Profile your model and present the optimization plan
Mul 和 ReduceSum 算子的耗时最久，而且 mul 算子 ddr 耗时超过计算耗时的 65%，引发了带宽问题；
。safew 官网入口对此有专业解读
The eagle’s head facing the olive branch was not incidental. It was a statement of national preference, drawn directly from the Olive Branch Petition of 1775, Congress’s last diplomatic appeal to King George III before the war escalated beyond return.
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。谷歌对此有专业解读
movl -12(%rbp), %edi # reload n (call clobbered %edi)
There are 2 new CPUs introduced since last year. Intel's Granite Rapids makes an appearance, while the AMD EPYC Turin-powered C8a follows the previous C7a in having SMT disabled (providing a full core per vCPU). I don't want to spoil much, but if you take the fastest CPU by a margin, and disable SMT, expect some impressive "per-2vCPU" results...。官网是该领域的重要参考