Skip to content

fix: change output names, change work with tensors and add close to main.go #39

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
ilindan-dev merged 1 commit into from
Apr 10, 2026
Merged

fix: change output names, change work with tensors and add close to main.go #39

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions backend/cmd/server/main.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,8 @@ func main() {
logger.Fatal().Err(err).Msg("Failed to create embedded tokenizer")
}

defer embeder.Close()

cardService := service.NewCardService(cardRepo, algoEngine, embeder, &logger)

cardHandler := http.NewHandler(cardService, &logger)
Expand Down
21 changes: 17 additions & 4 deletions backend/internal/tokenizer/embedder.go
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -34,7 +34,7 @@ func NewOnnxEmbedder(tokenizerPath, onnxModelPath, onnxLibraryPath string, log *
}

inputNames := []string{"input_ids", "attention_mask", "token_type_ids"}
outputNames := []string{"embeddings"}
outputNames := []string{"last_hidden_state"}

session, err := ort.NewDynamicAdvancedSession(
onnxModelPath,
Expand Down Expand Up @@ -128,8 +128,9 @@ func (e *OnnxEmbedder) Encode(text string) ([]float32, error) {
}
}(typeIDsTensor)

outShape := ort.NewShape(1, 384)
outData := make([]float32, 384)
outShape := ort.NewShape(1, seqLen, 384)
outData := make([]float32, seqLen*384)

outTensor, err := ort.NewTensor(outShape, outData)
if err != nil {
return nil, err
Expand All @@ -149,7 +150,19 @@ func (e *OnnxEmbedder) Encode(text string) ([]float32, error) {
return nil, fmt.Errorf("ONNX inference failed: %w", err)
}

return outData, nil
pooled := make([]float32, 384)

for i := int64(0); i < seqLen; i++ {
for j := int64(0); j < 384; j++ {
pooled[j] += outData[i*384+j]
}
}

for j := 0; j < 384; j++ {
pooled[j] /= float32(seqLen)
}

return pooled, nil
}

func (e *OnnxEmbedder) CosineSimilarity(v1, v2 []float32) float32 {
Expand Down
Loading