Changes between Version 33 and Version 34 of OpenCL_Memo


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Timestamp:
Dec 12, 2011 6:58:03 PM (13 years ago)
Author:
nakasato
Comment:

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  • OpenCL_Memo

    v33 v34  
    11= Tips = 
    22== Disable auto vectorization == 
    3 In the section 6.7.2 (187P) in the OpenCL Specification Version: 1.1 (Revision: 33), "__attribute__((vec_type_hint(<typen>))" is described. This hint controls the autovectorizer in the compiler for OpenCL C. I tested to dump the assembly code for a kernel targeted for AVX instructions with Intel SDK (version 1.5). 
     3In the section 6.7.2 (187 page) in the OpenCL Specification Version: 1.1 (Revision: 33), "__attribute__((vec_type_hint(<typen>))" is described. This hint controls the autovectorizer in the compiler for OpenCL C. I tested this feature by dumping the assembly code for a kernel targeted for AVX instructions with Intel SDK (version 1.5). 
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    55||                  || lines || performance ||