From 787d5345609459f21fd65d2d8b4fcd55201e21a1 Mon Sep 17 00:00:00 2001
From: Joseph Redmon <pjreddie@gmail.com>
Date: Mon, 13 Oct 2014 07:31:10 +0000
Subject: [PATCH] Convolutional working on GPU
---
src/col2im.c | 27 ++++++++++++++++++++++++---
1 files changed, 24 insertions(+), 3 deletions(-)
diff --git a/src/col2im.c b/src/col2im.c
index c418fa5..65db22a 100644
--- a/src/col2im.c
+++ b/src/col2im.c
@@ -80,11 +80,32 @@
cl.error = clSetKernelArg(kernel, i++, sizeof(data_im), (void*) &data_im);
check_error(cl);
- size_t global_size = {channels*height*width*batch};
+ size_t global_size = channels*height*width*batch;
- clEnqueueNDRangeKernel(queue, kernel, 3, 0,
- global_size, 0, 0, 0, 0);
+ clEnqueueNDRangeKernel(queue, kernel, 1, 0,
+ &global_size, 0, 0, 0, 0);
check_error(cl);
}
+void col2im_gpu(float *data_col, int batch,
+ int channels, int height, int width,
+ int ksize, int stride, int pad, float *data_im)
+{
+ int height_col = (height - ksize) / stride + 1;
+ int width_col = (width - ksize) / stride + 1;
+ int channels_col = channels * ksize * ksize;
+
+ size_t size = height_col*width_col*channels_col*batch;
+ cl_mem col_gpu = cl_make_array(data_col, size);
+ size = channels*height*width*batch;
+ cl_mem im_gpu = cl_make_array(data_im, size);
+
+ col2im_ongpu(col_gpu, batch, channels, height, width,
+ ksize, stride, pad, im_gpu);
+
+ cl_read_array(im_gpu, data_im, size);
+ clReleaseMemObject(col_gpu);
+ clReleaseMemObject(im_gpu);
+}
+
#endif
--
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