Benchmarks comparing appending at slice via append function and set via index.
Machine MacBook Air M1 2021.
append.txt contains results of using append function.
index.txt contains results of using set via index.
go test -bench=. -benchmem -count 10 | tee index.txt
go test -bench=. -benchmem -count 10 | tee append.txtbenchstat result:
benchstat append.txt index.txtgoos: darwin
goarch: arm64
pkg: slices-bench
│ append.txt │ index.txt │
│ sec/op │ sec/op vs base │
InsertAtSlice/input_size_5-8 276.9n ± 5% 273.9n ± 2% ~ (p=0.109 n=10)
InsertAtSlice/input_size_10-8 516.2n ± 1% 504.3n ± 16% ~ (p=0.210 n=10)
InsertAtSlice/input_size_50-8 2.461µ ± 3% 2.294µ ± 4% -6.79% (p=0.000 n=10)
InsertAtSlice/input_size_100-8 4.730µ ± 2% 4.403µ ± 2% -6.91% (p=0.002 n=10)
InsertAtSlice/input_size_500-8 30.34µ ± 3% 27.93µ ± 4% -7.94% (p=0.000 n=10)
InsertAtSlice/input_size_1000-8 61.74µ ± 3% 58.81µ ± 1% -4.75% (p=0.001 n=10)
InsertAtSlice/input_size_10000-8 692.4µ ± 2% 665.7µ ± 9% ~ (p=0.436 n=10)
geomean 8.033µ 7.644µ -4.84%
│ append.txt │ index.txt │
│ B/op │ B/op vs base │
InsertAtSlice/input_size_5-8 320.0 ± 0% 320.0 ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_10-8 640.0 ± 0% 640.0 ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_50-8 3.406Ki ± 0% 3.406Ki ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_100-8 6.312Ki ± 0% 6.312Ki ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_500-8 34.94Ki ± 0% 34.94Ki ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_1000-8 70.66Ki ± 0% 70.66Ki ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_10000-8 775.9Ki ± 0% 775.9Ki ± 0% ~ (p=0.075 n=10)
geomean 9.694Ki 9.694Ki +0.00%
¹ all samples are equal
│ append.txt │ index.txt │
│ allocs/op │ allocs/op vs base │
InsertAtSlice/input_size_5-8 11.00 ± 0% 11.00 ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_10-8 21.00 ± 0% 21.00 ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_50-8 101.0 ± 0% 101.0 ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_100-8 201.0 ± 0% 201.0 ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_500-8 1.401k ± 0% 1.401k ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_1000-8 2.901k ± 0% 2.901k ± 0% ~ (p=1.000 n=10) ¹
InsertAtSlice/input_size_10000-8 29.90k ± 0% 29.90k ± 0% ~ (p=1.000 n=10) ¹
geomean 344.0 344.0 +0.00%
¹ all samples are equal
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