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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2021/08/02 14:39:32 UTC
[GitHub] [arrow] gcca commented on pull request #10846: ARROW 13473: [C++] Add super-scalar impl for BitUtil::SetBitTo
gcca commented on pull request #10846:
URL: https://github.com/apache/arrow/pull/10846#issuecomment-891081791
@nirandaperera: these are the results when running the benchmarks
**Current version**
|Benchmark | Time | CPU | Iterations |UserCounters |
|------------------------|---------------------------------------|----------|--------------|----------|
|BenchmarkBitmapVisitBitsetAnd/32768/0 | 57776803 ns | 57772660 ns | 11 | bytes_per_second=553.895k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/0 | 232098279 ns | 232094670 ns | 3 | bytes_per_second=551.499k/s|
|BenchmarkBitmapVisitBitsetAnd/32768/0 | 57848824 ns | 57843817 ns | 12| bytes_per_second=553.214k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/0 | 234126020 ns | 234115416 ns | 3 |bytes_per_second=546.739k/s|
|BenchmarkBitmapVisitBitsetAnd/32768/1 | 61148854 ns | 61148534 ns | 10| bytes_per_second=523.316k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/1 | 244266155 ns | 244259941 ns | 3 |bytes_per_second=524.032k/s|
|BenchmarkBitmapVisitBitsetAnd/32768/2 | 61629097 ns | 61623725 ns | 11 |bytes_per_second=519.281k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/2 | 247708290 ns | 247696540 ns | 3| bytes_per_second=516.761k/s|
**Superscalar CPU version**
|Benchmark | Time | CPU | Iterations |UserCounters|
|----------------------------|---------------------------------|------------|--------------|----------|
|BenchmarkBitmapVisitBitsetAnd/32768/0 |58131617 ns | 58130347 ns | 12 |bytes_per_second=550.487k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/0 |233650397 ns | 233636376 ns | 3| bytes_per_second=547.86k/s|
|BenchmarkBitmapVisitBitsetAnd/32768/0 |58134623 ns | 58133313 ns | 12 |bytes_per_second=550.459k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/0 |232643208 ns | 232640618 ns | 3| bytes_per_second=550.205k/s|
|BenchmarkBitmapVisitBitsetAnd/32768/1 | 61623058 ns | 61614097 ns | 11| bytes_per_second=519.362k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/1 |251259627 ns | 251242745 ns | 3 |bytes_per_second=509.467k/s|
|BenchmarkBitmapVisitBitsetAnd/32768/2 |62266910 ns | 62259970 ns | 12| bytes_per_second=513.974k/s|
|BenchmarkBitmapVisitBitsetAnd/131072/2 | 246426455 ns | 246412586 ns | 3| bytes_per_second=519.454k/s|
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