Skip to content

bugfix: properly detect tokenizer.json and activate fast_tokenizer in DiTModelLoader. #436

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
merged 1 commit into from
Nov 28, 2025
Merged

bugfix: properly detect tokenizer.json and activate fast_tokenizer in DiTModelLoader. #436

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
9 changes: 9 additions & 0 deletions xllm/core/framework/dit_model_loader.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -174,6 +174,15 @@ bool DiTFolderLoader::load_tokenizer_args(
JsonReader tokenizer_reader;
const std::string tokenizer_args_file_path =
model_weights_path_ + "/tokenizer_config.json";

// check if tokenizer.json exists, if exists, set the tokenizer type to fast
const std::string tokenizer_json_path =
model_weights_path + "/tokenizer.json";
if (std::filesystem::exists(tokenizer_json_path)) {
tokenizer_args_.tokenizer_type() = "fast";
tokenizer_args_.vocab_file() = tokenizer_json_path;
}

if (!std::filesystem::exists(tokenizer_args_file_path)) {
return true;
}
Expand Down