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Features:

  • Track Device Initiated Remote Memory Operations
  • Track Specific Kernels
  • Track Specific Thread blocks
  • Track Host Initiated Remote Memory Operations
  • Attribute Objects to the tracked Memory Operations
  • [-] Track NCCL Remote Memory Operations
  • Track NVSHMEM Remote Memory Operations

Build

From the root directory,

$ cd tools/mem_multigpu/ && ARCH=80 make # builds mem_multigpu.so

Usage

$ LD_PRELOAD="/path/to/mem_multigpu.so" KERNEL_NAME="kernel_name_to_track" ./multigpu-app

To enable source code line attribution, pass CODE_ATTRIBUTION=1 environment variable as follow.

$ LD_PRELOAD="/path/to/mem_multigpu.so" KERNEL_NAME="kernel_name_to_track" CODE_ATTRIBUTION=1 ./multigpu-app

Note: You can use "all" for the KERNEL_NAME variable to track all kernels

Note: To find the exact name of the kernel you want to track, you can compile and use the ./tools/cudaops/ to profile your application to get the kernel names within it

Visualizer

Installation and requirements

Language: python 3.7+ Required streamlit python libraries: streamlit, streamlit_agraph, extra_streamlit_components, streamlit_plotly_events Other required libraries: seaborn, pandas, plotly

pip install seaborn pandas plotly streamlit streamlit_agraph extra_streamlit_components streamlit_plotly_events zstandard
cd visualizer; pip install st-click-detector-0.1.3/

Usage

In the directory where the log file is located
streamlit run visualizer/parse_and_vis.py <my_data_file.zst>