Re: [PATCH v2] RFC: clear 1G pages with streaming stores on x86
From: Matthew Wilcox <willy@infradead.org>
Date: 2018-07-25 14:38:58
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On Wed, Jul 25, 2018 at 05:02:46AM +0000, Elliott, Robert (Persistent Memory) wrote:
Even with that, one CPU core won't saturate the memory bus; multiple CPU cores (preferably on the same NUMA node as the memory) need to share the work.
It's probably OK to not saturate the memory bus; it'd be nice if other cores were allowed to get work done. If your workload is single-threaded, you're right, of course, but who has a single-threaded workload these days?!