Skip to content

Commit

Permalink
Rwkv chat template fix (ggerganov#10001)
Browse files Browse the repository at this point in the history
* llama: remove useless template matching for rwkv-world

Signed-off-by: Molly Sophia <[email protected]>

* converter: Add comment about the hack for rwkv models

Signed-off-by: Molly Sophia <[email protected]>

* Update src/llama.cpp

Co-authored-by: Xuan Son Nguyen <[email protected]>

---------

Signed-off-by: Molly Sophia <[email protected]>
Co-authored-by: Xuan Son Nguyen <[email protected]>
  • Loading branch information
2 people authored and arthw committed Nov 15, 2024
1 parent 88135ea commit 9177ad4
Show file tree
Hide file tree
Showing 3 changed files with 3 additions and 5 deletions.
1 change: 1 addition & 0 deletions convert_hf_to_gguf.py
Original file line number Diff line number Diff line change
Expand Up @@ -2865,6 +2865,7 @@ def set_vocab(self):
self.gguf_writer.add_token_types(toktypes)
special_vocab = gguf.SpecialVocab(self.dir_model, load_merges=False)
special_vocab.chat_template = "rwkv-world"
# hack: Add '\n\n' as the EOT token to make it chat normally
special_vocab._set_special_token("eot", 261)
special_vocab.add_to_gguf(self.gguf_writer)

Expand Down
3 changes: 2 additions & 1 deletion src/llama.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -21703,7 +21703,8 @@ static int32_t llama_chat_apply_template_internal(
if (add_ass) {
ss << "[|assistant|]";
}
} else if (tmpl == "rwkv-world" || tmpl_contains("rwkv-world") || tmpl_contains("'User: ' + message['content'] + '\n\nAssistant:'")) {
} else if (tmpl == "rwkv-world" || tmpl_contains("rwkv-world")) {
// this template requires the model to have "\n\n" as EOT token
for (auto message : chat) {
std::string role(message->role);
if (role == "user") {
Expand Down
4 changes: 0 additions & 4 deletions tests/test-chat-template.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -65,8 +65,6 @@ int main(void) {
u8"{% for message in messages %}{% if message['role'] == 'user' %}{{'<用户>' + message['content'].strip() + '<AI>'}}{% else %}{{message['content'].strip()}}{% endif %}{% endfor %}",
// DeepSeek-V2
"{% if not add_generation_prompt is defined %}{% set add_generation_prompt = false %}{% endif %}{{ bos_token }}{% for message in messages %}{% if message['role'] == 'user' %}{{ 'User: ' + message['content'] + '\n\n' }}{% elif message['role'] == 'assistant' %}{{ 'Assistant: ' + message['content'] + eos_token }}{% elif message['role'] == 'system' %}{{ message['content'] + '\n\n' }}{% endif %}{% endfor %}{% if add_generation_prompt %}{{ 'Assistant:' }}{% endif %}",
// RWKV-World
"{% for message in messages %}{% if message['role'] == 'user' %}{{'User: ' + message['content'] + '\n\nAssistant:'}}{% else %}{{message['content'] + '\n\n'}}{% endif %}{% endfor %}",
};
std::vector<std::string> expected_output = {
// teknium/OpenHermes-2.5-Mistral-7B
Expand Down Expand Up @@ -111,8 +109,6 @@ int main(void) {
u8"You are a helpful assistant<用户>Hello<AI>Hi there<用户>Who are you<AI>I am an assistant<用户>Another question<AI>",
// DeepSeek-V2
u8"You are a helpful assistant\n\nUser: Hello\n\nAssistant: Hi there<|end▁of▁sentence|>User: Who are you\n\nAssistant: I am an assistant <|end▁of▁sentence|>User: Another question\n\nAssistant:",
// RWKV-World
"You are a helpful assistant\n\nUser: Hello\n\nAssistant:Hi there\n\nUser: Who are you\n\nAssistant: I am an assistant \n\nUser: Another question\n\nAssistant:",
};
std::vector<char> formatted_chat(1024);
int32_t res;
Expand Down

0 comments on commit 9177ad4

Please sign in to comment.