Finish unwinding idempotent payload logic

The recent ROCm change partially removed idempotent
payloads, but the ggml-metal.metal file for mac was still
idempotent.  This finishes switching to always extract
the payloads, and now that idempotentcy is gone, the
version directory is no longer useful.

docs/linux.md

@@ -72,6 +72,11 @@ Verify that the drivers are installed by running the following command, which sh
 nvidia-smi
 ```
 
+### Install ROCm (optional - for Radeon GPUs)
+[Download and Install](https://rocm.docs.amd.com/projects/install-on-linux/en/latest/tutorial/quick-start.html)
+
+Make sure to install ROCm v6
+
 ### Start Ollama
 
 Start Ollama using `systemd`:

gpu/amd_linux.go

@@ -11,14 +11,11 @@ import (
 	"slices"
 	"strconv"
 	"strings"
-
-	"github.com/jmorganca/ollama/version"
 )
 
 // Discovery logic for AMD/ROCm GPUs
 
 const (
-	curlMsg               = "curl -fsSL https://github.com/ollama/ollama/releases/download/v%s/rocm-amd64-deps.tgz | tar -zxf - -C %s"
 	DriverVersionFile     = "/sys/module/amdgpu/version"
 	AMDNodesSysfsDir      = "/sys/class/kfd/kfd/topology/nodes/"
 	GPUPropertiesFileGlob = AMDNodesSysfsDir + "*/properties"
@@ -278,22 +275,22 @@ func setupLink(source, target string) error {
 func AMDValidateLibDir() (string, error) {
 	// We rely on the rpath compiled into our library to find rocm
 	// so we establish a symlink to wherever we find it on the system
-	// to $AssetsDir/rocm
-
-	// If we already have a rocm dependency wired, nothing more to do
-	assetsDir, err := AssetsDir()
+	// to <payloads>/rocm
+	payloadsDir, err := PayloadsDir()
 	if err != nil {
-		return "", fmt.Errorf("unable to lookup lib dir: %w", err)
+		return "", err
 	}
-	// Versioned directory
-	rocmTargetDir := filepath.Join(assetsDir, "rocm")
+
+	// If we already have a rocm dependency wired, nothing more to do
+	rocmTargetDir := filepath.Join(payloadsDir, "rocm")
 	if rocmLibUsable(rocmTargetDir) {
 		return rocmTargetDir, nil
 	}
-	// Parent dir (unversioned)
-	commonRocmDir := filepath.Join(filepath.Dir(assetsDir), "rocm")
-	if rocmLibUsable(commonRocmDir) {
-		return rocmTargetDir, setupLink(commonRocmDir, rocmTargetDir)
+
+	// Well known ollama installer path
+	installedRocmDir := "/usr/share/ollama/lib/rocm"
+	if rocmLibUsable(installedRocmDir) {
+		return rocmTargetDir, setupLink(installedRocmDir, rocmTargetDir)
 	}
 
 	// Prefer explicit HIP env var
@@ -322,14 +319,9 @@ func AMDValidateLibDir() (string, error) {
 	if rocmLibUsable("/opt/rocm/lib") {
 		return rocmTargetDir, setupLink("/opt/rocm/lib", rocmTargetDir)
 	}
-	err = os.MkdirAll(rocmTargetDir, 0755)
-	if err != nil {
-		return "", fmt.Errorf("failed to create empty rocm dir %s %w", rocmTargetDir, err)
-	}
 
-	// If we still haven't found a usable rocm, the user will have to download it on their own
-	slog.Warn("amdgpu detected, but no compatible rocm library found.  Either install rocm v6, or run the following")
-	slog.Warn(fmt.Sprintf(curlMsg, version.Version, rocmTargetDir))
+	// If we still haven't found a usable rocm, the user will have to install it on their own
+	slog.Warn("amdgpu detected, but no compatible rocm library found.  Either install rocm v6, or follow manual install instructions at https://github.com/ollama/ollama/blob/main/docs/linux.md#manual-install")
 	return "", fmt.Errorf("no suitable rocm found, falling back to CPU")
 }
 

gpu/amd_windows.go

@@ -140,7 +140,7 @@ func AMDValidateLibDir() (string, error) {
 	// $LibDir/rocm, we instead rely on setting PATH to point
 	// to the location of the ROCm library
 
-	// Installer payload location
+	// Installer payload location if we're running the installed binary
 	exe, err := os.Executable()
 	if err == nil {
