NAME speedtest - CPU test for image processing SYNOPSIS speedtest DESCRIPTION speedtest performs several classical image processing opera- tions, and reports the time spent on CPU. The following tests are applied: uniformly distributed noise generation filtering by 3x3 kernel convolution filtering by 5x5 kernel convolution median filtering with 3x3 kernel statistics computation fast fourier transform resampling by a zoom factor of 2.0 speedtest starts by generating an image containing noise only, and then performs all the above operations on this image, and outputs CPU times for each test. CPU times are given for the total time in seconds and the average per pixel time in microseconds. The total and per pixel time are given for all the tests. Notice that the given time values are only estimations, since they are based on wall clock time, not on CPU time. Your results will vary depending on the machine workload.