Looks like defined(_OPENMP) is what's known in the MSVC(2019) world…
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…: added that one as another enabling condition since benchmarks have shown MSVC2019's `/openmp:experimental` to deliver. :-) (See tesseract-ocr#3486 benchmark reports on @stweil's DotProductNative() implementation)
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Don't know if this is useful elsewhere; at least this keeps that important
#pragma opm...visible to my compiler (MSVC2019 tesseract project).What's also mandatory for MSVC to see and act on this #pragma is the compiler option:
/openmp:experimental. Without it, no joy on this here dev box. 😉 (That's latest MSVC2019; see also blog article from MS: https://devblogs.microsoft.com/cppblog/improved-openmp-support-for-cpp-in-visual-studio/SHA-1: d025c78
defined(_OPENMP)is what's known in the MSVC(2019) world: added that one as another enabling condition since benchmarks have shown MSVC2019's/openmp:experimentalto deliver. 😄 (See Add TFloat data type for neural network tesseract-ocr/tesseract#3486 (comment) benchmark reports on @stweil's DotProductNative() implementation)