Jeff Enos <[EMAIL PROTECTED]> writes: > Thanks for these suggestions. C-level profiling yields the following: > > % cumulative self self total > time seconds seconds calls s/call s/call name > 36.01 5.34 5.34 100000 0.00 0.00 get_locale_strings > 4.32 5.98 0.64 100000 0.00 0.00 mktime00 > 3.98 6.57 0.59 277462 0.00 0.00 Rf_eval > 3.71 7.12 0.55 472935 0.00 0.00 Rf_findVarInFrame3 > 3.64 7.66 0.54 100000 0.00 0.00 strptime_internal > 3.51 8.18 0.52 1 0.52 7.51 do_strptime > > It looks like strftime is called from get_locale_strings, which might > be the culprit. Any suggestions on where I might go from here?
You might try modifying get_locale_strings (and its wide counterpart) with a check for an unchanged locale. E.g. static char *last_LC_TIME=NULL; .... tmp = setlocale(LC_TIME, NULL) if (strcmp(tmp, last_LC_TIME)) return; last_LC_TIME = tmp; .... set the strings .... if the call to setlocale is considerably faster than 40 calls to strftime(), you might have a winner. -- O__ ---- Peter Dalgaard Blegdamsvej 3 c/ /'_ --- Dept. of Biostatistics 2200 Cph. N (*) \(*) -- University of Copenhagen Denmark Ph: (+45) 35327918 ~~~~~~~~~~ - ([EMAIL PROTECTED]) FAX: (+45) 35327907 ______________________________________________ R-devel@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-devel
