On Monday, November 26, 2012 5:13:38 PM UTC, Robert Bradshaw wrote:
> I remember the pain of having all one-letter variables defined as
> symbolics, and still get bitten by r/R being defined as the R stats
> interfaces.
>
I use r/R as variables all the time and I have never been bitten by that.
What is your issue with it?
It's really hard to profile startup time, but one problem is that the
> variance is much higher than loading any individual module, and the
> other is that it's death by a thousand cuts, with each module only
> taking a couple of ms but the whole being unacceptable.
There isn't much variance between different runs, the numbers are quite
reproducable:
[vbraun@volker-desktop hg]$ sage -startuptime
sage.rings.universal_cyclotomic_field.all
========================================================================
== Slowest modules importing sage.rings.universal_cyclotomic_field.all ==
exclude/ms include/ms #parents module name
1.116 74.131 226 sage.rings.all
== Slowest modules imported by sage.rings.universal_cyclotomic_field.all ==
exclude/ms include/ms #parents module name
0.506 10.309 50 sage.categories.all
0.710 12.117 17 sage.combinat.free_module
0.723 5.653 131 sage.rings.integer_ring
0.853 1.179 39 sage.categories.homset
0.893 1.423 113 sage.categories.map
0.942 0.944 181 sage.misc.abstract_method
0.992 0.992 186 sage.misc.lazy_attribute
1.030 8.994 210 sage.structure.parent
2.664 3.932 224 sage.misc.sageinspect
40.243 239.826 248 sage
== module sage.rings.universal_cyclotomic_field.all ====================
Time to import: 2.499ms
Cumulative time: 15.478ms
Names: universal_cyclotomic_field.all
File:
/home/vbraun/opt/sage-5.5.rc0/local/lib/python2.7/site-packages/sage/rings/universal_cyclotomic_field/all.pyc
[vbraun@volker-desktop hg]$ sage -startuptime
== Slowest module imports (excluding / including children) ==
exclude/ms include/ms #parents module name
1.312 1.569 23 string
1.321 1.324 9 urlparse
1.333 10.185 210 sage.rings.integer
1.341 11.718 8 sage.calculus.calculus
1.342 1.887 1 email.utils
1.355 1.360 152 sage.structure.generators
1.410 50.243 1 sagenb.notebook
1.411 18.751 2 sage.graphs.generic_graph
1.456 1.518 3 sage.combinat.sf.macdonald
1.459 10.605 8 jinja2
1.459 1.742 10 jinja2.utils
1.514 1.520 1 Cookie
1.534 6.589 5 sage.libs.singular.singular
1.548 1.553 4 pickle
1.611 1.617 2 jinja2.lexer
1.803 1.833 1 sage.combinat.words.paths
1.844 1.986 9 sage.interfaces.singular
1.846 2.146 3 sage.schemes.elliptic_curves.heegner
1.945 3.728 25 sage.matrix.matrix2
1.973 2.826 2 werkzeug.routing
2.023 4.249 25 sage.libs.pari.gen
2.068 7.587 11
sage.rings.polynomial.multi_polynomial_libsingular
2.110 13.038 14 sage.functions.other
2.192 2.192 2 _ssl
2.298 2.298 1 sage.ext.c_lib
2.327 13.924 25 inspect
2.392 2.588 6 sage.interacts.library
2.404 14.620 7 sage.rings.quotient_ring
2.455 2.496 1 sage.combinat.sloane_functions
2.489 15.083 1 sage.rings.universal_cyclotomic_field.all
2.534 2.538 2 platform
2.575 36.370 14 IPython
2.638 3.923 224 sage.misc.sageinspect
2.646 2.660 1 doctest
2.782 4.299 3 sage.rings.polynomial.pbori
2.852 2.924 1 sage.libs.cremona.newforms
2.899 36.160 13 sage.rings.complex_double
3.035 3.463 3 sage.matrix.matrix_mod2_dense
3.162 3.713 1 decimal
3.212 3.292 2 sage.libs.linbox.linbox
3.842 4.079 1 sage.misc.latex_macros
4.081 6.252 225 sage.structure.element
6.041 13.908 5 sage.rings.qqbar
6.274 6.364 1 sage.rings.complex_mpc
7.412 7.656 5 tokenize
9.777 10.244 3 pytz
13.291 514.040 4 sage.all
26.976 27.035 6 pkg_resources
34.617 34.619 4 flaskext.babel
39.187 234.036 248 sage
Total time (sum over exclusive time): 549.038ms
Use sage -startuptime <module_name> to get more details about <module_name>.
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