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[Python-Dev] speed up readline() using getc_unlocked()

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> On Solaris 2.6, the configure script doesn't detect that> getc_unlocked() & friends are supported; details available from the> patch.(Fixed now, see the new patch.)> After editing config.h manually to enable them, the results are:>> Before getc_unlocked patch:> total 1559913 chars and 32513 lines> count_chars_lines     0.892  0.730> readlines_sizehint    0.329  0.300> using_fileinput       4.612  4.470> while_readline        2.739  2.670>> After patch:> total 1559913 chars and 32513 lines> count_chars_lines     0.698  0.680> readlines_sizehint    0.273  0.270> using_fileinput       2.707  2.700> while_readline        0.778  0.780> amarok src>>> With a patched version of fileinput.py:> using_fileinput       1.675  1.680Thanks!  The bottom line seems to be that your basic readline loop isstill 3x as slow as the fastest way -- so there's still a lot to sayfor xreadlines...--Guido van Rossum (home page:http://www.python.org/~guido/)

• Previous message:[Python-Dev] speed up readline() using getc_unlocked()
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