♻️ refactor: split src into internal packages and cmd

internal/render/render_bench_test.go

@@ -0,0 +1,69 @@
+package render
+
+import (
+	"path/filepath"
+	"sync/atomic"
+	"testing"
+
+	"github.com/YuzuZensai/TrollSSH/internal/tsf"
+)
+
+func loadBenchSet(b *testing.B) *tsf.FramesContainer {
+	b.Helper()
+	matches, _ := filepath.Glob("../../frames/*.tsf")
+	if len(matches) == 0 {
+		b.Skip("no .tsf frame set in ../../frames")
+	}
+	fc, err := tsf.Load(matches[0])
+	if err != nil {
+		b.Skip("failed to load frame set:", err)
+	}
+	b.Cleanup(func() { _ = fc.Close() })
+	return fc
+}
+
+func benchRender(b *testing.B, tier ColorTier, w, h int) {
+	fc := loadBenchSet(b)
+	r := NewRenderer(0, fc.ColorFrames, Options{
+		BrightnessThreshold: 40,
+		Charset:             "detailed",
+	}, nil)
+	b.ReportAllocs()
+	b.ResetTimer()
+	for i := 0; i < b.N; i++ {
+		if _, err := r.Render(i%len(fc.ColorFrames), w, h, false, tier); err != nil {
+			b.Fatal(err)
+		}
+	}
+}
+
+func BenchmarkRenderTrueColor(b *testing.B) { benchRender(b, ColorTierTrueColor, 120, 40) }
+func BenchmarkRender256(b *testing.B)       { benchRender(b, ColorTier256, 120, 40) }
+func BenchmarkRenderGray(b *testing.B)      { benchRender(b, ColorTierNone, 120, 40) }
+func BenchmarkRenderTrueBig(b *testing.B)   { benchRender(b, ColorTierTrueColor, 240, 70) }
+
+func BenchmarkRenderCachedParallel(b *testing.B) {
+	fc := loadBenchSet(b)
+	r := NewRenderer(0, fc.ColorFrames, Options{
+		BrightnessThreshold: 40,
+		Charset:             "detailed",
+	}, NewCache(8<<20))
+	frame, err := r.Render(0, 120, 40, false, ColorTierTrueColor)
+	if err != nil {
+		b.Fatal(err)
+	}
+	b.SetBytes(int64(len(frame)))
+	b.ReportAllocs()
+	var failures atomic.Uint64
+	b.ResetTimer()
+	b.RunParallel(func(pb *testing.PB) {
+		for pb.Next() {
+			if _, err := r.Render(0, 120, 40, false, ColorTierTrueColor); err != nil {
+				failures.Add(1)
+			}
+		}
+	})
+	if failures.Load() != 0 {
+		b.Fatalf("render failures: %d", failures.Load())
+	}
+}