紧急状态下美元抢购潮成因解析【经济专栏】
未来一周将有多部新片亮相：奇幻动画《超级马里奥银河大电影》定档4月1日；由赞达亚主演、克里斯托弗·博格利编导的爱情喜剧《爱情抓马》与喜剧剧情片《是的》将于4月3日同步上映。（完）【编辑：韦俊龙】
。关于这个话题，WhatsApp網頁版提供了深入分析
In 2010, GPUs first supported virtual memory, but despite decades of development around virtual memory, CUDA virtual memory had two major limitations. First, it didn’t support memory overcommitment. That is, when you allocate virtual memory with CUDA, it immediately backs that with physical pages. In contrast, typically you get a large virtual memory space and physical memory is only mapped to virtual addresses when first accessed. Second, to be safe, freeing and mallocing forced a GPU sync which slowed them down a ton. This made applications like pytorch essentially manage memory themselves instead of completely relying on CUDA.
Daniel Jackson, Massachusetts Institute of Technology
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