I think I've seen cases where the device-tree contains 0 for such line sizes. I guess we should document that the line size is 0 means unknown.
Can you send the tarball generated by hwloc-gather-topology ? (send it only to, in a private email) Brice Le 27/02/2013 23:11, Erik Schnetter a écrit : > I am running hwloc 1.7a1r5312 on a Power7 architecture. I find there a > level 2 cache with a cacheline size of 0. Is this to be expected? The > documentation doesn't say that determining the cacheline size may fail. > > I query the cache parameters from my application with these results: > > Cache (unknown name) has type "data" depth 1 > size 32768 linesize 128 associativity 8 stride 4096 > Cache (unknown name) has type "unified" depth 2 > size 262144 linesize 0 associativity 8 stride 32768 > > -erik > > -- > Erik Schnetter <schnet...@cct.lsu.edu <mailto:schnet...@cct.lsu.edu>> > http://www.perimeterinstitute.ca/personal/eschnetter/ > > > _______________________________________________ > hwloc-users mailing list > hwloc-us...@open-mpi.org > http://www.open-mpi.org/mailman/listinfo.cgi/hwloc-users
