cricket

Cricket consists of two parts: A virtualization layer for CUDA applications that allows the isolation of CPU and CPU parts by using Remote Procedure Calls and a checkpoint/restart tool for GPU kernels.

Dependencies

Cricket requires

CUDA Toolkit (E.g. CUDA 12.1)
rpcbind
libcrypto
libtirpc

libtirpc built as part of the main Makefile.

On the system where the Cricket server should be executed, the appropriate NVIDIA drivers should be installed.

Building

git clone https://github.com/RWTH-ACS/cricket.git
cd cricket && git submodule update --init
LOG=INFO make

Environment variables for Makefile:

LOG: Log level. Can be one of DEBUG, INFO, WARNING, ERROR.
WITH_IB: If set to YES build with Infiniband support.
WITH_DEBUG: Use gcc debug flags for compilation

Running a CUDA Application

By default Cricket uses TCP/IP as a transport for the Remote Procedure Calls. This enables both remote execution, where server and client execute on different systems and local execution, where server and client execute on the same system. To support Cricket, the CUDA libraries must be linked dynamically to the CUDA application. For the runtime library, this can be done using the '-cudart shared' flag of nvcc.

The Cricket library has to be preloaded to the CUDA Application. For starting the server:

<path-to-cricket>/bin/cricket-rpc-server [optional rpc id]

The client can be started like this:

CRICKET_RPCID=[optional rpc id] REMOTE_GPU_ADDRESS=<address-of-server> LD_PRELOAD=<path-to-cricket>/bin/cricket-client.so <cuda-binary>

Example: Running a test application locally

/opt/cricket/bin/cricket-rpc-server

REMOTE_GPU_ADDRESS=127.0.0.1 LD_PRELOAD=/opt/cricket/bin/cricket-client.so /opt/cricket/tests/test_kernel

Example: Running the `nbody` CUDA sample using Cricket on a remote system

Compile the application

cd /nfs_share/cuda/samples/5_Simulations/nbody
make NVCCFLAGS="-m64 -cudart shared" GENCODE_FLAGS="-arch=sm_61"

Start the Cricket server

/opt/cricket/bin/cricket-rpc-server

Run the application

REMOTE_GPU_ADDRESS=remoteSystem.my-domain.com LD_PRELOAD=/nfs_share/cricket/bin/cricket-client.so /nfs_share/cuda/samples/5_Simulations/nbody/nbody -benchmark

Contributing

File structue

cpu: The virtualization layer
gpu: The checkpoint/restart tool
submodules: Submodules are located here.
- cuda-gdb: modified GDB for use with CUDA. We mostly need the modified libbfd for gathering information from the CUDA ELF.
- libtirpc: Transport Indepentend Remote Procedure Calls is requried for the virtualization layer-
tests: some synthetic CUDA applications to test cricket.
utils: A Dockerfile for repoducibility and for our CI.

Please agree to the DCO by signing off your commits.

Style Guidelines:

set cindent
set tabstop=4
set shiftwidth=4
set expandtab
set cinoptions=(0,:0,l1,t0,L3
match ErrorMsg /\s\+$\| \+\ze\t/

This project adheres to the Linux Kernel Coding Style, except when it doesn't.

Etymology: Cricket is an abbreviation for Checkpoint Restart In Cuda KErnels Tool

License

zhuangqh/cricket

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