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Model: HuggingFaceTB/qwen3-1.7b-gsm8k-sft
Source: Original Platform
This commit is contained in:
ModelHub XC
2026-05-12 18:21:40 +08:00
commit 665d418665
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#!/usr/bin/env python3
from __future__ import annotations
import os
import argparse
import json
from inspect_ai.log._log import EvalLog, EvalMetric, EvalSample
from inspect_ai import eval as inspect_eval # type: ignore # noqa: E402
from inspect_ai.util._display import init_display_type # noqa: E402
import inspect_evals.gsm8k # noqa: F401, E402 (registers task definitions)
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description="Run Inspect AI eval without banners.")
parser.add_argument(
"--model-path",
type=str,
default="final_model",
help="Path to the Hugging Face model (directory or model identifier).",
)
# this is a good limit for this task, just keep it like that (or use less in case you want faster tests)
parser.add_argument(
"--limit",
type=int,
default=150,
help="Optional limit for number of samples to evaluate.",
)
parser.add_argument(
'--json-output-file',
type=str,
default=None,
help="Optional path to output the metrics as a seperate JSON file.",
)
parser.add_argument(
'--templates-dir',
type=str,
default="templates/",
)
# You can adjust --max-connections if you want faster tests and don't receive errors (or if you have issues with vllm, try lowering this value)
parser.add_argument(
"--max-connections",
type=int,
default=2,
)
parser.add_argument(
"--max-tokens",
type=int,
default=4000,
)
parser.add_argument(
"--gpu-memory-utilization",
type=float,
default=0.3,
)
return parser.parse_args()
def main() -> None:
args = parse_args()
init_display_type("plain")
other_kwargs = {}
if (args.limit is not None) and (args.limit != -1):
other_kwargs["limit"] = args.limit
task = "inspect_evals/gsm8k"
model_args = {
'gpu_memory_utilization': args.gpu_memory_utilization,
}
model_args.update(template_kwargs(args))
eval_out = inspect_eval(
task,
model=f"vllm/{args.model_path}",
model_args=model_args,
score_display=False,
log_realtime=False,
log_format='json',
timeout=18000000,
attempt_timeout=18000000,
max_tokens=args.max_tokens,
max_connections=args.max_connections,
**other_kwargs,
)
if args.json_output_file is not None:
assert len(eval_out) == 1, eval_out
assert len(eval_out[0].results.scores) == 1, eval_out[0].results.scores
metrics = {}
for k, v in eval_out[0].results.scores[0].metrics.items():
metrics[k] = v.value
with open(args.json_output_file, 'w') as f:
json.dump(metrics, f, indent=2)
def model_type(args) -> str:
if 'qwen' in args.model_path.lower():
return 'qwen'
if 'llama' in args.model_path.lower():
return 'llama'
if 'gemma' in args.model_path.lower():
return 'gemma'
if 'smollm' in args.model_path.lower():
return 'smollm'
with open(os.path.join(args.model_path, "config.json"), 'r') as f:
config = json.load(f)
architecture = config['architectures'][0].lower()
if 'gemma' in architecture:
return 'gemma'
if 'llama' in architecture:
return 'llama'
if 'qwen' in architecture:
return 'qwen'
if 'smollm' in architecture:
return 'smollm'
raise ValueError(architecture)
def template_kwargs(args) -> dict:
model_type_str = model_type(args)
if model_type_str == 'qwen':
template = 'qwen3.jinja'
elif model_type_str == 'llama':
template = 'llama3.jinja'
elif model_type_str == 'gemma':
template = 'gemma3.jinja'
elif model_type_str == 'smollm':
template = 'smollm.jinja'
else:
raise ValueError(model_type_str)
return {
'chat_template': os.path.join(args.templates_dir, template)
}
if __name__ == "__main__":
main()

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#!/usr/bin/env python3
"""Evaluate model on MATH-500 dataset (harder math problems)."""
import argparse
import json
import re
from datasets import load_dataset
from vllm import LLM, SamplingParams
def extract_answer(response: str) -> str:
"""Extract the final answer from model response."""
# Look for boxed answer first (common in MATH format)
boxed_match = re.search(r'\\boxed\{([^}]+)\}', response)
if boxed_match:
return boxed_match.group(1).strip()
# Look for "The answer is X" pattern
answer_match = re.search(r'[Tt]he (?:final )?answer is[:\s]*([^\n.]+)', response)
if answer_match:
return answer_match.group(1).strip()
# Look for "= X" at the end
equals_match = re.search(r'=\s*([^\n=]+?)\s*$', response)
if equals_match:
return equals_match.group(1).strip()
# Return last line as fallback
lines = [l.strip() for l in response.strip().split('\n') if l.strip()]
return lines[-1] if lines else ""
def normalize_answer(answer: str) -> str:
"""Normalize answer for comparison."""
