[mpich-discuss] Parallel Quick sort

[Irfan Gul]

>
> Hi Any can help me to solve the problem???
I have profiled Parallel quick sort algorithm. when I run it on single
processor it give me the result ".clog2" file. but when I run it on more
than one process it gives Error and hang the Execution. the Error is given
below.
irfan at hpc:~>mpirun -np 1 ./PPPS
100

         1              19              21               44
50             79               88
       98             113             124              127
132            151             156
       175            182              195             245
250            259            262
       263             269             298             305
334            336            343
       369             385            387              387
393            398             407
       411             412             412             421
441            481              496
       523             528             531             535
538            545             560
       561             571              580            599
602            604            612
       622             650             652             663
667            684             691
       702             706            706              709
711            717             745
         754              767             767            774
774            777              786
       790             791             791             807
813            815             825
       829            833              836             856
893            897            900
       934             937             946             954
958            961             982
       983
MPI_time : 0.000
Writing logfile....
Enabling the Default clock synchronization...
Finished writing logfile ./PPPS.clog2.
irfan at hpc:~> mpirun -np 2 ./PPPS
100

Ctrl-C caught... cleaning up processes
[press Ctrl-C again to force abort]
[mpiexec at hpc] HYDT_bscu_wait_for_completion (./tools/bootstrap/utils/bscu_
wait.c:99): one of the processes terminated badly; aborting
[mpiexec at hpc] HYDT_bsci_wait_for_completion
(./tools/bootstrap/src/bsci_wait.c:18): bootstrap device returned error
waiting for completion
[mpiexec at hpc] HYD_pmci_wait_for_completion
(./pm/pmiserv/pmiserv_pmci.c:352): bootstrap server returned error waiting
for completion
[mpiexec at hpc] main (./ui/mpich/mpiexec.c:302): process manager error waiting
for completion
irfan at hpc:~>
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