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Old 2017-04-10, 16:56   #1
robert44444uk
 
robert44444uk's Avatar
 
Jun 2003
Oxford, UK

32×5×43 Posts
Default 4e18-5e18

I've set up this thread to aid the organisation of a co-ordinated search for prime gaps that can be found in the range 4e18 to 5e18. Results have been posted in this post and in post #3.

You may use any software/ programs that you have developed (or use those posted here) as long as you can be sure that it will pick up all gaps larger than 1344 in a range that you have reserved. If you use any code posted here, and find a record, you should ensure that the program author is credited.

Initially, the ranges that may be reserved were 1e15 in size as these took about 8 days to process. Subsequent improvements in the code by Robert Gerbicz have brought the processing time down to one day or less for a reasonable 4 core computer. Hence, wider ranges can be requested, but no larger than 2e16.

Results from ranges reserved should be posted on this thread. The data that should be reported is as follows:
  • The largest gap found and the smaller of the two primes that bound the gap
  • Details of any record gaps that were submitted to Dr Nicely's site

The latest code by Antonio (in Perl) is available at post #10 of this thread
The latest code by R.Gerbicz as amended by Antonio and Danaj (in c) and compiled versions of the code for Windows for various architectures are both available at post #207 of this thread. Linux builds are at post #241


The final result of the search from 4000e15 to 4500e15 is shown in the following table,where

A = start *e15
B = end *e15
C = responsible
D = status
E = records?
F = largest gap
G = start of largest gap

