reduce error footprint

This reverts commit 55d48c6ed1.

api/client.go

@@ -17,20 +17,14 @@ import (
 	"bufio"
 	"bytes"
 	"context"
-	"encoding/base64"
 	"encoding/json"
 	"fmt"
 	"io"
 	"net"
 	"net/http"
 	"net/url"
-	"os"
-	"path/filepath"
 	"runtime"
-	"strings"
-	"time"
 
-	"github.com/ollama/ollama/auth"
 	"github.com/ollama/ollama/envconfig"
 	"github.com/ollama/ollama/format"
 	"github.com/ollama/ollama/version"
@@ -353,7 +347,16 @@ func (c *Client) Heartbeat(ctx context.Context) error {
 	return nil
 }
 
-// Embeddings generates embeddings from a model.
+// Embed generates embeddings from a model.
+func (c *Client) Embed(ctx context.Context, req *EmbedRequest) (*EmbedResponse, error) {
+	var resp EmbedResponse
+	if err := c.do(ctx, http.MethodPost, "/api/embed", req, &resp); err != nil {
+		return nil, err
+	}
+	return &resp, nil
+}
+
+// Embeddings generates embeddings from a model. (Legacy)
 func (c *Client) Embeddings(ctx context.Context, req *EmbeddingRequest) (*EmbeddingResponse, error) {
 	var resp EmbeddingResponse
 	if err := c.do(ctx, http.MethodPost, "/api/embeddings", req, &resp); err != nil {
@@ -380,27 +383,3 @@ func (c *Client) Version(ctx context.Context) (string, error) {
 
 	return version.Version, nil
 }
-
-func Authorization(ctx context.Context, request *http.Request) (string, error) {
-	data := []byte(fmt.Sprintf("%s,%s,%d", request.Method, request.URL.RequestURI(), time.Now().Unix()))
-
-	home, err := os.UserHomeDir()
-	if err != nil {
-		return "", err
-	}
-
-	knownHostsFile, err := os.OpenFile(filepath.Join(home, ".ollama", "known_hosts"), os.O_CREATE|os.O_RDWR|os.O_APPEND, 0600)
-	if err != nil {
-		return "", err
-	}
-	defer knownHostsFile.Close()
-
-	token, err := auth.Sign(ctx, data)
-	if err != nil {
-		return "", err
-	}
-
-	// interleave request data into the token
-	key, sig, _ := strings.Cut(token, ":")
-	return fmt.Sprintf("%s:%s:%s", key, base64.StdEncoding.EncodeToString(data), sig), nil
-}

api/types.go

@@ -173,6 +173,30 @@ type Runner struct {
 	NumThread int   `json:"num_thread,omitempty"`
 }
 
+// EmbedRequest is the request passed to [Client.Embed].
+type EmbedRequest struct {
+	// Model is the model name.
+	Model string `json:"model"`
+
+	// Input is the input to embed.
+	Input any `json:"input"`
+
+	// KeepAlive controls how long the model will stay loaded in memory following
+	// this request.
+	KeepAlive *Duration `json:"keep_alive,omitempty"`
+
+	Truncate *bool `json:"truncate,omitempty"`
+
+	// Options lists model-specific options.
+	Options map[string]interface{} `json:"options"`
+}
+
+// EmbedResponse is the response from [Client.Embed].
+type EmbedResponse struct {
+	Model      string      `json:"model"`
+	Embeddings [][]float32 `json:"embeddings,omitempty"`
+}
+
 // EmbeddingRequest is the request passed to [Client.Embeddings].
 type EmbeddingRequest struct {
 	// Model is the model name.

auth/auth.go

@@ -10,37 +10,42 @@ import (
 	"log/slog"
 	"os"
 	"path/filepath"
+	"strings"
 
 	"golang.org/x/crypto/ssh"
 )
 
 const defaultPrivateKey = "id_ed25519"
 
-func keyPath() (ssh.Signer, error) {
+func keyPath() (string, error) {
 	home, err := os.UserHomeDir()
 	if err != nil {
-		return nil, err
+		return "", err
+	}
+
+	return filepath.Join(home, ".ollama", defaultPrivateKey), nil
+}
+
+func GetPublicKey() (string, error) {
+	keyPath, err := keyPath()
+	if err != nil {
+		return "", err
 	}
 
-	keyPath := filepath.Join(home, ".ollama", defaultPrivateKey)
 	privateKeyFile, err := os.ReadFile(keyPath)
 	if err != nil {
 		slog.Info(fmt.Sprintf("Failed to load private key: %v", err))
-		return nil, err
+		return "", err
 	}
 
-	return ssh.ParsePrivateKey(privateKeyFile)
-}
-
-func GetPublicKey() (ssh.PublicKey, error) {
-	privateKey, err := keyPath()
-	// if privateKey, try public key directly
-
+	privateKey, err := ssh.ParsePrivateKey(privateKeyFile)
 	if err != nil {
-		return nil, err
+		return "", err
 	}
 
-	return privateKey.PublicKey(), nil
+	publicKey := ssh.MarshalAuthorizedKey(privateKey.PublicKey())
+
+	return strings.TrimSpace(string(publicKey)), nil
 }
 
 func NewNonce(r io.Reader, length int) (string, error) {
@@ -53,20 +58,25 @@ func NewNonce(r io.Reader, length int) (string, error) {
 }
 
 func Sign(ctx context.Context, bts []byte) (string, error) {
-	privateKey, err := keyPath()
+	keyPath, err := keyPath()
+	if err != nil {
+		return "", err
+	}
+
+	privateKeyFile, err := os.ReadFile(keyPath)
+	if err != nil {
+		slog.Info(fmt.Sprintf("Failed to load private key: %v", err))
+		return "", err
+	}
+
+	privateKey, err := ssh.ParsePrivateKey(privateKeyFile)
 	if err != nil {
 		return "", err
 	}
 
 	// get the pubkey, but remove the type
-	publicKey, err := GetPublicKey()
-	if err != nil {
-		return "", err
-	}
-
-	publicKeyBytes := ssh.MarshalAuthorizedKey(publicKey)
-
-	parts := bytes.Split(publicKeyBytes, []byte(" "))
+	publicKey := ssh.MarshalAuthorizedKey(privateKey.PublicKey())
+	parts := bytes.Split(publicKey, []byte(" "))
 	if len(parts) < 2 {
 		return "", fmt.Errorf("malformed public key")
 	}

cmd/cmd.go

@@ -7,7 +7,6 @@ import (
 	"crypto/ed25519"
 	"crypto/rand"
 	"crypto/sha256"
-	"encoding/json"
 	"encoding/pem"
 	"errors"
 	"fmt"
@@ -16,7 +15,6 @@ import (
 	"math"
 	"net"
 	"net/http"
-	"net/url"
 	"os"
 	"os/signal"
 	"path/filepath"
@@ -80,7 +78,6 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
 	status := "transferring model data"
 	spinner := progress.NewSpinner(status)
 	p.Add(status, spinner)
-	defer p.Stop()
 
 	for i := range modelfile.Commands {
 		switch modelfile.Commands[i].Name {
@@ -115,10 +112,11 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
 				path = tempfile
 			}
 
