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Per-row pointer arrays stall HPCCG's CUDA port before the first kernel is written
More than 80 percent of HPCCG's CPU time sits in sparse matrix-vector multiply. A dev.to walkthrough moving that kernel to CUDA finds the matrix has to be flattened into CSR before any device code runs.
Publishers:dev.to
Reality
- Evidence58
- Adoption15
- Hype gap+12
- Incentives22
- Confidence55