Code:
A	B	C            	D     	E  	F	G
						
4000	4001	danaj   	done	no	1134	4000914371538151549, 4000290197657690113 & 4000231921218303377
4001	4002	robert44444uk	done	no	1242	4001106035412758071
4002	4003	robert44444uk	done	no	1130	4002781894839853067
4003	4004	Antonio      	done	no	1130	4003724182598288207
4004	4005	robert44444uk	done	no	1204	4004129869379231287 & 4004826661325940613
4005	4006	robert44444uk	done	no	1232	4005966357285411731
4006	4007	robert44444uk	done	no	1260	4006252749264687617
4007	4008	Antonio      	done	no	1146	4007797898874423877
4008	4009	robert44444uk	done	no	1164	4008978263729678177
4009	4010	robert44444uk	done	no	1140	4009361561698185481 & 4009978533727659947
4010	4011	Antonio      	done	no	1170	4010996740169129693
4011	4012	Antonio      	done	no	1130	4011106495010044841
4012	4013	ET_        	done	no	1196	4012914149323655627
4013	4014	robert44444uk	done	no	1240	4013752763413123747
4014	4015	robert44444uk	done	no	1266	4014522226608098971
4015	4016	robert44444uk	done	no	1188	4015206096660768829
4016	4017	robert44444uk	done	no	1170	4016309155359484889
4017	4018	robert44444uk	done	no	1214	4017956268737366597
4018	4019	Antonio      	done	no	1158	4018825475871648881
4019	4020	Antonio      	done	no	1260	4019828327863219897
4020	4021	Antonio      	done	no	1128	4020702299664524741
4021	4022	Antonio      	done	no	1218	4021691331756893023
4022	4023	Antonio      	done	no	1214	4022854349746103717
4023	4024	Antonio      	done	no	1202	4023615777064934459
4024	4025	Antonio      	done	no	1242	4024200612991210559
4025	4026	robert44444uk	done	no	1208	4025583776431722119
4026	4027	robert44444uk	done	no	1212	4026469655650441421
4027	4028	robert44444uk	done	no	1176	4027693899770508757
4028	4029	robert44444uk	done	no	1174	4028038539589489363
4029	4030	robert44444uk	done	no	1172	4029272388524492027
4030	4031	robert44444uk	done	no	1150	4030270154334826837
4031	4032	robert44444uk	done	no	1166	4031142229474056251
4032	4033	robert44444uk	done	no	1210	4032500014455384187
4033	4034	robert44444uk	done	no	1188	4033575697554283711
4034	4035	robert44444uk	done	no	1168	4034823683309171983
4035	4036	ET_        	done	no	1210	4035571780099049857
4036	4037	ET_        	done	no	1216	4036856400981070267
4037	4038	robert44444uk	done	no	1152	4037090243599243577
4038	4039	robert44444uk	done	no	1282	4038714637688391187
4039	4040	robert44444uk	done	no	1240	4039649264655377341
4040	4041	robert44444uk	done	no	1200	4040628724760328037
4041	4042	robert44444uk	done	no	1122	4041611692870724507
4042	4043	robert44444uk	done	no	1136	4042076543740421213
4043	4044	robert44444uk	done	no	1156	4043708186618622427
4044	4045	robert44444uk	done	no	1306	4044506208038374597
4045	4046	robert44444uk	done	no	1170	4045630509511133827
4046	4047	robert44444uk	done	no	1128	4046849195504965799 & 4046481288649180253
4047	4048	robert44444uk	done	no	1260	4047841407534753811
4048	4049	robert44444uk	done	no	1188	4048490181444860051
4049	4050	robert44444uk	done	no	1148	4049021357890961831
4050	4051	robert44444uk	done	no	1172	4050220172716052627
4051	4052	robert44444uk	done	no	1274	4051526038603182527
4052	4053	robert44444uk	done	no	1260	4052059085828160227
4053	4054	robert44444uk	done	no	1292	4053867352647841601
4054	4055	robert44444uk	done	no	1254	4054194003778353503
4055	4056	robert44444uk	done	no	1174	4055488197330854047
4056	4057	robert44444uk	done	no	1154	4056436808875422107
4057	4058	robert44444uk	done	no	1264	4057178393908285753
4058	4059	robert44444uk	done	no	1230	4058015942758308941
4059	4060	robert44444uk	done	no	1262	4059183906153913127
4060	4061	robert44444uk	done	no	1222	4060852155432298777
4061	4062	robert44444uk	done	no	1220	4061783750035102601
4062	4063	robert44444uk	done	no	1260	4062495671010765011
4063	4064	robert44444uk	done	no	1230	4063504989834101857
4064	4065	robert44444uk	done	no	1178	4064564850217555391
4065	4066	robert44444uk	done	no	1208	4065338409116759681
4066	4067	robert44444uk	done	no	1170	4066055183541989111
4067	4068	robert44444uk	done	no	1170	4067475498056433313
4068	4069	robert44444uk	done	no	1228	4068642106516412179
4069	4070	robert44444uk	done	no	1194	4069157238863836967
4070	4071	ET_        	done	no	1166	4070929441813272767
4071	4072	ET_        	done	no	1238	4071050619569958131
4072	4073	robert44444uk	done	no	1258	4072283244362393341
4073	4074	robert44444uk	done	no	1186	4073506912871952463
4074	4075	robert44444uk	done	no	1194	4074693691048920469
4075	4076	robert44444uk	done	no	1170	4075481357583514607
4076	4077	robert44444uk	done	no	1164	4076890809806889533
4077	4078	robert44444uk	done	no	1238	4077712228247259179
4078	4079	robert44444uk	done	no	1238	4078994461583890769
4079	4080	robert44444uk	done	no	1206	4079568687951351163
4080	4081	ET_        	done	no	1204	4080282809562367489
4081	4082	ET_        	done	no	1260	4081275942131031923
4082	4083	mart_r    	done	no	1248	4082641899811979303
4083	4084	mart_r    	done	no	1182	4083971344409518049
4084	4085	mart_r    	done	no	1248	4084719360923671711
4085	4086	pinhodecarlos	done	no	1248	4085808231651439019
4086	4087	pinhodecarlos	done	no	1156	4086714734878723021
4087	4088	pinhodecarlos	done	no	1238	4087282037161085891
4088	4089	pinhodecarlos	done	no	1180	4088300813389886311
4089	4090	pinhodecarlos	done	no	1170	4089486935194295359
4090	4091	pinhodecarlos	done	no	1240	4090551867495942271
4091	4092	pinhodecarlos	done	no	1198	4091638039871078503
4092	4093	pinhodecarlos	done	no	1210	4092991843342632499
4093	4094	pinhodecarlos	done	no	1226	4093100239739762417
4094	4095	pinhodecarlos	done	no	1170	4094379598715950337
4095	4096	pinhodecarlos	done	no	1160	4095296294706157649
4096	4097	pinhodecarlos	done	no	1158	4096758630751112251
4097	4098	pinhodecarlos	done	no	1130	4097195536745555243
4098	4099	pinhodecarlos	done	no	1188	4098929488153764919
4099	4100	pinhodecarlos	done	no	1236	4099206945976088951
4100	4101	Thomas11	done	no	1316	4100289233352742853
4101	4102	Thomas11	done	no	1240	4101884474460871009
4102	4103	Thomas11	done	no	1196	4102788579186129221
4103	4104	Thomas11	done	no	1272	4103766703252942997
4104	4105	Thomas11	done	no	1180	4104036622052444179
4105	4106	Thomas11	done	no	1368	4105079953458040849
4106	4107	Thomas11	done	no	1146	4106946645995274173
4107	4108	Thomas11	done	no	1200	4107245350632264179
4108	4109	Thomas11	done	no	1170	4108039257340229681
4109	4110	Thomas11	done	no	1166	4109770652311286327
4110	4111	Thomas11	done	no	1224	4110055580245083607
4111	4112	Thomas11	done	no	1242	4111936973423085571
4112	4113	Thomas11	done	no	1160	4112230091217622889 & 4112543324814606491
4113	4114	Thomas11	done	no	1184	4113411490091357429
4114	4115	Thomas11	done	no	1128	4114347411742077793
4115	4116	Thomas11	done	no	1312	4115414959273652107
4116	4117	Thomas11	done	no	1146	4116524445850824251
4117	4118	Thomas11	done	no	1188	4117241781817280393
4118	4119	Thomas11	done	no	1288	4118712968997419029
4119	4120	Thomas11	done	no	1182	4119107397697202857 & 4119294379867804147
4120	4121	Thomas11	done	no	1184	4120645325151686399
4121	4122	Thomas11	done	no	1132	4121870875034219887
4122	4123	Thomas11	done	no	1158	4122169362334519289
4123	4124	Thomas11	done	no	1198	4123546475162899051
4124	4125	Thomas11	done	no	1232	4124185605651031841
4125	4126	Thomas11	done	no	1272	4125122609607710969
4126	4127	Thomas11	done	no	1228	4126658803888959103
4127	4128	Thomas11	done	no	1182	4127637032772779641
4128	4129	Thomas11	done	no	1160	4128883921231862789
4129	4130	Thomas11	done	no	1220	4129641359888933843
4130	4131	Thomas11	done	no	1236	4130149131094601113
4131	4132	Thomas11	done	no	1178	4131983606414366243
4132	4133	Thomas11	done	no	1252	4132321296601727707
4133	4134	Thomas11	done	no	1268	4133768580472197581
4134	4135	Thomas11	done	no	1180	4134342756975622069
4135	4136	Thomas11	done	no	1194	4135948685233934773
4136	4137	Thomas11	done	no	1322	4136179975357722581
4137	4138	Thomas11	done	no	1214	4137136145310653777
4138	4139	Thomas11	done	no	1152	4138265290485105667
4139	4140	Thomas11	done	no	1198	4139428867196431453
4140	4141	Thomas11	done	no	1188	4140288771981436523
4141	4142	Thomas11	done	no	1180	4141741431769588189
4142	4143	Thomas11	done	no	1158	4142154233980326133
4143	4144	Thomas11	done	no	1182	4143392430122499811
4144	4145	Thomas11	done	no	1158	4144775448109739393
4145	4146	Thomas11	done	no	1170	4145871850769936159
4146	4147	Thomas11	done	no	1146	4146776646388090901
4147	4148	Thomas11	done	no	1180	4147525189764161167
4148	4149	Thomas11	done	no	1218	4148499167567383901
4149	4150	Thomas11	done	no	1192	4149225469690253989
4150	4151	Thomas11	done	no	1158	4150394748491183369
4151	4152	Thomas11	done	no	1218	4151313332950925429
4152	4153	Thomas11	done	no	1290	4152046681574768953
4153	4154	Thomas11	done	no	1216	4153951701516973591
4154	4155	Thomas11	done	no	1230	4154425229925611567
4155	4156	Thomas11	done	no	1176	4155730081231180301
4156	4157	Thomas11	done	no	1266	4156949040055701041
4157	4158	Thomas11	done	no	1158	4157420831749175101
4158	4159	Thomas11	done	no	1140	4158695464181782219
4159	4160	Thomas11	done	no	1210	4159212921946842871
4160	4161	Thomas11	done	no	1142	4160855564170607801
4161	4162	Thomas11	done	no	1380	4161256227746743067
4162	4163	Thomas11	done	no	1188	4162650991648045261
4163	4164	Thomas11	done	no	1140	4163851461415885439
4164	4165	Thomas11	done	no	1204	4164005813345056153
