fix newlines in ai

ai.go

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"os"
+	"strings"
 
 	nn "github.com/nikolaydubina/llama2.go/exp/nnfast"
 	"github.com/nikolaydubina/llama2.go/llama2"
@@ -13,6 +14,8 @@ type AI interface {
 	Do(context.Context, string) (string, error)
 }
 
+// TODO https://github.com/ollama/ollama/blob/main/server/routes.go#L153
+
 type AILocal struct {
 	checkpointPath string
 	tokenizerPath  string
@@ -73,7 +76,7 @@ func (ai AILocal) Do(ctx context.Context, prompt string) (string, error) {
 
 	runState := llama2.NewRunState(config)
 
-	promptTokens := vocab.Encode(prompt)
+	promptTokens := vocab.Encode(strings.ReplaceAll(prompt, "\n", "<0x0A>"))
 
 	out := bytes.NewBuffer(nil)
 
@@ -131,5 +134,5 @@ func (ai AILocal) Do(ctx context.Context, prompt string) (string, error) {
 	}
 	out.Write([]byte("\n"))
 
-	return string(out.Bytes()), nil
+	return strings.ReplaceAll(string(out.Bytes()), "<0x0A>", "\n"), nil
 }

ai_test.go

@@ -18,13 +18,16 @@ func TestAILocal(t *testing.T) {
 	defer can()
 
 	d := os.TempDir()
-	for k, u := range map[string]string{
-		"checkpoints": "https://huggingface.co/karpathy/tinyllamas/resolve/main/stories110M.bin",
-		"tokenizer":   "https://github.com/karpathy/llama2.c/raw/master/tokenizer.bin",
+	checkpoints := "checkpoints"
+	tokenizer := "tokenizer"
+	for u, p := range map[string]*string{
+		"https://huggingface.co/karpathy/tinyllamas/resolve/main/stories110M.bin": &checkpoints,
+		"https://github.com/karpathy/llama2.c/raw/master/tokenizer.bin":           &tokenizer,
 	} {
 		func() {
-			if _, err := os.Stat(path.Join(d, k)); os.IsNotExist(err) {
-				t.Logf("downloading %s from %s", u, k)
+			*p = path.Base(u)
+			if _, err := os.Stat(path.Join(d, *p)); os.IsNotExist(err) {
+				t.Logf("downloading %s from %s", u, *p)
 
 				resp, err := http.Get(u)
 				if err != nil {
@@ -32,7 +35,7 @@ func TestAILocal(t *testing.T) {
 				}
 				defer resp.Body.Close()
 
-				f, err := os.Create(path.Join(d, k))
+				f, err := os.Create(path.Join(d, *p))
 				if err != nil {
 					t.Fatal(err)
 				}
@@ -40,7 +43,7 @@ func TestAILocal(t *testing.T) {
 
 				if _, err := io.Copy(f, resp.Body); err != nil {
 					f.Close()
-					os.Remove(path.Join(d, k))
+					os.Remove(path.Join(d, *p))
 					t.Fatal(err)
 				}
 			}
@@ -48,8 +51,8 @@ func TestAILocal(t *testing.T) {
 	}
 
 	ai := NewAILocal(
-		path.Join(d, "checkpoints"),
-		path.Join(d, "tokenizer"),
+		path.Join(d, checkpoints),
+		path.Join(d, tokenizer),
 		0.9,
 		256,
 		0.9,