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cpuguy83/gist:530e8a40eb03dc08c4072686cfaff053

Last active January 22, 2019 17:49
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splice vs userspace copy on containerd/fifo using Go
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gistfile1.txt
goos: linux
goarch: amd64
pkg: github.com/containerd/fifo
BenchmarkRawCopy/8B-4 300000 4869 ns/op 1.44 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/16B-4 300000 4688 ns/op 3.20 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/32B-4 300000 4312 ns/op 7.19 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/64B-4 300000 4447 ns/op 14.16 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/1024B-4 300000 4415 ns/op 231.66 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/4096B-4 300000 4410 ns/op 928.50 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/8192B-4 300000 5215 ns/op 1570.37 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/16384B-4 300000 4576 ns/op 3579.48 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/32768B-4 300000 4456 ns/op 7353.41 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/65536B-4 200000 8266 ns/op 7927.84 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/131072B-4 200000 9898 ns/op 13241.46 MB/s 176 B/op 8 allocs/op
BenchmarkRawCopy/262144B-4 200000 10128 ns/op 25882.03 MB/s 176 B/op 8 allocs/op
BenchmarkUserCopy/8B-4 200000 5444 ns/op 1.29 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/16B-4 300000 5185 ns/op 2.89 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/32B-4 300000 5449 ns/op 5.69 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/64B-4 300000 5323 ns/op 11.83 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/1024B-4 300000 5274 ns/op 193.96 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/4096B-4 300000 5659 ns/op 723.60 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/8192B-4 200000 7497 ns/op 1092.45 MB/s 314 B/op 1 allocs/op
BenchmarkUserCopy/16384B-4 200000 8937 ns/op 1833.03 MB/s 315 B/op 1 allocs/op
BenchmarkUserCopy/32768B-4 200000 11316 ns/op 2895.61 MB/s 317 B/op 1 allocs/op
BenchmarkUserCopy/65536B-4 30000 39180 ns/op 1672.64 MB/s 613 B/op 1 allocs/op
BenchmarkUserCopy/131072B-4 20000 57826 ns/op 2266.63 MB/s 623 B/op 1 allocs/op
BenchmarkUserCopy/262144B-4 10000 110779 ns/op 2366.36 MB/s 660 B/op 1 allocs/op
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