4165	4166	Thomas11	done	no	1202	4165268264997138737
4166	4167	Thomas11	done	no	1132	4166895731083193611
4167	4168	Thomas11	done	no	1200	4167562342954892237
4168	4169	Thomas11	done	no	1200	4168914553292110091
4169	4170	Thomas11	done	no	1126	4169922460669612393
4170	4171	Thomas11	done	no	1234	4170143483650450639
4171	4172	Thomas11	done	no	1110	4171138343914429271, 4171422212516359189, 4171664786200787539 & 4171829679529702439
4172	4173	Thomas11	done	no	1164	4172197999825460237
4173	4174	Thomas11	done	no	1128	4173639284611610651
4174	4175	Thomas11	done	no	1258	4174306654709908819
4175	4176	Thomas11	done	no	1210	4175204195980722601
4176	4177	Thomas11	done	no	1198	4176861996398448109
4177	4178	Thomas11	done	no	1186	4177103332458339433
4178	4179	Thomas11	done	no	1162	4178086739677893811
4179	4180	Thomas11	done	no	1158	4179953031572088851
4180	4181	Thomas11	done	no	1236	4180772784476386531
4181	4182	Thomas11	done	no	1140	4181755713688388989
4182	4183	Thomas11	done	no	1188	4182100541518529999
4183	4184	Thomas11	done	no	1220	4183066986699910637
4184	4185	Thomas11	done	no	1182	4184105947076030317
4185	4186	Thomas11	done	no	1140	4185221968738606721
4186	4187	Thomas11	done	no	1234	4186935144258909583
4187	4188	Thomas11	done	no	1140	4187053848896995261
4188	4189	Thomas11	done	no	1196	4188112887548189927
4189	4190	Thomas11	done	no	1238	4189208379676421609
4190	4191	Thomas11	done	no	1248	4190594469897518143
4191	4192	Thomas11	done	no	1178	4191718705578065759
4192	4193	Thomas11	done	no	1170	4192792837363597297
4193	4194	Thomas11	done	no	1184	4193061283696301363
4194	4195	Thomas11	done	no	1188	4194797531040686093
4195	4196	Thomas11	done	no	1224	4195035377750178967
4196	4197	Thomas11	done	no	1194	4196984610243549073
4197	4198	Thomas11	done	no	1224	4197007075420580873
4198	4199	Thomas11	done	no	1284	4198807155367628303
4199	4200	Thomas11	done	no	1164	4199307726979273439
4200	4201	Antonio      	done	no	1134	4200104227484451619 & 4200545179471272119
4201	4202	Antonio      	done	no	1122	4201353779928646819
4202	4203	Antonio      	done	no	1160	4202032600494490523
4203	4204	Antonio      	done	no	1320	4203690608946500057
4204	4205	Antonio      	done	no	1280	4204930368915555113
4205	4206	Antonio      	done	no	1238	4205414610539998103
4206	4207	Antonio      	done	no	1188	4206419104174046869
4207	4208	Antonio      	done	no	1266	4207354960418647733
4208	4209	Antonio      	done	no	1212	4208636853184986749
4209	4210	Antonio      	done	no	1198	4209523012084174909
4210	4211	Antonio      	done	no	1176	4210279718438929981
4211	4212	Antonio      	done	no	1212	4211308991831021999
4212	4213	Antonio      	done	no	1224	4212891798760396469
4213	4214	Antonio      	done	no	1224	4213835242980370009
4214	4215	Antonio      	done	no	1212	4214607784623404249
4215	4216	Antonio      	done	no	1184	4215348541272003419
4216	4217	Antonio      	done	no	1176	4216415379215364287
4217	4218	Antonio      	done	no	1152	4217090183575843837
4218	4219	Antonio      	done	no	1184	4218337438815221723
4219	4220	Antonio      	done	no	1372	4219088970046367161
4220	4221	Antonio      	done	no	1184	4220838055436693423
4221	4222	Antonio      	done	no	1210	4221700962773095519
4222	4223	Antonio      	done	no	1208	4222726409250843239
4223	4224	Antonio      	done	no	1362	4223823832453807411
4224	4225	Antonio      	done	no	1164	4224425843133096203
4225	4226	Antonio      	done	no	1170	4225053926112164489
4226	4227	Antonio      	done	no	1170	4226876073947427001
4227	4228	Antonio      	done	no	1158	4227441194988936049
4228	4229	Antonio      	done	no	1148	4228014196181461013
4229	4230	Antonio      	done	no	1140	4229625594916483039 & 4229738216976172319
4230	4231	Antonio      	done	no	1192	4230717626818391281
4231	4232	Antonio      	done	no	1200	4231004501160759401
4232	4233	Antonio      	done	no	1218	4232569211993116991
4233	4234	Antonio      	done	no	1260	4233986888851096361
4234	4235	Antonio      	done	no	1152	4234273495969655681
4235	4236	Antonio      	done	no	1176	4235854666415254901
4236	4237	Antonio      	done	no	1256	4236530985657770621
4237	4238	Antonio      	done	no	1330	4237481575697381743
4238	4239	Antonio      	done	no	1306	4238963932934785987
4239	4240	Antonio      	done	no	1194	4239006098440446269
4240	4241	Antonio      	done	no	1220	4240724612258930333
4241	4242	Antonio      	done	no	1258	4241565046295047843
4242	4243	Antonio      	done	no	1200	4242350489749598393
4243	4244	Antonio      	done	no	1210	4243542148062955873
4244	4245	Antonio      	done	no	1212	4244016190180732571
4245	4246	Antonio      	done	no	1232	4245596174022128729
4246	4247	Antonio      	done	no	1154	4246928654002220909
4247	4248	Antonio      	done	no	1202	4247784753700833959
4248	4249	Antonio      	done	no	1216	4248846271434283567
4249	4250	Antonio      	done	no	1178	4249275472371528089
4250	4251	Antonio      	done	no	1240	4250414410870158841
4251	4252	Antonio      	done	no	1200	4251337919737544803
4252	4253	Antonio      	done	no	1220	4252743030295287839
4253	4254	Antonio      	done	no	1440	4253027105513399527
4254	4255	Antonio      	done	no	1176	4254560683884506581
4255	4256	Antonio      	done	no	1158	4255392859187160013
4256	4257	Antonio      	done	no	1216	4256659918861186381
4257	4258	Antonio      	done	no	1242	4257232678730035271
4258	4259	Antonio      	done	no	1186	4258149732507664927
4259	4260	Antonio      	done	no	1200	4259355967821041467
4260	4261	Antonio      	done	no	1136	4260173086628254361
4261	4262	Antonio      	done	no	1204	4261502609890972783
4262	4263	Antonio      	done	no	1232	4262045084255083679
4263	4264	Antonio      	done	no	1226	4263188508680031677
4264	4265	Antonio      	done	no	1270	4264032049883540521
4265	4266	Antonio      	done	no	1260	4265563233250496249
4266	4267	Antonio      	done	no	1170	4266748134755250719
4267	4268	Antonio      	done	no	1230	4267533068757473569
4268	4269	Antonio      	done	no	1216	4268651796716628151
4269	4270	Antonio      	done	no	1180	4269718957987691581
4270	4271	Antonio      	done	no	1232	4270321011108370661
4271	4272	Antonio      	done	no	1194	4271166702504691967
4272	4273	Antonio      	done	no	1278	4272523773842412013
4273	4274	Antonio      	done	no	1234	4273509820062731299
4274	4275	Antonio      	done	no	1212	4274923696334737709
4275	4276	Antonio      	done	no	1210	4275855383697861949
4276	4277	Antonio      	done	no	1232	4276939698682077719
4277	4278	Antonio      	done	no	1264	4277010291958424143
4278	4279	Antonio      	done	no	1142	4278811203611198549
4279	4280	Antonio      	done	no	1288	4279980485715230899
4280	4281	Antonio      	done	no	1278	4280120322643851781
4281	4282	Antonio      	done	no	1230	4281727960933875437
4282	4283	Antonio      	done	no	1198	4282717528358462959
4283	4284	Antonio      	done	no	1204	4283650873990671289
4284	4285	Antonio      	done	no	1158	4284689210544390523
4285	4286	Antonio      	done	no	1200	4285926639789943867
4286	4287	Antonio      	done	no	1110	4286405708090045699 & 4286826307449112463
4287	4288	Antonio      	done	no	1198	4287652227904614601
4288	4289	Antonio      	done	no	1176	4288453396401341977
4289	4290	Antonio      	done	no	1254	4289835634738455163
4290	4291	Antonio      	done	no	1146	4290790623360384391
4291	4292	Antonio      	done	no	1206	4291973716213230877
4292	4293	Antonio      	done	no	1240	4292762725104496477
4293	4294	Antonio      	done	no	1194	4293752836757256683
4294	4295	Antonio      	done	no	1144	4294660188655266439
4295	4296	Antonio      	done	no	1166	4295513389087089131
4296	4297	Antonio      	done	no	1246	4296709203595652707
4297	4298	Antonio      	done	no	1176	4297577208368072257
4298	4299	Antonio      	done	no	1208	4298318971757519171
4299	4300	Antonio      	done	no	1278	4299116008248102829 & 4299266496019355659
4300	4301	danaj   	done	no	1302	4300298859978996599
4301	4302	danaj   	done	no	1196	4301684740656457727
4302	4303	danaj   	done	no	1244	4302532905425635163
4303	4304	danaj   	done	no	1230	4303094990681601617
4304	4305	danaj   	done	no	1196	4304311094522772581
4305	4306	danaj   	done	no	1144	4305876110720265943
4306	4307	danaj   	done	no	1098	4306985468075926151
4307	4308	danaj   	done	no	1192	4307172395137859029
4308	4309	danaj   	done	no	1130	4308061210622653937
4309	4310	danaj   	done	no	1158	4309063017285099109
4310	4311	danaj   	done	no	1296	4310392488711802277
4311	4312	danaj   	done	no	1216	4311572587422479473
4312	4313	danaj   	done	no	1162	4312112623946107297
4313	4314	danaj   	done	no	1178	4313673944752857023
4314	4315	danaj   	done	no	1152	4314205149899941501
4315	4316	danaj   	done	no	1248	4315568951161915633
4316	4317	danaj   	done	no	1282	4316655789130205959
4317	4318	danaj   	done	no	1122	4317041766613910107
4318	4319	danaj   	done	no	1110	4318305026129124263
4319	4320	danaj   	done	no	1144	4319426549497873543
4320	4321	danaj   	done	no	1186	4320041154238280917
4321	4322	danaj   	done	no	1182	4321206673274467849
4322	4323	danaj   	done	no	1386	4322110169397191503
4323	4324	danaj   	done	no	1128	4323733108508155801
4324	4325	danaj   	done	no	1204	4324588344138003703
4325	4326	danaj   	done	no	1170	4325698804769781239
4326	4327	danaj   	done	no	1184	4326608702406417137
4327	4328	danaj   	done	no	1238	4327849301232078719
4328	4329	danaj   	done	no	1188	4328801625522119509
4329	4330	danaj   	done	no	1206	4329288027866720293
