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Fix Template for LLAMA models #1273

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merged 3 commits into from
Feb 22, 2025
Merged

Fix Template for LLAMA models #1273

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1a9cce5
update chat and system template match for llama
ajindal1 Feb 20, 2025
2cd3f75
add LLAMA 2 templates
ajindal1 Feb 21, 2025
4722d11
minor fix
ajindal1 Feb 21, 2025
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15 changes: 8 additions & 7 deletions examples/python/model-chat.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,10 +50,9 @@ def main(args):
args.chat_template = '<|user|>\n{input} <|end|>\n<|assistant|>'
elif model_type.startswith("phi4"):
args.chat_template = '<|im_start|>user<|im_sep|>\n{input}<|im_end|>\n<|im_start|>assistant<|im_sep|>'
elif model_type.startswith("llama3"):
elif model_type.startswith("llama"):
args.chat_template = '<|start_header_id|>user<|end_header_id|>\n{input}<|eot_id|><|start_header_id|>assistant<|end_header_id|>'
elif model_type.startswith("llama2"):
args.chat_template = '<s>{input}'
print("Using Chat Template for LLAMA 3, if you are using LLAMA 2 please pass the argument --chat_template '{input} [/INST]')")
elif model_type.startswith("qwen2"):
args.chat_template = '<|im_start|>user\n{input}<|im_end|>\n<|im_start|>assistant\n'
else:
Expand All @@ -77,10 +76,9 @@ def main(args):
system_prompt = f"<|system|>\n{args.system_prompt}<|end|>"
elif model_type.startswith('phi4'):
system_prompt = f"<|im_start|>system<|im_sep|>\n{args.system_prompt}<|im_end|>"
elif model_type.startswith("llama3"):
elif model_type.startswith("llama"):
system_prompt = f"<|begin_of_text|><|start_header_id|>system<|end_header_id|>\n{args.system_prompt}<|eot_id|>"
elif model_type.startswith("llama2"):
system_prompt = f"<s>[INST] <<SYS>>\n{args.system_prompt}\n<</SYS>>"
print("Using System Prompt for LLAMA 3, if you are using LLAMA 2 please pass the argument --system_prompt '<s>[INST] <<SYS>>\\n{args.system_prompt}\\n<</SYS>>')")
elif model_type.startswith("qwen2"):
system_prompt = f"<|im_start|>system\n{args.system_prompt}<|im_end|>\n"
else:
Expand All @@ -92,11 +90,14 @@ def main(args):

# Keep asking for input prompts in a loop
while True:
text = input("Input: ")
text = input("Prompt (Use quit() to exit): ")
if not text:
print("Error, input cannot be empty")
continue

if text == "quit()":
break

if args.timings: started_timestamp = time.time()

prompt = f'{args.chat_template.format(input=text)}'
Expand Down
15 changes: 8 additions & 7 deletions examples/python/model-qa.py
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Original file line number Diff line number Diff line change
Expand Up @@ -47,10 +47,9 @@ def main(args):
args.chat_template = '<|user|>\n{input} <|end|>\n<|assistant|>'
elif model_type.startswith("phi4"):
args.chat_template = '<|im_start|>user<|im_sep|>\n{input}<|im_end|>\n<|im_start|>assistant<|im_sep|>'
elif model_type.startswith("llama3"):
elif model_type.startswith("llama"):
args.chat_template = '<|start_header_id|>user<|end_header_id|>\n{input}<|eot_id|><|start_header_id|>assistant<|end_header_id|>'
elif model_type.startswith("llama2"):
args.chat_template = '<s>{input}'
print("Using Chat Template for LLAMA 3, if you are using LLAMA 2 please pass the argument --chat_template '{input} [/INST]')")
elif model_type.startswith("qwen2"):
args.chat_template = '<|im_start|>user\n{input}<|im_end|>\n<|im_start|>assistant\n'
else:
Expand All @@ -65,10 +64,9 @@ def main(args):
system_prompt = f"<|system|>\n{args.system_prompt}<|end|>"
elif model_type.startswith('phi4'):
system_prompt = f"<|im_start|>system<|im_sep|>\n{args.system_prompt}<|im_end|>"
elif model_type.startswith("llama3"):
elif model_type.startswith("llama"):
system_prompt = f"<|begin_of_text|><|start_header_id|>system<|end_header_id|>\n{args.system_prompt}<|eot_id|>"
elif model_type.startswith("llama2"):
system_prompt = f"<s>[INST] <<SYS>>\n{args.system_prompt}\n<</SYS>>"
print("Using System Prompt for LLAMA 3, if you are using LLAMA 2 please pass the argument --system_prompt '<s>[INST] <<SYS>>\\n{args.system_prompt}\\n<</SYS>>')")
elif model_type.startswith("qwen2"):
system_prompt = f"<|im_start|>system\n{args.system_prompt}<|im_end|>\n"
else:
Expand All @@ -79,11 +77,14 @@ def main(args):

# Keep asking for input prompts in a loop
while True:
text = input("Input: ")
text = input("Prompt (Use quit() to exit): ")
if not text:
print("Error, input cannot be empty")
continue

if text == "quit()":
break

if args.timings: started_timestamp = time.time()

prompt = f'{args.chat_template.format(input=text)}'
Expand Down
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