-			digest, err := createBlob(cmd, client, path, spinner)
+			digest, err := createBlob(cmd, client, path)
 			if err != nil {
 				return err
 			}
+
 			modelfile.Commands[i].Args = "@" + digest
 		}
 	}
@@ -140,7 +138,7 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
 			spinner.Stop()
 
 			status = resp.Status
-			spinner := progress.NewSpinner(status)
+			spinner = progress.NewSpinner(status)
 			p.Add(status, spinner)
 		}
 
@@ -265,22 +263,13 @@ func tempZipFiles(path string) (string, error) {
 	return tempfile.Name(), nil
 }
 
-var ErrBlobExists = errors.New("blob exists")
-
-func createBlob(cmd *cobra.Command, client *api.Client, path string, spinner *progress.Spinner) (string, error) {
+func createBlob(cmd *cobra.Command, client *api.Client, path string) (string, error) {
 	bin, err := os.Open(path)
 	if err != nil {
 		return "", err
 	}
 	defer bin.Close()
 
-	// Get file info to retrieve the size
-	fileInfo, err := bin.Stat()
-	if err != nil {
-		return "", err
-	}
-	fileSize := fileInfo.Size()
-
 	hash := sha256.New()
 	if _, err := io.Copy(hash, bin); err != nil {
 		return "", err
@@ -290,151 +279,13 @@ func createBlob(cmd *cobra.Command, client *api.Client, path string, spinner *pr
 		return "", err
 	}
 
-	var pw progressWriter
-	status := "transferring model data 0%"
-	spinner.SetMessage(status)
-
-	ticker := time.NewTicker(60 * time.Millisecond)
-	done := make(chan struct{})
-	defer close(done)
-
-	go func() {
-		defer ticker.Stop()
-		for {
-			select {
-			case <-ticker.C:
-				spinner.SetMessage(fmt.Sprintf("transferring model data %d%%", int(100*pw.n/fileSize)))
-			case <-done:
-				spinner.SetMessage("transferring model data 100%")
-				return
-			}
-		}
-	}()
-
 	digest := fmt.Sprintf("sha256:%x", hash.Sum(nil))
-
-	// We check if we can find the models directory locally
-	// If we can, we return the path to the directory
-	// If we can't, we return an error
-	// If the blob exists already, we return the digest
-	dest, err := getLocalPath(cmd.Context(), digest)
-
-	if errors.Is(err, ErrBlobExists) {
-		return digest, nil
-	}
-
-	// Successfully found the model directory
-	if err == nil {
-		// Copy blob in via OS specific copy
-		// Linux errors out to use io.copy
-		err = localCopy(path, dest)
-		if err == nil {
-			return digest, nil
-		}
-
-		// Default copy using io.copy
-		err = defaultCopy(path, dest)
-		if err == nil {
-			return digest, nil
-		}
-	}
-
-	// If at any point copying the blob over locally fails, we default to the copy through the server
-	if err = client.CreateBlob(cmd.Context(), digest, io.TeeReader(bin, &pw)); err != nil {
+	if err = client.CreateBlob(cmd.Context(), digest, bin); err != nil {
 		return "", err
 	}
 	return digest, nil
 }
 
-type progressWriter struct {
-	n int64
-}
-
-func (w *progressWriter) Write(p []byte) (n int, err error) {
-	w.n += int64(len(p))
-	return len(p), nil
-}
-
-func getLocalPath(ctx context.Context, digest string) (string, error) {
-	ollamaHost := envconfig.Host
-
-	client := http.DefaultClient
-	base := &url.URL{
-		Scheme: ollamaHost.Scheme,
-		Host:   net.JoinHostPort(ollamaHost.Host, ollamaHost.Port),
-	}
-
-	data, err := json.Marshal(digest)
-	if err != nil {
-		return "", err
-	}
-
-	reqBody := bytes.NewReader(data)
-	path := fmt.Sprintf("/api/blobs/%s", digest)
-	requestURL := base.JoinPath(path)
-	request, err := http.NewRequestWithContext(ctx, http.MethodPost, requestURL.String(), reqBody)
-	if err != nil {
-		return "", err
-	}
-
-	authz, err := api.Authorization(ctx, request)
-	if err != nil {
-		return "", err
-	}
-
-	request.Header.Set("Authorization", authz)
-	request.Header.Set("User-Agent", fmt.Sprintf("ollama/%s (%s %s) Go/%s", version.Version, runtime.GOARCH, runtime.GOOS, runtime.Version()))
-	request.Header.Set("X-Redirect-Create", "1")
-
-	resp, err := client.Do(request)
-	if err != nil {
-		return "", err
-	}
-	defer resp.Body.Close()
-
-	if resp.StatusCode == http.StatusTemporaryRedirect {
-		dest := resp.Header.Get("LocalLocation")
-
-		return dest, nil
-	}
-	return "", ErrBlobExists
-}
-
-func defaultCopy(path string, dest string) error {
-	// This function should be called if the server is local
-	// It should find the model directory, copy the blob over, and return the digest
-	dirPath := filepath.Dir(dest)
-
-	if err := os.MkdirAll(dirPath, 0o755); err != nil {
-		return err
-	}
-
-	// Copy blob over
-	sourceFile, err := os.Open(path)
-	if err != nil {
-		return fmt.Errorf("could not open source file: %v", err)
-	}
-	defer sourceFile.Close()
-
-	destFile, err := os.Create(dest)
-	if err != nil {
-		return fmt.Errorf("could not create destination file: %v", err)
-	}
-	defer destFile.Close()
-
-	_, err = io.CopyBuffer(destFile, sourceFile, make([]byte, 4*1024*1024))
-	if err != nil {
-		return fmt.Errorf("error copying file: %v", err)
-	}
-
-	err = destFile.Sync()
-	if err != nil {
-		return fmt.Errorf("error flushing file: %v", err)
-	}
-
-	return nil
-}
-
 func RunHandler(cmd *cobra.Command, args []string) error {
 	interactive := true
 
@@ -528,13 +379,11 @@ func errFromUnknownKey(unknownKeyErr error) error {
 	if len(matches) > 0 {
 		serverPubKey := matches[0]
 
-		publicKey, err := auth.GetPublicKey()
+		localPubKey, err := auth.GetPublicKey()
 		if err != nil {
 			return unknownKeyErr
 		}
 
