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Message-ID: <CA+TsHUATLehpG1FgrU0Y=TLMAOTQMG9NbFu9sidOkVKxCSytow@mail.gmail.com>
Date: Mon, 27 May 2013 08:20:18 +0530
From: Sayantan Datta <std2048@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: AMD GCN ISA development
Hi Ronak,
On Fri, May 24, 2013 at 7:02 PM, Ronak <rixor786@...il.com> wrote:
> While trying to align .isa in the inner elf of .elf, I had this thought,
> how kernel is going to run, if we decide to update .il and .isa
> simultaneously, such that each update will be different. With this, we have
> inconsistent kernel. Now two questions need to be asked..
> ** which update will actually run
>
I think it depends on which option you are using at runtime. e.g
"-fno-bin-amdil -fbin-exe" will run the .isa while "fbin-amdil
-fno-bin-exe" should run the il. By default if nothing is specified .isa
will run.
>
> ** Updating both files, will it add to the flexibility of optimizing
> opencl kernels.
>
Yes, it might. If the isa fails(which will for most devices) we might
fallback to il which is more versatile.
Regards,
Sayantan
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