Task 30635913

Name	TF_75-76_433-438M_wu_85304_0
Workunit	27807940
Created	4 Aug 2025, 15:27:15 UTC
Sent	9 Aug 2025, 1:45:46 UTC
Report deadline	14 Aug 2025, 7:45:46 UTC
Received	9 Aug 2025, 2:21:09 UTC
Server state	Over
Outcome	Computation error
Client state	Compute error
Exit status	195 (0xc3) EXIT_CHILD_FAILED
Computer ID	232349
Run time	1 min 36 sec
CPU time	1 sec
Validate state	Invalid
Credit	0.00
Device peak FLOPS	307.43 GFLOPS
Application version	TF v0.43 (cuda120)
Peak working set size	87.09 MB
Peak swap size	374.03 MB
Peak disk usage	3.43 MB

Stderr output

<core_client_version>8.2.4</core_client_version>
<![CDATA[
<message>
The operating system cannot run (null).
 (0xc3) - exit code 195 (0xc3)</message>
<stderr_txt>
2025-08-08 21:49:25 (16188): wrapper (7.24.26018): starting
2025-08-08 21:49:25 (16188): wrapper: running mfaktc-win-64.exe (-d 0)
2025-08-08 21:49:25 (16188): wrapper: created child process 15552
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       12.50

CUDA device info
  name                      NVIDIA GeForce GTX 750 Ti
  compute capability        5.0
  max threads per block     1024
  max shared memory per MP  65536 byte
  number of multiprocessors 5
  CUDA cores per MP         128
  CUDA cores - total        640
  clock rate (CUDA cores)   1084MHz
  memory clock rate:        2700MHz
  memory bus width:         128 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=437746261 bit_min=75 bit_max=76 (17.48 GHz-days)
Starting trial factoring M437746261 from 2^75 to 2^76 (17.48 GHz-days)
 k_min =  43151632838160
 k_max =  86303265678737
Using GPU kernel "barrett76_mul32_gs"
Date    Time | class   Pct |   time     ETA | GHz-d/day    Sieve     Wait
Aug 08 21:49 |    0   0.1% |  9.863   2h37m |    159.51    82485    n.a.%
Aug 08 21:49 |    8   0.2% | 10.279   2h44m |    153.06    82485    n.a.%
Aug 08 21:49 |   11   0.3% | 10.836   2h52m |    145.19    82485    n.a.%
Aug 08 21:50 |   15   0.4% | 11.668   3h05m |    134.84    82485    n.a.%
Aug 08 21:50 |   20   0.5% | 10.854   2h52m |    144.95    82485    n.a.%
Aug 08 21:50 |   23   0.6% | 10.750   2h50m |    146.35    82485    n.a.%
Aug 08 21:50 |   35   0.7% | 10.751   2h50m |    146.34    82485    n.a.%
Aug 08 21:50 |   36   0.8% | 10.749   2h50m |    146.36    82485    n.a.%
Aug 08 21:50 |   39   0.9% |  6.032   1h35m |    260.82    82485    n.a.%
ERROR: cudaGetLastError() returned 702: the launch timed out and was terminated
2025-08-08 21:50:59 (16188): mfaktc-win-64.exe exited; CPU time 1.468750
2025-08-08 21:50:59 (16188): app exit status: 0x1
2025-08-08 21:50:59 (16188): called boinc_finish(195)

</stderr_txt>
]]>