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HFI1: use process rank for SDMA engine selection

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This commit is contained in:
Balazs Gerofi
2017-08-23 10:17:36 +09:00
parent bd170e63ba
commit abdbf96254
1 changed files with 7 additions and 1 deletions
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8
kernel/sdma.c
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@ -923,7 +923,13 @@ struct sdma_engine *sdma_select_user_engine(struct hfi1_devdata *dd,
out:
return sdma_select_engine_vl(dd, selector, vl);
#else
return &dd->per_sdma[ihk_mc_get_processor_id() % 16];
/* Hash on rank for MPI jobs */
if (cpu_local_var(current)->proc->nr_processes > 1) {
return &dd->per_sdma[cpu_local_var(current)->proc->process_rank % 16];
}
else {
return &dd->per_sdma[ihk_mc_get_processor_id() % 16];
}
#endif /* __HFI1_ORIG__ */
}
#ifdef __HFI1_ORIG__