"David" == David McDaniel <[EMAIL PROTECTED]> writes: David> Hi all. I've heard of the effort to broaden the use of large David> pages to cover things besides anonymous memory. The application David> I workon has the properties of (1) "sharing" gigabytes of David> memory between process by way of memory mapped files and alas David> (2) being dragged down by dtlb and dtsb miss rates. So I wanted David> to know if this effort would enable us to map these files into David> large pages to improve the situation. Thanks -d
Sorry, no, LPOOB covers heap, stack and private anonymous memory. However, memcntl()'s MC_HAT_ADVISE interface has been extended (by another large page project, MPSS for Vnodes) to work with regular files. -- Dave Marquardt Sun Microsystems, Inc. Austin, TX +1 512 401-1077 _______________________________________________ perf-discuss mailing list perf-discuss@opensolaris.org
