Comments on: Matrix Convolution using OpenCL reveals somewhat weird results on an Apple Macbook Pro http://www.mathieusavard.info/blog/2010/04/matrix-convolution-using-opencl-reveals-somewhat-weird-results-on-an-apple-macbook-pro/ Just another WordPress weblog Wed, 18 May 2011 19:55:24 +0000 hourly 1 http://wordpress.org/?v=3.3.1 By: sasanka http://www.mathieusavard.info/blog/2010/04/matrix-convolution-using-opencl-reveals-somewhat-weird-results-on-an-apple-macbook-pro/comment-page-1/#comment-24 sasanka Mon, 29 Nov 2010 09:42:40 +0000 http://www.mathieusavard.info/blog/?p=5#comment-24 We have implemented a same code like you. But we are having some problems... 1. The execution time on GPU is getting more than on CPU. 2. I also want to know what is the difference between asynchronous mode and synchronous mode of data transmission. You also used synchronous. When we tried with asynchronous we are missing some data. 3. You used a function gettimeofday() in getclock(). I didnt find the function definition. Please help me in this regard. Thanks in advance... We have implemented a same code like you. But we are having some problems…

1. The execution time on GPU is getting more than on CPU.
2. I also want to know what is the difference between asynchronous mode and synchronous mode of data transmission. You also used synchronous. When we tried with asynchronous we are missing some data.
3. You used a function gettimeofday() in getclock(). I didnt find the function definition.

Please help me in this regard.

Thanks in advance…

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