ARROW-1928: [C++] Add BitmapReader/BitmapWriter benchmarks#1915
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pitrou wants to merge 1 commit intoapache:masterfrom
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ARROW-1928: [C++] Add BitmapReader/BitmapWriter benchmarks#1915pitrou wants to merge 1 commit intoapache:masterfrom
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Also improve the BitmapWriter implementation (around 18% faster here)
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Benchmark numbers here: The original BitmapWriter implementation achieved 155MB/s. |
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Also improve the BitmapWriter implementation (around 18% faster here - on Ubuntu 16.04 with gcc 4.9).
I experimented with a different implementation for BitmapReader (storing the bit mask instead of the bit offset), but it came out surprisingly slower.