4330	4331	danaj   	done	no	1172	4330243068836236907
4331	4332	danaj   	done	no	1292	4331821171510998059
4332	4333	danaj   	done	no	1248	4332698691867092873
4333	4334	danaj   	done	no	1182	4333183447953107719
4334	4335	danaj   	done	no	1194	4334670106243976567
4335	4336	danaj   	done	no	1206	4335728956930837957
4336	4337	danaj   	done	no	1176	4336079374549254803
4337	4338	danaj   	done	no	1292	4337046723971587607
4338	4339	danaj   	done	no	1236	4338927501944725153
4339	4340	danaj   	done	no	1170	4339107401978948803 & 4339450199177065759
4340	4341	danaj   	done	no	1188	4340839152683377501
4341	4342	danaj   	done	no	1250	4341964307983152029
4342	4343	danaj   	done	no	1262	4342755993638046011
4343	4344	danaj   	done	no	1124	4343224388098073759
4344	4345	danaj   	done	no	1212	4344657499619679377
4345	4346	danaj   	done	no	1176	4345151645952766021
4346	4347	danaj   	done	no	1140	4346159859413893231 & 4346471748944179511
4347	4348	danaj   	done	no	1182	4347087529225714747
4348	4349	danaj   	done	no	1250	4348501356323988011
4349	4350	danaj   	done	no	1196	4349476920722076167
4350	4351	danaj   	done	no	1166	4350578591384346047
4351	4352	danaj   	done	no	1176	4351340133079315963
4352	4353	danaj   	done	no	1200	4352025169464107467
4353	4354	danaj   	done	no	1192	4353676997365324357
4354	4355	danaj   	done	no	1250	4354577768136469103
4355	4356	danaj   	done	no	1174	4355409475918397359
4356	4357	danaj   	done	no	1164	4356899502420989323
4357	4358	danaj   	done	no	1240	4357432875524757313
4358	4359	danaj   	done	no	1134	4358390252471933989
4359	4360	danaj   	done	no	1174	4359590637482066557
4360	4361	danaj   	done	no	1288	4360853005594064521
4361	4362	danaj   	done	no	1234	4361212905138995149
4362	4363	danaj   	done	no	1204	4362553568495000779
4363	4364	danaj   	done	no	1322	4363420864904050949
4364	4365	danaj   	done	no	1152	4364256799856560667
4365	4366	danaj   	done	no	1164	4365308512012798157
4366	4367	danaj   	done	no	1230	4366435242073202959
4367	4368	danaj   	done	no	1274	4367697795904387739
4368	4369	danaj   	done	no	1274	4368936426710892677
4369	4370	danaj   	done	no	1172	4369314765315317057
4370	4371	danaj   	done	no	1134	4370591289663137323
4371	4372	danaj   	done	no	1160	4371040678672435421
4372	4373	danaj   	done	no	1188	4372099246510836391
4373	4374	danaj   	done	no	1148	4373639480770244441
4374	4375	danaj   	done	no	1276	4374487700076690613
4375	4376	danaj   	done	no	1262	4375849259222397431
4376	4377	danaj   	done	no	1160	4376471937562159247
4377	4378	danaj   	done	no	1238	4377684208761591311
4378	4379	danaj   	done	no	1312	4378936982851756447
4379	4380	danaj   	done	no	1140	4379032394460339067
4380	4381	danaj   	done	no	1192	4380848277882818851
4381	4382	danaj   	done	no	1218	4381720761763867471
4382	4383	danaj   	done	no	1228	4382655751806774349
4383	4384	danaj   	done	no	1164	4383631792883086397
4384	4385	danaj   	done	no	1180	4384508388770337133
4385	4386	danaj   	done	no	1238	4385697628470679061
4386	4387	danaj   	done	no	1106	4386984348511126223
4387	4388	danaj   	done	no	1156	4387597376568934237
4388	4389	danaj   	done	no	1150	4388906127633259807
4389	4390	danaj   	done	no	1178	4389068674138776263
4390	4391	danaj   	done	no	1134	4390396595714261683
4391	4392	danaj   	done	no	1238	4391322881691896819
4392	4393	danaj   	done	no	1200	4392228319091060027
4393	4394	danaj   	done	no	1290	4393546229501558663
4394	4395	danaj   	done	no	1158	4394582253903230269
4395	4396	danaj   	done	no	1182	4395331310623261829
4396	4397	danaj   	done	no	1146	4396523055533069171
4397	4398	danaj   	done	no	1218	4397462992761021401
4398	4399	danaj   	done	no	1158	4398607030709882591
4399	4400	danaj   	done	no	1134	4399900267756933447
4400	4401	Thomas11	done	no	1170	4400590877408154797
4401	4402	Thomas11	done	no	1270	4401169548456297013
4402	4403	Thomas11	done	no	1284	4402195023349518107
4403	4404	Thomas11	done	no	1246	4403177805154279381
4404	4405	Thomas11	done	no	1240	4404677506719658057
4405	4406	Thomas11	done	no	1194	4405441151948626199
4406	4407	Thomas11	done	no	1220	4406918130360849251
4407	4408	Thomas11	done	no	1226	4407573986825334197
4408	4409	Thomas11	done	no	1206	4408382343218114461
4409	4410	Thomas11	done	no	1216	4409198449671554377
4410	4411	Thomas11	done	no	1236	4410128630599679681
4411	4412	Thomas11	done	no	1150	4411489680407675797
4412	4413	Thomas11	done	no	1182	4412644078601061449
4413	4414	Thomas11	done	no	1178	4413077442802942853
4414	4415	Thomas11	done	no	1218	4414278965637610703
4415	4416	Thomas11	done	no	1186	4415777808837014857
4416	4417	Thomas11	done	no	1206	4416099123281419801
4417	4418	Thomas11	done	no	1190	4417596793112402609
4418	4419	Thomas11	done	no	1204	4418453183868432637
4419	4420	Thomas11	done	no	1226	4419842102532683663
4420	4421	Thomas11	done	no	1166	4420828204654201481
4421	4422	Thomas11	done	no	1202	4421832749812074659
4422	4423	Thomas11	done	no	1222	4422720249799515847
4423	4424	Thomas11	done	no	1186	4423739730602012551
4424	4425	Thomas11	done	no	1176	4424676744021129293
4425	4426	Thomas11	done	no	1166	4425122044108735397
4426	4427	Thomas11	done	no	1182	4426129346919358181
4427	4428	Thomas11	done	no	1130	4427205893063894351
4428	4429	Thomas11	done	no	1170	4428653260395029587
4429	4430	Thomas11	done	no	1276	4429665165996500263
4430	4431	Thomas11	done	no	1168	4430467413476794741
4431	4432	Thomas11	done	no	1146	4431307050959415043
4432	4433	Thomas11	done	no	1198	4432833379121986099
4433	4434	Thomas11	done	no	1170	4433034809327640821
4434	4435	Thomas11	done	no	1194	4434570644851597597
4435	4436	Thomas11	done	no	1204	4435377000334071487
4436	4437	Thomas11	done	no	1248	4436301620447605943
4437	4438	Thomas11	done	no	1176	4437456905796639533
4438	4439	Thomas11	done	no	1160	4438949043917226569
4439	4440	Thomas11	done	no	1160	4439767907097854687
4440	4441	Thomas11	done	no	1164	4440151620301390349
4441	4442	Thomas11	done	no	1230	4441279165999486793
4442	4443	Thomas11	done	no	1166	4442455555473994427
4443	4444	Thomas11	done	no	1206	4443502109937953353
4444	4445	Thomas11	done	no	1230	4444772642924059153
4445	4446	Thomas11	done	no	1174	4445811895375902817
4446	4447	Thomas11	done	no	1170	4446083452145482471
4447	4448	Thomas11	done	no	1196	4447554596877672521
4448	4449	Thomas11	done	no	1200	4448793056732827181
4449	4450	Thomas11	done	no	1226	4449778660330604213
4450	4451	Thomas11	done	no	1182	4450199511741449647
4451	4452	Thomas11	done	no	1158	4451411506956888283
4452	4453	Thomas11	done	no	1134	4452107856330381613
4453	4454	Thomas11	done	no	1258	4453532635053414433
4454	4455	Thomas11	done	no	1226	4454995798455047501
4455	4456	Thomas11	done	no	1260	4455993109599266813
4456	4457	Thomas11	done	no	1190	4456951197670068407
4457	4458	Thomas11	done	no	1362	4457902027708963871
4458	4459	Thomas11	done	no	1136	4458434009126891411
4459	4460	Thomas11	done	no	1352	4459397360427487997
4460	4461	Thomas11	done	no	1194	4460939248805593903
4461	4462	Thomas11	done	no	1266	4461533673280374683
4462	4463	Thomas11	done	no	1208	4462055757661996253
4463	4464	Thomas11	done	no	1180	4463110490979190447
4464	4465	Thomas11	done	no	1200	4464926444767687201
4465	4466	Thomas11	done	no	1210	4465584255001125211
4466	4467	Thomas11	done	no	1242	4466578429343770099
4467	4468	Thomas11	done	no	1148	4467080161152742421
4468	4469	Thomas11	done	no	1176	4468611385132361993
4469	4470	Thomas11	done	no	1180	4469814401796862717
4470	4471	pinhodecarlos	done	no	1248	4470994750492901941
4471	4472	pinhodecarlos	done	no	1284	4471708725203380429
4472	4473	pinhodecarlos	done	no	1206	4472766027294492133
4473	4474	pinhodecarlos	done	no	1298	4473136567503176021
4474	4475	pinhodecarlos	done	no	1150	4474667821781914297
4475	4476	pinhodecarlos	done	no	1198	4475105371866053803
4476	4477	pinhodecarlos	done	no	1200	4476297675121303849
4477	4478	pinhodecarlos	done	no	1240	4477070545548631399
4478	4479	pinhodecarlos	done	no	1174	4478502245005775263
4479	4480	pinhodecarlos	done	no	1302	4479305114665998697
4480	4481	pinhodecarlos	done	no	1350	4480897278955294741
4481	4482	pinhodecarlos	done	no	1196	4481866601033543237
4482	4483	pinhodecarlos	done	no	1164	4482723726674263099
4483	4484	pinhodecarlos	done	no	1182	4483904229955568959
4484	4485	pinhodecarlos	done	no	1164	4484039943097241537
4485	4486	pinhodecarlos	done	no	1208	4485745238020261571
4486	4487	pinhodecarlos	done	no	1248	4486902561606446591
4487	4488	pinhodecarlos	done	no	1152	4487743713478160657
4488	4489	pinhodecarlos	done	no	1210	4488515496773713219
4489	4490	pinhodecarlos	done	no	1230	4489732573601404289
4490	4491	pinhodecarlos	done	no	1190	4490685023878439027
4491	4492	pinhodecarlos	done	no	1254	4491399001557250319
4492	4493	pinhodecarlos	done	no	1174	4492048637648667079
4493	4494	pinhodecarlos	done	no	1206	4493851840551540413
4494	4495	pinhodecarlos	done	no	1230	4494412146180361751
4495	4496	pinhodecarlos	done	no	1182	4495015673100810997
4496	4497	pinhodecarlos	done	no	1190	4496739251663585279
4497	4498	pinhodecarlos	done	no	1260	4497120621532276471
4498	4499	pinhodecarlos	done	no	1204	4498613655286488319
4499	4500	pinhodecarlos	done	no	1126	4499344441748290831
The range from 4000e15 to 4500e15 was completed on 5 July 2017. No records were found, although 4 previously discovered gaps were confirmed as first instance gaps. These are highlighted in the table above in red.

