num parallel embed

autodetect stop parameters from template

server/download.go

@@ -44,19 +44,17 @@ type blobDownload struct {
 
 	context.CancelFunc
 
-	done       chan struct{}
+	done       bool
 	err        error
 	references atomic.Int32
 }
 
 type blobDownloadPart struct {
-	N         int
+	N           int
-	Offset    int64
+	Offset      int64
-	Size      int64
+	Size        int64
-	Completed atomic.Int64
+	Completed   int64
-
+	lastUpdated time.Time
-	lastUpdatedMu sync.Mutex
-	lastUpdated   time.Time
 
 	*blobDownload `json:"-"`
 }
@@ -74,7 +72,7 @@ func (p *blobDownloadPart) Name() string {
 }
 
 func (p *blobDownloadPart) StartsAt() int64 {
-	return p.Offset + p.Completed.Load()
+	return p.Offset + p.Completed
 }
 
 func (p *blobDownloadPart) StopsAt() int64 {
@@ -84,9 +82,7 @@ func (p *blobDownloadPart) StopsAt() int64 {
 func (p *blobDownloadPart) Write(b []byte) (n int, err error) {
 	n = len(b)
 	p.blobDownload.Completed.Add(int64(n))
-	p.lastUpdatedMu.Lock()
 	p.lastUpdated = time.Now()
-	p.lastUpdatedMu.Unlock()
 	return n, nil
 }
 
@@ -96,8 +92,6 @@ func (b *blobDownload) Prepare(ctx context.Context, requestURL *url.URL, opts *r
 		return err
 	}
 
-	b.done = make(chan struct{})
-
 	for _, partFilePath := range partFilePaths {
 		part, err := b.readPart(partFilePath)
 		if err != nil {
@@ -105,7 +99,7 @@ func (b *blobDownload) Prepare(ctx context.Context, requestURL *url.URL, opts *r
 		}
 
 		b.Total += part.Size
-		b.Completed.Add(part.Completed.Load())
+		b.Completed.Add(part.Completed)
 		b.Parts = append(b.Parts, part)
 	}
 
@@ -145,7 +139,6 @@ func (b *blobDownload) Prepare(ctx context.Context, requestURL *url.URL, opts *r
 }
 
 func (b *blobDownload) Run(ctx context.Context, requestURL *url.URL, opts *registryOptions) {
-	defer close(b.done)
 	b.err = b.run(ctx, requestURL, opts)
 }
 
@@ -237,7 +230,7 @@ func (b *blobDownload) run(ctx context.Context, requestURL *url.URL, opts *regis
 	g.SetLimit(numDownloadParts)
 	for i := range b.Parts {
 		part := b.Parts[i]
-		if part.Completed.Load() == part.Size {
+		if part.Completed == part.Size {
 			continue
 		}
 
@@ -245,7 +238,7 @@ func (b *blobDownload) run(ctx context.Context, requestURL *url.URL, opts *regis
 			var err error
 			for try := 0; try < maxRetries; try++ {
 				w := io.NewOffsetWriter(file, part.StartsAt())
-				err = b.downloadChunk(inner, directURL, w, part)
+				err = b.downloadChunk(inner, directURL, w, part, opts)
 				switch {
 				case errors.Is(err, context.Canceled), errors.Is(err, syscall.ENOSPC):
 					// return immediately if the context is canceled or the device is out of space
@@ -286,31 +279,29 @@ func (b *blobDownload) run(ctx context.Context, requestURL *url.URL, opts *regis
 		return err
 	}
 
+	b.done = true
 	return nil
 }
 
-func (b *blobDownload) downloadChunk(ctx context.Context, requestURL *url.URL, w io.Writer, part *blobDownloadPart) error {
+func (b *blobDownload) downloadChunk(ctx context.Context, requestURL *url.URL, w io.Writer, part *blobDownloadPart, opts *registryOptions) error {
 	g, ctx := errgroup.WithContext(ctx)
 	g.Go(func() error {
-		req, err := http.NewRequestWithContext(ctx, "GET", requestURL.String(), nil)
+		headers := make(http.Header)
-		if err != nil {
+		headers.Set("Range", fmt.Sprintf("bytes=%d-%d", part.StartsAt(), part.StopsAt()-1))
-			return err
+		resp, err := makeRequestWithRetry(ctx, http.MethodGet, requestURL, headers, nil, opts)
-		}
-		req.Header.Set("Range", fmt.Sprintf("bytes=%d-%d", part.StartsAt(), part.StopsAt()-1))
-		resp, err := http.DefaultClient.Do(req)
 		if err != nil {
 			return err
 		}
 		defer resp.Body.Close()
 
