Task 27402636
log in
NameTF_75-76_392-397M_wu_37894_0
Workunit24855391
Created27 Jun 2025, 19:40:27 UTC
Sent1 Jul 2025, 8:03:04 UTC
Report deadline6 Jul 2025, 14:03:04 UTC
Received2 Jul 2025, 10:20:40 UTC
Server stateOver
OutcomeComputation error
Client stateCompute error
Exit status195 (0xc3) EXIT_CHILD_FAILED
Computer ID204749
Run time22 sec
CPU time
Validate stateInvalid
Credit0.00
Device peak FLOPS3,684.55 GFLOPS
Application versionTF v0.43 (cuda120)
Peak working set size128.54 MB
Peak swap size488.24 MB
Peak disk usage3.43 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-07-02 19:22:09 (7500): wrapper (7.24.26018): starting
2025-07-02 19:22:09 (7500): wrapper: running mfaktc-win-64.exe (-d 0)
2025-07-02 19:22:09 (7500): wrapper: created child process 2588
mfaktc v0.23.0 (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  12.0
  CUDA runtime version      12.0
  CUDA driver version       12.10

CUDA device info
  name                      NVIDIA GeForce RTX 2070
  compute capability        7.5
  max threads per block     1024
  max shared memory per MP  65536 byte
  number of multiprocessors 36
  clock rate (CUDA cores)   1815MHz
  memory clock rate:        7001MHz
  memory bus width:         256 bit

Automatic parameters
  threads per grid          589824
  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=394085201 bit_min=75 bit_max=76 (19.42 GHz-days)
Starting trial factoring M394085201 from 2^75 to 2^76 (19.42 GHz-days)
 k_min =  47932441723320
 k_max =  95864883449295
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jul 02 19:22 |    0   0.1% |  0.938  15m00s |   1863.07    82485    n.a.%
Jul 02 19:22 |    3   0.2% |  0.943  15m03s |   1853.19    82485    n.a.%
Jul 02 19:22 |   16   0.3% |  0.941  15m01s |   1857.13    82485    n.a.%
Jul 02 19:22 |   19   0.4% |  0.941  15m00s |   1857.13    82485    n.a.%
Jul 02 19:22 |   24   0.5% |  0.950  15m07s |   1839.54    82485    n.a.%
Jul 02 19:22 |   28   0.6% |  0.950  15m06s |   1839.54    82485    n.a.%
Jul 02 19:22 |   31   0.7% |  0.961  15m16s |   1818.48    82485    n.a.%
Jul 02 19:22 |   36   0.8% |  0.961  15m15s |   1818.48    82485    n.a.%
Jul 02 19:22 |   40   0.9% |  0.955  15m08s |   1829.91    82485    n.a.%
Jul 02 19:22 |   43   1.0% |  0.956  15m08s |   1827.99    82485    n.a.%
Jul 02 19:22 |   51   1.1% |  0.952  15m03s |   1835.67    82485    n.a.%
Jul 02 19:22 |   55   1.2% |  0.961  15m11s |   1818.48    82485    n.a.%
Jul 02 19:22 |   63   1.4% |  0.964  15m13s |   1812.82    82485    n.a.%
Jul 02 19:22 |   64   1.5% |  0.951  15m00s |   1837.60    82485    n.a.%
Jul 02 19:22 |   75   1.6% |  0.823  12m58s |   2123.40    82485    n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2025-07-02 19:22:29 (7500): mfaktc-win-64.exe exited; CPU time 0.859375
2025-07-02 19:22:29 (7500): app exit status: 0x1
2025-07-02 19:22:29 (7500): called boinc_finish(195)

</stderr_txt>
]]>


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