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Improve parallel load balance in the interpreter. #2313

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Sep 29, 2022
Merged

Improve parallel load balance in the interpreter. #2313

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Improve parallel load balance in the interpreter.
quentin Sep 23, 2022
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quentin Sep 28, 2022
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8 changes: 4 additions & 4 deletions src/interpreter/Engine.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -1534,7 +1534,7 @@ RamDomain Engine::evalParallelScan(
const Rel& rel, const ram::ParallelScan& cur, const ParallelScan& shadow, Context& ctxt) {
auto viewContext = shadow.getViewContext();

auto pStream = rel.partitionScan(numOfThreads);
auto pStream = rel.partitionScan(numOfThreads * 20);

PARALLEL_START
Context newCtxt(ctxt);
Expand Down Expand Up @@ -1709,7 +1709,7 @@ RamDomain Engine::evalParallelIndexScan(
CAL_SEARCH_BOUND(superInfo, low, high);

std::size_t indexPos = shadow.getViewId();
auto pStream = rel.partitionRange(indexPos, low, high, numOfThreads);
auto pStream = rel.partitionRange(indexPos, low, high, numOfThreads * 20);
PARALLEL_START
Context newCtxt(ctxt);
auto viewInfo = viewContext->getViewInfoForNested();
Expand Down Expand Up @@ -1754,7 +1754,7 @@ RamDomain Engine::evalParallelIfExists(
const Rel& rel, const ram::ParallelIfExists& cur, const ParallelIfExists& shadow, Context& ctxt) {
auto viewContext = shadow.getViewContext();

auto pStream = rel.partitionScan(numOfThreads);
auto pStream = rel.partitionScan(numOfThreads * 20);
auto viewInfo = viewContext->getViewInfoForNested();
PARALLEL_START
Context newCtxt(ctxt);
Expand Down Expand Up @@ -1818,7 +1818,7 @@ RamDomain Engine::evalParallelIndexIfExists(const Rel& rel, const ram::ParallelI
CAL_SEARCH_BOUND(superInfo, low, high);

std::size_t indexPos = shadow.getViewId();
auto pStream = rel.partitionRange(indexPos, low, high, numOfThreads);
auto pStream = rel.partitionRange(indexPos, low, high, numOfThreads * 20);

PARALLEL_START
Context newCtxt(ctxt);
Expand Down