[Scons-users] Help my build get faster... (was SCons and parts)

[Bill Deegan]

You could print the time at beginning and end of a give sconscript file and
just look at the output..

from datetime import datetimeprint("TIME IS:%s"%str(datetime.now()))



On Fri, Aug 11, 2017 at 11:44 AM, Pico Geyer <picogeyer at gmail.com> wrote:

> On Fri, Aug 11, 2017 at 6:49 PM, Bill Deegan <bill at baddogconsulting.com>
> wrote:
> > Can you paste the output from:
> > scons --debug=count,time,memory
> scons --debug=count,time,memory
> scons: Reading SConscript files ...
> scons: done reading SConscript files.
> scons: *** No targets specified and no Default() targets found.  Stop.
> Found nothing to build
> Memory before reading SConscript files:    104071168
> Memory after reading SConscript files:     295059456
> Object counts:
>        pre-   post-
>        read    read   Class
>           0    3003   Action.CommandAction
>           0      11   Action.CommandGeneratorAction
>           0      61   Action.FunctionAction
>           0      35   Action.LazyAction
>           0      44   Action.ListAction
>           0     362   Builder.BuilderBase
>           0      11   Builder.CompositeBuilder
>           0    7415   Builder.OverrideWarner
>           0       2   Environment.Base
>           0    2319   Environment.EnvironmentClone
>           0      58   Environment.OverrideEnvironment
>           0    8570   Executor.Executor
>           0   14600   Node.FS.Base
>           0     819   Node.FS.Dir
>           0    8894   Node.FS.File
>           0   14780   Node.Node
> Total build time: 43.431858 seconds
> Total SConscript file execution time: 42.185255 seconds
> Total SCons execution time: 1.246603 seconds
> Total command execution time: 0.000000 seconds
>
>
> >
> > How many source files?
> It's actually pretty hard for me to tell. There's quite a few
> subprojects, some of which I know nothing about and some external
> libraries which aren't built by scons.
> But I'd guess at least a few thousand.
> > How many custom builders?
> I believe no more than a handful.
> > Are you running shell commands in your sconstruct/sconscripts? (not
> > Commands, but os.system(''), or popen..)
> No
> > Are you using Configure contects?
> No
> > How big is your .sconsign file?
>
> ls -sh .sconsign.dblite
> 19M .sconsign.dblite
>
> Is there an easy way that I can tell how long each Sconscript file
> takes to process.
> I have my suspicion that  one particular SConscript file is taking very
> long.
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