diff options
Diffstat (limited to 'src/cmd/compile/internal/big/natconv_test.go')
| -rw-r--r-- | src/cmd/compile/internal/big/natconv_test.go | 133 |
1 files changed, 45 insertions, 88 deletions
diff --git a/src/cmd/compile/internal/big/natconv_test.go b/src/cmd/compile/internal/big/natconv_test.go index 028e5a858e..79901d1880 100644 --- a/src/cmd/compile/internal/big/natconv_test.go +++ b/src/cmd/compile/internal/big/natconv_test.go @@ -6,6 +6,7 @@ package big import ( "bytes" + "fmt" "io" "strings" "testing" @@ -273,102 +274,58 @@ func BenchmarkStringPiParallel(b *testing.B) { }) } -func BenchmarkScan10Base2(b *testing.B) { ScanHelper(b, 2, 10, 10) } -func BenchmarkScan100Base2(b *testing.B) { ScanHelper(b, 2, 10, 100) } -func BenchmarkScan1000Base2(b *testing.B) { ScanHelper(b, 2, 10, 1000) } -func BenchmarkScan10000Base2(b *testing.B) { ScanHelper(b, 2, 10, 10000) } -func BenchmarkScan100000Base2(b *testing.B) { ScanHelper(b, 2, 10, 100000) } - -func BenchmarkScan10Base8(b *testing.B) { ScanHelper(b, 8, 10, 10) } -func BenchmarkScan100Base8(b *testing.B) { ScanHelper(b, 8, 10, 100) } -func BenchmarkScan1000Base8(b *testing.B) { ScanHelper(b, 8, 10, 1000) } -func BenchmarkScan10000Base8(b *testing.B) { ScanHelper(b, 8, 10, 10000) } -func BenchmarkScan100000Base8(b *testing.B) { ScanHelper(b, 8, 10, 100000) } - -func BenchmarkScan10Base10(b *testing.B) { ScanHelper(b, 10, 10, 10) } -func BenchmarkScan100Base10(b *testing.B) { ScanHelper(b, 10, 10, 100) } -func BenchmarkScan1000Base10(b *testing.B) { ScanHelper(b, 10, 10, 1000) } -func BenchmarkScan10000Base10(b *testing.B) { ScanHelper(b, 10, 10, 10000) } -func BenchmarkScan100000Base10(b *testing.B) { ScanHelper(b, 10, 10, 100000) } - -func BenchmarkScan10Base16(b *testing.B) { ScanHelper(b, 16, 10, 10) } -func BenchmarkScan100Base16(b *testing.B) { ScanHelper(b, 16, 10, 100) } -func BenchmarkScan1000Base16(b *testing.B) { ScanHelper(b, 16, 10, 1000) } -func BenchmarkScan10000Base16(b *testing.B) { ScanHelper(b, 16, 10, 10000) } -func BenchmarkScan100000Base16(b *testing.B) { ScanHelper(b, 16, 10, 100000) } - -func ScanHelper(b *testing.B, base int, x, y Word) { - b.StopTimer() - var z nat - z = z.expWW(x, y) - - s := z.utoa(base) - if t := itoa(z, base); !bytes.Equal(s, t) { - b.Fatalf("scanning: got %s; want %s", s, t) +func BenchmarkScan(b *testing.B) { + const x = 10 + for _, base := range []int{2, 8, 10, 16} { + for _, y := range []Word{10, 100, 1000, 10000, 100000} { + b.Run(fmt.Sprintf("%d/Base%d", y, base), func(b *testing.B) { + b.StopTimer() + var z nat + z = z.expWW(x, y) + + s := z.utoa(base) + if t := itoa(z, base); !bytes.Equal(s, t) { + b.Fatalf("scanning: got %s; want %s", s, t) + } + b.StartTimer() + + for i := 0; i < b.N; i++ { + z.scan(bytes.NewReader(s), base, false) + } + }) + } } - b.StartTimer() +} - for i := 0; i < b.N; i++ { - z.scan(bytes.NewReader(s), base, false) +func BenchmarkString(b *testing.B) { + const x = 10 + for _, base := range []int{2, 8, 10, 16} { + for _, y := range []Word{10, 100, 1000, 10000, 100000} { + b.Run(fmt.Sprintf("%d/Base%d", y, base), func(b *testing.B) { + b.StopTimer() + var z nat + z = z.expWW(x, y) + z.utoa(base) // warm divisor cache + b.StartTimer() + + for i := 0; i < b.N; i++ { + _ = z.utoa(base) + } + }) + } } } -func BenchmarkString10Base2(b *testing.B) { StringHelper(b, 2, 10, 10) } -func BenchmarkString100Base2(b *testing.B) { StringHelper(b, 