mirror of
https://github.com/go-sylixos/elvish.git
synced 2024-12-12 17:27:50 +08:00
1be25a240c
- Remove the Op type; it is no longer used by any code outside the eval package and its use within the package is limited. - Replace (*Evaler).execOp with (*Evaler).prepareFrame.
94 lines
1.9 KiB
Go
94 lines
1.9 KiB
Go
package eval
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import (
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"testing"
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"github.com/elves/elvish/pkg/parse"
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)
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func BenchmarkEval_Empty(b *testing.B) {
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benchmarkEval(b, "")
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}
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func BenchmarkEval_NopCommand(b *testing.B) {
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benchmarkEval(b, "nop")
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}
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func BenchmarkEval_PutCommand(b *testing.B) {
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benchmarkEval(b, "put x")
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}
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func BenchmarkEval_ForLoop100WithEmptyBody(b *testing.B) {
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benchmarkEval(b, "for x [(range 100)] { }")
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}
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func BenchmarkEval_EachLoop100WithEmptyBody(b *testing.B) {
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benchmarkEval(b, "range 100 | each [x]{ }")
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}
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func BenchmarkEval_LocalVariableAccess(b *testing.B) {
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benchmarkEval(b, "x = val; nop $x")
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}
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func BenchmarkEval_UpVariableAccess(b *testing.B) {
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benchmarkEval(b, "x = val; { nop $x }")
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}
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func benchmarkEval(b *testing.B, code string) {
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ev := NewEvaler()
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src := parse.Source{Name: "[benchmark]", Code: code}
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tree, err := parse.Parse(src)
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if err != nil {
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panic(err)
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}
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op, err := ev.compile(tree, ev.Global, nil)
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if err != nil {
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panic(err)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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fm, cleanup := ev.prepareFrame(src, EvalCfg{Global: ev.Global})
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op.exec(fm)
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cleanup()
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}
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}
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func BenchmarkOutputCapture_Overhead(b *testing.B) {
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benchmarkOutputCapture(b.N, func(fm *Frame) {})
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}
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func BenchmarkOutputCapture_Values(b *testing.B) {
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benchmarkOutputCapture(b.N, func(fm *Frame) {
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fm.OutputChan() <- "test"
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})
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}
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func BenchmarkOutputCapture_Bytes(b *testing.B) {
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bytesToWrite := []byte("test")
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benchmarkOutputCapture(b.N, func(fm *Frame) {
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fm.OutputFile().Write(bytesToWrite)
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})
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}
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func BenchmarkOutputCapture_Mixed(b *testing.B) {
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bytesToWrite := []byte("test")
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benchmarkOutputCapture(b.N, func(fm *Frame) {
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fm.OutputChan() <- false
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fm.OutputFile().Write(bytesToWrite)
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})
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}
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func benchmarkOutputCapture(n int, f func(*Frame)) {
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ev := NewEvaler()
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fm := &Frame{Evaler: ev, local: ev.Global, up: new(Ns)}
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for i := 0; i < n; i++ {
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fm.CaptureOutput(func(fm *Frame) error {
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f(fm)
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return nil
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})
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}
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}
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