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Make the loop iterating over multiple parquet files parallel #4952

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Make the loop iterating over multiple parquet files parallel #4952

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Make the loop iterating over multiple parquet files parallel
e-kayrakli Sep 25, 2025
545eec5
Merge branch 'main' into parquet-parallel-multifile
ajpotts Feb 9, 2026
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4 changes: 3 additions & 1 deletion src/ParquetMsg.chpl
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Original file line number Diff line number Diff line change
Expand Up @@ -1288,7 +1288,9 @@ module ParquetMsg {

const ref DataDom = getDomain(e);

for (off, filedom, filename) in zip(this.offsets, subdoms, this.filenames) {
forall (off, filedom, filename) in zip(this.offsets,
subdoms,
this.filenames) with (ref this) {
for locdom in DataDom.localSubdomains() {
const intersection = domain_intersection(locdom, filedom);
if intersection.size > 0 {
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