ParallelReductionsBenchmark
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| ParallelReductionsBenchmark | relion | |
|---|---|---|
| 2 | 1 | |
| 59 | 425 | |
| - | 4.2% | |
| 4.6 | 5.9 | |
| 5 months ago | 14 days ago | |
| C++ | C++ | |
| - | GNU General Public License v3.0 only |
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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.
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What are some alternatives?
MatX - An efficient C++17 GPU numerical computing library with Python-like syntax
AdaptiveCpp - Implementation of SYCL and C++ standard parallelism for CPUs and GPUs from all vendors: The independent, community-driven compiler for C++-based heterogeneous programming models. Lets applications adapt themselves to all the hardware in the system - even at runtime!
ispc - Intel® Implicit SPMD Program Compiler
SpeciaLUT - Runtime choosing of template specializations using compile-time lookup-tables. Compile all states of a template function, but execute the optimal one at runtime.
gpuowl - GPU Mersenne primality test.
vpic - Vector Particle-In-Cell (VPIC) Project
alpaka - Abstraction Library for Parallel Kernel Acceleration :llama:
ArrayFire - ArrayFire: a general purpose GPU library.
cuda_memtest - Fork of CUDA GPU memtest :eyeglasses:
BioExplorer - The Blue Brain BioExplorer (BBBE) is a tool for data visualization experts and scientists to extract and analyze scientific data from visualization and interactive exploration
eaminer - Heterogeneous Ethereum Miner with support for AMD, Intel and Nvidia GPUs using SYCL, OpenCL and CUDA backends
cuda-api-wrappers - Thin C++-flavored header-only wrappers for core CUDA APIs: Runtime, Driver, NVRTC, NVTX.