ollama/convert/tensor_test.go

954 lines
22 KiB
Go

package convert
import (
"bytes"
"encoding/binary"
"io"
"iter"
"slices"
"strings"
"testing"
"github.com/google/go-cmp/cmp"
"github.com/ollama/ollama/fs/ggml"
"github.com/pdevine/tensor"
)
type fakeTensor struct {
name string
shape []uint64
data []float32
repacker Repacker
}
func (f fakeTensor) Name() string {
return f.name
}
func (f fakeTensor) Shape() []uint64 {
return f.shape
}
func (f fakeTensor) Kind() uint32 {
return 0
}
func (f *fakeTensor) SetRepacker(fn Repacker) {
f.repacker = fn
}
func (f fakeTensor) Clone() Tensor {
return &fakeTensor{
name: f.name,
shape: slices.Clone(f.shape),
data: slices.Clone(f.data),
repacker: f.repacker,
}
}
func (f fakeTensor) WriteTo(w io.Writer) (n int64, err error) {
data := f.data
if f.repacker != nil {
data, err = f.repacker(f.name, data, f.shape)
if err != nil {
return 0, err
}
}
if err := binary.Write(w, binary.LittleEndian, data); err != nil {
return 0, err
}
return int64(len(data) * 4), nil
}
func mul(shape []uint64) int {
n := 1
for _, dim := range shape {
n *= int(dim)
}
return n
}
func TestSplitDim(t *testing.T) {
t.Run("2d", func(t *testing.T) {
r := fakeTensor{
name: "a.b",
shape: []uint64{3, 4},
data: []float32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11},
}
t.Run("no split", func(t *testing.T) {
for tt := range splitDim(&r, 0, split{Replacer: strings.NewReplacer("a", "x")}) {
if tt.Name != "x.b" {
t.Fatalf("expected name 'x', got '%s'", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 4}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("even split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 1,
split{Replacer: strings.NewReplacer("a", "x")},
split{Replacer: strings.NewReplacer("b", "y")},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 4, 5, 8, 9}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'a.y', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{2, 3, 6, 7, 10, 11}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("uneven split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 0,
split{Replacer: strings.NewReplacer("a", "x"), dim: 2},
split{Replacer: strings.NewReplacer("b", "y"), dim: 1},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{2, 4}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 4, 5, 6, 7}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'a.y', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{8, 9, 10, 11}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("three way split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 0,
split{Replacer: strings.NewReplacer("a", "x"), dim: 1},
split{Replacer: strings.NewReplacer("b", "y"), dim: 1},
split{Replacer: strings.NewReplacer("b", "z"), dim: 1},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{4, 5, 6, 7}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.z" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{8, 9, 10, 11}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("uneven three way split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 1,
split{Replacer: strings.NewReplacer("a", "x"), dim: 2},
split{Replacer: strings.NewReplacer("b", "y"), dim: 1},
split{Replacer: strings.NewReplacer("b", "z"), dim: 1},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 4, 5, 8, 9}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 1}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{2, 6, 10}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.z" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 1}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{3, 7, 11}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("split with transpose", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 1,
split{Replacer: strings.NewReplacer("a", "x")},
split{Replacer: strings.NewReplacer("b", "y"), fn: func(tt tensor.Tensor) (tensor.Tensor, error) {
return tensor.Transpose(tt, 1, 0)
}},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 4, 5, 8, 9}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'a.y', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{2, 6, 10, 3, 7, 11}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
})
t.Run("3d", func(t *testing.T) {
r := fakeTensor{
name: "a.b",
shape: []uint64{3, 4, 2},
data: []float32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23},
}
t.Run("no split", func(t *testing.T) {
for tt := range splitDim(&r, 0, split{Replacer: strings.NewReplacer("a", "x")}) {
if tt.Name != "x.b" {
t.Fatalf("expected name 'x', got '%s'", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 4, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("even split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 1,
split{Replacer: strings.NewReplacer("a", "x")},
