[wdmaudiodev] Re: Audio stack in 32-bit Vista VM guest is MUCH slower than in 64-bit Vista guest
- From: "Peter Scott" <PScott@xxxxxxxxxxxxxxxxx>
- To: wdmaudiodev@xxxxxxxxxxxxx
- Date: Tue, 5 Aug 2008 17:54:46 +0000
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Kernel Drivers
Windows File System and Device Driver Consulting
www.KernelDrivers.com
866.263.9295
-----Original Message-----
From: Tim Roberts <timr@xxxxxxxxx>
Date: Tue, 05 Aug 2008 09:40:40
To: <wdmaudiodev@xxxxxxxxxxxxx>
Subject: [wdmaudiodev] Re: Audio stack in 32-bit Vista VM guest is MUCH slower
than in 64-bit Vista guest
Eugene Muzychenko wrote:
> To debug my kernel-mode code, I use several VMs under VMware
> Workstation (now 6.0.4 but no difference since 5.5) - Windows 2000, XP
> (32 and 64-bit), 2003 (32-bit), Vista (32 and 64-bit). I noticed that
> 32-bit Vista guest works MUCH slower than all other OSes, regardless
> of their bitness. All other OSes, including 64-bit Vista, have good
> performance; 64-bit Vista is slower, of course, but 32-bit Vista is
> VERY slow.
>
Based on my experience, your last sentence is true even if you aren't
using VMs.
However, I can also tell you that SP1 improves things considerably.
After installing SP1, I no longer dread having to test my drivers on
Vista. It's almost usable. If you haven't done so already, I strongly
recommend you install SP1 on these systems.
--
Tim Roberts, timr@xxxxxxxxx
Providenza & Boekelheide, Inc.
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