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Remove reset mode_info array per frame

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The mode_info array was unnecessarily reset to zero every frame
when error resilient mode turned on, given that the mode info
values per block will be assigned during mode search stage.

This commit removes this reset operation. It reduces the runtime
cost on memset operation to 1/3. The overall speed -6 runtime is
reduced by 2%.

Change-Id: I32ecb73338d8995cc0c5147de09357364f13d45b
This commit is contained in:
Jingning Han 2014-12-16 09:21:22 -08:00
parent 01613aa753
commit ccdc448b70
1 changed files with 0 additions and 2 deletions
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2
vp9/common/vp9_entropymode.c
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@ -470,8 +470,6 @@ void vp9_setup_past_independence(VP9_COMMON *cm) {
vpx_memset(cm->prev_mip, 0, cm->mi_stride * (cm->mi_rows + 1) *
sizeof(*cm->prev_mip));
vpx_memset(cm->mip, 0, cm->mi_stride * (cm->mi_rows + 1) * sizeof(*cm->mip));
vp9_zero(cm->ref_frame_sign_bias);
cm->frame_context_idx = 0;