[Bug 43277] Far Cry 3 has poor performance (Ryzen CPU-specific issue?)

[wine-bugs at winehq.org]

https://bugs.winehq.org/show_bug.cgi?id=43277

--- Comment #28 from Berillions <berillions at gmail.com> ---
(In reply to Roderick Colenbrander from comment #27)
> Hm, okay. I forgot one small change for GetLogicalProcessorInformation (the
> test app uses the Ex version). Try to add the following change on top of the
> patch:
> diff --git a/dlls/ntdll/nt.c b/dlls/ntdll/nt.c
> index 8995c362a9..315a91beee 100644
> --- a/dlls/ntdll/nt.c
> +++ b/dlls/ntdll/nt.c
> @@ -1318,9 +1318,7 @@ static inline BOOL
> logical_proc_info_add_by_id(SYSTEM_LOGICAL_PROCESSOR_INFORMAT
>  
>          (*pdata)[i].Relationship = rel;
>          (*pdata)[i].ProcessorMask = mask;
> -        /* TODO: set processor core flags */
> -        (*pdata)[i].u.Reserved[0] = 0;
> -        (*pdata)[i].u.Reserved[1] = id;
> +        (*pdata)[i].u.ProcessCore.Flags = 0x1;
>          *len = i+1;
>      }else{
>          SYSTEM_LOGICAL_PROCESSOR_INFORMATION_EX *dataex;
> 
> This makes cores also reported as logical for
> GetLogicalProcessorInformation. I haven't been able to test or compile this.

After trying to find where the crash came from during the compilation, there is
a typo error here :

(*pdata)[i].u.ProcessCore.Flags = 0x1;
must be to replace by
(*pdata)[i].u.ProcessorCore.Flags = 0x1;

And i test it without success. Always bad performance with all my cpus enabled.

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