Task 21041706

Name	TF_75-76_303-313M_wu_1390_0
Workunit	19228115
Created	20 Apr 2025, 9:43:32 UTC
Sent	26 Apr 2025, 18:47:54 UTC
Report deadline	2 May 2025, 0:47:54 UTC
Received	27 Apr 2025, 19:21:57 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	230339
Run time	26 sec
CPU time	2 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	199.97 GFLOPS
Application version	TF v0.43 (cuda110)
Peak working set size	85.57 MB
Peak swap size	140.17 MB
Peak disk usage	2.62 MB

Stderr output

<core_client_version>8.0.2</core_client_version>
<![CDATA[
<message>
(unknown error) (0) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-04-26 14:55:04 (248): wrapper (7.24.26018): starting
2025-04-26 14:55:04 (248): wrapper: running mfaktc-win-64.exe (-d 0)
2025-04-26 14:55:04 (248): wrapper: created child process 14936
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       11.40

CUDA device info
  name                      NVIDIA GeForce 940M
  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)   1176MHz
  memory clock rate:        900MHz
  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=303379823 bit_min=75 bit_max=76 (25.22 GHz-days)
Starting trial factoring M303379823 from 2^75 to 2^76 (25.22 GHz-days)
 k_min =  62263421949960
 k_max =  124526843906020
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Apr 26 14:55 |    0   0.1% | 19.327   5h08m |    117.45    82485    n.a.%
ERROR: cudaGetLastError() returned 702: the launch timed out and was terminated
2025-04-26 14:55:28 (248): mfaktc-win-64.exe exited; CPU time 2.359375
2025-04-26 14:55:28 (248): app exit status: 0x1
2025-04-26 14:55:28 (248): called boinc_finish(195)

</stderr_txt>
]]>