[Docs] GEMM 优化专题 — Warp tile #24
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Aurelius84
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Feb 18, 2024
| 本文中我们将会在第一个循环, 第二个循环之前加入一个 warp tiling 的循环, 以此来提高访存效率。Warp 是 GPU 硬件中的一个概念, 一个 warp 由 32 个线程组成, 这 32 个线程会被分配到一个 SM 中的一个 warp scheduler 中, warp scheduler 会负责调度这 32 个线程的执行。一个 SM 上可能会有多个 warp scheduler, 下图是一个 SM 中 warp scheduler 的示意图: | ||
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| 3. Thread Tile: 指令可以在同一个 CUDA 核心上并行执行（即指令级并行性，又称 ILP） | ||
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| :::note |
Aurelius84
approved these changes
Feb 18, 2024
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