-		n, err := io.CopyN(w, io.TeeReader(resp.Body, part), part.Size-part.Completed.Load())
+		n, err := io.CopyN(w, io.TeeReader(resp.Body, part), part.Size-part.Completed)
 		if err != nil && !errors.Is(err, context.Canceled) && !errors.Is(err, io.ErrUnexpectedEOF) {
 			// rollback progress
 			b.Completed.Add(-n)
 			return err
 		}
 
-		part.Completed.Add(n)
+		part.Completed += n
 		if err := b.writePart(part.Name(), part); err != nil {
 			return err
 		}
@@ -324,21 +315,15 @@ func (b *blobDownload) downloadChunk(ctx context.Context, requestURL *url.URL, w
 		for {
 			select {
 			case <-ticker.C:
-				if part.Completed.Load() >= part.Size {
+				if part.Completed >= part.Size {
 					return nil
 				}
 
-				part.lastUpdatedMu.Lock()
+				if !part.lastUpdated.IsZero() && time.Since(part.lastUpdated) > 5*time.Second {
-				lastUpdated := part.lastUpdated
-				part.lastUpdatedMu.Unlock()
-
-				if !lastUpdated.IsZero() && time.Since(lastUpdated) > 5*time.Second {
 					const msg = "%s part %d stalled; retrying. If this persists, press ctrl-c to exit, then 'ollama pull' to find a faster connection."
 					slog.Info(fmt.Sprintf(msg, b.Digest[7:19], part.N))
 					// reset last updated
-					part.lastUpdatedMu.Lock()
 					part.lastUpdated = time.Time{}
-					part.lastUpdatedMu.Unlock()
 					return errPartStalled
 				}
 			case <-ctx.Done():
@@ -403,8 +388,6 @@ func (b *blobDownload) Wait(ctx context.Context, fn func(api.ProgressResponse))
 	ticker := time.NewTicker(60 * time.Millisecond)
 	for {
 		select {
-		case <-b.done:
-			return b.err
 		case <-ticker.C:
 			fn(api.ProgressResponse{
 				Status:    fmt.Sprintf("pulling %s", b.Digest[7:19]),
@@ -412,6 +395,10 @@ func (b *blobDownload) Wait(ctx context.Context, fn func(api.ProgressResponse))
 				Total:     b.Total,
 				Completed: b.Completed.Load(),
 			})
+
+			if b.done || b.err != nil {
+				return b.err
+			}
 		case <-ctx.Done():
 			return ctx.Err()
 		}

server/model.go

@@ -263,13 +263,27 @@ func detectChatTemplate(layers []*layerGGML) ([]*layerGGML, error) {
 			if t, err := template.Named(s); err != nil {
 				slog.Debug("template detection", "error", err)
 			} else {
-				tmpl, err := NewLayer(t.Reader(), "application/vnd.ollama.image.template")
+				layer, err := NewLayer(t.Reader(), "application/vnd.ollama.image.template")
 				if err != nil {
 					return nil, err
 				}
 
-				tmpl.status = fmt.Sprintf("using autodetected template %s", t.Name)
+				layer.status = fmt.Sprintf("using autodetected template %s", t.Name)
-				layers = append(layers, &layerGGML{tmpl, nil})
+				layers = append(layers, &layerGGML{layer, nil})
+
+				if t.Parameters != nil {
+					var b bytes.Buffer
+					if err := json.NewEncoder(&b).Encode(t.Parameters); err != nil {
+						return nil, err
+					}
+
+					layer, err := NewLayer(&b, "application/vnd.ollama.image.params")
+					if err != nil {
+						return nil, err
+					}
+
+					layers = append(layers, &layerGGML{layer, nil})
+				}
 			}
 		}
 	}

server/routes_create_test.go

@@ -599,9 +599,10 @@ func TestCreateDetectTemplate(t *testing.T) {
 		}
 
 		checkFileExists(t, filepath.Join(p, "blobs", "*"), []string{
+			filepath.Join(p, "blobs", "sha256-0d79f567714c62c048378f2107fb332dabee0135d080c302d884317da9433cc5"),
 			filepath.Join(p, "blobs", "sha256-553c4a3f747b3d22a4946875f1cc8ed011c2930d83f864a0c7265f9ec0a20413"),
 			filepath.Join(p, "blobs", "sha256-c608dc615584cd20d9d830363dabf8a4783ae5d34245c3d8c115edb3bc7b28e4"),
-			filepath.Join(p, "blobs", "sha256-f836ee110db21567f826332e4cedd746c06d10664fd5a9ea3659e3683a944510"),
+			filepath.Join(p, "blobs", "sha256-ea34c57ba5b78b740aafe2aeb74dc6507fc3ad14170b64c26a04fb9e36c88d75"),
 		})
 	})
 

