dongjoon-hyun commented on a change in pull request #958:
URL: https://github.com/apache/orc/pull/958#discussion_r742425222
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File path: c++/src/LzoDecompressor.cc
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@@ -312,13 +312,11 @@ namespace orc {
output += SIZE_OF_INT;
matchAddress += increment32;
- *reinterpret_cast<int32_t*>(output) =
- *reinterpret_cast<int32_t*>(matchAddress);
+ memcpy(output, matchAddress, SIZE_OF_INT);
Review comment:
`reinterpret_cast` is a compile-time directive while `memcpy` is a
run-time operation. I'm wondering if there is a potential performance
regression.
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