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update snappy.cc Optimize by about 7.82% #103

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update snappy.cc Optimize by about 7.82% #103

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5 changes: 1 addition & 4 deletions snappy.cc
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Original file line number Diff line number Diff line change
Expand Up @@ -91,10 +91,7 @@ using internal::LITERAL;
// compression for compressible input, and more speed for incompressible
// input. Of course, it doesn't hurt if the hash function is reasonably fast
// either, as it gets called a lot.
static inline uint32_t HashBytes(uint32_t bytes, int shift) {
uint32_t kMul = 0x1e35a7bd;
return (bytes * kMul) >> shift;
}
#define HashBytes(bytes, shift) ((uint32)((bytes) * (0x1e35a7bd)) >> (shift))

size_t MaxCompressedLength(size_t source_bytes) {
// Compressed data can be defined as:
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