#13361: Report startuptime exclusive children
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Reporter: vbraun | Owner: tbd
Type: enhancement | Status: needs_review
Priority: major | Milestone: sage-5.4
Component: performance | Resolution:
Keywords: | Work issues:
Report Upstream: N/A | Reviewers: John Palmieri
Authors: Volker Braun | Merged in:
Dependencies: | Stopgaps:
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Changes (by jhpalmieri):
* reviewer: => John Palmieri
Old description:
> Right now `sage -startuptime` reports startup time including children.
> This isn't particularly useful since that just means that the first
> module (which loads most of sage as dependencies) is the slowest. The
> more meaningful number is exclusive children, which can tell us if the
> module does computations during initialization.
>
> * Apply [attachment:trac_13361_startuptime.patch] to the scripts
> (`SAGE_LOCAL/bin`) repository.
> * Apply [attachment:trac_13361_startuptime_args.patch] to the root
> repository.
> * Apply [attachment:trac_13361_fix_test.patch] to the Sage library
New description:
Right now `sage -startuptime` reports startup time including children.
This isn't particularly useful since that just means that the first module
(which loads most of sage as dependencies) is the slowest. The more
meaningful number is exclusive children, which can tell us if the module
does computations during initialization.
* Apply [attachment:trac_13361_startuptime.patch] to the scripts
(`SAGE_LOCAL/bin`) repository.
* Apply [attachment:trac_13361_startuptime_args.patch] and
[attachment:trac_13361-root-referee.patch] to the root repository.
* Apply [attachment:trac_13361_fix_test.patch] and [attachment:trac_13361
-sagelib-referee.patch] to the Sage library
--
Comment:
Two questions:
- would it be useful to be able to sort by times including children
(keeping the default as is) by specifying a command-line argument? (I
don't know the answer to this one.)
- should the usage `sage --startuptime [modulename]` be documented in
`sage --advanced` and in `devel/sage/doc/en/reference/options.rst`? (I
think the answer to this one is "yes". See the attached referee patches.)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/13361#comment:6>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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