-		localPubKey := strings.TrimSpace(string(ssh.MarshalAuthorizedKey(publicKey)))
-
 		if runtime.GOOS == "linux" && serverPubKey != localPubKey {
 			// try the ollama service public key
 			svcPubKey, err := os.ReadFile("/usr/share/ollama/.ollama/id_ed25519.pub")

cmd/copy_darwin.go

@@ -1,23 +0,0 @@
-package cmd
-
-import (
-	"os"
-	"path/filepath"
-
-	"golang.org/x/sys/unix"
-)
-
-func localCopy(src, target string) error {
-	dirPath := filepath.Dir(target)
-
-	if err := os.MkdirAll(dirPath, 0o755); err != nil {
-		return err
-	}
-
-	err := unix.Clonefile(src, target, 0)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}

cmd/copy_linux.go

@@ -1,7 +0,0 @@
-package cmd
-
-import "errors"
-
-func localCopy(src, target string) error {
-	return errors.New("no local copy implementation for linux")
-}

cmd/copy_windows.go

@@ -1,67 +0,0 @@
-//go:build windows
-// +build windows
-
-package cmd
-
-import (
-	"os"
-	"path/filepath"
-	"syscall"
-	"unsafe"
-)
-
-func localCopy(src, target string) error {
-	// Create target directory if it doesn't exist
-	dirPath := filepath.Dir(target)
-	if err := os.MkdirAll(dirPath, 0o755); err != nil {
-		return err
-	}
-
-	// Open source file
-	sourceFile, err := os.Open(src)
-	if err != nil {
-		return err
-	}
-	defer sourceFile.Close()
-
-	// Create target file
-	targetFile, err := os.Create(target)
-	if err != nil {
-		return err
-	}
-	defer targetFile.Close()
-
-	// Use CopyFileExW to copy the file
-	err = copyFileEx(src, target)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}
-
-func copyFileEx(src, dst string) error {
-	kernel32 := syscall.NewLazyDLL("kernel32.dll")
-	copyFileEx := kernel32.NewProc("CopyFileExW")
-
-	srcPtr, err := syscall.UTF16PtrFromString(src)
-	if err != nil {
-		return err
-	}
-
-	dstPtr, err := syscall.UTF16PtrFromString(dst)
-	if err != nil {
-		return err
-	}
-
-	r1, _, err := copyFileEx.Call(
-		uintptr(unsafe.Pointer(srcPtr)),
-		uintptr(unsafe.Pointer(dstPtr)),
-		0, 0, 0, 0)
-
-	if r1 == 0 {
-		return err
-	}
-
-	return nil
-}

integration/embed_test.go

@@ -0,0 +1,152 @@
+//go:build integration
+
+package integration
+
+import (
+	"context"
+	"testing"
+	"time"
+
+	"github.com/ollama/ollama/api"
+)
+
+func TestAllMiniLMEmbed(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
+	defer cancel()
+
+	req := api.EmbedRequest{
+		Model: "all-minilm",
+		Input: "why is the sky blue?",
+	}
+
+	res, err := embedTestHelper(ctx, t, req)
+
+	if err != nil {
+		t.Fatalf("error: %v", err)
+	}
+
+	if len(res.Embeddings) != 1 {
+		t.Fatalf("expected 1 embedding, got %d", len(res.Embeddings))
+	}
+
+	if len(res.Embeddings[0]) != 384 {
+		t.Fatalf("expected 384 floats, got %d", len(res.Embeddings[0]))
+	}
+
+	if res.Embeddings[0][0] != 0.010071031 {
+		t.Fatalf("expected 0.010071031, got %f", res.Embeddings[0][0])
+	}
+}
+
+func TestAllMiniLMBatchEmbed(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
+	defer cancel()
+
+	req := api.EmbedRequest{
+		Model: "all-minilm",
+		Input: []string{"why is the sky blue?", "why is the grass green?"},
+	}
+
+	res, err := embedTestHelper(ctx, t, req)
+
+	if err != nil {
+		t.Fatalf("error: %v", err)
+	}
+
+	if len(res.Embeddings) != 2 {
+		t.Fatalf("expected 2 embeddings, got %d", len(res.Embeddings))
+	}
+
+	if len(res.Embeddings[0]) != 384 {
+		t.Fatalf("expected 384 floats, got %d", len(res.Embeddings[0]))
+	}
+
+	if res.Embeddings[0][0] != 0.010071031 || res.Embeddings[1][0] != -0.009802706 {
+		t.Fatalf("expected 0.010071031 and -0.009802706, got %f and %f", res.Embeddings[0][0], res.Embeddings[1][0])
+	}
+}
+
+func TestAllMiniLmEmbedTruncate(t *testing.T) {
+	ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
+	defer cancel()
+
+	truncTrue, truncFalse := true, false
+
+	type testReq struct {
+		Name    string
+		Request api.EmbedRequest
+	}
+
+	reqs := []testReq{
+		{
+			Name: "Target Truncation",
+			Request: api.EmbedRequest{
+				Model: "all-minilm",
+				Input: "why",
+			},
+		},
+		{
+			Name: "Default Truncate",
+			Request: api.EmbedRequest{
+				Model:   "all-minilm",
+				Input:   "why is the sky blue?",
+				Options: map[string]any{"num_ctx": 1},
+			},
+		},
+		{
+			Name: "Explicit Truncate",
+			Request: api.EmbedRequest{
+				Model:    "all-minilm",
+				Input:    "why is the sky blue?",
+				Truncate: &truncTrue,
+				Options:  map[string]any{"num_ctx": 1},
+			},
+		},
+	}
+
+	res := make(map[string]*api.EmbedResponse)
+
+	for _, req := range reqs {
+		response, err := embedTestHelper(ctx, t, req.Request)
+		if err != nil {
+			t.Fatalf("error: %v", err)
+		}
+		res[req.Name] = response
+	}
+
+	if res["Target Truncation"].Embeddings[0][0] != res["Default Truncate"].Embeddings[0][0] {
+		t.Fatal("expected default request to truncate correctly")
+	}
+
+	if res["Default Truncate"].Embeddings[0][0] != res["Explicit Truncate"].Embeddings[0][0] {
+		t.Fatal("expected default request and truncate true request to be the same")
+	}
+
+	// check that truncate set to false returns an error if context length is exceeded
+	_, err := embedTestHelper(ctx, t, api.EmbedRequest{
+		Model:    "all-minilm",
+		Input:    "why is the sky blue?",
+		Truncate: &truncFalse,
+		Options:  map[string]any{"num_ctx": 1},
+	})
+
+	if err == nil {
+		t.Fatal("expected error, got nil")
+	}
+}
+
+func embedTestHelper(ctx context.Context, t *testing.T, req api.EmbedRequest) (*api.EmbedResponse, error) {
+	client, _, cleanup := InitServerConnection(ctx, t)
+	defer cleanup()
+	if err := PullIfMissing(ctx, client, req.Model); err != nil {
+		t.Fatalf("failed to pull model %s: %v", req.Model, err)
+	}
+
+	response, err := client.Embed(ctx, &req)
+
+	if err != nil {
+		return nil, err
+	}
+
+	return response, nil
+}

llm/ext_server/server.cpp

@@ -3188,26 +3188,33 @@ int main(int argc, char **argv) {
                     prompt = "";
                 }
 