 		rocmTargetDir := filepath.Join(filepath.Dir(exe), "rocm")
@@ -150,13 +150,12 @@ func AMDValidateLibDir() (string, error) {
 		}
 	}
 
-	// If we already have a rocm dependency wired, nothing more to do
-	libDir, err := AssetsDir()
-	if err != nil {
-		return "", fmt.Errorf("unable to lookup lib dir: %w", err)
-	}
-	rocmTargetDir := filepath.Join(libDir, "rocm")
+	// Installer payload (if we're running from some other location)
+	localAppData := os.Getenv("LOCALAPPDATA")
+	appDir := filepath.Join(localAppData, "Programs", "Ollama")
+	rocmTargetDir := filepath.Join(appDir, "rocm")
 	if rocmLibUsable(rocmTargetDir) {
+		slog.Debug("detected ollama installed ROCm at " + rocmTargetDir)
 		return rocmTargetDir, nil
 	}
 
@@ -175,16 +174,7 @@ func AMDValidateLibDir() (string, error) {
 		return RocmStandardLocation, nil
 	}
 
-	// Installer payload (if we're running from some other location)
-	localAppData := os.Getenv("LOCALAPPDATA")
-	appDir := filepath.Join(localAppData, "Programs", "Ollama")
-	rocmTargetDir = filepath.Join(appDir, "rocm")
-	if rocmLibUsable(rocmTargetDir) {
-		slog.Debug("detected ollama installed ROCm at " + rocmTargetDir)
-		return rocmTargetDir, nil
-	}
-
 	// Should not happen on windows since we include it in the installer, but stand-alone binary might hit this
-	slog.Warn("amdgpu detected, but no compatible rocm library found.  Please install ROCm v6")
+	slog.Warn("amdgpu detected, but no compatible rocm library found.  Please install ROCm")
 	return "", fmt.Errorf("no suitable rocm found, falling back to CPU")
 }

gpu/assets.go

@@ -7,34 +7,37 @@ import (
 	"path/filepath"
 	"runtime"
 	"strings"
+	"sync"
+)
 
-	"github.com/jmorganca/ollama/version"
+var (
+	lock        sync.Mutex
+	payloadsDir = ""
 )
 
-func AssetsDir() (string, error) {
-	home, err := os.UserHomeDir()
-	if err != nil {
-		return "", err
+func PayloadsDir() (string, error) {
+	lock.Lock()
+	defer lock.Unlock()
+	if payloadsDir == "" {
+		tmpDir, err := os.MkdirTemp("", "ollama")
+		if err != nil {
+			return "", fmt.Errorf("failed to generate tmp dir: %w", err)
+		}
+		payloadsDir = tmpDir
 	}
-	baseDir := filepath.Join(home, ".ollama", "assets")
-	libDirs, err := os.ReadDir(baseDir)
-	if err == nil {
-		for _, d := range libDirs {
-			if d.Name() == version.Version {
-				continue
-			}
-			// Special case the rocm dependencies, which are handled by the installer
-			if d.Name() == "rocm" {
-				continue
-			}
-			slog.Debug("stale lib detected, cleaning up " + d.Name())
-			err = os.RemoveAll(filepath.Join(baseDir, d.Name()))
-			if err != nil {
-				slog.Warn(fmt.Sprintf("unable to clean up stale library %s: %s", filepath.Join(baseDir, d.Name()), err))
-			}
+	return payloadsDir, nil
+}
+
+func Cleanup() {
+	lock.Lock()
+	defer lock.Unlock()
+	if payloadsDir != "" {
+		slog.Debug("cleaning up payloads dir " + payloadsDir)
+		err := os.RemoveAll(payloadsDir)
+		if err != nil {
+			slog.Warn(fmt.Sprintf("failed to cleanup tmp dir: %s", err))
 		}
 	}
-	return filepath.Join(baseDir, version.Version), nil
 }
 
 func UpdatePath(dir string) {

llm/payload_common.go

@@ -104,13 +104,14 @@ func rocmDynLibPresent() bool {
 }
 
 func nativeInit() error {
-	slog.Info("Extracting dynamic libraries...")
-	assetsDir, err := gpu.AssetsDir()
+	payloadsDir, err := gpu.PayloadsDir()
 	if err != nil {
 		return err
 	}
+	slog.Info(fmt.Sprintf("Extracting dynamic libraries to %s ...", payloadsDir))
+
 	if runtime.GOOS == "darwin" {
-		err := extractPayloadFiles(assetsDir, "llama.cpp/ggml-metal.metal")
+		err := extractPayloadFiles(payloadsDir, "llama.cpp/ggml-metal.metal")
 		if err != nil {
 			if err == payloadMissing {
 				// TODO perhaps consider this a hard failure on arm macs?
