Brice Goglin, le Tue 13 Mar 2012 18:55:29 +0100, a écrit : > Le 13/03/2012 17:04, Hartmut Kaiser a écrit : > >>> But the problems I was seeing were not MSVC specific. It's a > >>> proliferation of arcane (non-POSIX) function use (like strcasecmp, > >>> etc.) missing use of HAVE_UNISTD_H, HAVE_STRINGS_H to wrap > >>> non-standard headers, unsafe mixing of > >>> int32<->int64 data types, reliance on int (and other types) having a > >>> certain bit-size, totally unsafe shift operations, wide use of > >>> (non-C-standard) gcc extensions, etc. Should I go on? > > More investigation shows that the code currently assumes group (and > > processor) masks to be 32 bit, which is not true on 64 bit systems. For > > instance this (topology-windows.c: line 643): > > > > hwloc_bitmap_from_ith_ulong(obj->cpuset, GroupMask[i].Group, > > GroupMask[i].Mask); > > Try applying something like the patch below. Totally untested obviously, > but we'll see if that starts improving lstopo.
That won't work on 32bit systems, where the mask is 32bit only and thus >> 32 is undefined. He will probably be able to provide me with an account on such windows system, let's just wait for that. Samuel