-                json image_data;
-                if (body.count("image_data") != 0) {
-                    image_data = body["image_data"];
-                }
-                else
-                {
-                    image_data = "";
+                if (prompt.size() == 1) {
+                    prompt = prompt[0];
                 }
 
                 // create and queue the task
-                const int task_id = llama.queue_tasks.get_new_id();
-                llama.queue_results.add_waiting_task_id(task_id);
-                llama.request_completion(task_id, { {"prompt", prompt}, { "n_predict", 0}, {"image_data", image_data} }, true, -1);
+                json responses;
+                {
+                    const int id_task = llama.queue_tasks.get_new_id();
+                    llama.queue_results.add_waiting_task_id(id_task);
+                    llama.request_completion(id_task, {{"prompt", prompt}}, true, -1);
 
-                // get the result
-                task_result result = llama.queue_results.recv(task_id);
-                llama.queue_results.remove_waiting_task_id(task_id);
+                    // get the result
+                    task_result result = llama.queue_results.recv(id_task);
+                    llama.queue_results.remove_waiting_task_id(id_task);
+                    if (result.error) {
+                        return res.set_content(result.result_json.dump(), "application/json; charset=utf-8");
+                    }
 
-                // send the result
-                return res.set_content(result.result_json.dump(), "application/json; charset=utf-8");
+                    responses = result.result_json.value("results", std::vector<json>{result.result_json});
+                    json embeddings = json::array();
+                    for (auto & elem : responses) {
+                        embeddings.push_back(elem.at("embedding"));
+                    }
+                    // send the result
+                    json embedding_res = json{{"embedding", embeddings}};
+                    return res.set_content(embedding_res.dump(), "application/json; charset=utf-8");
+                }
             });
 
     // GG: if I put the main loop inside a thread, it crashes on the first request when build in Debug!?

llm/generate/gen_linux.sh

@@ -254,7 +254,7 @@ if [ -z "${OLLAMA_SKIP_ROCM_GENERATE}" -a -d "${ROCM_PATH}" ]; then
         ROCM_VARIANT=_v$(ls ${ROCM_PATH}/lib/librocblas.so.*.*.????? | cut -f5 -d. || true)
     fi
     init_vars
-    CMAKE_DEFS="${COMMON_CMAKE_DEFS} ${CMAKE_DEFS} -DGGML_HIPBLAS=on -DLLAMA_CUDA_NO_PEER_COPY=on -DCMAKE_C_COMPILER=$ROCM_PATH/llvm/bin/clang -DCMAKE_CXX_COMPILER=$ROCM_PATH/llvm/bin/clang++ -DAMDGPU_TARGETS=$(amdGPUs) -DGPU_TARGETS=$(amdGPUs)"
+    CMAKE_DEFS="${COMMON_CMAKE_DEFS} ${CMAKE_DEFS} -DGGML_HIPBLAS=on -DCMAKE_C_COMPILER=$ROCM_PATH/llvm/bin/clang -DCMAKE_CXX_COMPILER=$ROCM_PATH/llvm/bin/clang++ -DAMDGPU_TARGETS=$(amdGPUs) -DGPU_TARGETS=$(amdGPUs)"
     # Users building from source can tune the exact flags we pass to cmake for configuring llama.cpp
     if [ -n "${OLLAMA_CUSTOM_ROCM_DEFS}" ]; then
         echo "OLLAMA_CUSTOM_ROCM_DEFS=\"${OLLAMA_CUSTOM_ROCM_DEFS}\""

llm/generate/gen_windows.ps1

@@ -366,7 +366,6 @@ function build_rocm() {
             "-DCMAKE_C_COMPILER=clang.exe",
             "-DCMAKE_CXX_COMPILER=clang++.exe",
             "-DGGML_HIPBLAS=on",
-            "-DLLAMA_CUDA_NO_PEER_COPY=on",
             "-DHIP_PLATFORM=amd",
             "-DGGML_AVX=on",
             "-DGGML_AVX2=off",

llm/server.go

@@ -33,7 +33,7 @@ type LlamaServer interface {
 	Ping(ctx context.Context) error
 	WaitUntilRunning(ctx context.Context) error
 	Completion(ctx context.Context, req CompletionRequest, fn func(CompletionResponse)) error
-	Embedding(ctx context.Context, prompt string) ([]float64, error)
+	Embed(ctx context.Context, input []string) ([][]float32, error)
 	Tokenize(ctx context.Context, content string) ([]int, error)
 	Detokenize(ctx context.Context, tokens []int) (string, error)
 	Close() error
@@ -859,15 +859,15 @@ func (s *llmServer) Completion(ctx context.Context, req CompletionRequest, fn fu
 	return nil
 }
 
-type EmbeddingRequest struct {
-	Content string `json:"content"`
+type EmbedRequest struct {
+	Content []string `json:"content"`
 }
 
-type EmbeddingResponse struct {
-	Embedding []float64 `json:"embedding"`
+type EmbedResponse struct {
+	Embedding [][]float32 `json:"embedding"`
 }
 
-func (s *llmServer) Embedding(ctx context.Context, prompt string) ([]float64, error) {
+func (s *llmServer) Embed(ctx context.Context, input []string) ([][]float32, error) {
 	if err := s.sem.Acquire(ctx, 1); err != nil {
 		slog.Error("Failed to acquire semaphore", "error", err)
 		return nil, err
@@ -882,7 +882,7 @@ func (s *llmServer) Embedding(ctx context.Context, prompt string) ([]float64, er
 		return nil, fmt.Errorf("unexpected server status: %s", status.ToString())
 	}
 
-	data, err := json.Marshal(TokenizeRequest{Content: prompt})
+	data, err := json.Marshal(EmbedRequest{Content: input})
 	if err != nil {
 		return nil, fmt.Errorf("error marshaling embed data: %w", err)
 	}
@@ -909,7 +909,7 @@ func (s *llmServer) Embedding(ctx context.Context, prompt string) ([]float64, er
 		return nil, fmt.Errorf("%s", body)
 	}
 
