mirror of https://github.com/perkeep/perkeep.git
137 lines
3.4 KiB
Go
137 lines
3.4 KiB
Go
/*
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Copyright 2013 The Camlistore AUTHORS
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package images
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import (
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"image"
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"testing"
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)
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func benchRescale(b *testing.B, w, h, thumbW, thumbH int) {
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// Most JPEGs are YCbCr, so bench with that.
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im := image.NewYCbCr(image.Rect(0, 0, w, h), image.YCbCrSubsampleRatio422)
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o := &DecodeOpts{MaxWidth: thumbW, MaxHeight: thumbH}
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sw, sh, needRescale := o.rescaleDimensions(im.Bounds(), false)
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if !needRescale {
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b.Fatal("opts.rescaleDimensions failed to indicate image needs rescale")
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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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_ = rescale(im, sw, sh)
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}
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}
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func BenchmarkRescale1000To50(b *testing.B) {
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orig, thumb := 1000, 50
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale1000To100(b *testing.B) {
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orig, thumb := 1000, 100
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale1000To200(b *testing.B) {
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orig, thumb := 1000, 200
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale1000To400(b *testing.B) {
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orig, thumb := 1000, 400
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale1000To800(b *testing.B) {
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orig, thumb := 1000, 800
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale2000To50(b *testing.B) {
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orig, thumb := 2000, 50
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale2000To100(b *testing.B) {
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orig, thumb := 2000, 100
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale2000To200(b *testing.B) {
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orig, thumb := 2000, 200
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale2000To400(b *testing.B) {
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orig, thumb := 2000, 400
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale2000To800(b *testing.B) {
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orig, thumb := 2000, 800
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale4000To50(b *testing.B) {
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orig, thumb := 4000, 50
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale4000To100(b *testing.B) {
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orig, thumb := 4000, 100
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale4000To200(b *testing.B) {
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orig, thumb := 4000, 200
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale4000To400(b *testing.B) {
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orig, thumb := 4000, 400
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale4000To800(b *testing.B) {
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orig, thumb := 4000, 800
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale8000To50(b *testing.B) {
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orig, thumb := 8000, 50
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale8000To100(b *testing.B) {
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orig, thumb := 8000, 100
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale8000To200(b *testing.B) {
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orig, thumb := 8000, 200
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale8000To400(b *testing.B) {
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orig, thumb := 8000, 400
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benchRescale(b, orig, orig, thumb, thumb)
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}
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func BenchmarkRescale8000To800(b *testing.B) {
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orig, thumb := 8000, 800
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benchRescale(b, orig, orig, thumb, thumb)
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}
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