Task 21913489
log in
NameTF_75-76_262-343M_wu_25635_0
Workunit20047908
Created27 Apr 2025, 16:50:48 UTC
Sent6 May 2025, 22:13:22 UTC
Report deadline12 May 2025, 4:13:22 UTC
Received6 May 2025, 23:48:45 UTC
Server stateOver
OutcomeComputation error
Client stateCompute error
Exit status195 (0xc3) EXIT_CHILD_FAILED
Computer ID243603
Run time10 sec
CPU time
Validate stateInvalid
Credit0.00
Device peak FLOPS210.44 GFLOPS
Application versionTF v0.43 (cuda128)
Peak working set size89.34 MB
Peak swap size370.43 MB
Peak disk usage3.55 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-05-06 16:18:14 (15412): wrapper (7.24.26018): starting
2025-05-06 16:18:14 (15412): wrapper: running mfaktc-win-64.exe (-d 0)
2025-05-06 16:18:14 (15412): wrapper: created child process 11184
mfaktc v0.23.3 (64bit built)

Compiletime options
  THREADS_PER_BLOCK         256
  SIEVE_SIZE_LIMIT          32kiB
  SIEVE_SIZE                193154bits
  SIEVE_SPLIT               250
  MORE_CLASSES              enabled

Runtime options
  SievePrimes               25000
  SievePrimesAdjust         1
  SievePrimesMin            5000
  SievePrimesMax            100000
  NumStreams                3
  CPUStreams                3
  GridSize                  3
  GPU Sieving               enabled
  GPUSievePrimes            82486
  GPUSieveSize              2047Mi bits
  GPUSieveProcessSize       16Ki bits
  Checkpoints               enabled
  CheckpointDelay           60s
  WorkFileAddDelay          disabled
  Stages                    disabled
  StopAfterFactor           bitlevel
  PrintMode                 compact
  Logging                   disabled
  V5UserID                  (none)
  ComputerID                (none)
  AllowSleep                yes
  TimeStampInResults        no

CUDA version info
  binary compiled for CUDA  12.80
  CUDA runtime version      12.80
  CUDA driver version       12.90

CUDA device info
  name                      NVIDIA GeForce 940MX
  compute capability        5.0
  max threads per block     1024
  max shared memory per MP  65536 byte
  number of multiprocessors 3
  CUDA cores per MP         128
  CUDA cores - total        384
  clock rate (CUDA cores)   1241MHz
  memory clock rate:        1001MHz
  memory bus width:         64 bit

Automatic parameters
  threads per grid          786432
  GPUSievePrimes (adjusted) 82486
  GPUsieve minimum exponent 1055144

running a simple selftest...
Selftest statistics
  number of tests           107
  successfull tests         107

selftest PASSED!

got assignment: exp=315308599 bit_min=75 bit_max=76 (24.27 GHz-days)
Starting trial factoring M315308599 from 2^75 to 2^76 (24.27 GHz-days)
 k_min =  59907868006140
 k_max =  119815736021069
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
May 06 16:18 |    0   0.1% |  3.381  54m02s |    646.01    82485    n.a.%
ERROR: cudaGetLastError() returned 702: the launch timed out and was terminated
2025-05-06 16:18:22 (15412): mfaktc-win-64.exe exited; CPU time 0.015625
2025-05-06 16:18:22 (15412): app exit status: 0x1
2025-05-06 16:18:22 (15412): called boinc_finish(195)

</stderr_txt>
]]>


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