Abstract:GPUs provide high-bandwidth/low-latency on-chip shared memory and L1 cache to efficiently service a large number of concurrent memory requests. Specifically, concurrent memory requests accessing contiguous memory space are coalesced into warp-wide accesses. To support such large accesses to L1 cache with low latency, the size of L1 cache line is no smaller than that of warp-wide accesses. However, such L1 cache architecture cannot always be efficiently utilized when applications generate many memory requests w… Show more
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