From 8fa9f44211e5b06a5e4c0859eb31af6a45492222 Mon Sep 17 00:00:00 2001
From: AlexeyAB <alexeyab84@gmail.com>
Date: Tue, 12 Sep 2017 14:16:21 +0000
Subject: [PATCH] Improved speed of yolo_console_dll.cpp - 40 FPS on 4K using GeForce GTX 960
---
src/im2col.c | 10 +++-------
1 files changed, 3 insertions(+), 7 deletions(-)
diff --git a/src/im2col.c b/src/im2col.c
index 1ff45c8..69ec98a 100644
--- a/src/im2col.c
+++ b/src/im2col.c
@@ -18,13 +18,9 @@
int ksize, int stride, int pad, float* data_col)
{
int c,h,w;
- int height_col = (height - ksize) / stride + 1;
- int width_col = (width - ksize) / stride + 1;
- if (pad){
- height_col = 1 + (height-1) / stride;
- width_col = 1 + (width-1) / stride;
- pad = ksize/2;
- }
+ int height_col = (height + 2*pad - ksize) / stride + 1;
+ int width_col = (width + 2*pad - ksize) / stride + 1;
+
int channels_col = channels * ksize * ksize;
for (c = 0; c < channels_col; ++c) {
int w_offset = c % ksize;
--
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