# Remove common formatting
answer = answer.strip()
answer = re.sub(r'\\text\{([^}]*)\}', r'\1', answer)
answer = re.sub(r'\\mathrm\{([^}]*)\}', r'\1', answer)
answer = re.sub(r'\\left|\\right', '', answer)
answer = re.sub(r'\$', '', answer)
answer = answer.strip()
return answer.lower()
def answers_match(predicted: str, expected: str) -> bool:
"""Check if answers match (with some tolerance)."""
pred_norm = normalize_answer(predicted)
exp_norm = normalize_answer(expected)
# Direct match
if pred_norm == exp_norm:
return True
# Try numeric comparison
try:
pred_num = float(re.sub(r'[^\d.-]', '', pred_norm))
exp_num = float(re.sub(r'[^\d.-]', '', exp_norm))
if abs(pred_num - exp_num) < 1e-6:
return True
except:
pass
# Check if one contains the other
if exp_norm in pred_norm or pred_norm in exp_norm:
return True
return False
def main():
parser = argparse.ArgumentParser()
parser.add_argument("--model-path", type=str, default="final_model")
parser.add_argument("--limit", type=int, default=100)
args = parser.parse_args()
print(f"Loading MATH-500 dataset...")
dataset = load_dataset("HuggingFaceH4/MATH-500", split="test")
if args.limit:
dataset = dataset.select(range(min(args.limit, len(dataset))))
print(f"Evaluating {len(dataset)} problems...")
# Load model
print(f"Loading model from {args.model_path}...")
llm = LLM(
model=args.model_path,
dtype="bfloat16",
max_model_len=4096,
gpu_memory_utilization=0.9,
)
sampling_params = SamplingParams(
temperature=0,
max_tokens=2048,
stop=["<|im_end|>", "<|endoftext|>"],
)
# Prepare prompts
prompts = []
for item in dataset:
problem = item["problem"]
prompt = f"<|im_start|>user\n{problem}<|im_end|>\n<|im_start|>assistant\n"
prompts.append(prompt)
# Generate
print("Generating responses...")
outputs = llm.generate(prompts, sampling_params)
# Evaluate
correct = 0
results_by_level = {}
results_by_subject = {}
for i, (item, output) in enumerate(zip(dataset, outputs)):
response = output.outputs[0].text
predicted = extract_answer(response)
expected = item["answer"]
level = item["level"]
subject = item["subject"]
is_correct = answers_match(predicted, expected)
if is_correct:
correct += 1
# Track by level
if level not in results_by_level:
results_by_level[level] = {"correct": 0, "total": 0}
results_by_level[level]["total"] += 1
if is_correct:
results_by_level[level]["correct"] += 1
# Track by subject
if subject not in results_by_subject:
results_by_subject[subject] = {"correct": 0, "total": 0}
results_by_subject[subject]["total"] += 1
if is_correct:
results_by_subject[subject]["correct"] += 1
if (i + 1) % 20 == 0:
print(f"Progress: {i+1}/{len(dataset)}, Accuracy so far: {correct/(i+1)*100:.1f}%")
# Print results
accuracy = correct / len(dataset) * 100
print(f"\n{'='*60}")
print(f"MATH-500 Results ({len(dataset)} problems)")
print(f"{'='*60}")
print(f"Overall Accuracy: {accuracy:.1f}% ({correct}/{len(dataset)})")
print(f"\nBy Level:")
for level in sorted(results_by_level.keys()):
stats = results_by_level[level]
acc = stats["correct"] / stats["total"] * 100
print(f" {level}: {acc:.1f}% ({stats['correct']}/{stats['total']})")
print(f"\nBy Subject:")
for subject in sorted(results_by_subject.keys()):
stats = results_by_subject[subject]
acc = stats["correct"] / stats["total"] * 100
print(f" {subject}: {acc:.1f}% ({stats['correct']}/{stats['total']})")
if __name__ == "__main__":
main()

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#!/usr/bin/env python3
"""
Combine GSM8K training data with MetaMathQA GSM-related examples.
This creates a larger, more diverse training set.
"""
import json
import re
from datasets import load_dataset
def extract_answer_gsm8k(answer_text):
"""Extract the final numerical answer from GSM8K answer format."""
match = re.search(r'####\s*(-?[\d,]+\.?\d*)', answer_text)
if match:
return match.group(1).replace(',', '')
return None
def format_reasoning_gsm8k(answer_text):
"""Convert GSM8K step-by-step format to thinking format."""
reasoning = re.sub(r'####\s*-?[\d,]+\.?\d*\s*$', '', answer_text).strip()
reasoning = re.sub(r'<<[^>]+>>', '', reasoning)
return reasoning
def extract_answer_metamath(response):
"""Extract answer from MetaMathQA format (usually ends with boxed answer)."""
