89 lines
1.8 KiB
Go
89 lines
1.8 KiB
Go
// Copyright 2019 Montgomery Edwards⁴⁴⁸ and Faye Amacker
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package half_test
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import (
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"math"
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"testing"
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float16 "git.andr3h3nriqu3s.com/andr3/gotch/half"
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)
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// prevent compiler optimizing out code by assigning to these
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var resultF16 float16.Float16
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var resultF32 float32
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var resultStr string
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var pcn float16.Precision
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func BenchmarkFloat32pi(b *testing.B) {
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result := float32(0)
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pi32 := float32(math.Pi)
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pi16 := float16.Fromfloat32(pi32)
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for i := 0; i < b.N; i++ {
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f16 := float16.Frombits(uint16(pi16))
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result = f16.Float32()
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}
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resultF32 = result
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}
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func BenchmarkFrombits(b *testing.B) {
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result := float16.Float16(0)
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pi32 := float32(math.Pi)
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pi16 := float16.Fromfloat32(pi32)
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for i := 0; i < b.N; i++ {
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result = float16.Frombits(uint16(pi16))
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}
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resultF16 = result
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}
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func BenchmarkFromFloat32pi(b *testing.B) {
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result := float16.Float16(0)
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pi := float32(math.Pi)
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for i := 0; i < b.N; i++ {
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result = float16.Fromfloat32(pi)
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}
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resultF16 = result
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}
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func BenchmarkFromFloat32nan(b *testing.B) {
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result := float16.Float16(0)
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nan := float32(math.NaN())
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for i := 0; i < b.N; i++ {
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result = float16.Fromfloat32(nan)
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}
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resultF16 = result
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}
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func BenchmarkFromFloat32subnorm(b *testing.B) {
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result := float16.Float16(0)
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subnorm := math.Float32frombits(0x007fffff)
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for i := 0; i < b.N; i++ {
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result = float16.Fromfloat32(subnorm)
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}
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resultF16 = result
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}
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func BenchmarkPrecisionFromFloat32(b *testing.B) {
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var result float16.Precision
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for i := 0; i < b.N; i++ {
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f32 := float32(0.00001) + float32(0.00001)
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result = float16.PrecisionFromfloat32(f32)
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}
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pcn = result
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}
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func BenchmarkString(b *testing.B) {
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var result string
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pi32 := float32(math.Pi)
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pi16 := float16.Fromfloat32(pi32)
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for i := 0; i < b.N; i++ {
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result = pi16.String()
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}
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resultStr = result
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}
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