Last fiddled with by robert44444uk on 2017-07-18 at 06:07
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Old 2017-04-10, 17:02   #2
robert44444uk
 
robert44444uk's Avatar
 
Jun 2003
Oxford, UK

32·5·43 Posts
Default

For those who are using perl, the following code will pick up all gaps >=1000.

Variables are in the first part of the code, and should be adjusted according to taste and ambition. $jumper and $beg must be declared as even integers.

The $jumper variable is used to speed up the code. Instead of checking every gap, it will jump, in this case, 850 at each iteration and search forward for gaps of 150 or more. If it finds one, it will check back to find the previous prime.

Code:
#!/usr/bin/env perl
use warnings;
use strict;
use threads;
use threads::shared;

use Math::GMPz;
use Math::BigFloat lib=>"GMP";
use Math::Prime::Util qw/:all/;
$|=1;

my $nthreads = 7;
my $beg = shift || 4_001_000_000_000_000_000;
my $end = shift || 4_002_000_000_000_000_000;
my $jumper = 850;
my $mingap = 1000;  
my @results :shared;

my $start = time;

  
  my @threads;
  push @threads, threads->create('searchi', $_,$jumper,$mingap,$start) for 0 .. $nthreads-1;
  $_->join() for (@threads);

  while (@results) {
    print shift(@results);
  }

sub searchi {

  my($tnum,$sn,$nth) = @_;
  my $index = $tnum;
  while (1) {
    if ($tnum == 0 && @results) {
      lock(@results);
      while (@results) {
        print shift(@results);
      }
    }
    my $i = $beg+($index*$jumper);
    $index += $nthreads;
    last if $i > $end;
    my $n = $i;
    my $forwardlook = $mingap-$jumper;  
    my $dprev = prev_prime($n);
    my $dnext = next_prime($n);
  next unless $dnext>$n+$forwardlook;
    my $gap = $dnext-$dprev;
  next unless $gap >= $mingap;             
    my $littleprim = $n-$dprev;	
   
    {
      lock(@results);
      my $duration = time - $start;
      push @results, sprintf("%d %d %d\n", $gap, $dprev, $duration);
    }
  }
  1;
}
Attached Files
File Type: zip for mersenneforum.zip (731 Bytes, 160 views)

Last fiddled with by robert44444uk on 2017-04-11 at 06:43 Reason: Must choose an even $jumper and $beg
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Old 2017-04-10, 17:05   #3
robert44444uk
 
robert44444uk's Avatar
 
Jun 2003
Oxford, UK

32×5×43 Posts
Default

Here are the results for 4500e15 to 5000e15:

A = start *e15
B = end *e15
C = responsible
D = status
E = records?
F = largest gap
G = start of largest gap

Code:
				
