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Search: Posts Made By: chris2be8
Forum: YAFU 2021-09-22, 15:31
Replies: 61
Views: 44,726
Posted By chris2be8
It's making a classic error by *not* saying what...

It's making a classic error by *not* saying what path it is looking for. It saves time in the long run to make sure error messages have all the information you are likely to need to work out what is...
Forum: Linux 2021-09-20, 15:59
Replies: 7
Views: 308
Posted By chris2be8
How many different composites are there? If there...

How many different composites are there? If there are a reasonably small number, say under 100,000, I would write a perl script to read the file and update a hash using the composite as the key and...
Forum: NFS@Home 2021-09-19, 15:45
Replies: 184
Views: 20,410
Posted By chris2be8
QUEUED AS f34_166p1 ...

QUEUED AS f34_166p1

(34^166+1)/25385312545800837394394433079622090371079895704072254618504970393 from the Brent tables:

# Built Wed Sep 15 17:10:17 2021
# Estimated SNFS difficulty 255, GNFS...
Forum: YAFU 2021-09-17, 15:50
Replies: 277
Views: 16,985
Posted By chris2be8
My perl scripts use: $cmd="\"$YAFU\"...

My perl scripts use:

$cmd="\"$YAFU\" 'factor($_[0])' -p -ecm_path /usr/bin/ecm -logfile $LOGFILE -threads $NUM_CPUS";
...
$res=system($cmd);

perl substitutes suitable values for $YAFU, $_[0],...
Forum: Msieve 2021-09-17, 15:37
Replies: 60
Sticky: Msieve GPU LA
Views: 3,032
Posted By chris2be8
Or use on-board graphics if the MOBO has them....

Or use on-board graphics if the MOBO has them. That's how I run my main GPU.
Forum: Msieve 2021-09-17, 15:35
Replies: 26
Views: 1,266
Posted By chris2be8
Did yafu use QS or GNFS? If GNFS what version of...

Did yafu use QS or GNFS? If GNFS what version of msieve did it use? I suspect the msieve versions I tried have some bounds set wrongly for number in this size range.

I did manage to find a poly...
Forum: FactorDB 2021-09-16, 16:00
Replies: 15
Views: 1,768
Posted By chris2be8
There are loads of entries like...

There are loads of entries like http://factordb.com/index.php?id=1100000002692465505
...
Forum: Msieve 2021-09-16, 15:40
Replies: 26
Views: 1,266
Posted By chris2be8
I've miserably failed to find a poly for this...

I've miserably failed to find a poly for this c113:

13388164029832178605174690994702863628597531043917231628629707028750338026569517034134903882342648685574248816951


I tried several times on...
Forum: NFS@Home 2021-09-15, 16:51
Replies: 184
Views: 20,410
Posted By chris2be8
Is f98_127p1 hung?...

Is f98_127p1 hung? https://escatter11.fullerton.edu/nfs/crunching_es.php shows it top of the queue, but no work sent out or received?
Forum: NFS@Home 2021-09-15, 15:50
Replies: 218
Views: 15,951
Posted By chris2be8
f50_149p1 is done: p105 factor:...

f50_149p1 is done:

p105 factor: 152034607535617897540767590079655453282655055937821991326532220772075275515552531404404988039919078647323
p134 factor:...
Forum: Science & Technology 2021-09-15, 15:44
Replies: 505
Views: 84,922
Posted By chris2be8
I *think* it's because helium-3 will be primeval...

I *think* it's because helium-3 will be primeval gas incorporated into the earth when it formed. Most of the helium-3 in the crust will have escaped by now. So significant emissions show that magma...
Forum: FactorDB 2021-09-14, 15:47
Replies: 15
Views: 1,768
Posted By chris2be8
Flooding factordb with garbage entries is...

Flooding factordb with garbage entries is probably illegal in most countries that have laws about computer misuse. But only Syd could tell where the garbage is coming from or start legal action by...
Forum: NFS@Home 2021-09-13, 15:40
Replies: 218
Views: 15,951
Posted By chris2be8
BUMP! ...

BUMP!

https://escatter11.fullerton.edu/nfs/crunching_es.php still shows f46_152p1 as WIP and f50_149p1 as sieving.
Forum: NFS@Home 2021-09-12, 15:49
Replies: 184
Views: 20,410
Posted By chris2be8
QUEUED AS f98_127p1 ...