split{Replacer: strings.NewReplacer("b", "y")},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 8, 9, 10, 11, 16, 17, 18, 19}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'a.y', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{4, 5, 6, 7, 12, 13, 14, 15, 20, 21, 22, 23}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("uneven split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 0,
split{Replacer: strings.NewReplacer("a", "x"), dim: 2},
split{Replacer: strings.NewReplacer("b", "y"), dim: 1},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{2, 4, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'a.y', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{16, 17, 18, 19, 20, 21, 22, 23}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("three way split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 0,
split{Replacer: strings.NewReplacer("a", "x"), dim: 1},
split{Replacer: strings.NewReplacer("b", "y"), dim: 1},
split{Replacer: strings.NewReplacer("b", "z"), dim: 1},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 4, 5, 6, 7}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{8, 9, 10, 11, 12, 13, 14, 15}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.z" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{1, 4, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{16, 17, 18, 19, 20, 21, 22, 23}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
t.Run("uneven three way split", func(t *testing.T) {
next, stop := iter.Pull(splitDim(&r, 1,
split{Replacer: strings.NewReplacer("a", "x"), dim: 2},
split{Replacer: strings.NewReplacer("b", "y"), dim: 1},
split{Replacer: strings.NewReplacer("b", "z"), dim: 1},
))
defer stop()
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "x.b" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 2, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{0, 1, 2, 3, 8, 9, 10, 11, 16, 17, 18, 19}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.y" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 1, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{4, 5, 12, 13, 20, 21}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
{
tt, ok := next()
if !ok {
t.Fatal("expected at least one split")
}
if tt.Name != "a.z" {
t.Fatal("expected name 'x.b', got", tt.Name)
}
if diff := cmp.Diff(tt.Shape, []uint64{3, 1, 2}); diff != "" {
t.Errorf("unexpected shape (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := tt.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, mul(tt.Shape))
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
if diff := cmp.Diff(f32s, []float32{6, 7, 14, 15, 22, 23}); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
})
})
}
func TestMerge(t *testing.T) {
unmatched := []Tensor{
&fakeTensor{
name: "a.0.b",
shape: []uint64{5, 2},
data: []float32{10, 11, 12, 13, 14, 15, 16, 17, 18, 19},
},
&fakeTensor{
name: "a.1.b",
shape: []uint64{5, 2},
data: []float32{20, 21, 22, 23, 24, 25, 26, 27, 28, 29},
},
&fakeTensor{
name: "c.0.d",
shape: []uint64{5, 2},
data: []float32{30, 31, 32, 33, 34, 35, 36, 37, 38, 39},
},
&fakeTensor{
name: "c.1.d",
shape: []uint64{5, 2},
data: []float32{40, 41, 42, 43, 44, 45, 46, 47, 48, 49},
},
&fakeTensor{
name: "e.0.f",
shape: []uint64{5, 2},
data: []float32{50, 51, 52, 53, 54, 55, 56, 57, 58, 59},
},
}
checkMatched := func(t *testing.T, n int, matched []*ggml.Tensor) {
for i := range n {
got := matched[i]
if diff := cmp.Diff([]uint64{2, 5, 2}, got.Shape); diff != "" {
t.Errorf("unexpected (-want +got):\n%s", diff)
}
var b bytes.Buffer
if _, err := got.WriteTo(&b); err != nil {
t.Fatal(err)
}
f32s := make([]float32, 20)
if err := binary.Read(&b, binary.LittleEndian, &f32s); err != nil {
t.Fatal(err)
}
offset := 10 + (i * 20)
want := make([]float32, 20)
for j := range 20 {
want[j] = float32(offset + j)
}
if diff := cmp.Diff(want, f32s); diff != "" {
t.Errorf("unexpected data (-want +got):\n%s", diff)
}
}
}
t.Run("single merge", func(t *testing.T) {
matched, unmatched := mergeTensors(unmatched, merge{"a.*.b", "a.b"})
if len(unmatched) != 3 {
t.Error("expected 3 remaining tensors, got", len(unmatched))
}
if len(matched) != 1 {
t.Error("expected 1 merged tensor, got", len(matched))
}
checkMatched(t, 1, matched)
})
t.Run("multiple merges", func(t *testing.T) {
matched, unmatched := mergeTensors(unmatched, merge{"a.*.b", "a.b"}, merge{"c.*.d", "c.d"})
if len(unmatched) != 1 {
t.Error("expected 1 remaining tensors, got", len(unmatched))
}
if len(matched) != 2 {
t.Error("expected 2 merged tensor, got", len(matched))
}
checkMatched(t, 2, matched)
})
t.Run("no match", func(t *testing.T) {
matched, unmatched := mergeTensors(unmatched, merge{"x.*.y", "x.y"})
if len(unmatched) != 5 {
t.Error("expected 5 remaining tensors, got", len(unmatched))
}
if len(matched) != 0 {
t.Error("expected no merged tensors, got", len(matched))
}
})
}