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153957/PyTables_openFile_Speed.py

Created February 14, 2013 13:34
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In the early version of Gist 4731132 I tested the speed of some retrieving some information from a h5 file. I thought a difference was found when certain steps where skipped. When testing my code in that gist today I found that the various methods gave the same results. Apparently the part that caused the speed difference was the one thing that …
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PyTables_openFile_Speed.py
import timeit
r_relative = timeit.Timer(stmt="read = tables.openFile('[path relative to cwd].h5', 'r'); read.close()", setup='import tables')
min(r_relative(2000, 100))
# 0.04840588569641113
r_absolute = timeit.Timer(stmt="read = tables.openFile('[path starting with /].h5', 'r'); read.close()", setup='import tables')
min(r_absolute.repeat(2000, 100))
# 0.00023484230041503906
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