ParallelReductionsBenchmark
cuda_memtest
| ParallelReductionsBenchmark | cuda_memtest | |
|---|---|---|
| 2 | 2 | |
| 59 | 107 | |
| - | 0.0% | |
| 4.6 | 3.4 | |
| 5 months ago | 7 days ago | |
| C++ | C++ | |
| - | - |
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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.
cuda_memtest
What are some alternatives?
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