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Old 2015-05-30, 10:24   #1
al3ndaleeb
 
Apr 2015
Riyadh

2·32 Posts
Default Yafu crash after factoring this number

fac: factoring 255922253163331858162503119755373102567
fac: using pretesting plan: normal
fac: no tune info: using qs/gnfs crossover of 95 digits
div: primes less than 10000
div: found prime factor = 11
rho: x^2 + 3, starting 100000 iterations on C38
rho: x^2 + 2, starting 100000 iterations on C38
rho: x^2 + 1, starting 100000 iterations on C38
pm1: starting B1 = 150K, B2 = gmp-ecm default on C38
fac: setting target pretesting digits to 11.69
fac: sum of completed work is t0.00
fac: work done at B1=2000: 0 curves, max work = 30 curves
fac: 30 more curves at B1=2000 needed to get to t11.69
ecm: 30/30 curves on C38, B1=2K, B2=gmp-ecm default
fac: setting target pretesting digits to 11.69
fac: t15: 1.00
fac: t20: 0.04
fac: sum of completed work is t15.18

starting SIQS on c38: 23265659378484714378409374523215736597
failed to calloc 16777216 bytes

Where is the problem ?
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Old 2015-05-30, 15:59   #2
Dubslow
Basketry That Evening!
 
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"Bunslow the Bold"
Jun 2011
40<A<43 -89<O<-88

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Your system is out of memory. Not really a Yafu problem; it was unable to claim 16.7MB from system memory (and that's not a lot relative to modern RAM sizes).
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Old 2015-05-30, 17:18   #3
al3ndaleeb
 
Apr 2015
Riyadh

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Quote:
Originally Posted by Dubslow View Post
Your system is out of memory. Not really a Yafu problem; it was unable to claim 16.7MB from system memory (and that's not a lot relative to modern RAM sizes).
My Ram above 16 GB and YAFU works with big numbers but with small numbers crash !!
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Old 2015-05-30, 19:54   #4
al3ndaleeb
 
Apr 2015
Riyadh

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I found the problem
I was putting threads to 2000 in yafu.ini
I decreased the value and it's working now.

thanks
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