Re: [Valgrind-users] Question about Valgrind tool in Intel new platform

2022-04-21 Thread John Reiser
On 4/20/22 05:18, Yang Zhong wrote: The AMX is the NEW feature in Intel new platform and from host, we can find below cpu flags: amx_bf16, amx_tile, amx_int8 The SPEC can be found in: https://software.intel.com/content/dam/develop/external/us/en/documents/architecture-instructi

Re: [Valgrind-users] Question about Valgrind tool in Intel new platform

2022-04-20 Thread Tom Hughes via Valgrind-users
On 20/04/2022 13:41, Tom Hughes via Valgrind-users wrote: Again until we know what "AMX features" are it's impossible to comment in any detail. So apparently AMX is this: https://en.wikipedia.org/wiki/Advanced_Matrix_Extensions So not only is it new instructions, it is new two dimensional

Re: [Valgrind-users] Question about Valgrind tool in Intel new platform

2022-04-20 Thread Tom Hughes via Valgrind-users
On 20/04/2022 13:18, Yang Zhong wrote: On Wed, Apr 20, 2022 at 09:37:17AM +0100, Tom Hughes wrote: On 20/04/2022 09:01, Yang Zhong wrote: So, from above issue in Intel new platform, the valgrind need do some enablings to be compatible with on new platform? Seems valgrind tool can't identify t

Re: [Valgrind-users] Question about Valgrind tool in Intel new platform

2022-04-20 Thread Yang Zhong
On Wed, Apr 20, 2022 at 09:37:17AM +0100, Tom Hughes wrote: > On 20/04/2022 09:01, Yang Zhong wrote: > > >So, from above issue in Intel new platform, the valgrind need do some > >enablings to be compatible > >with on new platform? Seems valgrind tool can't identify the real HW > >platform becaus

Re: [Valgrind-users] Question about Valgrind tool in Intel new platform

2022-04-20 Thread Tom Hughes via Valgrind-users
On 20/04/2022 09:01, Yang Zhong wrote: So, from above issue in Intel new platform, the valgrind need do some enablings to be compatible with on new platform? Seems valgrind tool can't identify the real HW platform because cpuid can't read correct register value. thanks! When running under va

[Valgrind-users] Question about Valgrind tool in Intel new platform

2022-04-20 Thread Yang Zhong
Hello all, Recently our QAs used valgrind tool(valgrind-3.20.0.GIT) to verify memory leak with Qemu release on Intel new Sapphire Rapids platform. They only focused on Sapphire Rapids' new features which are merged into Linux and Qemu release. #The command /usr/local/bin/valgrind --log-file=/roo