Messages in this thread | | | Date | Wed, 2 Apr 1997 12:14:56 -0500 (EST) | From | Michael Taht <> | Subject | Disabling Page caching |
| |
Back when I read a 486 hardware manual from end to end I noticed that there was a page-table option to disable caching of a given page or range of pages. I presume this option is still available for later Intel CPUs. Since copying disk pages is typically a big one-way operation with direct interface to userspace or disk controller, would disabling cache on these pages improve performance by reducing HW cache thrashing?
| |