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Bug fix: set hint nc_ibuf_size based on user's info #161

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merged 1 commit into from
Nov 29, 2024
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Bug fix: set hint nc_ibuf_size based on user's info #161

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3 changes: 1 addition & 2 deletions src/drivers/ncmpio/ncmpio_util.c
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Original file line number Diff line number Diff line change
Expand Up @@ -136,7 +136,6 @@ void ncmpio_set_pnetcdf_hints(NC *ncp,
}
MPI_Info_set(info_used, "nc_in_place_swap", value);

ncp->ibuf_size = PNC_DEFAULT_IBUF_SIZE;
if (user_info != MPI_INFO_NULL) {
/* temporal buffer size used to pack noncontiguous aggregated user
* buffers when calling ncmpi_wait/wait_all, Default 16 MiB
Expand All @@ -147,7 +146,7 @@ void ncmpio_set_pnetcdf_hints(NC *ncp,
MPI_Offset ibuf_size;
errno = 0; /* errno must set to zero before calling strtoll */
ibuf_size = strtoll(value, NULL, 10);
if (errno == 0 && ncp->ibuf_size > 0) ncp->ibuf_size = ibuf_size;
if (errno == 0 && ibuf_size > 0) ncp->ibuf_size = ibuf_size;
}
}
sprintf(value, "%lld", ncp->ibuf_size);
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