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Date: Fri, 20 Apr 2012 23:26:04 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: cl_khr_byte_addressable_store
On 04/20/2012 10:45 PM, SAYANTAN DATTA wrote:
> On Sat, Apr 21, 2012 at 1:57 AM, magnum <john.magnum@...hmail.com> wrote:
>> On 04/20/2012 10:19 PM, SAYANTAN DATTA wrote:
>>> I think none of the current opencl format except mine( opencl-mscah2)
>> runs
>>> on 4000 series hardware. We could have two versions of kernels one for
>> 4000
>>> series and another for 5000 series or above.
>>
>> Are you sure? The few I looked at more closely (like ssha) do not write
>> to char pointers, they only read them and if I understand things
>> correctly this is OK with any GPU.
>
> Yes you are right.I found four kernels working properly on 4890. Sorry ,I
> didn't checked all of them unit today. Here's the list that doesn't work:
>
> Does not work on Ati 4000 series:
>
> cryptmd5_kernel.cl
> cryptsha512_kernel.cl
> md4_kernel.cl
> md5_kernel.cl
> phpass_kernel.cl
> rar_kernel.cl
> wpapsk_kernel.cl
> xsha512_kernel.cl
>
That was more than I expected. Many of these I'm pretty sure could be
fixed with no downside. I suppose anyone of us could fix them if we do
something like this:
#ifdef cl_khr_byte_addressable_store
#pragma OPENCL EXTENSION cl_khr_byte_addressable_store: disable
#endif
magnum
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