-	var embedding EmbeddingResponse
+	var embedding EmbedResponse
 	if err := json.Unmarshal(body, &embedding); err != nil {
 		return nil, fmt.Errorf("unmarshal tokenize response: %w", err)
 	}

openai/openai.go

@@ -338,16 +338,12 @@ func fromCompleteRequest(r CompletionRequest) (api.GenerateRequest, error) {
 	switch stop := r.Stop.(type) {
 	case string:
 		options["stop"] = []string{stop}
-	case []any:
-		var stops []string
-		for _, s := range stop {
-			if str, ok := s.(string); ok {
-				stops = append(stops, str)
-			} else {
-				return api.GenerateRequest{}, fmt.Errorf("invalid type for 'stop' field: %T", s)
-			}
+	case []string:
+		options["stop"] = stop
+	default:
+		if r.Stop != nil {
+			return api.GenerateRequest{}, fmt.Errorf("invalid type for 'stop' field: %T", r.Stop)
 		}
-		options["stop"] = stops
 	}
 
 	if r.MaxTokens != nil {

openai/openai_test.go

@@ -3,6 +3,7 @@ package openai
 import (
 	"bytes"
 	"encoding/json"
+	"fmt"
 	"io"
 	"net/http"
 	"net/http/httptest"
@@ -15,133 +16,7 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func TestMiddlewareRequests(t *testing.T) {
-	type testCase struct {
-		Name     string
-		Method   string
-		Path     string
-		Handler  func() gin.HandlerFunc
-		Setup    func(t *testing.T, req *http.Request)
-		Expected func(t *testing.T, req *http.Request)
-	}
-
-	var capturedRequest *http.Request
-
-	captureRequestMiddleware := func() gin.HandlerFunc {
-		return func(c *gin.Context) {
-			bodyBytes, _ := io.ReadAll(c.Request.Body)
-			c.Request.Body = io.NopCloser(bytes.NewReader(bodyBytes))
-			capturedRequest = c.Request
-			c.Next()
-		}
-	}
-
-	testCases := []testCase{
-		{
-			Name:    "chat handler",
-			Method:  http.MethodPost,
-			Path:    "/api/chat",
-			Handler: ChatMiddleware,
-			Setup: func(t *testing.T, req *http.Request) {
-				body := ChatCompletionRequest{
-					Model:    "test-model",
-					Messages: []Message{{Role: "user", Content: "Hello"}},
-				}
-
-				bodyBytes, _ := json.Marshal(body)
-
-				req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
-				req.Header.Set("Content-Type", "application/json")
-			},
-			Expected: func(t *testing.T, req *http.Request) {
-				var chatReq api.ChatRequest
-				if err := json.NewDecoder(req.Body).Decode(&chatReq); err != nil {
-					t.Fatal(err)
-				}
-
-				if chatReq.Messages[0].Role != "user" {
-					t.Fatalf("expected 'user', got %s", chatReq.Messages[0].Role)
-				}
-
-				if chatReq.Messages[0].Content != "Hello" {
-					t.Fatalf("expected 'Hello', got %s", chatReq.Messages[0].Content)
-				}
-			},
-		},
-		{
-			Name:    "completions handler",
-			Method:  http.MethodPost,
-			Path:    "/api/generate",
-			Handler: CompletionsMiddleware,
-			Setup: func(t *testing.T, req *http.Request) {
-				temp := float32(0.8)
-				body := CompletionRequest{
-					Model:       "test-model",
-					Prompt:      "Hello",
-					Temperature: &temp,
-					Stop:        []string{"\n", "stop"},
-				}
-
-				bodyBytes, _ := json.Marshal(body)
-
-				req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
-				req.Header.Set("Content-Type", "application/json")
-			},
-			Expected: func(t *testing.T, req *http.Request) {
-				var genReq api.GenerateRequest
-				if err := json.NewDecoder(req.Body).Decode(&genReq); err != nil {
-					t.Fatal(err)
-				}
-
-				if genReq.Prompt != "Hello" {
-					t.Fatalf("expected 'Hello', got %s", genReq.Prompt)
-				}
-
-				if genReq.Options["temperature"] != 1.6 {
-					t.Fatalf("expected 1.6, got %f", genReq.Options["temperature"])
-				}
-
-				stopTokens, ok := genReq.Options["stop"].([]any)
-
-				if !ok {
-					t.Fatalf("expected stop tokens to be a list")
-				}
-
-				if stopTokens[0] != "\n" || stopTokens[1] != "stop" {
-					t.Fatalf("expected ['\\n', 'stop'], got %v", stopTokens)
-				}
-			},
-		},
-	}
-
-	gin.SetMode(gin.TestMode)
-	router := gin.New()
-
-	endpoint := func(c *gin.Context) {
-		c.Status(http.StatusOK)
-	}
-
-	for _, tc := range testCases {
-		t.Run(tc.Name, func(t *testing.T) {
-			router = gin.New()
-			router.Use(captureRequestMiddleware())
-			router.Use(tc.Handler())
-			router.Handle(tc.Method, tc.Path, endpoint)
-			req, _ := http.NewRequest(tc.Method, tc.Path, nil)
-
-			if tc.Setup != nil {
-				tc.Setup(t, req)
-			}
-
-			resp := httptest.NewRecorder()
-			router.ServeHTTP(resp, req)
-
-			tc.Expected(t, capturedRequest)
-		})
-	}
-}
-
-func TestMiddlewareResponses(t *testing.T) {
+func TestMiddleware(t *testing.T) {
 	type testCase struct {
 		Name     string
 		Method   string
@@ -155,7 +30,159 @@ func TestMiddlewareResponses(t *testing.T) {
 