A	B	C            	D     	E  	F	G
						
4500	4501	Scole250	done	no	1148	4500963635209128839
4501	4502	Scole250	done	no	1222	4501581455850349147
4502	4503	Scole250	done	no	1172	4502492046147446861
4503	4504	Scole250	done	no	1230	4503194250006272591
4504	4505	Scole250	done	no	1278	4504277971830869929
4505	4506	Scole250	done	no	1214	4505838834179183339
4506	4507	Scole250	done	no	1210	4506082717652012851
4507	4508	Scole250	done	no	1198	4507290479822650321
4508	4509	Scole250	done	no	1158	4508335458165001973
4509	4510	Scole250	done	no	1212	4509693496632181489 & 4509198642954187757
4510	4511	henryzz  	done	no	1150	4510551287433857893
4511	4512	henryzz  	done	no	1142	4511792922075642737 & 4512712221084984239
4512	4513	henryzz  	done	no	1188	4512065311767460151
4513	4514	henryzz  	done	no	1166	4513647056235171623
4514	4515	henryzz  	done	no	1202	4514811174055686377
4515	4516	henryzz  	done	no	1144	4515725187106195939
4516	4517	henryzz  	done	no	1144	4516217022669760453
4517	4518	henryzz  	done	no	1198	4517693298169229719
4518	4519	henryzz  	done	no	1440	4518716935346252383
4519	4520	henryzz  	done	no	1260	4519491396249245477
4520	4521	danaj   	done	no	1236	4520161308162038543
4521	4522	danaj   	done	no	1168	4521931445101266793
4522	4523	danaj   	done	no	1200	4522878315833309833
4523	4524	danaj   	done	no	1174	4523858918206848589
4524	4525	danaj   	done	no	1198	4524511967895143821
4525	4526	danaj   	done	no	1220	4525917618081603179
4526	4527	danaj   	done	no	1282	4526506033552675681
4527	4528	danaj   	done	no	1174	4527039465093553579
4528	4529	danaj   	done	no	1252	4528111762651342051
4529	4530	danaj   	done	no	1230	4529815427708582239
4530	4531	danaj   	done	no	1174	4530952547738682187
4531	4532	danaj   	done	no	1208	4531134592129805591
4532	4533	danaj   	done	no	1274	4532030725385455709
4533	4534	danaj   	done	no	1140	4533051912847965341
4534	4535	danaj   	done	no	1250	4534172933734324157
4535	4536	danaj   	done	no	1286	4535027367371670527
4536	4537	danaj   	done	no	1180	4536771017429390923
4537	4538	danaj   	done	no	1200	4537872971147222159
4538	4539	danaj   	done	no	1218	4538364725491426759
4539	4540	danaj   	done	no	1176	4539342989200403851
4540	4541	ldesnogu	done	no	1216	4540814097792317827
4541	4542	ldesnogu	done	no	1156	4541865967262424571
4542	4543	ldesnogu	done	no	1154	4542293263374035843
4543	4544	ldesnogu	done	no	1292	4543949541317727059
4544	4545	ldesnogu	done	no	1336	4544946810033612391
4545	4546	ldesnogu	done	no	1142	4545089953679497709 & 4545213879648217277 
4546	4547	ldesnogu	done	no	1202	4545629979832722149
4547	4548	ldesnogu	done	no	1218	4547392711135955011
4548	4549	ldesnogu	done	no	1128	4548847562271229031
4549	4550	ldesnogu	done	no	1220	4549723888376523557
4550	4551	ldesnogu	done	no	1192	4550735010504847387
4551	4552	ldesnogu	done	no	1308	4551036979383712241
4552	4553	ldesnogu	done	no	1188	4552654828275926279
4553	4554	ldesnogu	done	no	1158	4553410209677631443
4554	4555	ldesnogu	done	no	1288	4554398299249588969
4555	4556	ldesnogu	done	no	1200	4555976635003098737
4556	4557	ldesnogu	done	no	1200	4556054392177566643
4557	4558	ldesnogu	done	no	1138	4557638896596520069
4558	4559	ldesnogu	done	no	1118	4558767921713953529
4559	4560	ldesnogu	done	no	1122	4559206503905302927
4560	4561	Thomas11	done	no	1196	4560276524109981611
4561	4562	Thomas11	done	no	1142	4561004344199557559
4562	4563	Thomas11	done	no	1168	4562386901088265633
4563	4564	Thomas11	done	no	1242	4563185164350735089
4564	4565	Thomas11	done	no	1326	4564484208564442021
4565	4566	Thomas11	done	no	1224	4565140829038294237
4566	4567	Thomas11	done	no	1158	4566463902921170479
4567	4568	Thomas11	done	no	1200	4567778756264118323
4568	4569	Thomas11	done	no	1150	4568071061427201847
4569	4570	Thomas11	done	no	1230	4569014126789042201
4570	4571	Thomas11	done	no	1216	4570158298167161431
4571	4572	Thomas11	done	no	1144	4571163988623794539
4572	4573	Thomas11	done	no	1152	4572501680856860081
4573	4574	Thomas11	done	no	1200	4573792495557433549
4574	4575	Thomas11	done	no	1138	4574737930810516009
4575	4576	Thomas11	done	no	1162	4575929858833453459
4576	4577	Thomas11	done	no	1178	4576830293876684759
4577	4578	Thomas11	done	no	1208	4577529324482537873
4578	4579	Thomas11	done	no	1210	4578042770111105089
4579	4580	Thomas11	done	no	1210	4579045609668481891
4580	4581	Thomas11	done	no	1236	4580004190163725703
4581	4582	Thomas11	done	no	1194	4581127351923798479
4582	4583	Thomas11	done	no	1218	4582794353103422179
4583	4584	Thomas11	done	no	1214	4583263715681536913
4584	4585	Thomas11	done	no	1170	4584779156263856831
4585	4586	Thomas11	done	no	1152	4585841611703209639
4586	4587	Thomas11	done	no	1246	4586589820950683827
4587	4588	Thomas11	done	no	1150	4587409949653703113 & 4587822569709311299
4588	4589	Thomas11	done	no	1200	4588278529210387667
4589	4590	Thomas11	done	no	1128	4589624940904024771
4590	4591	Thomas11	done	no	1216	4590577036861622167
4591	4592	Thomas11	done	no	1192	4591366658493933667
4592	4593	Thomas11	done	no	1202	4592647409505301427
4593	4594	Thomas11	done	no	1172	4593743005633181951
4594	4595	Thomas11	done	no	1260	4594036576215102481
4595	4596	Thomas11	done	no	1192	4595970465918769687
4596	4597	Thomas11	done	no	1176	4596411064804668481
4597	4598	Thomas11	done	no	1150	4597927826098221079
4598	4599	Thomas11	done	no	1250	4598793524149061147
4599	4600	Thomas11	done	no	1198	4599697562643496531
4600	4601	robert44444uk	done	no	1292	4600047853267882349
4601	4602	robert44444uk	done	no	1202	4601694416273547617
4602	4603	robert44444uk	done	no	1262	4602516665039101937
4603	4604	robert44444uk	done	no	1320	4603114558016214631
4604	4605	robert44444uk	done	no	1252	4604651964373376947
4605	4606	robert44444uk	done	no	1170	4605787319270403407
4606	4607	robert44444uk	done	no	1430	4606937813294064947
4607	4608	robert44444uk	done	no	1200	4607171478051675149
4608	4609	robert44444uk	done	no	1324	4608127458795887833
4609	4610	robert44444uk	done	no	1280	4609739438630358491
4610	4611	robert44444uk	done	no	1144	4610243896513481689
4611	4612	robert44444uk	done	no	1200	4611828819881102371
4612	4613	robert44444uk	done	no	1214	4612162084081862759
4613	4614	robert44444uk	done	no	1170	4613126755466068129
4614	4615	robert44444uk	done	no	1256	4614257778074625851
4615	4616	robert44444uk	done	no	1198	4615667556589002019
4616	4617	robert44444uk	done	no	1196	4616435624034528167
4617	4618	robert44444uk	done	no	1160	4617044023735713833
4618	4619	robert44444uk	done	no	1166	4618618072606996187
4619	4620	robert44444uk	done	no	1158	4619192344018776611
4620	4621	robert44444uk	done	no	1256	4620986797930439621
4621	4622	robert44444uk	done	no	1332	4621249861055345179
4622	4623	robert44444uk	done	no	1150	4622684672789930881
4623	4624	robert44444uk	done	no	1188	4623919817379838769
4624	4625	robert44444uk	done	no	1218	4624013966216867021
4625	4626	robert44444uk	done	no	1198	4625774812558458619
4626	4627	robert44444uk	done	no	1204	4626042407508763993
4627	4628	robert44444uk	done	no	1198	4627508506896873943
4628	4629	robert44444uk	done	no	1292	4628212346275298957
4629	4630	robert44444uk	done	no	1250	4629410952798502007
4630	4631	robert44444uk	done	no	1222	4630718083430294917
4631	4632	robert44444uk	done	no	1170	4631159015135300161
4632	4633	robert44444uk	done	no	1164	4632766312162880699
4633	4634	robert44444uk	done	no	1172	4633137263751037799
4634	4635	robert44444uk	done	no	1186	4634885409298069021
4635	4636	robert44444uk	done	no	1170	4635428310682114391
4636	4637	robert44444uk	done	no	1136	4636950847038992717
4637	4638	robert44444uk	done	no	1226	4637304957168740501
4638	4639	robert44444uk	done	no	1168	4638601569985897021
4639	4640	robert44444uk	done	no	1190	4639635017934299231
4640	4641	robert44444uk	done	no	1168	4640481343346725741
4641	4642	robert44444uk	done	no	1148	4641204514344234761 & 4641652942775952269
4642	4643	robert44444uk	done	no	1170	4642281775512567167
4643	4644	robert44444uk	done	no	1154	4643138371419839969
4644	4645	robert44444uk	done	no	1200	4644358989675574933
4645	4646	robert44444uk	done	no	1198	4645637923200591943
4646	4647	robert44444uk	done	no	1346	4646044042396639877
4647	4648	robert44444uk	done	no	1230	4648774471536736843
4648	4649	robert44444uk	done	no	1170	4647204492475994759
4649	4650	robert44444uk	done	no	1284	4649868112518280123
4650	4651	robert44444uk	done	no	1206	4650128122265144381
4651	4652	robert44444uk	done	no	1140	4651674917619961871 & 4651368836721701903
4652	4653	robert44444uk	done	no	1238	4652222807549458181
4653	4654	robert44444uk	done	no	1210	4653111329491619791
4654	4655	robert44444uk	done	no	1232	4654199016587264357
4655	4656	mart_r    	done	no	1208	4655399409369382823
4656	4657	mart_r    	done	no	1180	4656557461960836391
4657	4658	mart_r    	done	no	1188	4657229156090156209
4658	4659	mart_r    	done	no	1168	4658627061632884339
4659	4660	mart_r    	done	no	1128	4659979479075802159
4660	4661	mart_r    	done	no	1216	4660114147717559593
4661	4662	mart_r    	done	no	1146	4661408643516962807
4662	4663	mart_r    	done	no	1278	4662694287680471243
4663	4664	mart_r    	done	no	1230	4663386766126882483
4664	4665	mart_r    	done	no	1272	4664821919193213229
4665	4666	mart_r    	done	no	1144	4665248491657275727
4666	4667	mart_r    	done	no	1280	4666328399515715861
4667	4668	mart_r    	done	no	1248	4667458615136953049
4668	4669	mart_r    	done	no	1226	4668750968946548531
4669	4670	mart_r    	done	no	1162	4669827140604115051
4670	4671	mart_r    	done	no	1200	4670232378256727507
4671	4672	mart_r    	done	no	1224	4671555821665856143
4672	4673	mart_r    	done	no	1148	4672657445352789149
4673	4674	mart_r    	done	no	1200	4673004835420874651
4674	4675	mart_r    	done	no	1208	4674019774436039813
4675	4676	mart_r    	done	no	1142	4675789961332738301
4676	4677	mart_r    	done	no	1166	4676441041013765603
4677	4678	mart_r    	done	no	1216	4677558806573378317
4678	4679	mart_r    	done	no	1168	4678894217430627913
4679	4680	mart_r    	done	no	1186	4679200171293577597
4680	4681	mart_r    	done	no	1264	4680580355418884419
4681	4682	mart_r    	done	no	1202	4681200005723545211
4682	4683	mart_r    	done	no	1198	4682049089807621173
4683	4684	mart_r    	done	no	1122	4683161300012483851
4684	4685	mart_r    	done	no	1182	4684493096794941877
4685	4686	mart_r    	done	no	1234	4685557731895999867
4686	4687	mart_r    	done	no	1192	4686955484546486971
4687	4688	mart_r    	done	no	1144	4687224219458112313
4688	4689	mart_r    	done	no	1210	4688112528729748537
4689	4690	mart_r    	done	no	1242	4689521661297857387
4690	4691	mart_r    	done	no	1234	4690787833149677107
4691	4692	mart_r    	done	no	1210	4691894828322076651
4692	4693	mart_r    	done	no	1200	4692576401241317023
4693	4694	mart_r    	done	no	1184	4693445974821733769
4694	4695	mart_r    	done	no	1158	4694390755763519729 & 4694627864973926543
4695	4696	mart_r    	done	no	1248	4695760503130078979
4696	4697	mart_r    	done	no	1194	4696725987381236353
4697	4698	mart_r    	done	no	1184	4697159981424736967
4698	4699	mart_r    	done	no	1302	4698094144383201631
4699	4700	mart_r    	done	no	1200	4699057476748221373
4700	4701	danaj   	done	no	1192	4700348399859588367
4701	4702	danaj   	done	no	1200	4701939873176098661
4702	4703	danaj   	done	no	1198	4702302679922458213
4703	4704	danaj   	done	no	1196	4703345653565948531
4704	4705	danaj   	done	no	1182	4704672638506128241
4705	4706	danaj   	done	no	1218	4705500419580437443
4706	4707	danaj   	done	no	1308	4706452766579003281
4707	4708	danaj   	done	no	1170	4707096188735710171
4708	4709	danaj   	done	no	1152	4708544496100267037
4709	4710	danaj   	done	no	1374	4709939493140870509
4710	4711	danaj   	done	no	1260	4710391266666071587
4711	4712	danaj   	done	no	1192	4711583600310715627
4712	4713	danaj   	done	no	1240	4712955479320536829
4713	4714	danaj   	done	no	1308	4713856225411581673
4714	4715	danaj   	done	no	1260	4714484841208689671
4715	4716	danaj   	done	no	1212	4715716518009761489
4716	4717	danaj   	done	no	1266	4716972179498331017
4717	4718	danaj   	done	no	1186	4717871334828786457
4718	4719	danaj   	done	no	1206	4718053544317530601
4719	4720	danaj   	done	no	1160	4719220153467276227
4720	4721	danaj   	done	no	1206	4720862346967035091
4721	4722	danaj   	done	no	1260	4721139465819041323
4722	4723	danaj   	done	no	1218	4722911503940692193
4723	4724	danaj   	done	no	1268	4723736685140198951
4724	4725	danaj   	done	no	1192	4724724160999316809
4725	4726	danaj   	done	no	1344	4725029836591901519
4726	4727	danaj   	done	no	1276	4726827575164405213
4727	4728	danaj   	done	no	1248	4727572574106226711
4728	4729	danaj   	done	no	1190	4728619861925933903
4729	4730	danaj   	done	no	1290	4729969779831049681
4730	4731	danaj   	done	no	1116	4730975274536806787
4731	4732	danaj   	done	no	1154	4731154376151649169
4732	4733	danaj   	done	no	1312	4732600249465863001
4733	4734	danaj   	done	no	1190	4733043473635812947
4734	4735	danaj   	done	no	1210	4734176406333636217
4735	4736	danaj   	done	no	1152	4735991362830488087
4736	4737	danaj   	done	no	1168	4736226492690199009
4737	4738	danaj   	done	no	1206	4737339023708519887
4738	4739	danaj   	done	no	1242	4738182549992007691
4739	4740	danaj   	done	no	1152	4739088673490173777
4740	4741	danaj   	done	no	1270	4740788890339922941
4741	4742	danaj   	done	no	1212	4741988049990429661
4742	4743	danaj   	done	no	1272	4742796531023458891
4743	4744	danaj   	done	no	1332	4743680514279380087
4744	4745	danaj   	done	no	1210	4744160187941730229
4745	4746	danaj   	done	no	1192	4745562502415150257
4746	4747	danaj   	done	no	1176	4746439531751807987
4747	4748	danaj   	done	no	1182	4747219668854061041
4748	4749	danaj   	done	no	1152	4748016212739141077
