Hi,

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I used visual profiler on mac to profile a sparse matrix vector multiplication kernel. I found that the number of L1 misses * 15(num. of SMs) is not equal to the number of L2 requests. Even (num. of L1 misses + num. of L1 hits) * 15 < L2 requests. Can someone explain this?
```

L1 hits: 677342

L1 misses: 2.07111e+06

L2 requests: 1.23936e+08