www.gusucode.com > signal 案例源码程序 matlab代码 > signal/benchXcorrVec.m

    function t = benchXcorrVec(u,v, numruns)
%Used to benchmark xcorr with vector inputs on the CPU and GPU.
    
%   Copyright 2012 The MathWorks, Inc.

    timevec = zeros(1,numruns);
    gdev = gpuDevice;
    for ii=1:numruns
        ts = tic;
        o = xcorr(u,v); %#ok<NASGU>
        wait(gdev)
        timevec(ii) = toc(ts);
        fprintf('.');
    end
    t = min(timevec);
end