QUEUED AS f98_127p1

(98^127+1)/47211361357136942477033504065308835571609840246811565061701254124596092793 from the Brent tables:

# Built Fri Sep 10 17:33:31 2021
# Estimated SNFS difficulty...
Forum: NFS@Home 2021-09-12, 15:35
Replies: 218
Views: 15,951
Posted By chris2be8
f46_152p1 is done: p101 factor:...

f46_152p1 is done:

p101 factor: 18497023339927535960061958559993413296995136071488713553293353145541945567784172476574402988452254209
p103 factor:...
Forum: Factoring 2021-09-09, 15:40
Replies: 92
Views: 3,795
Posted By chris2be8
Just the higher arch one (sm_52). Sorry. PS....

Just the higher arch one (sm_52). Sorry.

PS. Does CGBN increase the maximum size of number that can be handled? I'd try it, but I'm tied up catching up with ECM work I delayed while I was getting...
Forum: NFS@Home 2021-09-08, 15:38
Replies: 218
Views: 15,951
Posted By chris2be8
f41_157p1 is done: p73 factor:...

f41_157p1 is done:

p73 factor: 9335240936840860423320284067331178138160586650875626974985859462529692611
p170 factor:...
Forum: Factoring 2021-09-08, 15:30
Replies: 92
Views: 3,795
Posted By chris2be8
How about having INSTALL-ecm tell users to run...

How about having INSTALL-ecm tell users to run autoreconf -i if they don't have a ./configure in the directory?

And if people get an official release would the files that would be created by...
Forum: Factoring 2021-09-07, 15:41
Replies: 92
Views: 3,795
Posted By chris2be8
How about updating INSTALL-ecm like this: ...

How about updating INSTALL-ecm like this:

diff -u INSTALL-ecm INSTALL-ecm.new
--- INSTALL-ecm 2021-09-05 12:13:55.613439408 +0100
+++ INSTALL-ecm.new 2021-09-07 16:37:42.903291304 +0100
@@...
Forum: Factoring 2021-09-06, 16:02
Replies: 92
Views: 3,795
Posted By chris2be8
Benchmark results: ...

Benchmark results:

chris@4core:~/ecm-cgbn/gmp-ecm> date;echo "(2^499-1)/20959" | ./ecm -gpu -gpucurves 3584 -sigma 3:1000 20000 0;date
Sun 5 Sep 19:42:42 BST 2021
GMP-ECM 7.0.5-dev [configured...
Forum: NFS@Home 2021-09-06, 07:30
Replies: 184
Views: 20,410
Posted By chris2be8
Hello, I've re-test sieved f60_142p1 and...

Hello,

I've re-test sieved f60_142p1 and f77_134p1 with 10k ranges.

My requested range of 34M to 134M for f60_142p1 is OK, but on https://escatter11.fullerton.edu/nfs/crunching_es.php the range...
Forum: Factoring 2021-09-05, 18:38
Replies: 92
Views: 3,795
Posted By chris2be8
Success! The vital bit of info came from...

Success!

The vital bit of info came from putting "__gxx_personality_v0" into duckduckgo. That told me it's provided by libstdc++ which is the g++ runtime. After installing gcc9-g++ and its run...
Forum: YAFU 2021-09-05, 15:49
Replies: 277
Views: 16,985
Posted By chris2be8
See...

See https://mersenneforum.org/showpost.php?p=587018&postcount=50 for details of what I found out about the latest msieve version.
Forum: Factoring 2021-09-05, 15:44
Replies: 92
Views: 3,795
Posted By chris2be8
I'm still stuck. I re-downloaded everything from...

I'm still stuck. I re-downloaded everything from scratch and re-ran autoreconf -si, ./configure and make. But make still fails

...
libtool: link: ( cd ".libs" && rm -f "libecm.la" && ln -s...
Forum: Factoring 2021-09-05, 05:35
Replies: 92
Views: 3,795
Posted By chris2be8
That fails: chris@4core:~> git clone -b...

That fails:

chris@4core:~> git clone -b cgbn_swap git@github.com:sethtroisi/CGBN.git
Cloning into 'CGBN'...
The authenticity of host 'github.com (140.82.121.4)' can't be established.
RSA key...
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