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Re: [cado-nfs] Unexpected Memory Use Change


Chronological Thread 
  • From: Ed Hall <ed_ka2fwj@yahoo.com>
  • To: Emmanuel Thomé <Emmanuel.Thome@inria.fr>
  • Cc: "cado-nfs@inria.fr" <cado-nfs@inria.fr>
  • Subject: Re: [cado-nfs] Unexpected Memory Use Change
  • Date: Tue, 6 Apr 2021 13:24:04 +0000 (UTC)
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Dear Emmanuel,
 
Thank you for your quick reply.
 
I'm posting the original poly, snfs params and the latest snapshot, since many alterations have been made to the snapshots along the way.
 
I tried to swap the strategy by a client call and it was not accepted.  Do I need to restart the server to do this? It would take a while to filter through to the assigned WUs:
------------------------------
$ ./cado-nfs-client.py --clientid=test --single --bindir=build/$HOSTNAME/ --override t 6 --adjust-strategy 0 --server=http://math99.local:13573
Usage: cado-nfs-client.py [options]
 
cado-nfs-client.py: error: no such option: --adjust-strategy
 
-------------------------------
}}}}}}}}}} Original polynomial:
-------------------------------
n: 481656163308412765403614651218708598794359189399756146690661073869112900839012131985010061499036900388686771640446175627690737806643304133900246206450098561588920335412290847983165259494228429323278741
skew: 2.592
c8: 81
c7: 810
c6: 1890
c5: -5400
c4: -28800
c3: -27000
c2: 36000
c1: 60000
c0: 10000
Y1: 43046721000000000000000
Y0: -10000000000000000617673396283947
---------------------------------
}}}}}}}}}} snfs params file:
---------------------------------
###########################################################################
#     Parameter file for Cado-NFS
###########################################################################
# See params/params.c90 for an example which contains some documentation.
 
###########################################################################
# General parameters
###########################################################################
 
name = hcn10+3_930
N = 481656163308412765403614651218708598794359189399756146690661073869112900839012131985010061499036900388686771640446175627690737806643304133900246206450098561588920335412290847983165259494228429323278741
 
###########################################################################
# Polynomial selection
###########################################################################
 
tasks.polyselect.admin = 0
tasks.polyselect.admax = 0
tasks.polyselect.adrange = 0
tasks.polyselect.import = 10+3_930.poly
 
###########################################################################
# Sieve
###########################################################################
 
tasks.I = 15
tasks.qmin = 1000000
tasks.lim0 = 536000000
tasks.lim1 = 536000000
tasks.lpb0 = 32
tasks.lpb1 = 32
tasks.sieve.mfb0 = 64
tasks.sieve.mfb1 = 94
tasks.sieve.lambda0 = 2.8
tasks.sieve.lambda1 = 2.8
tasks.sieve.ncurves0 = 12
tasks.sieve.ncurves1 = 8
tasks.sieve.qrange = 5000
tasks.sieve.sqside = 1
tasks.sieve.rels_wanted = 200000000
 
###########################################################################
# Filtering
###########################################################################
 
tasks.filter.purge.keep = 160
tasks.filter.target_density = 170.0
 
###########################################################################
# Linear algebra
###########################################################################
 
tasks.linalg.bwc.interval = 1000
tasks.linalg.bwc.interleaving = 0
tasks.linalg.m = 64
tasks.linalg.n = 64
 
###########################################################################
# Characters
###########################################################################
 
tasks.linalg.characters.nchar = 50
--------------------------------
}}}}}}}}}} Latest snapshot:
---------------------------------
N = 481656163308412765403614651218708598794359189399756146690661073869112900839012131985010061499036900388686771640446175627690737806643304133900246206450098561588920335412290847983165259494228429323278741
name = hcn10+3_930
server.port = 13573
server.ssl = no
server.whitelist = 1.1.1.98,1.1.1.99,192.168.0.0/24
slaves.basepath = /home/math99/Math/snfsTesting/10+3_930/client
tasks.I = 15
tasks.execpath = /home/math99/Math/cado-nfs/build/math99
tasks.lim0 = 536000000
tasks.lim1 = 536000000
tasks.lpb0 = 32
tasks.lpb1 = 32
tasks.qmin = 1000000
tasks.threads = 24
tasks.workdir = /home/math99/Math/snfsTesting/10+3_930
tasks.filter.target_density = 170.0
tasks.filter.purge.keep = 160
tasks.linalg.m = 64
tasks.linalg.n = 64
tasks.linalg.bwc.cpubinding = /home/math99/Math/cado-nfs/parameters/misc/cpubinding.conf
tasks.linalg.bwc.interleaving = 0
tasks.linalg.bwc.interval = 1000
tasks.linalg.bwc.threads = 12
tasks.linalg.characters.nchar = 50
tasks.polyselect.admax = 0
tasks.polyselect.admin = 0
tasks.polyselect.adrange = 0
tasks.polyselect.import = 10+3_930.poly
tasks.polyselect.threads = 2
tasks.sieve.adjust_strategy = 2
tasks.sieve.mfb0 = 64
tasks.sieve.mfb1 = 94
tasks.sieve.ncurves0 = 20
tasks.sieve.ncurves1 = 20
tasks.sieve.qrange = 2000
tasks.sieve.rels_wanted = 700000000
tasks.sieve.sqside = 1
tasks.sieve.las.threads = 2
tasks.sqrt.threads = 8
------------------------------------
 
I'm building commit dc9309189 currently and will have some files in a bit.
 
Thanks for all the work.
 
Sincerely,
Edwin Hall



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