Thread: CADO NFS
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Old 2018-12-08, 12:59   #311
VictordeHolland
 
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"Victor de Hollander"
Aug 2011
the Netherlands

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I did do two C116s with different parameters, but the difference was negligible:

Aliquot 2515098 index 518 C116 (default c115 parameters)
Code:
57260624163558114907105482591325041150144795085724341980289789123163352120442484657512017354806368372606893536015689
Code:
Info:Square Root: Factors: 5366819040225876374810043852991007541729343594563691842154849129 10669378589882202242046713973010894938014632978556641
Info:Polynomial Selection (size optimized): Aggregate statistics:
Info:Polynomial Selection (size optimized): potential collisions: 21492.9
Info:Polynomial Selection (size optimized): raw lognorm (nr/min/av/max/std): 21788/33.700/41.357/46.600/1.112
Info:Polynomial Selection (size optimized): optimized lognorm (nr/min/av/max/std): 21788/32.870/36.651/41.770/0.956
Info:Polynomial Selection (size optimized): Total time: 2839.91
Info:Polynomial Selection (root optimized): Aggregate statistics:
Info:Polynomial Selection (root optimized): Total time: 501.88
Info:Polynomial Selection (root optimized): Rootsieve time: 500.25
Info:Generate Factor Base: Total cpu/real time for makefb: 9.41/0.595049
Info:Generate Free Relations: Total cpu/real time for freerel: 108.79/3.46431
Info:Lattice Sieving: Aggregate statistics:
Info:Lattice Sieving: Total number of relations: 7476517
Info:Lattice Sieving: Average J: 1911.27 for 175501 special-q, max bucket fill -bkmult 1.0,1s:1.156260
Info:Lattice Sieving: Total time: 39802.7s
Info:Filtering - Duplicate Removal, splitting pass: Total cpu/real time for dup1: 26.93/38.9862
Info:Filtering - Duplicate Removal, splitting pass: Aggregate statistics:
Info:Filtering - Duplicate Removal, splitting pass: CPU time for dup1: 37.9s
Info:Filtering - Duplicate Removal, removal pass: Total cpu/real time for dup2: 206.85/149.014
Info:Filtering - Duplicate Removal, removal pass: Aggregate statistics:
Info:Filtering - Duplicate Removal, removal pass: CPU time for dup2: 125.0s
Info:Filtering - Singleton removal: Total cpu/real time for purge: 177.66/156.63
Info:Filtering - Merging: Total cpu/real time for merge: 177.67/141.849
Info:Filtering - Merging: Total cpu/real time for replay: 22.74/18.5985
Info:Linear Algebra: Total cpu/real time for bwc: 4464.77/404.3
Info:Linear Algebra: Aggregate statistics:
Info:Linear Algebra: Krylov: WCT time 238.7, iteration CPU time 0.01, COMM 0.0, cpu-wait 0.0, comm-wait 0.0 (15000 iterations)
Info:Linear Algebra: Lingen CPU time 189.98, WCT time 17.9
Info:Linear Algebra: Mksol: WCT time 127.46, iteration CPU time 0.01, COMM 0.0, cpu-wait 0.0, comm-wait 0.0 (7000 iterations)
Info:Quadratic Characters: Total cpu/real time for characters: 32.85/5.83791
Info:Square Root: Total cpu/real time for sqrt: 550.98/79.8058
Info:Complete Factorization: Total cpu/elapsed time for entire factorization: 102295/3488.36
Aliquot 2324328 index 1754 C116 (parameters from https://mersenneforum.org/showpost.p...&postcount=294)
Code:
16231073505513910375586118092559047695476874861018044665771298171360337986331251933825629231182569153705365622682051
Code:
Info:Square Root: Factors: 24031256700679804831899451534455089680339988350903629141920263071775427401 675415094086809031967441080036510893844651
Info:Polynomial Selection (size optimized): Aggregate statistics:
Info:Polynomial Selection (size optimized): potential collisions: 12883.5
Info:Polynomial Selection (size optimized): raw lognorm (nr/min/av/max/std): 13313/32.880/41.399/50.410/1.390
Info:Polynomial Selection (size optimized): optimized lognorm (nr/min/av/max/std): 13313/32.880/36.561/42.320/1.095
Info:Polynomial Selection (size optimized): Total time: 2000.54
Info:Polynomial Selection (root optimized): Aggregate statistics:
Info:Polynomial Selection (root optimized): Total time: 523.23
Info:Polynomial Selection (root optimized): Rootsieve time: 522.04
Info:Generate Factor Base: Total cpu/real time for makefb: 6.27/0.403468
Info:Generate Free Relations: Total cpu/real time for freerel: 216.27/6.85179
Info:Lattice Sieving: Aggregate statistics:
Info:Lattice Sieving: Total number of relations: 13327906
Info:Lattice Sieving: Average J: 1888.34 for 188639 special-q, max bucket fill -bkmult 1.0,1s:1.177090
Info:Lattice Sieving: Total time: 40384.9s
Info:Filtering - Duplicate Removal, splitting pass: Total cpu/real time for dup1: 47.52/70.735
Info:Filtering - Duplicate Removal, splitting pass: Aggregate statistics:
Info:Filtering - Duplicate Removal, splitting pass: CPU time for dup1: 70.19999999999999s
Info:Filtering - Duplicate Removal, removal pass: Total cpu/real time for dup2: 289.07/166.718
Info:Filtering - Duplicate Removal, removal pass: Aggregate statistics:
Info:Filtering - Duplicate Removal, removal pass: CPU time for dup2: 140.10000000000002s
Info:Filtering - Singleton removal: Total cpu/real time for purge: 191.33/155.735
Info:Filtering - Merging: Total cpu/real time for merge: 156.48/120.167
Info:Filtering - Merging: Total cpu/real time for replay: 22.89/18.0962
Info:Linear Algebra: Total cpu/real time for bwc: 4680.55/469.7
Info:Linear Algebra: Aggregate statistics:
Info:Linear Algebra: Krylov: WCT time 292.48, iteration CPU time 0.01, COMM 0.0, cpu-wait 0.01, comm-wait 0.0 (14000 iterations)
Info:Linear Algebra: Lingen CPU time 184.26, WCT time 17.55
Info:Linear Algebra: Mksol: WCT time 138.62, iteration CPU time 0.01, COMM 0.0, cpu-wait 0.0, comm-wait 0.0 (7000 iterations)
Info:Quadratic Characters: Total cpu/real time for characters: 35.84/6.89125
Info:Square Root: Total cpu/real time for sqrt: 660.36/92.6011
Info:HTTP server: Shutting down HTTP server
Info:Complete Factorization: Total cpu/elapsed time for entire factorization: 101763/3579.63
Attached Files
File Type: txt params.c115_standard.txt (1.9 KB, 31 views)
File Type: txt params.c115_new.txt (2.0 KB, 30 views)
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