[Mesa-dev] [PATCH 1/2] util/disk_cache: support caches for multiple architectures

[Marek Olšák]

On Thu, Mar 2, 2017 at 5:36 PM, Mike Lothian <mike at fireburn.co.uk> wrote:
> I'm guessing when the code runs the 32bit and 64bit have different build
> times so invalidate the cache and create a new one
>
> On Thu, 2 Mar 2017 at 16:25 Marek Olšák <maraeo at gmail.com> wrote:
>>
>> On Thu, Mar 2, 2017 at 3:03 PM, Mike Lothian <mike at fireburn.co.uk> wrote:
>> > Is this because the 32bit and 64bit versions have slightly different
>> > time
>> > stamps used in the cache directory name? I was under the impression that
>> > the
>> > cache itself could be shared between 32bit & 64bit?
>> >
>> > I guess this only matters for the few games that offer both a 32bit and
>> > 64bit binary, producing duplicate entries in both caches potentially
>>
>> In addition to that, I'd like to know why the CPU architecture is even
>> being considered. IMO, the CPU arch can be ignored for the shader
>> cache completely.

Clearing the cache completely would be unwise. Why not just delete the
oldest entries like any other cache would do.

Marek