🚀 perf: make render-cache compression opt-in, default off

internal/render/render_bench_test.go

@@ -43,27 +43,35 @@ func BenchmarkRenderGray(b *testing.B)      { benchRender(b, ColorTierNone, 120,
 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)
-			}
+	for _, compress := range []bool{false, true} {
+		name := "uncompressed"
+		if compress {
+			name = "compressed"
 		}
-	})
-	if failures.Load() != 0 {
-		b.Fatalf("render failures: %d", failures.Load())
+		b.Run(name, func(b *testing.B) {
+			fc := loadBenchSet(b)
+			r := NewRenderer(0, fc.ColorFrames, Options{
+				BrightnessThreshold: 40,
+				Charset:             "detailed",
+			}, NewCache(8<<20, compress))
+			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())
+			}
+		})
 	}
 }