create blobs in parallel

cmd/cmd.go

@@ -22,6 +22,7 @@ import (
 	"sort"
 	"strconv"
 	"strings"
+	"sync"
 	"sync/atomic"
 	"syscall"
 	"time"
@@ -31,6 +32,7 @@ import (
 	"github.com/olekukonko/tablewriter"
 	"github.com/spf13/cobra"
 	"golang.org/x/crypto/ssh"
+	"golang.org/x/sync/errgroup"
 	"golang.org/x/term"
 
 	"github.com/ollama/ollama/api"
@@ -106,7 +108,7 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
 	}
 	spinner.Stop()
 
-	req.Name = args[0]
+	req.Model = args[0]
 	quantize, _ := cmd.Flags().GetString("quantize")
 	if quantize != "" {
 		req.Quantize = quantize
@@ -117,26 +119,43 @@ func CreateHandler(cmd *cobra.Command, args []string) error {
 		return err
 	}
 
-	if len(req.Files) > 0 {
-		fileMap := map[string]string{}
-		for f, digest := range req.Files {
+	var mu sync.Mutex
+	var g errgroup.Group
+	g.SetLimit(max(runtime.GOMAXPROCS(0)-1, 1))
+	// copy files since we'll be modifying the map
+	temp := req.Files
+	req.Files = make(map[string]string, len(temp))
+	for f, digest := range temp {
+		g.Go(func() error {
 			if _, err := createBlob(cmd, client, f, digest, p); err != nil {
 				return err
 			}
-			fileMap[filepath.Base(f)] = digest
-		}
-		req.Files = fileMap
+
+			mu.Lock()
+			req.Files[filepath.Base(f)] = digest
+			mu.Unlock()
+			return nil
+		})
 	}
 
-	if len(req.Adapters) > 0 {
-		fileMap := map[string]string{}
-		for f, digest := range req.Adapters {
+	// copy files since we'll be modifying the map
+	temp = req.Adapters
+	req.Adapters = make(map[string]string, len(temp))
+	for f, digest := range temp {
+		g.Go(func() error {
 			if _, err := createBlob(cmd, client, f, digest, p); err != nil {
 				return err
 			}
-			fileMap[filepath.Base(f)] = digest
-		}
-		req.Adapters = fileMap
+
+			mu.Lock()
+			req.Adapters[filepath.Base(f)] = digest
+			mu.Unlock()
+			return nil
+		})
+	}
+
+	if err := g.Wait(); err != nil {
+		return err
 	}
 
 	bars := make(map[string]*progress.Bar)
@@ -213,7 +232,7 @@ func createBlob(cmd *cobra.Command, client *api.Client, path string, digest stri
 		}
 	}()
 
-	if err = client.CreateBlob(cmd.Context(), digest, io.TeeReader(bin, &pw)); err != nil {
+	if err := client.CreateBlob(cmd.Context(), digest, io.TeeReader(bin, &pw)); err != nil {
 		return "", err
 	}
 	return digest, nil

cmd/cmd_test.go

@@ -690,7 +690,7 @@ func TestCreateHandler(t *testing.T) {
 						return
 					}
 
-					if req.Name != "test-model" {
+					if req.Model != "test-model" {
 						t.Errorf("expected model name 'test-model', got %s", req.Name)
 					}