@@ -119,10 +120,10 @@ func nativeInit() error {
 			}
 			return err
 		}
-		os.Setenv("GGML_METAL_PATH_RESOURCES", assetsDir)
+		os.Setenv("GGML_METAL_PATH_RESOURCES", payloadsDir)
 	}
 
-	libs, err := extractDynamicLibs(assetsDir, "llama.cpp/build/*/*/*/lib/*")
+	libs, err := extractDynamicLibs(payloadsDir, "llama.cpp/build/*/*/*/lib/*")
 	if err != nil {
 		if err == payloadMissing {
 			slog.Info(fmt.Sprintf("%s", payloadMissing))
@@ -153,7 +154,7 @@ func nativeInit() error {
 	return nil
 }
 
-func extractDynamicLibs(assetsDir, glob string) ([]string, error) {
+func extractDynamicLibs(payloadsDir, glob string) ([]string, error) {
 	files, err := fs.Glob(libEmbed, glob)
 	if err != nil || len(files) == 0 {
 		return nil, payloadMissing
@@ -172,14 +173,14 @@ func extractDynamicLibs(assetsDir, glob string) ([]string, error) {
 		g.Go(func() error {
 			// llama.cpp/build/$OS/$GOARCH/$VARIANT/lib/$LIBRARY
 			// Include the variant in the path to avoid conflicts between multiple server libs
-			targetDir := filepath.Join(assetsDir, pathComps[pathComponentCount-3])
+			targetDir := filepath.Join(payloadsDir, pathComps[pathComponentCount-3])
 			srcFile, err := libEmbed.Open(file)
 			if err != nil {
 				return fmt.Errorf("read payload %s: %v", file, err)
 			}
 			defer srcFile.Close()
 			if err := os.MkdirAll(targetDir, 0o755); err != nil {
-				return fmt.Errorf("create payload lib dir %s: %v", assetsDir, err)
+				return fmt.Errorf("create payload lib dir %s: %v", payloadsDir, err)
 			}
 			src := io.Reader(srcFile)
 			filename := file
@@ -210,7 +211,7 @@ func extractDynamicLibs(assetsDir, glob string) ([]string, error) {
 	return libs, g.Wait()
 }
 
-func extractPayloadFiles(assetsDir, glob string) error {
+func extractPayloadFiles(payloadsDir, glob string) error {
 	files, err := fs.Glob(libEmbed, glob)
 	if err != nil || len(files) == 0 {
 		return payloadMissing
@@ -222,8 +223,8 @@ func extractPayloadFiles(assetsDir, glob string) error {
 			return fmt.Errorf("read payload %s: %v", file, err)
 		}
 		defer srcFile.Close()
-		if err := os.MkdirAll(assetsDir, 0o755); err != nil {
-			return fmt.Errorf("create payload lib dir %s: %v", assetsDir, err)
+		if err := os.MkdirAll(payloadsDir, 0o755); err != nil {
+			return fmt.Errorf("create payload lib dir %s: %v", payloadsDir, err)
 		}
 		src := io.Reader(srcFile)
 		filename := file
@@ -235,22 +236,14 @@ func extractPayloadFiles(assetsDir, glob string) error {
 			filename = strings.TrimSuffix(filename, ".gz")
 		}
 
-		destFile := filepath.Join(assetsDir, filepath.Base(filename))
-		_, err = os.Stat(destFile)
-		switch {
-		case errors.Is(err, os.ErrNotExist):
-			destFp, err := os.OpenFile(destFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o755)
-			if err != nil {
-				return fmt.Errorf("write payload %s: %v", file, err)
-			}
-			defer destFp.Close()
-			if _, err := io.Copy(destFp, src); err != nil {
-				return fmt.Errorf("copy payload %s: %v", file, err)
-			}
-		case err != nil:
-			return fmt.Errorf("stat payload %s: %v", file, err)
-		case err == nil:
-			slog.Debug("payload already exists: " + destFile)
+		destFile := filepath.Join(payloadsDir, filepath.Base(filename))
+		destFp, err := os.OpenFile(destFile, os.O_WRONLY|os.O_CREATE|os.O_TRUNC, 0o755)
+		if err != nil {
+			return fmt.Errorf("write payload %s: %v", file, err)
+		}
+		defer destFp.Close()
+		if _, err := io.Copy(destFp, src); err != nil {
+			return fmt.Errorf("copy payload %s: %v", file, err)
 		}
 	}
 	return nil

server/routes.go

@@ -1092,6 +1092,7 @@ func Serve(ln net.Listener) error {
 		if loaded.runner != nil {
 			loaded.runner.Close()
 		}
+		gpu.Cleanup()
 		os.Exit(0)
 	}()