[Wine] 64-bit chess engines and wine 1.2

[John Drescher]

On Wed, Aug 4, 2010 at 3:34 AM, MaxM <wineforum-user at winehq.org> wrote:
> Hi,
>
> an interesting new feature of wine 1.2 is it's 64-bit support. Many Windows chess engines gain about 50-80% speed increase when running at 64-bit. Most provide 32-bit and 64-bit engines. But on my 64-bit Ubuntu 10.04 only an error message appears i.e. with the free Stockfish 1.8.
>
>
> Code:
> max at ub64:~/Downloads$ uname -a
> Linux ub64 2.6.32-24-generic #38-Ubuntu SMP Mon Jul 5 09:20:59 UTC 2010 x86_64 GNU/Linux
>
> max at ub64:~/Downloads$ wine --version
> wine-1.2
>
> max at ub64:~/Downloads$ ll st*
> -rw-r--r-- 1 max max 357888 2010-07-02 12:22 stockfish-18-64-ja.exe
> -rw-r--r-- 1 max max 919965 2010-08-03 18:14 stockfish-18-win.zip
>
> max at ub64:~/Downloads$ wine ./stockfish-18-64-ja.exe
> Trying to load PE image for unsupported architecture (AMD-64)
> err:process:create_process starting 64-bit process L"Z:\\home\\max\\Downloads\\stockfish-18-64-ja.exe" not supported on this environment

It looks like you are running a 32 bit wine instead of 64 bit wine on
your 64 bit machine.

John