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CUDA 10 Memory Transaction的一个现象 - FindHao #49

Open drgpu opened 2 years ago

drgpu commented 2 years ago

https://www.findhao.net/academic/2564.html

  1. Introduction 近日,在写一些microbenchmark分析cuda程序访存问题时,发现了一个有趣的问题。目前尚未找到合理的解释,先记录下来以待后续分析。 实验平台为:NVIDIA GTX950,sm5.0,maxwell架构。 2. Global Memory A memory "request" is an instruction which accesses memory, and a "transaction" is the movement of a unit of da
haozhihan commented 1 year ago

请问 找到原因啦吗,我最近也再被这些指标 困惑着