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Add 64x64 sub_pel_variance Neon function

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On Nexus 7 speed -5, -6, -7, and -8 saw about a 15% increase
in perf for 480p. Speeds -5, -6, -7, and -8 saw about a 10%
increase in perf for 720p.

Tested on Nexus 7, built with ndk r10d, gcc 4.9.

Change-Id: I2fa5315845e3021c9a6e2ea47e52e68b398d8334
This commit is contained in:
Frank Galligan
2015-01-13 23:01:06 -08:00
parent bd3dbc588c
commit ec1d8387e1
3 changed files with 24 additions and 2 deletions
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5
test/variance_test.cc
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@@ -1932,11 +1932,14 @@ const vp9_subpixvariance_fn_t subpel_variance16x16_neon =
vp9_sub_pixel_variance16x16_neon;
const vp9_subpixvariance_fn_t subpel_variance32x32_neon =
vp9_sub_pixel_variance32x32_neon;
const vp9_subpixvariance_fn_t subpel_variance64x64_neon =
vp9_sub_pixel_variance64x64_neon;
INSTANTIATE_TEST_CASE_P(
NEON, VP9SubpelVarianceTest,
::testing::Values(make_tuple(3, 3, subpel_variance8x8_neon, 0),
make_tuple(4, 4, subpel_variance16x16_neon, 0),
make_tuple(5, 5, subpel_variance32x32_neon, 0)));
make_tuple(5, 5, subpel_variance32x32_neon, 0),
make_tuple(6, 6, subpel_variance64x64_neon, 0)));
#endif // HAVE_NEON
#endif // CONFIG_VP9_ENCODER