Task 24474828
log in
NameTF_75-76_257-376M_wu_195093_0
Workunit22221459
Created25 May 2025, 8:08:34 UTC
Sent8 Jun 2025, 14:35:39 UTC
Report deadline13 Jun 2025, 20:35:39 UTC
Received8 Jun 2025, 17:39:40 UTC
Server stateOver
OutcomeComputation error
Client stateCompute error
Exit status195 (0xc3) EXIT_CHILD_FAILED
Computer ID245793
Run time6 sec
CPU time
Validate stateInvalid
Credit0.00
Device peak FLOPS1,008.10 GFLOPS
Application versionTF v0.46 (cuda110)
Peak working set size117.19 MB
Peak swap size245.80 MB
Peak disk usage2.61 MB

Stderr output

<core_client_version>7.16.20</core_client_version>
<![CDATA[
<message>
(unknown error) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-06-08 13:29:44 (8836): wrapper (7.24.26018): starting
2025-06-08 13:29:44 (8836): wrapper: running mfaktc-win-64.exe (-d 0)
2025-06-08 13:29:44 (8836): wrapper: created child process 6160
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              256Mi 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  11.0
  CUDA runtime version      11.0
  CUDA driver version       11.70

CUDA device info
  name                      NVIDIA GeForce GTX 1060 6GB
  compute capability        6.1
  max threads per block     1024
  max shared memory per MP  98304 byte
  number of multiprocessors 10
  clock rate (CUDA cores)   1784MHz
  memory clock rate:        4004MHz
  memory bus width:         192 bit

Automatic parameters
  threads per grid          655360
  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=376225757 bit_min=75 bit_max=76 (20.34 GHz-days)
Starting trial factoring M376225757 from 2^75 to 2^76 (20.34 GHz-days)
 k_min =  50207795664180
 k_max =  100415591330598
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Jun 08 13:29 |    0   0.1% |  1.659  26m31s |   1103.39    82485    n.a.%
ERROR: cudaGetLastError() returned 700: an illegal memory access was encountered
2025-06-08 13:29:49 (8836): mfaktc-win-64.exe exited; CPU time 0.000000
2025-06-08 13:29:49 (8836): app exit status: 0x1
2025-06-08 13:29:49 (8836): called boinc_finish(195)

</stderr_txt>
]]>


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