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WorkQueue#ParallelFor(): allocate lambda once per thread, not once per item

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This commit is contained in:
Alexander A. Klimov 2022-11-09 12:18:21 +01:00
parent f59f361f09
commit ba62c665aa
1 changed files with 7 additions and 4 deletions
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11
lib/base/workqueue.hpp
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@ -89,10 +89,13 @@ public:
count++; count++;
EnqueueUnlocked(lock, [&items, func, offset, count, this]() { EnqueueUnlocked(lock, [&items, func, offset, count, this]() {
for (SizeType j = offset; j < offset + count; j++) { SizeType j;
RunTaskFunction([&func, &items, j]() { TaskFunction f = [&func, &items, &j]() {
func(items[j]); func(items[j]);
}); };
for (j = offset; j < offset + count; j++) {
RunTaskFunction(f);
} }
}); });