4749	4750	danaj   	done	no	1194	4749797846069098363
4750	4751	danaj   	done	no	1214	4750573912550573879
4751	4752	danaj   	done	no	1158	4751995353173044993
4752	4753	danaj   	done	no	1254	4752437104574607803
4753	4754	danaj   	done	no	1206	4753140625897479713
4754	4755	danaj   	done	no	1134	4754157611841259859
4755	4756	danaj   	done	no	1206	4755594880388718671
4756	4757	danaj   	done	no	1230	4756737919759084013
4757	4758	danaj   	done	no	1220	4757066620485672821
4758	4759	danaj   	done	no	1208	4758088214231097443
4759	4760	danaj   	done	no	1164	4759666659002267483
4760	4761	danaj   	done	no	1174	4760537828216488267
4761	4762	danaj   	done	no	1204	4761829804100786107
4762	4763	danaj   	done	no	1180	4762622400155106577
4763	4764	danaj   	done	no	1146	4763364313318425203
4764	4765	danaj   	done	no	1322	4764570331567200599
4765	4766	danaj   	done	no	1206	4765542879217506143
4766	4767	danaj   	done	no	1180	4766123312637770173
4767	4768	danaj   	done	no	1226	4767244580368076567
4768	4769	danaj   	done	no	1302	4768473734187515609
4769	4770	danaj   	done	no	1260	4769159331046156019
4770	4771	danaj   	done	no	1240	4770166487667210277
4771	4772	danaj   	done	no	1238	4771148412932459231
4772	4773	danaj   	done	no	1300	4772580061570673881
4773	4774	danaj   	done	no	1182	4773296920906335439
4774	4775	danaj   	done	no	1344	4774714979356611059
4775	4776	danaj   	done	no	1206	4775318348774464331
4776	4777	danaj   	done	no	1314	4776579613427377039
4777	4778	danaj   	done	no	1236	4777897030569583897
4778	4779	danaj   	done	no	1200	4778000899780290911 & 4778020861062335833
4779	4780	danaj   	done	no	1152	4779104548975804651
4780	4781	danaj   	done	no	1194	4780226911508534147
4781	4782	danaj   	done	no	1272	4781371972825746271
4782	4783	danaj   	done	no	1184	4782972494362478147
4783	4784	danaj   	done	no	1248	4783766684385485933
4784	4785	danaj   	done	no	1292	4784725102993160561
4785	4786	danaj   	done	no	1164	4785918072706394609
4786	4787	danaj   	done	no	1146	4786642826722336441
4787	4788	danaj   	done	no	1144	4787536488083837977
4788	4789	danaj   	done	no	1144	4788317934040957273
4789	4790	danaj   	done	no	1184	4789120945339231139
4790	4791	danaj   	done	no	1278	4790725479201911099
4791	4792	danaj   	done	no	1134	4791199635955610929
4792	4793	danaj   	done	no	1142	4792895930371503971
4793	4794	danaj   	done	no	1212	4793236229087327521
4794	4795	danaj   	done	no	1140	4794941194494579637
4795	4796	danaj   	done	no	1180	4795295518583258149
4796	4797	danaj   	done	no	1294	4796064701370467599
4797	4798	danaj   	done	no	1262	4797041789728897367
4798	4799	danaj   	done	no	1134	4798175609358994157
4799	4800	danaj   	done	no	1164	4799363204775485147
4800	4801	Thomas11	done	no	1130	4800981467095153979
4801	4802	Thomas11	done	no	1174	4801980785227130383
4802	4803	Thomas11	done	no	1216	4802643787534376167
4803	4804	Thomas11	done	no	1150	4803451177301809987
4804	4805	Thomas11	done	no	1170	4804027392207401507 & 4804918474473018379
4805	4806	Thomas11	done	no	1222	4805527773903137689
4806	4807	Thomas11	done	no	1152	4806633433570567579
4807	4808	Thomas11	done	no	1224	4807040200300132409
4808	4809	Thomas11	done	no	1206	4808288176901297183
4809	4810	Thomas11	done	no	1216	4809802438785922801
4810	4811	Thomas11	done	no	1334	4810725534311197559
4811	4812	Thomas11	done	no	1226	4811403393290766323
4812	4813	Thomas11	done	no	1224	4812155922556440923
4813	4814	Thomas11	done	no	1202	4813465327385798537
4814	4815	Thomas11	done	no	1212	4814150594247860687
4815	4816	Thomas11	done	no	1190	4815828621985778357
4816	4817	Thomas11	done	no	1216	4816276856995074853
4817	4818	Thomas11	done	no	1166	4817124149233745543
4818	4819	Thomas11	done	no	1166	4818681234243298013
4819	4820	Thomas11	done	no	1220	4819863593651777393
4820	4821	Thomas11	done	no	1134	4820455895702663717
4821	4822	Thomas11	done	no	1204	4821546757511245387
4822	4823	Thomas11	done	no	1264	4822794575019472153
4823	4824	Thomas11	done	no	1226	4823989493667619343
4824	4825	Thomas11	done	no	1204	4824830632353517189
4825	4826	Thomas11	done	no	1164	4825465784231898283
4826	4827	Thomas11	done	no	1190	4826727686199288449
4827	4828	Thomas11	done	no	1224	4827538021416585029
4828	4829	Thomas11	done	no	1212	4828253807400207749
4829	4830	Thomas11	done	no	1272	4829311785804365077
4830	4831	Thomas11	done	no	1296	4830962113770091001
4831	4832	Thomas11	done	no	1230	4831251555745589803
4832	4833	Thomas11	done	no	1184	4832622149192545517
4833	4834	Thomas11	done	no	1252	4833509601975999739
4834	4835	Thomas11	done	no	1408	4834864424015986771
4835	4836	Thomas11	done	no	1148	4835145599192461853
4836	4837	Thomas11	done	no	1200	4836687272265448627
4837	4838	Thomas11	done	no	1190	4837891708052889413
4838	4839	Thomas11	done	no	1188	4838104344707065279
4839	4840	Thomas11	done	no	1156	4839473078778238063
4840	4841	Thomas11	done	no	1190	4840819873068070919
4841	4842	Thomas11	done	no	1148	4841091661145096933
4842	4843	Thomas11	done	no	1194	4842188742697489259
4843	4844	Thomas11	done	no	1178	4843553811650247233
4844	4845	Thomas11	done	no	1290	4844283640123541261
4845	4846	Thomas11	done	no	1218	4845774194554037053
4846	4847	Thomas11	done	no	1236	4846683919849863257
4847	4848	Thomas11	done	no	1158	4847891168106106511
4848	4849	Thomas11	done	no	1200	4848788905674272197
4849	4850	Thomas11	done	no	1176	4849856332085684131
4850	4851	danaj   	done	no	1192	4850101722401543731
4851	4852	danaj   	done	no	1168	4851192963581991721
4852	4853	danaj   	done	no	1164	4852292534466052297
4853	4854	danaj   	done	no	1166	4853153115800278193
4854	4855	danaj   	done	no	1160	4854316795137977093
4855	4856	danaj   	done	no	1320	4855182426726616249
4856	4857	danaj   	done	no	1222	4856499960471503941
4857	4858	danaj   	done	no	1260	4857255881931088529
4858	4859	danaj   	done	no	1202	4858029827347214939
4859	4860	danaj   	done	no	1164	4859087424883839617
4860	4861	danaj   	done	no	1152	4860613998330180781
4861	4862	danaj   	done	no	1164	4861456514029671989
4862	4863	danaj   	done	no	1304	4862477914369718969
4863	4864	danaj   	done	no	1194	4863027725303313547
4864	4865	danaj   	done	no	1296	4864763700659932217
4865	4866	danaj   	done	no	1190	4865075981540818451
4866	4867	danaj   	done	no	1230	4866558431559292931
4867	4868	danaj   	done	no	1278	4867013662720794383
4868	4869	danaj   	done	no	1150	4868958128619319759
4869	4870	danaj   	done	no	1212	4869079576066558379
4870	4871	danaj   	done	no	1226	4870067326343210027
4871	4872	danaj   	done	no	1226	4871839425042393983
4872	4873	danaj   	done	no	1212	4872460841656287629
4873	4874	danaj   	done	no	1184	4873323519978172829 & 4873438674837230093
4874	4875	danaj   	done	no	1242	4874576701288789031
4875	4876	danaj   	done	no	1188	4875986212121842271
4876	4877	danaj   	done	no	1226	4876606537418578901
4877	4878	danaj   	done	no	1206	4877417780558534843
4878	4879	danaj   	done	no	1228	4878157572450795313
4879	4880	danaj   	done	no	1230	4879762269297174421
4880	4881	danaj   	done	no	1196	4880405326876365053 & 4880814090392132393
4881	4882	danaj   	done	no	1256	4881552444438862481
4882	4883	danaj   	done	no	1176	4882078302217841401
4883	4884	danaj   	done	no	1454	4883011923347099963
4884	4885	danaj   	done	no	1158	4884667655956278571
4885	4886	danaj   	done	no	1190	4885344698283109943
4886	4887	danaj   	done	no	1182	4886438914160737229
4887	4888	danaj   	done	no	1206	4887995481744553531
4888	4889	danaj   	done	no	1230	4888701094099702909
4889	4890	danaj   	done	no	1158	4889552033413808699
4890	4891	danaj   	done	no	1170	4890240734310168163
4891	4892	danaj   	done	no	1212	4891077536295998461
4892	4893	danaj   	done	no	1264	4892431925726873323
4893	4894	danaj   	done	no	1256	4893155411737308257
4894	4895	danaj   	done	no	1292	4894321237481277929
4895	4896	danaj   	done	no	1170	4895801642196312163
4896	4897	danaj   	done	no	1234	4896686470547564743
4897	4898	danaj   	done	no	1180	4897676855699865109
4898	4899	danaj   	done	no	1248	4898469089480933821
4899	4900	danaj   	done	no	1204	4899171435007614553
4900	4901	pinhodecarlos	done	no	1230	4900619401496086601
4901	4902	pinhodecarlos	done	no	1148	4901631644115750851
4902	4903	pinhodecarlos	done	no	1188	4902830164810747903
4903	4904	pinhodecarlos	done	no	1190	4903266663904515563
4904	4905	pinhodecarlos	done	no	1260	4904516950554109181
4905	4906	pinhodecarlos	done	no	1198	4905331467753056653
4906	4907	pinhodecarlos	done	no	1192	4906777166075951671
4907	4908	pinhodecarlos	done	no	1176	4907673263938695443
4908	4909	pinhodecarlos	done	no	1178	4908857216044392899
4909	4910	pinhodecarlos	done	no	1150	4909575990270464173
4910	4911	Thomas11	done	no	1240	4910416694167013977
4911	4912	Thomas11	done	no	1208	4911932359156392749
4912	4913	Thomas11	done	no	1230	4912745207796633169
4913	4914	Thomas11	done	no	1194	4913738746464206569
4914	4915	Thomas11	done	no	1278	4914745243980267763
4915	4916	Thomas11	done	no	1236	4915981534339910197
4916	4917	Thomas11	done	no	1134	4916384249513393869
4917	4918	Thomas11	done	no	1160	4917294732319907687
4918	4919	Thomas11	done	no	1230	4918543276473803161
4919	4920	Thomas11	done	no	1260	4919672083007376829
4920	4921	Thomas11	done	no	1176	4920399088102038631
4921	4922	Thomas11	done	no	1202	4921613049418447631
4922	4923	Thomas11	done	no	1178	4922077894575948233
4923	4924	Thomas11	done	no	1164	4923234546916883719
4924	4925	Thomas11	done	no	1176	4924662812807389261
4925	4926	Thomas11	done	no	1152	4925622215465265299
4926	4927	Thomas11	done	no	1166	4926445439520201161
4927	4928	Thomas11	done	no	1294	4927435256801692339
4928	4929	Thomas11	done	no	1176	4928325477298776893
4929	4930	Thomas11	done	no	1188	4929529478968547753
4930	4931	Thomas11	done	no	1180	4930299571921541407
4931	4932	Thomas11	done	no	1208	4931903121032008349
4932	4933	Thomas11	done	no	1158	4932222068892490693 & 4932406274197541131
4933	4934	Thomas11	done	no	1302	4933858412822896951
4934	4935	Thomas11	done	no	1162	4934645050207105489
4935	4936	Thomas11	done	no	1196	4935915357638688023
4936	4937	Thomas11	done	no	1272	4936339852788612287
4937	4938	Thomas11	done	no	1146	4937272909719888553
4938	4939	Thomas11	done	no	1216	4938748761161714593
4939	4940	Thomas11	done	no	1266	4939103161793136053
4940	4941	Thomas11	done	no	1152	4940986765657562897
4941	4942	Thomas11	done	no	1230	4941758244520628441
4942	4943	Thomas11	done	no	1168	4942324749655650523
4943	4944	Thomas11	done	no	1246	4943431050261302743
4944	4945	Thomas11	done	no	1206	4944253923926639167
4945	4946	Thomas11	done	no	1230	4945860852046307771
4946	4947	Thomas11	done	no	1256	4946335113232594241
4947	4948	Thomas11	done	no	1166	4947986181539961821
4948	4949	Thomas11	done	no	1164	4948657454783355967
4949	4950	Thomas11	done	no	1164	4949712959031894887
4950	4951	ldesnogu	done	no	1274	4950426115658198939
4951	4952	ldesnogu	done	no	1146	4951521804685897817
4952	4953	ldesnogu	done	no	1260	4952005664109334349
4953	4954	ldesnogu	done	no	1212	4953415085311337657
4954	4955	ldesnogu	done	no	1212	4954479979633452847
4955	4956	ldesnogu	done	no	1242	4955421359214915037
4956	4957	ldesnogu	done	no	1190	4956617139265082561
4957	4958	ldesnogu	done	no	1180	4957237378187613721
4958	4959	ldesnogu	done	no	1190	4958909003941306319
4959	4960	ldesnogu	done	no	1188	4959585030821634659
4960	4961	Thomas11	done	no	1182	4960001116683641459
4961	4962	Thomas11	done	no	1310	4961818379068555181
4962	4963	Thomas11	done	no	1186	4962154009508135257
4963	4964	Thomas11	done	no	1204	4963001205193179259
4964	4965	Thomas11	done	no	1212	4964489205661633519
4965	4966	robert44444uk	done	no	1170	4965067636543200883
4966	4967	robert44444uk	done	no	1206	4966514606264523743
4967	4968	robert44444uk	done	no	1170	4967276259031248073
4968	4969	robert44444uk	done	no	1320	4968974294276438443
4969	4970	robert44444uk	done	no	1344	4969402083637674773
4970	4971	mart_r    	done	no	1164	4970961306433018529
4971	4972	mart_r    	done	no	1164	4971166562495055943
4972	4973	mart_r    	done	no	1184	4972916553407589503
4973	4974	mart_r    	done	no	1236	4973734821317466857
4974	4975	mart_r    	done	no	1254	4974447621173805917
4975	4976	mart_r    	done	no	1150	4975302059477134549
4976	4977	mart_r    	done	no	1350	4976057605865948369
4977	4978	mart_r    	done	no	1162	4977005632747475269
4978	4979	mart_r    	done	no	1180	4978768639786587979
4979	4980	mart_r    	done	no	1134	4979499080361465419 & 4979728978614798893
4980	4981	axn        	done	no	1164	4980040259457714229
4981	4982	axn        	done	no	1156	4981946005111222351
4982	4983	axn        	done	no	1208	4982896924108017359
4983	4984	axn        	done	no	1138	4983012232925143003
4984	4985	axn        	done	no	1308	4984382373956047831
4985	4986	axn        	done	no	1200	4985781967011481907
4986	4987	axn        	done	no	1168	4986349534665526801
4987	4988	axn        	done	no	1168	4987621442984812141
4988	4989	axn        	done	no	1208	4988979957125015483
4989	4990	axn        	done	no	1248	4989225008519736989
4990	4991	axn        	done	no	1256	4990081859227842491
4991	4992	axn        	done	no	1200	4991049577188177301
4992	4993	axn        	done	no	1210	4992051443293825789
4993	4994	axn        	done	no	1210	4993035189134480869
4994	4995	axn        	done	no	1170	4994824608148084183
4995	4996	axn        	done	no	1180	4995878271324402373
4996	4997	axn        	done	no	1284	4996707822240949447
4997	4998	axn        	done	no	1240	4997996741423792671
4998	4999	axn        	done	no	1190	4998915865297800779
4999	5000	axn        	done	no	1192	4999576447953739471
The range was completed on 18 July 2017. No records were found, although the 3 results highlighted in red confirmed another searcher's earlier reported gaps, which now become first instance gaps.