 	testCases := []testCase{
 		{
-			Name:     "completions handler error forwarding",
+			Name:     "chat handler",
+			Method:   http.MethodPost,
+			Path:     "/api/chat",
+			TestPath: "/api/chat",
+			Handler:  ChatMiddleware,
+			Endpoint: func(c *gin.Context) {
+				var chatReq api.ChatRequest
+				if err := c.ShouldBindJSON(&chatReq); err != nil {
+					c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
+					return
+				}
+
+				userMessage := chatReq.Messages[0].Content
+				var assistantMessage string
+
+				switch userMessage {
+				case "Hello":
+					assistantMessage = "Hello!"
+				default:
+					assistantMessage = "I'm not sure how to respond to that."
+				}
+
+				c.JSON(http.StatusOK, api.ChatResponse{
+					Message: api.Message{
+						Role:    "assistant",
+						Content: assistantMessage,
+					},
+				})
+			},
+			Setup: func(t *testing.T, req *http.Request) {
+				body := ChatCompletionRequest{
+					Model:    "test-model",
+					Messages: []Message{{Role: "user", Content: "Hello"}},
+				}
+
+				bodyBytes, _ := json.Marshal(body)
+
+				req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
+				req.Header.Set("Content-Type", "application/json")
+			},
+			Expected: func(t *testing.T, resp *httptest.ResponseRecorder) {
+				assert.Equal(t, http.StatusOK, resp.Code)
+
+				var chatResp ChatCompletion
+				if err := json.NewDecoder(resp.Body).Decode(&chatResp); err != nil {
+					t.Fatal(err)
+				}
+
+				if chatResp.Object != "chat.completion" {
+					t.Fatalf("expected chat.completion, got %s", chatResp.Object)
+				}
+
+				if chatResp.Choices[0].Message.Content != "Hello!" {
+					t.Fatalf("expected Hello!, got %s", chatResp.Choices[0].Message.Content)
+				}
+			},
+		},
+		{
+			Name:     "completions handler",
+			Method:   http.MethodPost,
+			Path:     "/api/generate",
+			TestPath: "/api/generate",
+			Handler:  CompletionsMiddleware,
+			Endpoint: func(c *gin.Context) {
+				c.JSON(http.StatusOK, api.GenerateResponse{
+					Response: "Hello!",
+				})
+			},
+			Setup: func(t *testing.T, req *http.Request) {
+				body := CompletionRequest{
+					Model:  "test-model",
+					Prompt: "Hello",
+				}
+
+				bodyBytes, _ := json.Marshal(body)
+
+				req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
+				req.Header.Set("Content-Type", "application/json")
+			},
+			Expected: func(t *testing.T, resp *httptest.ResponseRecorder) {
+				assert.Equal(t, http.StatusOK, resp.Code)
+				var completionResp Completion
+				if err := json.NewDecoder(resp.Body).Decode(&completionResp); err != nil {
+					t.Fatal(err)
+				}
+
+				if completionResp.Object != "text_completion" {
+					t.Fatalf("expected text_completion, got %s", completionResp.Object)
+				}
+
+				if completionResp.Choices[0].Text != "Hello!" {
+					t.Fatalf("expected Hello!, got %s", completionResp.Choices[0].Text)
+				}
+			},
+		},
+		{
+			Name:     "completions handler with params",
+			Method:   http.MethodPost,
+			Path:     "/api/generate",
+			TestPath: "/api/generate",
+			Handler:  CompletionsMiddleware,
+			Endpoint: func(c *gin.Context) {
+				var generateReq api.GenerateRequest
+				if err := c.ShouldBindJSON(&generateReq); err != nil {
+					c.JSON(http.StatusBadRequest, gin.H{"error": "invalid request"})
+					return
+				}
+
+				temperature := generateReq.Options["temperature"].(float64)
+				var assistantMessage string
+
+				switch temperature {
+				case 1.6:
+					assistantMessage = "Received temperature of 1.6"
+				default:
+					assistantMessage = fmt.Sprintf("Received temperature of %f", temperature)
+				}
+
+				c.JSON(http.StatusOK, api.GenerateResponse{
+					Response: assistantMessage,
+				})
+			},
+			Setup: func(t *testing.T, req *http.Request) {
+				temp := float32(0.8)
+				body := CompletionRequest{
+					Model:       "test-model",
+					Prompt:      "Hello",
+					Temperature: &temp,
+				}
+
+				bodyBytes, _ := json.Marshal(body)
+
+				req.Body = io.NopCloser(bytes.NewReader(bodyBytes))
+				req.Header.Set("Content-Type", "application/json")
+			},
+			Expected: func(t *testing.T, resp *httptest.ResponseRecorder) {
+				assert.Equal(t, http.StatusOK, resp.Code)
+				var completionResp Completion
+				if err := json.NewDecoder(resp.Body).Decode(&completionResp); err != nil {
+					t.Fatal(err)
+				}
+
+				if completionResp.Object != "text_completion" {
+					t.Fatalf("expected text_completion, got %s", completionResp.Object)
+				}
+
+				if completionResp.Choices[0].Text != "Received temperature of 1.6" {
+					t.Fatalf("expected Received temperature of 1.6, got %s", completionResp.Choices[0].Text)
+				}
+			},
+		},
+		{
+			Name:     "completions handler with error",
 			Method:   http.MethodPost,
 			Path:     "/api/generate",
 			TestPath: "/api/generate",

progress/spinner.go

@@ -31,10 +31,6 @@ func NewSpinner(message string) *Spinner {
 	return s
 }
 
-func (s *Spinner) SetMessage(message string) {
-	s.message = message
-}
-
 func (s *Spinner) String() string {
 	var sb strings.Builder
 	if len(s.message) > 0 {

server/images.go

@@ -32,7 +32,6 @@ import (
 	"github.com/ollama/ollama/types/errtypes"
 	"github.com/ollama/ollama/types/model"
 	"github.com/ollama/ollama/version"
-	"golang.org/x/crypto/ssh"
 )
 
 var errCapabilityCompletion = errors.New("completion")
@@ -1065,12 +1064,11 @@ func makeRequestWithRetry(ctx context.Context, method string, requestURL *url.UR
 	if anonymous {
 		// no user is associated with the public key, and the request requires non-anonymous access
 		pubKey, nestedErr := auth.GetPublicKey()
-		localPubKey := strings.TrimSpace(string(ssh.MarshalAuthorizedKey(pubKey)))
 		if nestedErr != nil {
 			slog.Error(fmt.Sprintf("couldn't get public key: %v", nestedErr))
 			return nil, errUnauthorized
 		}
-		return nil, &errtypes.UnknownOllamaKey{Key: localPubKey}
+		return nil, &errtypes.UnknownOllamaKey{Key: pubKey}
 	}
 	// user is associated with the public key, but is not authorized to make the request
 	return nil, errUnauthorized

server/routes.go

@@ -4,13 +4,12 @@ import (
 	"bytes"
 	"cmp"
 	"context"
-	"encoding/base64"
 	"encoding/json"
 	"errors"
 	"fmt"
 	"io"
-	"log"
 	"log/slog"
+	"math"
 	"net"
 	"net/http"
 	"net/netip"
@@ -19,15 +18,14 @@ import (
 	"path/filepath"
 	"slices"
 	"strings"
+	"sync"
 	"syscall"
 	"time"
 
 	"github.com/gin-contrib/cors"
 	"github.com/gin-gonic/gin"
-	"golang.org/x/crypto/ssh"
 
 	"github.com/ollama/ollama/api"
-	"github.com/ollama/ollama/auth"
 	"github.com/ollama/ollama/envconfig"
 	"github.com/ollama/ollama/gpu"
 	"github.com/ollama/ollama/llm"
@@ -250,6 +248,152 @@ func (s *Server) GenerateHandler(c *gin.Context) {
 	streamResponse(c, ch)
 }
 
