220718b125af17e34d1948dd99cdd0eb4a20347e,doc/examples/reconst_csa_parallel.py,,,#,20

Before Change

                            mask=None,
                            return_odf=False,
                            normalize_peaks=True)
end_time = time.time()
print("peaks_from_model ran in: " + str(end_time - start_time) + " seconds")

peaks_from_model ran in: 204.913657188 seconds

After Change

                            normalize_peaks=True,
                            nbr_process=4) //default multiprocessing.cpu_count()

time_parallel = time.time() - start_time
print("peaks_from_model_parallel ran in : " + str(time_parallel) + " seconds")

peaks_from_model_parallel ran in :62.6462249756 seconds


start_time = time.time()
csapeaks = peaks_from_model(model=csamodel,
                            data=data,
                            sphere=sphere,
                            relative_peak_threshold=.8,
                            min_separation_angle=45,
                            mask=None,
                            return_odf=False,
                            normalize_peaks=True)

time_single = time.time() - start_time
print("peaks_from_model ran in : " + str(time_single) + " seconds")


peaks_from_model ran in : 186.999890089 seconds


print("Speedup factor : " + str(time_single/time_parallel))


Speedup factor : 3.12166152529

Instances