🚀 perf: Performance and Memory optimization

internal/tsf/format.go

@@ -112,6 +112,9 @@ func Load(filename string) (*FramesContainer, error) {
 	if off != len(raw) {
 		return nil, invalid()
 	}
+
+	file.dropResident()
+
 	data := &FramesContainer{ColorFrames: colorFrames, FPS: fps}
 	frameFileOwners.Store(data, file)
 	owned = true

internal/tsf/mmap_other.go

@@ -8,3 +8,5 @@ func readFrameFile(filename string) (*frameFile, error) {
 	data, err := os.ReadFile(filename)
 	return &frameFile{data: data}, err
 }
+
+func (f *frameFile) dropResident() {}

internal/tsf/mmap_unix.go

@@ -28,6 +28,8 @@ func readFrameFile(filename string) (*frameFile, error) {
 		data, err := os.ReadFile(filename)
 		return &frameFile{data: data}, err
 	}
+
+	_ = syscall.Madvise(data, syscall.MADV_RANDOM)
 	return &frameFile{
 		data: data,
 		cleanup: func() error {
@@ -35,3 +37,10 @@ func readFrameFile(filename string) (*frameFile, error) {
 		},
 	}, nil
 }
+
+func (f *frameFile) dropResident() {
+	if f == nil || f.cleanup == nil || len(f.data) == 0 {
+		return
+	}
+	_ = syscall.Madvise(f.data, syscall.MADV_DONTNEED)
+}