# Try to find boxed answer
match = re.search(r'\\boxed\{([^}]+)\}', response)
if match:
return match.group(1).strip()
# Try to find "the answer is X" pattern
match = re.search(r'the answer is[:\s]*\$?(-?[\d,]+\.?\d*)', response, re.IGNORECASE)
if match:
return match.group(1).replace(',', '')
# Try to find "= X" at the end
match = re.search(r'=\s*\$?(-?[\d,]+\.?\d*)\s*(?:dollars?|\.)?$', response)
if match:
return match.group(1).replace(',', '')
return None
def create_gsm8k_example(question, answer):
"""Create a training example from GSM8K format."""
final_answer = extract_answer_gsm8k(answer)
reasoning = format_reasoning_gsm8k(answer)
if final_answer is None:
return None
assistant_content = f"""<think>
Let me solve this step by step.
{reasoning}
Therefore, the answer is {final_answer}.
</think>
The answer is {final_answer}"""
return {
"messages": [
{"role": "user", "content": f"Solve the following math problem step by step. Show your reasoning and then provide the final answer.\n\n{question}"},
{"role": "assistant", "content": assistant_content}
]
}
def create_metamath_example(query, response):
"""Create a training example from MetaMathQA format."""
# Clean up the response - remove LaTeX formatting artifacts
clean_response = response.replace('\\n', '\n').strip()
# Extract the answer
final_answer = extract_answer_metamath(clean_response)
if final_answer is None:
return None
# Remove the boxed answer and everything after for reasoning
reasoning = re.sub(r'\\boxed\{[^}]+\}.*$', '', clean_response, flags=re.DOTALL).strip()
reasoning = re.sub(r'The answer is.*$', '', reasoning, flags=re.IGNORECASE | re.DOTALL).strip()
# Skip if reasoning is too short
if len(reasoning) < 50:
return None
assistant_content = f"""<think>
Let me solve this step by step.
{reasoning}
Therefore, the answer is {final_answer}.
</think>
The answer is {final_answer}"""
return {
"messages": [
{"role": "user", "content": f"Solve the following math problem step by step. Show your reasoning and then provide the final answer.\n\n{query}"},
{"role": "assistant", "content": assistant_content}
]
}
def main():
training_data = []
# Load GSM8K training data
print("Loading GSM8K dataset...")
gsm8k = load_dataset("openai/gsm8k", "main", split="train")
print(f"Loaded {len(gsm8k)} GSM8K examples")
gsm8k_count = 0
for example in gsm8k:
formatted = create_gsm8k_example(example['question'], example['answer'])
if formatted:
training_data.append(formatted)
gsm8k_count += 1
print(f"Added {gsm8k_count} GSM8K examples")
# Load MetaMathQA - only GSM-related examples
print("\nLoading MetaMathQA dataset...")
metamath = load_dataset("meta-math/MetaMathQA", split="train")
print(f"Loaded {len(metamath)} MetaMathQA examples")
# Filter for GSM-related examples only
metamath_count = 0
for example in metamath:
if 'GSM' in example['type']: # GSM_Rephrased, GSM_SV, GSM_AnsAug, etc.
formatted = create_metamath_example(example['query'], example['response'])
if formatted:
training_data.append(formatted)
metamath_count += 1
print(f"Added {metamath_count} MetaMathQA GSM examples")
print(f"\nTotal training examples: {len(training_data)}")
# Shuffle the data
import random
random.seed(42)
random.shuffle(training_data)
# Save to JSONL
output_file = "combined_math_train.jsonl"
with open(output_file, 'w') as f:
for item in training_data:
f.write(json.dumps(item) + '\n')
print(f"Saved to {output_file}")
# Show samples
print("\n=== Sample GSM8K example ===")
for item in training_data[:10]:
if "Natalia" in item['messages'][0]['content']:
print(json.dumps(item, indent=2)[:500])
break
if __name__ == "__main__":
main()

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#!/usr/bin/env python3
"""
Continue training the already fine-tuned model with lower learning rate for additional refinement.
"""
import torch
from datasets import load_dataset
from transformers import AutoModelForCausalLM, AutoTokenizer
from trl import SFTTrainer, SFTConfig
import os
def main():
# Load from our previously trained model
print("Loading previously trained model from final_model/...")
model_name = "./final_model"
tokenizer = AutoTokenizer.from_pretrained(model_name)
# Ensure pad token is set
if tokenizer.pad_token is None:
tokenizer.pad_token = tokenizer.eos_token
model = AutoModelForCausalLM.from_pretrained(
model_name,
torch_dtype=torch.bfloat16,
attn_implementation="sdpa",
device_map="auto",
)
# Load dataset
print("Loading dataset...")
