Move output.csv file open to the the main function and limit to rank 0 #132
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This avoids opening the file in all ranks, causing file open contention between ranks. Contention increases with rank count and stripe count. Proposed partial fix for hpc-io#131 for base write benchmarks.
jeanbez
requested changes
Jul 28, 2025
jeanbez
added
enhancement
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This avoids opening the file in all ranks, causing file open contention between ranks. Contention increases with rank count and stripe count.
Proposed partial fix for #131 for base write benchmarks.