diff mbox series

[v5,2/2] config/arm: disable SVE ACLE for cn10k

Message ID 20220519132830.3677023-2-rbhansali@marvell.com (mailing list archive)
State Accepted
Delegated to: Thomas Monjalon
Headers show
Series [v5,1/2] config/arm: add SVE ACLE control flag | expand

Checks

Context Check Description
ci/iol-abi-testing success Testing PASS
ci/iol-x86_64-compile-testing success Testing PASS
ci/iol-x86_64-unit-testing success Testing PASS
ci/iol-aarch64-compile-testing success Testing PASS
ci/iol-aarch64-unit-testing success Testing PASS
ci/github-robot: build success github build: passed
ci/iol-intel-Functional success Functional Testing PASS
ci/iol-intel-Performance success Performance Testing PASS
ci/intel-Testing success Testing PASS
ci/Intel-compilation success Compilation OK
ci/checkpatch success coding style OK

Commit Message

Rahul Bhansali May 19, 2022, 1:28 p.m. UTC
This disable the sve_acle flag for cn10k.

For native build, -Dplatform=cn10k will require to
get sve_acle flag parameter in the build.

Performance impact:-
With l3fwd example, lpm lookup performance increased
by ~21% if Neon is used instead of SVE. Hence, disabled
sve_acle flag for cn10k.

Signed-off-by: Rahul Bhansali <rbhansali@marvell.com>
Reviewed-by: Chengwen Feng <fengchengwen@huawei.com>
Acked-by: Ruifeng Wang <ruifeng.wang@arm.com>
---
Changes in v5: Updated commit message.

Changes in v4:
- Resend patches. With v3, patches were not sent properly
in single series.

Changes in v3: No change

Changes in v2:
- Renamed the flag to sve_acle from sve

 config/arm/meson.build | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

--
2.25.1

Comments

Thomas Monjalon June 1, 2022, 10:38 p.m. UTC | #1
19/05/2022 15:28, Rahul Bhansali:
> This disable the sve_acle flag for cn10k.
> 
> For native build, -Dplatform=cn10k will require to
> get sve_acle flag parameter in the build.
> 
> Performance impact:-
> With l3fwd example, lpm lookup performance increased
> by ~21% if Neon is used instead of SVE. Hence, disabled
> sve_acle flag for cn10k.
> 
> Signed-off-by: Rahul Bhansali <rbhansali@marvell.com>
> Reviewed-by: Chengwen Feng <fengchengwen@huawei.com>
> Acked-by: Ruifeng Wang <ruifeng.wang@arm.com>

Series applied, thanks.
diff mbox series

Patch

diff --git a/config/arm/meson.build b/config/arm/meson.build
index 6f8961eac8..a94129168f 100644
--- a/config/arm/meson.build
+++ b/config/arm/meson.build
@@ -281,7 +281,8 @@  soc_cn10k = {
     ],
     'part_number': '0xd49',
     'extra_march_features': ['crypto'],
-    'numa': false
+    'numa': false,
+    'sve_acle': false
 }

 soc_dpaa = {