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Old 2022-11-13, 13:36   #122
SuikaPredator
 
Aug 2022
China

408 Posts
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What happened to the number of curves?
Code:
D:\Software\GMP-ECM>ecm.py -r job0180.txt -threads 12 -c 900 -maxmem 8192 -out factors_found.txt -pollfiles 3 1e6
-> ___________________________________________________________________
-> | Running ecm.py, a Python driver for distributing GMP-ECM work   |
-> | on a single machine.  It is copyright, 2011-2022, David Cleaver |
-> | and is a conversion of factmsieve.py that is Copyright, 2010,   |
-> | Brian Gladman. Version 0.46 (Python 2.6 or later)  4th Nov 2022 |
-> |_________________________________________________________________|

-> *** Already completed 528 curves on this number...
-> *** Will run 372 more curves.
->=============================================================================
-> Working on number: 187060905791346431...280717931660727007 (520 digits)
-> Trying to resume job in file: job0180.txt
-> *** Will run 372 more curves.
-> Currently working on: job0180.txt
-> Starting 12 instances of GMP-ECM...
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t00.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t01.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t02.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t03.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t04.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t05.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t06.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t07.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t08.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t09.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t10.txt
-> ecm -c 186 -maxmem 4096 1e6 < job0180.txt > job0180_t11.txt

GMP-ECM 7.0.4 [configured with GMP 6.1.2, --enable-asm-redc] [ECM]
Using B1=1000000, B2=1045563762, polynomial Dickson(6), 12 threads
____________________________________________________________________________
 Curves Complete |   Average seconds/curve   |    Runtime    |      ETA
-----------------|---------------------------|---------------|--------------
   414 of    372 | Stg1 39.07s | Stg2 13.60s |   0d 00:32:38 |   0d 00:00:00

Last fiddled with by SuikaPredator on 2022-11-13 at 13:37
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Old 2023-01-24, 04:18   #123
WraithX
 
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Mar 2006

2·3·89 Posts
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Quote:
Originally Posted by SuikaPredator View Post
What happened to the number of curves?
Code:
D:\Software\GMP-ECM>ecm.py -r job0180.txt -threads 12 -c 900 -maxmem 8192 -out factors_found.txt -pollfiles 3 1e6
The problem comes from the "-r" option. It is not correctly implemented and I hadn't tested that feature in a long time and so didn't notice the problem.

I'd recommend calling ecm.py the same way every time, something like:
Code:
python ecm.py -threads 12 -c 900 -maxmem 8192 -out factors_found.txt -pollfiles 3 1e6 < number.txt
You can interrupt the above run. Then later issue the same command and it will find the previous work done, correctly count how many curves have been done, and correctly split the remaining curves among the specified number of threads.

Sorry for the broken "-r" feature, but I won't have time to fix it for a while.
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