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gguf: fix write order (#11068)

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* ggml: test write gguf order
* ggml: fix write tensor order
This commit is contained in:
Michael Yang
2025-06-16 10:42:32 -07:00
committed by GitHub
parent 502028968d
commit a6fbfc880c
2 changed files with 68 additions and 54 deletions
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110
fs/ggml/gguf_test.go
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@@ -2,62 +2,82 @@ package ggml
import (
"bytes"
"math/rand/v2"
"os"
"slices"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
)
func TestWriteGGUF(t *testing.T) {
w, err := os.CreateTemp(t.TempDir(), "*.bin")
if err != nil {
t.Fatal(err)
}
defer w.Close()
r := rand.New(rand.NewPCG(0, 0))
for range 8 {
t.Run("shuffle", func(t *testing.T) {
t.Parallel()
if err := WriteGGUF(w, KV{
"general.alignment": uint32(16),
}, []*Tensor{
{Name: "test.0", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(slices.Repeat([]byte{0}, 2*3*4))},
{Name: "test.1", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(slices.Repeat([]byte{0}, 2*3*4))},
{Name: "test.2", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(slices.Repeat([]byte{0}, 2*3*4))},
{Name: "test.3", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(slices.Repeat([]byte{0}, 2*3*4))},
{Name: "test.4", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(slices.Repeat([]byte{0}, 2*3*4))},
{Name: "test.5", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(slices.Repeat([]byte{0}, 2*3*4))},
}); err != nil {
t.Fatal(err)
}
ts := []*Tensor{
{Name: "token_embd.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "blk.0.attn_norm.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "blk.1.attn_norm.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "blk.2.attn_norm.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "blk.3.attn_norm.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "blk.4.attn_norm.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "blk.5.attn_norm.weight", Shape: []uint64{2, 3}, WriterTo: bytes.NewBuffer(make([]byte, 2*3))},
{Name: "output_norm.weight", Shape: []uint64{3, 2}, WriterTo: bytes.NewBuffer(make([]byte, 3*2))},
{Name: "output.weight", Shape: []uint64{3, 2}, WriterTo: bytes.NewBuffer(make([]byte, 3*2))},
}
r, err := os.Open(w.Name())
if err != nil {
t.Fatal(err)
}
defer r.Close()
r.Shuffle(len(ts), func(i, j int) {
ts[i], ts[j] = ts[j], ts[i]
})
ff, err := Decode(r, 0)
if err != nil {
t.Fatal(err)
}
w, err := os.CreateTemp(t.TempDir(), strings.ReplaceAll(t.Name(), "/", "_")+"*.bin")
if err != nil {
t.Fatal(err)
}
defer w.Close()
if diff := cmp.Diff(ff.KV(), KV{
"general.alignment": uint32(16),
"general.parameter_count": uint64(36),
}); diff != "" {
t.Errorf("Mismatch (-want +got):\n%s", diff)
}
if err := WriteGGUF(w, KV{
"general.alignment": uint32(16),
}, ts); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(ff.Tensors(), Tensors{
Offset: 336,
items: []*Tensor{
{Name: "test.0", Offset: 0, Shape: []uint64{2, 3}},
{Name: "test.1", Offset: 32, Shape: []uint64{2, 3}},
{Name: "test.2", Offset: 64, Shape: []uint64{2, 3}},
{Name: "test.3", Offset: 96, Shape: []uint64{2, 3}},
{Name: "test.4", Offset: 128, Shape: []uint64{2, 3}},
{Name: "test.5", Offset: 160, Shape: []uint64{2, 3}},
},
}, cmp.AllowUnexported(Tensors{})); diff != "" {
t.Errorf("Mismatch (-want +got):\n%s", diff)
r, err := os.Open(w.Name())
if err != nil {
t.Fatal(err)
}
defer r.Close()
ff, err := Decode(r, 0)
if err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(KV{
"general.alignment": uint32(16),
"general.parameter_count": uint64(54),
}, ff.KV()); diff != "" {
t.Errorf("Mismatch (-want +got):\n%s", diff)
}
if diff := cmp.Diff(Tensors{
Offset: 608,
items: []*Tensor{
{Name: "blk.0.attn_norm.weight", Offset: 0, Shape: []uint64{2, 3}},
{Name: "blk.1.attn_norm.weight", Offset: 32, Shape: []uint64{2, 3}},
{Name: "blk.2.attn_norm.weight", Offset: 64, Shape: []uint64{2, 3}},
{Name: "blk.3.attn_norm.weight", Offset: 96, Shape: []uint64{2, 3}},
{Name: "blk.4.attn_norm.weight", Offset: 128, Shape: []uint64{2, 3}},
{Name: "blk.5.attn_norm.weight", Offset: 160, Shape: []uint64{2, 3}},
{Name: "output.weight", Offset: 192, Shape: []uint64{3, 2}},
{Name: "output_norm.weight", Offset: 224, Shape: []uint64{3, 2}},
{Name: "token_embd.weight", Offset: 256, Shape: []uint64{2, 3}},
},
}, ff.Tensors(), cmp.AllowUnexported(Tensors{})); diff != "" {
t.Errorf("Mismatch (-want +got):\n%s", diff)
}
})
}
}