Expose load/store optimization hints #32
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Adds two keyword arguments to load/store functions:
latency: value from 1-10 hinting about DRAM traffic of operation (also forgather/scatter)allow_tma: allow use of Tensor Memory Accelerator (only forload/store)Read more: https://docs.nvidia.com/cuda/cutile-python/performance.html
This should allow hand-tuning to make some kernels even faster, including #16.
Closes #25