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LujhCoconut committed Mar 11, 2024
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20 changes: 20 additions & 0 deletions ISCA/Buddy Compression.md
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# [ISCA'20] Buddy Compression

**Title:** Buddy Compression: Enabling Larger Memory for Deep Learning and HPC Workloads on GPUs

**Keywords:**

**Major Contribution:**

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## 本文简介

GPU加速了高吞吐量的应用程序,这需要比传统的仅CPU系统更高数量级的内存带宽。然而,这种高带宽存储器的容量往往相对较小。伙伴压缩是一种架构,它利用了主机更大的伙伴内存或分解内存,有效地增加了GPU的内存容量。伙伴压缩将每个压缩的128B内存条目分为高带宽GPU内存和较慢但较大的伙伴内存之间,这样可压缩内存条目完全从GPU内存访问,而不可压缩条目从非GPU内存中获取部分数据。使用“伙伴压缩”,可压缩性的变化不会导致昂贵的页面移动或重新分配。对于代表性的HPC应用,伙伴压缩平均实现1.9×的有效GPU内存扩展,对于深度学习训练,平均实现1.5×,执行在没有内存限制的不现实的系统的2%以内。这使得Buddy压缩对需要额外GPU内存容量的性能意识开发人员具有吸引力

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<h3 class="text-uppercase resume-section-heading mb-4">Update Log (Keep the Last Five Updates)</h3>

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<h4 class="item-title col-12 col-md-6 col-lg-8 mb-2 mb-md-0">2024-03-11</h4>
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<h4 class="item-title col-12 col-md-6 col-lg-8 mb-2 mb-md-0">[USENIX ATC'2024]</h4> -->
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<p>Update DeepUM ASPLOS'23</p>
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<h4 class="item-title col-12 col-md-6 col-lg-8 mb-2 mb-md-0">2024-03-01</h4>
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