mapleFU commented on PR #39807:
URL: https://github.com/apache/arrow/pull/39807#issuecomment-2009845233
On My 3800X in wsl2 Ubuntu 22 and gcc11.4
Before:
```
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
2907 ns 2951 ns 236137
bytes_per_second=722.253Mi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
14712 ns 14757 ns 47026 bytes_per_second=1.20586Gi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
15105 ns 15141 ns 46329 bytes_per_second=1.17528Gi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
291833 ns 292024 ns 2367 bytes_per_second=974.669Mi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
299113 ns 299305 ns 2342 bytes_per_second=950.959Mi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
302720 ns 302917 ns 2305 bytes_per_second=939.621Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
3395 ns 3430 ns 204188 bytes_per_second=621.394Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
16068 ns 16115 ns 43575 bytes_per_second=1.10422Gi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
16481 ns 16520 ns 42656 bytes_per_second=1.07716Gi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
302145 ns 302352 ns 2330 bytes_per_second=941.375Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
306038 ns 306229 ns 2286 bytes_per_second=929.459Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
310153 ns 310357 ns 2262 bytes_per_second=917.094Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
2942 ns 2984 ns 234527
bytes_per_second=714.399Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
16035 ns 16081 ns 43395 bytes_per_second=1.10658Gi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
15628 ns 15666 ns 44262 bytes_per_second=1.13587Gi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
310841 ns 311057 ns 2227 bytes_per_second=915.031Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
304648 ns 304836 ns 2269 bytes_per_second=933.704Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
299733 ns 299932 ns 2299 bytes_per_second=948.972Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
3581 ns 3619 ns 195202 bytes_per_second=589.04Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
17593 ns 17636 ns 39367 bytes_per_second=1.009Gi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
17029 ns 17068 ns 41040 bytes_per_second=1.04259Gi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
320371 ns 320586 ns 2140 bytes_per_second=887.834Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
317159 ns 317359 ns 2200 bytes_per_second=896.861Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
309201 ns 309384 ns 2258 bytes_per_second=919.979Mi/s
```
After:
```
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
2761 ns 2795 ns 247733
bytes_per_second=762.723Mi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
14625 ns 14666 ns 46769 bytes_per_second=1.21333Gi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
15123 ns 15160 ns 46801 bytes_per_second=1.17383Gi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
288348 ns 288527 ns 2423 bytes_per_second=986.484Mi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
294416 ns 294585 ns 2367 bytes_per_second=966.197Mi/s
CompressionInputZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
297685 ns 297902 ns 2349 bytes_per_second=955.438Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
3194 ns 3226 ns 216546 bytes_per_second=660.737Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
15455 ns 15497 ns 45292 bytes_per_second=1.14826Gi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
16032 ns 16067 ns 43646 bytes_per_second=1.10751Gi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
295400 ns 295587 ns 2352 bytes_per_second=962.921Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
297931 ns 298102 ns 2336 bytes_per_second=954.796Mi/s
CompressionInputNonZeroCopyBenchmarkIntoBuffer<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
300221 ns 300394 ns 2322 bytes_per_second=947.512Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
2849 ns 2881 ns 241315
bytes_per_second=739.774Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
15588 ns 15629 ns 44292 bytes_per_second=1.13861Gi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
15303 ns 15335 ns 45736 bytes_per_second=1.16039Gi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
307433 ns 307581 ns 2290 bytes_per_second=925.372Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
302313 ns 302499 ns 2316 bytes_per_second=940.92Mi/s
CompressionInputZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
296901 ns 297087 ns 2366 bytes_per_second=958.061Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:8192/PerReadBytes:8192
3208 ns 3244 ns 216204 bytes_per_second=656.994Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:8192
16401 ns 16444 ns 42091 bytes_per_second=1.08215Gi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:65536/PerReadBytes:65536
16093 ns 16129 ns 44188 bytes_per_second=1.10331Gi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:8192
312056 ns 312247 ns 2243 bytes_per_second=911.544Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:65536
306802 ns 306988 ns 2288 bytes_per_second=927.16Mi/s
CompressionInputNonZeroCopyBenchmarkDirectRead<::arrow::Compression::LZ4_FRAME>/InputBytes:1048576/PerReadBytes:1048576
306993 ns 307203 ns 2268 bytes_per_second=926.512Mi/s
```
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