asubiotto commented on PR #38919:
URL: https://github.com/apache/arrow/pull/38919#issuecomment-1829723941
Results on `BenchmarkIPC`:
```
goos: darwin
goarch: arm64
pkg: github.com/apache/arrow/go/v15/arrow/ipc
│ benchmain │ benchnew
│
│ sec/op │ sec/op vs base
│
IPC/Writer/codec=plain-12 8.460µ ± 6% 8.341µ ± 1% -1.40% (p=0.009 n=6)
IPC/Reader/codec=plain-12 11.73µ ± 1% 11.66µ ± 1% ~ (p=0.240 n=6)
IPC/Writer/codec=zstd-12 1.151m ± 6% 1.096m ± 4% -4.82% (p=0.041 n=6)
IPC/Reader/codec=zstd-12 41.31µ ± 15% 37.58µ ± 6% -9.03% (p=0.015 n=6)
IPC/Writer/codec=lz4-12 16.18µ ± 5% 15.95µ ± 2% -1.46% (p=0.041 n=6)
IPC/Reader/codec=lz4-12 13.77µ ± 2% 13.70µ ± 2% ~ (p=0.394 n=6)
geomean 31.89µ 30.93µ -3.02%
│ benchmain │ benchnew
│
│ B/op │ B/op vs base
│
IPC/Writer/codec=plain-12 8.394Ki ± 0% 8.019Ki ± 0% -4.47% (p=0.002 n=6)
IPC/Reader/codec=plain-12 8.646Ki ± 0% 8.365Ki ± 0% -3.25% (p=0.002 n=6)
IPC/Writer/codec=zstd-12 35.52Mi ± 0% 35.52Mi ± 0% -0.00% (p=0.002 n=6)
IPC/Reader/codec=zstd-12 25.63Ki ± 0% 25.35Ki ± 0% -1.10% (p=0.002 n=6)
IPC/Writer/codec=lz4-12 14.17Ki ± 1% 13.77Ki ± 1% -2.78% (p=0.002 n=6)
IPC/Reader/codec=lz4-12 10.55Ki ± 0% 10.25Ki ± 0% -2.81% (p=0.002 n=6)
geomean 46.50Ki 45.38Ki -2.41%
│ benchmain │ benchnew │
│ allocs/op │ allocs/op vs base │
IPC/Writer/codec=plain-12 113.0 ± 0% 109.0 ± 0% -3.54% (p=0.002 n=6)
IPC/Reader/codec=plain-12 126.0 ± 0% 123.0 ± 0% -2.38% (p=0.002 n=6)
IPC/Writer/codec=zstd-12 271.0 ± 0% 267.0 ± 0% -1.48% (p=0.002 n=6)
IPC/Reader/codec=zstd-12 219.0 ± 0% 216.0 ± 0% -1.37% (p=0.002 n=6)
IPC/Writer/codec=lz4-12 167.0 ± 0% 163.0 ± 0% -2.40% (p=0.002 n=6)
IPC/Reader/codec=lz4-12 149.0 ± 0% 146.0 ± 0% -2.01% (p=0.002 n=6)
geomean 166.1 162.5 -2.20%
```
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