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drirc: setup anv_assume_full_subgroups=16 for UnrealEngine5.1

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We set max subgroup size as 16 for 'UnrealEngine5.1', this improves a
customer benchmark by 50% on A750.

Cc: mesa-stable
Signed-off-by: Tapani Pälli <tapani.palli@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/26385>
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Tapani Pälli 2023-12-12 10:40:38 +02:00 • committed by Marge Bot
parent 7ff8f79a88
commit 012b6fbe63
1 changed files with 1 additions and 0 deletions
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src/util/00-mesa-defaults.conf
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@ -1202,6 +1202,7 @@ TODO: document the other workarounds.
<!-- Disable FCV optimization for Unreal Engine 5.1 workloads. -->
<engine engine_name_match="UnrealEngine5.1">
<option name="anv_disable_fcv" value="true" />
<option name="anv_assume_full_subgroups" value="16" />
</engine>
</device>
<device driver="dzn">