Investigate performance warnings

desihub / gpu_specter

Scratch work for porting spectroperfectionism extractions to GPUs

BSD 3-Clause "New" or "Revised" License

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Investigate performance warnings #69

Open dmargala opened 2 years ago

dmargala commented 2 years ago

It looks like numba.cuda now generates performance warnings for GPU under utiliization.

NumbaPerformanceWarning: Grid size (20) < 2 * SM count (216) will likely result in GPU under utilization due to low occupancy.
  warn(NumbaPerformanceWarning(msg))