How to embed pytorch profiler to verl?

gogineni_kailash · April 9, 2025, 6:38pm

This is my code base and I want to add pytorch profiler to the fit() function. Can anyone let me know how to embed the pytorch profiler?

github.com/volcengine/verl

verl/trainer/ppo/ray_trainer.py

main

# Copyright 2024 Bytedance Ltd. and/or its affiliates
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""
FSDP PPO Trainer with Ray-based single controller.
This trainer supports model-agonistic model initialization with huggingface
"""

import os
import uuid

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I also raised the issue in the verl github, but was not resolved. Any help or insights will be appreciated.
It only print the cpu events without CUDA events. But, the GPU utilization and VRAM is almost 80 to 100% over the course of training.

Issue: GitHub · Where software is built