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https://github.com/simdjson/simdjson
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ffaa292006
* Added bitexact implementations of _BitScanForward64 and _BitScanReverse64 for VS2019 32-bit builds * Added bitexact implementations of _umul128 for VS2019 x86, arm, arm64 builds * Implement mul_overflow for VS2019 arm64 builds + implement mul_overflow using __umulh (msvc/clang results: https://godbolt.org/z/smRwA7) * Added Win32 for VS2019 to .appveyor.yml * Update amalgamated headers (fix x86 builds with VS2019)
c++ -O3 -std=c++17 -pthread -o amalgamation_demo amalgamation_demo.cpp && ./amalgamation_demo ../jsonexamples/twitter.json ../jsonexamples/amazon_cellphones.ndjson