BabelStream
ParallelReductionsBenchmark
| BabelStream | ParallelReductionsBenchmark | |
|---|---|---|
| 1 | 2 | |
| 311 | 59 | |
| 2.9% | - | |
| 7.7 | 4.6 | |
| 3 days ago | 5 months ago | |
| C++ | C++ | |
| GNU General Public License v3.0 or later | - |
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BabelStream
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Fortran on GPU
I wrote the Fortran version of BabelStream (https://github.com/UoB-HPC/BabelStream/pull/135) to compare all of these, which might be useful as well. There is also MiniWeather, which supports all OpenMP, OpenACC and StdPar for GPU: https://github.com/mrnorman/miniWeather/tree/main/fortran.
ParallelReductionsBenchmark
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Failing to Reach 204 GB/S DDR4 Bandwidth
For the single threaded version, they have a data hazard on the sums that could be smoothed out with a little loop unrolling and separate variables.
But in the [threaded version](https://github.com/unum-cloud/ParallelReductions/blob/fd16d9...) they have separate slots for an accumulator but it's still in a shared vector, which most likely has the issue I described.
What are some alternatives?
nwchem-tce-triples-kernels - NWChem TCE CCSD(T) loop-driven kernels for performance optimization experiments
MatX - An efficient C++17 GPU numerical computing library with Python-like syntax
bedrock-clump - A GPU accelerated program to search the minecraft world for the largest connected clump of layer 5 bedrock
ispc - Intel® Implicit SPMD Program Compiler
gpu-kernel-runner - Runs a single CUDA/OpenCL kernel, taking its source from a file and arguments from the command-line
gpuowl - GPU Mersenne primality test.
miniWeather - A parallel programming training mini app simulating weather-like flows
alpaka - Abstraction Library for Parallel Kernel Acceleration :llama:
cuda_memtest - Fork of CUDA GPU memtest :eyeglasses:
Kernels - This is a set of simple programs that can be used to explore the features of a parallel platform.
eaminer - Heterogeneous Ethereum Miner with support for AMD, Intel and Nvidia GPUs using SYCL, OpenCL and CUDA backends