ECM memory usage calculation too low

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Re: ECM memory usage calculation too low

Unread postby yoyo » 19.01.2011 05:50

Yes it crashes on all Windows systems. Only Linux64 is able to finish it.
Nenym, it is sufficient if you post the last 100 lines of the out file.
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Re: ECM memory usage calculation too low

Unread postby nenym » 19.01.2011 06:45

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Re: ECM memory usage calculation too low

Unread postby Crystal Pellet » 19.01.2011 07:44

My standalone test crashed after > 2 hours.
The process demands >3.3GB memory. Memory leak?
2 output files. out = 1,464,453kB and checkpnt = 222kB
Image
Last lines of the out-file:
26955076415267588084199598222081275087176044423961172687949259886235299512379336261872680392131436633591280495778301267693198005435067746758011425159502716848586369193478705149091268034867351311832552577700414624816116614951468543002493000726854778128361397836452333093653165787209571455211328543826384848644317264900248952899408303651376109972936909251268609040682836023451805149411682030742927476295386587012276224414547882494832476896286857316905891863647034734394265383701965632427349930394289240094704154112322861353712466159894617209853287272097470660733544642157061144862336542299878488987774809763521438867784547194435349168439702262634301435218183310843204937131438352806006683544319232636304185074737929829577264964692738880786740869378331234179739521061880499676645363537866661231233623576001324974966647435016680028991889541871721669553467447158107388774605354058558865526398444089280446988687425391652994298060936978419680200534716718556924047982194002141407118667429473292765306382420099895981999350175520177462344643537592117713692980106184566475161831560172471886763487750706964654299004511352479587218841369213843405833630422780553346241623748187055578103590773570708563730702727242227298514831686849986318737308174276044839514978426009695411883284643470302383759851360898953355408615071373293944487383935778029379958952638009033830570651412514079306143902673592526919615080296935726906571797600220646257399312459035556529230818626370188933584620196071486468474608245548544076475458669600029367382824684738366957356728409928794255488987154882392476545788664022197096384158306030361625170652590560802247429670317017703389435274189547559589144544038981403201936475281069876004150057826149909702123200532386262868581687232880030545286592766893835435430189679041041189789193817037805610798754101059328052948872218029914786935287326992219497065336454393253164868971593103696300626117417916259629335769276819637147606208865842270665000387688053640087569617696567400076790569433387063389366196764799763917765465378418989984850813547464313571840431222664274984332782553297671571773130435853121533963795384151859769073920356269635768356307673467593068373762061857718493424185048657049091182614460932149047302083901354304920312019935664284684000540372933159916640647933996884101163540383177232306346910050869807192186833660734724384071054138234180440210133014288035925691963149215178218571173700093996579473169255045630126534577159313584716701462941905397709526235463144820555939095953373395373424383978185563942286755963536534456745245887570684137071924635711909514223423283429506480477062103703872413465019719439463262398728182352317973039007952421789755624894264972207430066152232038447553844282553079084927907497540280119000415577312100909179760142640945365958298455468677917180279642943051727586328466450532548494815642777952871010535898863978744002084621930142643998759965202969870129675407713096596102607387898092913081323131075920413912245674063738939217144435126807543000780599220867810477469856971625704338066424248561062608139649527089649043701070091740689702363881390746442907255292473025101043840796822059272927838099865291702418820841850591852588666241382414260011226224949620644976170073973334505138631268911830164142490873075363233418231466016531502615040802515415333472661929844108804199182127888921480719849914631035624176621108994160080955933180949940041775775388308428790676921964715049340769639745269611202888145469216890407147085835551346194812834904500806654090105366921390324223358488283199418331072139203736471024015260346342532903830848658012949648888622454487515531425155426602762227989746944257250717602448376915183459742032878662251595687697474776785008631381400534287422184792322134219519431444963792365359808352744736999596193494302720615455495419979722598748415397705957242595791473506389389817938478452447527714688557693424815632807827160504323713508093220355777997491123018523459812966093955378468961164490076963325270861357057313957687607119340356483910849208320435603209615893450749762875870536699625302127141230605292253277353274264409864252095163633537897016952069966141981963005400770889932595958548604038839587165749932873506178112271037958936153143060166170116199149544754669106430037577498756287849948475718900013841523507330606393742584657008298750565966789528838218086040399558273184680780883630735447674935011981117395558805836179523594370255994882479900897353539667699383217585895688985250930896633469384319286812400160235076567566306498483982268930151951983727122772755663950971802310530383668929115436630993029268754814887589695304240046616087284772769820205466393619184470121335866198748364732243322046907695730676065173439278594375581554813600710906374161242101170361547911409887073442838719624185944270464561586132002110027469764721957648586686064546223921384652560164657997607120383275526006924299561911176958931055857295052290680269304936777913786755120797484556018731081310949007175358376759105741831947012397256039525872441394171110886583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* x^2879)
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Re: ECM memory usage calculation too low

Unread postby Crystal Pellet » 19.01.2011 09:13

@yoyo:

It's time to take a decision.

Most of the ecm tasks are sent to Windows-machines and all P216091 of this batch are erroring out there.
With your max error setting of 30 most tasks will distributed 30 times (if not all crunchers have set Yoyo to NNW): an enormous waste of computing power.
Do you have the possibility to send these tasks to Linux only?
Do you have a solution for the Windows-machines?

Else you should abort this whole batch.
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Re: ECM memory usage calculation too low

Unread postby yoyo » 19.01.2011 19:42

I aborted the batch.
But I need your help to find the issue.
On a Windows 64 bit system please:
- create a new directory
- copy the in file into it
a) run this 6.2.3 ecm exe
b) run this 6.3 ecm.exe
- run it on the command line with:
Code: Select all
ecm.exe -v -v -v -v -nn -timestamp -chkpnt checkpnt -inp in 250000 > out


Afterwards post the last lines of the "out" file and some information of you hardware (cpu, ram) and oprating system.

much thanks,
yoyo
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Re: ECM memory usage calculation too low

Unread postby Crystal Pellet » 19.01.2011 21:32

I suppose, I can run it simultaneously from 2 separated directories with about 1 hours different starttime on my AMD Phenom I 9350e with 4GB mem and Vista64 OS. The same machine as my standalone last night.
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Re: ECM memory usage calculation too low

Unread postby yoyo » 19.01.2011 21:38

Without -maxmem it will require ~3.8 GB ram.
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Re: ECM memory usage calculation too low

Unread postby Crystal Pellet » 19.01.2011 21:43

OK, 4GB is too less for this test. Fortunately I've an Intel Q8300 Vista64 here with 8GB, but on Intel it will run much slower.
Shall I do the test there then?

Edith says: Or shall I use the maxmem parameter?
Last edited by Crystal Pellet on 19.01.2011 21:45, edited 1 time in total.
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Re: ECM memory usage calculation too low

Unread postby yoyo » 19.01.2011 21:44

Yes, please.
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Re: ECM memory usage calculation too low

Unread postby Crystal Pellet » 19.01.2011 21:46

So the answer on Edith's question is: NO?
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Re: ECM memory usage calculation too low

Unread postby yoyo » 19.01.2011 21:50

You can also use -maxmem 1800.
As you want.
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Re: ECM memory usage calculation too low

Unread postby Crystal Pellet » 19.01.2011 21:57

I will use the -maxmem 1800 parameter, because this will be the practice situation you want to use, I suppose.

If it fails (It's too late now for watching the results of the first tests), I can retry it on the Q8300 without the -maxmem parameter.
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