Unverified50% confidenceFactExact time
GPU每个SM的共享内存通常仅有48-96KB
1
Sources
50%
Confidence
Long-term
Relevance
7/17/2026
First Seen
Sources
Related Claims
Unverified一张完整的8-bit GHASH查表需要256×16=4KB，在GPU每个SM通常仅有48-96KB共享内存的情况下会造成内存压力80% similarUnverifiedGPU上下文切换需保存完整GPU状态（包括寄存器文件、共享内存和L1缓存），数据量可达数百MB，而CPU上下文切换仅需保存几KB75% similarUnverifiedThe GPU memory hierarchy from fastest to slowest is: registers, L1 cache/shared memory, L2 cache, global memory (VRAM).72% similarUnverifiedGPU的SM能同时驻留的Warp数量决定了GPU隐藏内存访问延迟的能力，制约Occupancy的核心资源是寄存器文件与共享内存72% similarUnverifiedThe GPU multi-level memory hierarchy from highest to lowest is: register file (latency ~1 cycle), shared memory/L1 cache (~32–228 KB, latency ~20–40 cycles), L2 cache (H100 ~50 MB, latency ~200 cycles), and HBM global memory (latency ~500–800 cycles).70% similar
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