+func (s *Server) EmbedHandler(c *gin.Context) {
+	var req api.EmbedRequest
+	err := c.ShouldBindJSON(&req)
+	switch {
+	case errors.Is(err, io.EOF):
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "missing request body"})
+		return
+	case err != nil:
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": err.Error()})
+		return
+	}
+
+	if req.Truncate == nil {
+		truncate := true
+		req.Truncate = &truncate
+	}
+
+	reqEmbed := []string{}
+
+	switch embeddings := req.Input.(type) {
+	case string:
+		if embeddings == "" {
+			c.JSON(http.StatusOK, api.EmbedResponse{Model: req.Model, Embeddings: [][]float32{}})
+			return
+		}
+		reqEmbed = []string{embeddings}
+	case []any:
+		if len(embeddings) == 0 {
+			c.JSON(http.StatusOK, api.EmbedResponse{Model: req.Model, Embeddings: [][]float32{}})
+			return
+		}
+
+		for _, v := range embeddings {
+			if _, ok := v.(string); !ok {
+				c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "invalid input type"})
+				return
+			}
+			reqEmbed = append(reqEmbed, v.(string))
+		}
+	default:
+		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": "invalid input type"})
+		return
+	}
+
+	r, m, opts, err := s.scheduleRunner(c.Request.Context(), req.Model, []Capability{}, req.Options, req.KeepAlive)
+	if err != nil {
+		handleScheduleError(c, req.Model, err)
+		return
+	}
+
+	kvData, err := getKVData(m.ModelPath, false)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	}
+
+	reqEmbedArray := make([]string, len(reqEmbed))
+	errCh := make(chan error, 1)
+	successCh := make(chan bool, 1)
+	sem := make(chan struct{}, 2)
+	var wg sync.WaitGroup
+	var mu sync.Mutex
+	for i, s := range reqEmbed {
+		wg.Add(1)
+		sem <- struct{}{}
+		go func(i int, s string) {
+			defer wg.Done()
+			defer func() { <-sem }()
+			tokens, err := r.Tokenize(c.Request.Context(), s)
+			if err != nil {
+				errCh <- err
+				return
+			}
+
+			ctxLen := min(opts.NumCtx, int(kvData.ContextLength()))
+			if len(tokens) > ctxLen {
+				if *req.Truncate {
+					tokens = tokens[:ctxLen]
+					s, err = r.Detokenize(c.Request.Context(), tokens)
+					if err != nil {
+						errCh <- err
+						return
+					}
+				} else {
+					errCh <- err
+					return
+				}
+			}
+			mu.Lock()
+			reqEmbedArray[i] = s
+			mu.Unlock()
+		}(i, s)
+	}
+	go func() {
+		wg.Wait()
+		successCh <- true
+		close(errCh)
+	}()
+
+	select {
+	case err := <-errCh:
+		c.JSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
+		return
+	case success := <-successCh:
+		if !success {
+			c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to process all embeddings"})
+			return
+		}
+	}
+
+	embeddings, err := r.Embed(c.Request.Context(), reqEmbedArray)
+
+	if err != nil {
+		slog.Info(fmt.Sprintf("embedding generation failed: %v", err))
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to generate embedding"})
+		return
+	}
+
+	for i, e := range embeddings {
+		embeddings[i] = normalize(e)
+	}
+
+	resp := api.EmbedResponse{
+		Model:      req.Model,
+		Embeddings: embeddings,
+	}
+	c.JSON(http.StatusOK, resp)
+}
+
+func normalize(vec []float32) []float32 {
+	var sum float32
+	for _, v := range vec {
+		sum += v * v
+	}
+
+	norm := float32(0.0)
+	if sum > 0 {
+		norm = float32(1.0 / math.Sqrt(float64(sum)))
+	}
+
+	for i := range vec {
+		vec[i] *= norm
+	}
+	return vec
+}
+
 func (s *Server) EmbeddingsHandler(c *gin.Context) {
 	var req api.EmbeddingRequest
 	if err := c.ShouldBindJSON(&req); errors.Is(err, io.EOF) {
@@ -272,14 +416,24 @@ func (s *Server) EmbeddingsHandler(c *gin.Context) {
 		return
 	}
 
-	embedding, err := r.Embedding(c.Request.Context(), req.Prompt)
+	embedding, err := r.Embed(c.Request.Context(), []string{req.Prompt})
+
 	if err != nil {
 		slog.Info(fmt.Sprintf("embedding generation failed: %v", err))
 		c.JSON(http.StatusInternalServerError, gin.H{"error": "failed to generate embedding"})
 		return
 	}
 
-	c.JSON(http.StatusOK, api.EmbeddingResponse{Embedding: embedding})
+	embedding64 := make([]float64, len(embedding[0]))
+
+	for i, v := range embedding[0] {
+		embedding64[i] = float64(v)
+	}
+
+	resp := api.EmbeddingResponse{
+		Embedding: embedding64,
+	}
+	c.JSON(http.StatusOK, resp)
 }
 
 func (s *Server) PullModelHandler(c *gin.Context) {
@@ -774,6 +928,7 @@ func (s *Server) CreateBlobHandler(c *gin.Context) {
 		c.AbortWithStatusJSON(http.StatusBadRequest, gin.H{"error": err.Error()})
 		return
 	}
+
 	_, err = os.Stat(path)
 	switch {
 	case errors.Is(err, os.ErrNotExist):
@@ -786,12 +941,6 @@ func (s *Server) CreateBlobHandler(c *gin.Context) {
 		return
 	}
 
-	if c.GetHeader("X-Redirect-Create") == "1" && s.IsLocal(c) {
-		c.Header("LocalLocation", path)
-		c.Status(http.StatusTemporaryRedirect)
-		return
-	}
-
 	layer, err := NewLayer(c.Request.Body, "")
 	if err != nil {
 		c.AbortWithStatusJSON(http.StatusInternalServerError, gin.H{"error": err.Error()})
@@ -806,54 +955,6 @@ func (s *Server) CreateBlobHandler(c *gin.Context) {
 	c.Status(http.StatusCreated)
 }
 