dataset = load_dataset("json", data_files="combined_math_train.jsonl", split="train")
print(f"Dataset size: {len(dataset)}")
# Training config - lower LR for refinement, 1 more epoch
training_args = SFTConfig(
output_dir="./sft_output_continued",
num_train_epochs=1,
per_device_train_batch_size=8,
gradient_accumulation_steps=4,
learning_rate=5e-6, # Lower LR for continued training
lr_scheduler_type="cosine",
warmup_ratio=0.01,
weight_decay=0.01,
logging_steps=100,
save_steps=2000,
save_total_limit=2,
bf16=True,
gradient_checkpointing=True,
gradient_checkpointing_kwargs={"use_reentrant": False},
max_length=1024,
packing=True,
report_to="none",
seed=42,
dataloader_num_workers=4,
optim="adamw_torch_fused",
)
# Create trainer
print("Creating trainer...")
trainer = SFTTrainer(
model=model,
args=training_args,
train_dataset=dataset,
processing_class=tokenizer,
)
# Print training info
print(f"\n=== Continued Training Configuration ===")
print(f"Model: {model_name} (previously fine-tuned)")
print(f"Dataset size: {len(dataset)}")
print(f"Batch size: {training_args.per_device_train_batch_size}")
print(f"Gradient accumulation: {training_args.gradient_accumulation_steps}")
print(f"Effective batch size: {training_args.per_device_train_batch_size * training_args.gradient_accumulation_steps}")
print(f"Learning rate: {training_args.learning_rate}")
print(f"Epochs: {training_args.num_train_epochs}")
print("="*40)
# Train
print("\nStarting continued training...")
trainer.train()
# Save final model
print("\nSaving model to final_model/...")
trainer.save_model("final_model")
tokenizer.save_pretrained("final_model")
print("Continued training complete!")
if __name__ == "__main__":
main()

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#!/usr/bin/env python3
"""
Improved SFT training for GSM8K performance.
Key improvements:
1. More training data (247K examples from GSM8K + MetaMathQA)
2. Multiple epochs with cosine LR schedule
3. Proper batch size and gradient accumulation for H100
4. Gradient checkpointing for memory efficiency
"""
import torch
from datasets import load_dataset
from transformers import AutoModelForCausalLM, AutoTokenizer
from trl import SFTTrainer, SFTConfig
import os
def main():
# Load model and tokenizer
print("Loading model and tokenizer...")
model_name = "Qwen/Qwen3-1.7B"
tokenizer = AutoTokenizer.from_pretrained(model_name)
# Ensure pad token is set
if tokenizer.pad_token is None:
tokenizer.pad_token = tokenizer.eos_token
model = AutoModelForCausalLM.from_pretrained(
model_name,
torch_dtype=torch.bfloat16,
attn_implementation="sdpa", # Use SDPA instead of flash_attention_2
device_map="auto",
)
# Load dataset
print("Loading dataset...")
dataset = load_dataset("json", data_files="combined_math_train.jsonl", split="train")
print(f"Dataset size: {len(dataset)}")
# Training config - optimized for H100 and GSM8K task
# With 247K examples and batch_size 8 * grad_accum 4 = effective batch 32
# Steps per epoch: 247467 / 32 ≈ 7733 steps
# 2 epochs ≈ 15466 steps
training_args = SFTConfig(
output_dir="./sft_output_improved",
num_train_epochs=2,
per_device_train_batch_size=8,
gradient_accumulation_steps=4,
learning_rate=2e-5,
lr_scheduler_type="cosine",
warmup_ratio=0.03,
weight_decay=0.01,
logging_steps=100,
save_steps=2000,
save_total_limit=3,
bf16=True,
gradient_checkpointing=True,
gradient_checkpointing_kwargs={"use_reentrant": False},
max_length=1024, # Math problems don't need very long context
packing=True,
report_to="none",
seed=42,
dataloader_num_workers=4,
optim="adamw_torch_fused",
)
# Create trainer
print("Creating trainer...")
trainer = SFTTrainer(
model=model,
args=training_args,
train_dataset=dataset,
processing_class=tokenizer,
)
# Print training info
print(f"\n=== Training Configuration ===")
print(f"Model: {model_name}")
print(f"Dataset size: {len(dataset)}")
print(f"Batch size: {training_args.per_device_train_batch_size}")
print(f"Gradient accumulation: {training_args.gradient_accumulation_steps}")
print(f"Effective batch size: {training_args.per_device_train_batch_size * training_args.gradient_accumulation_steps}")
print(f"Learning rate: {training_args.learning_rate}")
print(f"Epochs: {training_args.num_train_epochs}")
print(f"Max length: {training_args.max_length}")
print("="*30)
# Train
print("\nStarting training...")
trainer.train()
# Save final model
print("\nSaving model to final_model/...")
trainer.save_model("final_model")
tokenizer.save_pretrained("final_model")
print("Training complete!")
if __name__ == "__main__":
main()