2, 10, 100) } -func BenchmarkString1000Base2(b *testing.B) { StringHelper(b, 2, 10, 1000) } -func BenchmarkString10000Base2(b *testing.B) { StringHelper(b, 2, 10, 10000) } -func BenchmarkString100000Base2(b *testing.B) { StringHelper(b, 2, 10, 100000) } - -func BenchmarkString10Base8(b *testing.B) { StringHelper(b, 8, 10, 10) } -func BenchmarkString100Base8(b *testing.B) { StringHelper(b, 8, 10, 100) } -func BenchmarkString1000Base8(b *testing.B) { StringHelper(b, 8, 10, 1000) } -func BenchmarkString10000Base8(b *testing.B) { StringHelper(b, 8, 10, 10000) } -func BenchmarkString100000Base8(b *testing.B) { StringHelper(b, 8, 10, 100000) } - -func BenchmarkString10Base10(b *testing.B) { StringHelper(b, 10, 10, 10) } -func BenchmarkString100Base10(b *testing.B) { StringHelper(b, 10, 10, 100) } -func BenchmarkString1000Base10(b *testing.B) { StringHelper(b, 10, 10, 1000) } -func BenchmarkString10000Base10(b *testing.B) { StringHelper(b, 10, 10, 10000) } -func BenchmarkString100000Base10(b *testing.B) { StringHelper(b, 10, 10, 100000) } - -func BenchmarkString10Base16(b *testing.B) { StringHelper(b, 16, 10, 10) } -func BenchmarkString100Base16(b *testing.B) { StringHelper(b, 16, 10, 100) } -func BenchmarkString1000Base16(b *testing.B) { StringHelper(b, 16, 10, 1000) } -func BenchmarkString10000Base16(b *testing.B) { StringHelper(b, 16, 10, 10000) } -func BenchmarkString100000Base16(b *testing.B) { StringHelper(b, 16, 10, 100000) } - -func StringHelper(b *testing.B, base int, x, y Word) { - b.StopTimer() - var z nat - z = z.expWW(x, y) - z.utoa(base) // warm divisor cache - b.StartTimer() - - for i := 0; i < b.N; i++ { - _ = z.utoa(base) +func BenchmarkLeafSize(b *testing.B) { + for n := 0; n <= 16; n++ { + b.Run(fmt.Sprint(n), func(b *testing.B) { LeafSizeHelper(b, 10, n) }) + } + // Try some large lengths + for _, n := range []int{32, 64} { + b.Run(fmt.Sprint(n), func(b *testing.B) { LeafSizeHelper(b, 10, n) }) } } -func BenchmarkLeafSize0(b *testing.B) { LeafSizeHelper(b, 10, 0) } // test without splitting -func BenchmarkLeafSize1(b *testing.B) { LeafSizeHelper(b, 10, 1) } -func BenchmarkLeafSize2(b *testing.B) { LeafSizeHelper(b, 10, 2) } -func BenchmarkLeafSize3(b *testing.B) { LeafSizeHelper(b, 10, 3) } -func BenchmarkLeafSize4(b *testing.B) { LeafSizeHelper(b, 10, 4) } -func BenchmarkLeafSize5(b *testing.B) { LeafSizeHelper(b, 10, 5) } -func BenchmarkLeafSize6(b *testing.B) { LeafSizeHelper(b, 10, 6) } -func BenchmarkLeafSize7(b *testing.B) { LeafSizeHelper(b, 10, 7) } -func BenchmarkLeafSize8(b *testing.B) { LeafSizeHelper(b, 10, 8) } -func BenchmarkLeafSize9(b *testing.B) { LeafSizeHelper(b, 10, 9) } -func BenchmarkLeafSize10(b *testing.B) { LeafSizeHelper(b, 10, 10) } -func BenchmarkLeafSize11(b *testing.B) { LeafSizeHelper(b, 10, 11) } -func BenchmarkLeafSize12(b *testing.B) { LeafSizeHelper(b, 10, 12) } -func BenchmarkLeafSize13(b *testing.B) { LeafSizeHelper(b, 10, 13) } -func BenchmarkLeafSize14(b *testing.B) { LeafSizeHelper(b, 10, 14) } -func BenchmarkLeafSize15(b *testing.B) { LeafSizeHelper(b, 10, 15) } -func BenchmarkLeafSize16(b *testing.B) { LeafSizeHelper(b, 10, 16) } -func BenchmarkLeafSize32(b *testing.B) { LeafSizeHelper(b, 10, 32) } // try some large lengths -func BenchmarkLeafSize64(b *testing.B) { LeafSizeHelper(b, 10, 64) } - func LeafSizeHelper(b *testing.B, base, size int) { b.StopTimer() originalLeafSize := leafSize |