-func (s *Server) IsLocal(c *gin.Context) bool {
-	if authz := c.GetHeader("Authorization"); authz != "" {
-		parts := strings.Split(authz, ":")
-		if len(parts) != 3 {
-			return false
-		}
-
-		clientPublicKey, _, _, _, err := ssh.ParseAuthorizedKey([]byte(fmt.Sprintf("ssh-ed25519 %s", parts[0])))
-		if err != nil {
-			return false
-		}
-
-		// partialRequestData is formatted as http.Method,http.requestURI,timestamp,nonce
-		requestData, err := base64.StdEncoding.DecodeString(parts[1])
-		if err != nil {
-			return false
-		}
-
-		partialRequestDataParts := strings.Split(string(requestData), ",")
-		if len(partialRequestDataParts) != 3 {
-			return false
-		}
-
-		signature, err := base64.StdEncoding.DecodeString(parts[2])
-		if err != nil {
-			return false
-		}
-
-		if err := clientPublicKey.Verify(requestData, &ssh.Signature{Format: clientPublicKey.Type(), Blob: signature}); err != nil {
-			return false
-		}
-
-		serverPublicKey, err := auth.GetPublicKey()
-		if err != nil {
-			log.Fatal(err)
-		}
-
-		if bytes.Equal(serverPublicKey.Marshal(), clientPublicKey.Marshal()) {
-			return true
-		}
-
-		c.AbortWithStatusJSON(http.StatusUnauthorized, gin.H{"error": "unauthorized"})
-		return false
-	}
-
-	return false
-}
-
 func isLocalIP(ip netip.Addr) bool {
 	if interfaces, err := net.Interfaces(); err == nil {
 		for _, iface := range interfaces {
@@ -958,7 +1059,8 @@ func (s *Server) GenerateRoutes() http.Handler {
 	r.POST("/api/pull", s.PullModelHandler)
 	r.POST("/api/generate", s.GenerateHandler)
 	r.POST("/api/chat", s.ChatHandler)
-	r.POST("/api/embeddings", s.EmbeddingsHandler)
+	r.POST("/api/embed", s.EmbedHandler)
+	r.POST("/api/embeddings", s.EmbeddingsHandler) // legacy
 	r.POST("/api/create", s.CreateModelHandler)
 	r.POST("/api/push", s.PushModelHandler)
 	r.POST("/api/copy", s.CopyModelHandler)

server/routes_test.go

@@ -7,6 +7,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"io"
+	"math"
 	"net/http"
 	"net/http/httptest"
 	"os"
@@ -272,6 +273,73 @@ func Test_Routes(t *testing.T) {
 				assert.Equal(t, "library", retrieveResp.OwnedBy)
 			},
 		},
+		{
+			Name:   "Embed Handler Empty Input",
+			Method: http.MethodPost,
+			Path:   "/api/embed",
+			Setup: func(t *testing.T, req *http.Request) {
+				embedReq := api.EmbedRequest{
+					Model: "t-bone",
+					Input: "",
+				}
+				jsonData, err := json.Marshal(embedReq)
+				require.NoError(t, err)
+				req.Body = io.NopCloser(bytes.NewReader(jsonData))
+			},
+			Expected: func(t *testing.T, resp *http.Response) {
+				contentType := resp.Header.Get("Content-Type")
+				if contentType != "application/json; charset=utf-8" {
+					t.Fatalf("expected content type application/json; charset=utf-8, got %s", contentType)
+				}
+				body, err := io.ReadAll(resp.Body)
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				var embedResp api.EmbedResponse
+				err = json.Unmarshal(body, &embedResp)
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				if embedResp.Model != "t-bone" {
+					t.Fatalf("expected model t-bone, got %s", embedResp.Model)
+				}
+
+				if embedResp.Embeddings != nil {
+					t.Fatalf("expected embeddings to be nil, got %v", embedResp.Embeddings)
+				}
+			},
+		},
+		{
+			Name:   "Embed Handler Invalid Input",
+			Method: http.MethodPost,
+			Path:   "/api/embed",
+			Setup: func(t *testing.T, req *http.Request) {
+				embedReq := api.EmbedRequest{
+					Model: "t-bone",
+					Input: 2,
+				}
+				jsonData, err := json.Marshal(embedReq)
+				require.NoError(t, err)
+				req.Body = io.NopCloser(bytes.NewReader(jsonData))
+			},
+			Expected: func(t *testing.T, resp *http.Response) {
+				contentType := resp.Header.Get("Content-Type")
+				if contentType != "application/json; charset=utf-8" {
+					t.Fatalf("expected content type application/json; charset=utf-8, got %s", contentType)
+				}
+				_, err := io.ReadAll(resp.Body)
+
+				if err != nil {
+					t.Fatal(err)
+				}
+
+				if resp.StatusCode != http.StatusBadRequest {
+					t.Fatalf("expected status code 400, got %d", resp.StatusCode)
+				}
+			},
+		},
 	}
 
 	t.Setenv("OLLAMA_MODELS", t.TempDir())
@@ -420,3 +488,38 @@ func TestShow(t *testing.T) {
 		t.Fatal("Expected projector architecture to be 'clip', but got", resp.ProjectorInfo["general.architecture"])
 	}
 }
+
+func TestNormalize(t *testing.T) {
+	type testCase struct {
+		input []float32
+	}
+
+	testCases := []testCase{
+		{input: []float32{1}},
+		{input: []float32{0, 1, 2, 3}},
+		{input: []float32{0.1, 0.2, 0.3}},
+		{input: []float32{-0.1, 0.2, 0.3, -0.4}},
+		{input: []float32{0, 0, 0}},
+	}
+
+	isNormalized := func(vec []float32) (res bool) {
+		sum := 0.0
+		for _, v := range vec {
+			sum += float64(v * v)
+		}
+		if math.Abs(sum-1) > 1e-6 {
+			return sum == 0
+		} else {
+			return true
+		}
+	}
+
+	for _, tc := range testCases {
+		t.Run("", func(t *testing.T) {
+			normalized := normalize(tc.input)
+			if !isNormalized(normalized) {
+				t.Errorf("Vector %v is not normalized", tc.input)
+			}
+		})
+	}
+}

server/sched_test.go

@@ -642,8 +642,8 @@ type mockLlm struct {
 	pingResp           error
 	waitResp           error
 	completionResp     error
-	embeddingResp      []float64
-	embeddingRespErr   error
+	embedResp          [][]float32
+	embedRespErr       error
 	tokenizeResp       []int
 	tokenizeRespErr    error
 	detokenizeResp     string
@@ -660,8 +660,8 @@ func (s *mockLlm) WaitUntilRunning(ctx context.Context) error { return s.waitRes
 func (s *mockLlm) Completion(ctx context.Context, req llm.CompletionRequest, fn func(llm.CompletionResponse)) error {
 	return s.completionResp
 }
-func (s *mockLlm) Embedding(ctx context.Context, prompt string) ([]float64, error) {
-	return s.embeddingResp, s.embeddingRespErr
+func (s *mockLlm) Embed(ctx context.Context, input []string) ([][]float32, error) {
+	return s.embedResp, s.embedRespErr
 }
 func (s *mockLlm) Tokenize(ctx context.Context, content string) ([]int, error) {
 	return s.tokenizeResp, s.tokenizeRespErr