Am 03.11.2014 um 20:55 schrieb Krzysztof Czarnowski: > Thanks for the comment. > >> To not forget about this, can you enter a bug report? > > Strictly, this is not a bug but "implementation limitation", a feature. > But since you propose it, I'll send in the report.
"Wish list item" :-) Josef > > Krzysztof > > > On Mon, Nov 3, 2014 at 8:38 PM, Josef Weidendorfer > <josef.weidendor...@gmx.de <mailto:josef.weidendor...@gmx.de>> wrote: > > Am 31.10.2014 um 16:46 schrieb Krzysztof Czarnowski: > > Cachegrind's cache mode is not very general and I wonder if it makes > > sense to use it on Quark to get at least approximate results on an > > application's cache performance. The Quark's cache is integrated (both > > instruction and data) single level 16kB size with16B line. > > > > My best bet that is to run > > $ valgrind --tool=cachegrind --I1=32,2,16 --D1=32,2,16 --LL=16384,2,16 > prog > > and look at LL statistics. Sure it's not the real thing but seems the > > closest I can get. > > That should do it, yes. The misses of the LL should be a good > estimation for > the misses of the L1 unified cache of the Quark, provided that the Quark > does > something similar to LRU replacement (?). > > Allowing for more flexible cache hierarchy designs (e.g. just one > unified L1) > in cachegrind may be possible, but must be done with care. Naive > solutions which > dynamically check for cache configuration parameters easily could > slow down > the simulation on every platform significantly... > > To not forget about this, can you enter a bug report? > > Josef > > > > > But maybe I miss something and there is some better way... Any > > suggestions welcome, > > Krzysztof > > > > > > > > > > > ------------------------------------------------------------------------------ > > > > > > > > _______________________________________________ > > Valgrind-users mailing list > > Valgrind-users@lists.sourceforge.net > <mailto:Valgrind-users@lists.sourceforge.net> > > https://lists.sourceforge.net/lists/listinfo/valgrind-users > > > > > ------------------------------------------------------------------------------ > _______________________________________________ > Valgrind-users mailing list > Valgrind-users@lists.sourceforge.net > <mailto:Valgrind-users@lists.sourceforge.net> > https://lists.sourceforge.net/lists/listinfo/valgrind-users > > ------------------------------------------------------------------------------ _______________________________________________ Valgrind-users mailing list Valgrind-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/valgrind-users