server/sched.go

@@ -132,6 +132,8 @@ func (s *Scheduler) processPending(ctx context.Context) {
 			if len(pending.model.ProjectorPaths) > 0 && numParallel != 1 {
 				numParallel = 1
 				slog.Warn("multimodal models don't support parallel requests yet")
+			} else if strings.Contains(pending.model.Config.ModelFamily, "bert") {
+				numParallel = runtime.NumCPU()
 			}
 
 			for {

template/alfred.json

@@ -0,0 +1,8 @@
+{
+  "stop": [
+    "<start_system>",
+    "<end_message>",
+    "<start_user>",
+    "<start_assistant>"
+  ]
+}

template/alpaca.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "### Instruction:",
+    "### Response"
+  ]
+}

template/chatml.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "<|im_start|>",
+    "<|im_end|>"
+  ]
+}

template/chatqa.json

@@ -0,0 +1,8 @@
+{
+  "stop": [
+    "System:",
+    "User:",
+    "Assistant:",
+    "<|begin_of_text|>"
+  ]
+}

template/codellama-70b-instruct.json

@@ -0,0 +1,7 @@
+{
+  "stop": [
+    "Source:",
+    "Destination:",
+    "<step>"
+  ]
+}

template/falcon-instruct.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "User:",
+    "Assistant:"
+  ]
+}

template/gemma-instruct.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "<start_of_turn>",
+    "<end_of_turn>"
+  ]
+}

template/granite-instruct.json

@@ -0,0 +1,7 @@
+{
+  "stop": [
+    "System:",
+    "Question:",
+    "Answer:"
+  ]
+}

template/llama2-chat.json

@@ -0,0 +1,8 @@
+{
+  "stop": [
+    "[INST]",
+    "[/INST]",
+    "<<SYS>>",
+    "<</SYS>>"
+  ]
+}

template/llama3-instruct.json

@@ -0,0 +1,7 @@
+{
+  "stop": [
+    "<|start_header_id|>",
+    "<|end_header_id|>",
+    "<|eot_id|>"
+  ]
+}

template/magicoder.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "@@ Instruction",
+    "@@ Response"
+  ]
+}

template/mistral-instruct.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "<|im_start|>",
+    "<|im_end|>"
+  ]
+}

template/openchat.json

@@ -0,0 +1,5 @@
+{
+  "stop": [
+    "<|end_of_turn|>"
+  ]
+}

template/phi-3.json

@@ -0,0 +1,8 @@
+{
+  "stop": [
+    "<|end|>",
+    "<|system|>",
+    "<|user|>",
+    "<|assistant|>"
+  ]
+}

template/solar-instruct.json

@@ -0,0 +1,7 @@
+{
+  "stop": [
+    "### System:",
+    "### User:",
+    "### Assistant"
+  ]
+}

template/starcoder2-instruct.json

@@ -0,0 +1,7 @@
+{
+  "stop": [
+    "### Instruction",
+    "### Response",
+    "<|endoftext|>"
+  ]
+}

template/template.go

@@ -23,6 +23,7 @@ import (
 var indexBytes []byte
 
 //go:embed *.gotmpl
+//go:embed *.json
 var templatesFS embed.FS
 
 var templatesOnce = sync.OnceValues(func() ([]*named, error) {
@@ -39,6 +40,15 @@ var templatesOnce = sync.OnceValues(func() ([]*named, error) {
 
 		// normalize line endings
 		t.Bytes = bytes.ReplaceAll(bts, []byte("\r\n"), []byte("\n"))
+
+		params, err := templatesFS.ReadFile(t.Name + ".json")
+		if err != nil {
+			continue
+		}
+
+		if err := json.Unmarshal(params, &t.Parameters); err != nil {
+			return nil, err
+		}
 	}
 
 	return templates, nil
@@ -48,6 +58,10 @@ type named struct {
 	Name     string `json:"name"`
 	Template string `json:"template"`
 	Bytes    []byte
+
+	Parameters *struct {
+		Stop []string `json:"stop"`
+	}
 }
 
 func (t named) Reader() io.Reader {

template/vicuna.json

@@ -0,0 +1,6 @@
+{
+  "stop": [
+    "USER:",
+    "ASSISTANT:"
+  ]
+}

template/zephyr.json

@@ -0,0 +1,8 @@
+{
+  "stop": [
+    "<|system|>",
+    "</s>",
+    "<|user|>",
+    "<|assistant|>"
+  ]
+}