OCL: DFT performance stabilization#3121
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opencv-pushbot merged 1 commit intoopencv:masterfrom Aug 19, 2014
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@ElenaGvozdeva please review. |
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Description
Attempt to stabilize performance tests results for DFT: changed twiddle buffer creation.
Instead of
"MatAllocation->Fill twiddles buffer -> clCreateBuffer(.., CL_MEM_USE_HOST_PTR or CL_MEM_COPY_HOST_PTR, ..)"
used
"clCreateBuffer() -> clEnqueueMapBuffer() -> Fill twiddles buffer".
Performance report
http://ocl.itseez.com/intel/export/perf/pr/3121/report/
check_regression=_OCL_Dft*
test_filter=_OCL_Dft*
test_modules=core
build_examples=OFF