Last fiddled with by robert44444uk on 2017-07-18 at 06:06
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Old 2017-04-10, 18:11   #4
firejuggler
 
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any line to add to get the found gap in a file?
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Old 2017-04-10, 20:56   #5
robert44444uk
 
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Oxford, UK

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Quote:
Originally Posted by firejuggler View Post
any line to add to get the found gap in a file?
Sorry I use the following line in a console in Windows, taking advantage of the double chevron

suitable subdirectory:\> filename.pl >> outputfilename.txt
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Old 2017-04-14, 09:00   #6
robert44444uk
 
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Antonio is working on improving the Perl code and the latest version of this is approximately 300% faster than the code posted above. This means that a range of 1*10^15 can be checked on a modern 4-core computer in about 6 days.

Watch this space for a 1.0 version.
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Old 2017-04-15, 06:06   #7
Antonio
 
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Quote:
Originally Posted by robert44444uk View Post
Antonio is working on improving the Perl code and the latest version of this is approximately 300% faster than the code posted above. This means that a range of 1*10^15 can be checked on a modern 4-core computer in about 6 days.

Watch this space for a 1.0 version.
As promised here is the improved code, which I hope people will find useful. My thanks to Robert for pre-release testing and some useful improvement suggestions.
I have included a readme to describe it's usage as follows:
Code:
Usage:
Pgap_segmented.pl threads gap start end update ratio
where:
threads: the number of threads to use
gap    : minimum size of gap to report
start  : of range to check
end    : of range to check
update : minutes between progress updates
ratio  : the fraction of 'gap' to skip forward each test
         values between 0.86 & 0.90 should provide maximum throughput

example command line:
pgap_segmented.pl 7 1346 4004e15 4005e15 30
(ratio defaults to 0.86)

Progress is displayed on screen and saved to 'Pgap_segmented.txt' being
updated every 'update' minutes.
Gaps meeting the minimum requirement are displayed on screen and
saved to 'Pgap_segmented.log' as gap size followed by the initiating prime,
one result per line.

Windows Note: Redirecting the screen output to a file and then viewing using notepad
may/will cause the output to be displayed incorrectly, redirection is not necessary
as the important information is saved to the two files mentioned above.
Here is a screenshot showing a run using the default values.
Attached Thumbnails
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Attached Files
File Type: zip Pgap_segmented.zip (2.3 KB, 151 views)
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Old 2017-04-15, 08:37   #8
Antonio
 
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So sorry, please do not use the code given above. I zipped up the wrong version (it doesn't match the readme description for order of inputs)
I have attached the correct version here.
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Old 2017-04-15, 08:50   #9
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Reserving 4003e15 to 4004e15
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Old 2017-04-18, 11:10   #10
Antonio
 
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A new version of the code is now available.
Major change - you can now exit early using Ctrl-Q, the program will then stop after completing the current segment. It will also write a (Windows) batch file which can be used to continue the run from this break point.
Other changes - file names have been changed (shortened), and the progress file is no longer overwritten when a new run is started.
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File Type: zip Pgap_segmented.zip (2.9 KB, 166 views)
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Old 2017-04-20, 18:33   #11
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Reserving 4004e15 to 4005e15
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