Re: FW: SCons building M4 targets comparatively slowly.

Bill Deegan <[email protected]>
Newsgroups gmane.comp.programming.tools.scons.user
Message-ID <CAEyG4CF5Dz0djPaYBDtDZ5wcJPD88gV-0xDnb7Q12APp5pbTdw@mail.gmail.com> 
What happens if you delete your .sconsign.dblite file?
Does the build go back down to 5.4s?

On Mon, Mar 25, 2019 at 7:50 PM Tony Peter Long <[email protected]>
wrote:

> Hello all.
>
> My apologies for neglecting to respond sooner, but I was unexpectedly
> reassigned to another task. When I finally did return to this issue, I
> found that it had appeared to resolve itself after restarting my machine;
> the build time was now very comparable to Make (5.4s). Thinking that the
> issue might perhaps be related to one or more other applications I had been
> running in the meantime hogging resources, I decided to leave the problem
> and work on something else. This morning, after allowing my machine to run
> for several days without restart, I tried again, and lo and behold, the
> build now took about 29s. Feeling confident I was honing in on the issue, I
> quickly restarted my machine and tried another build.
>
> It still took 24 seconds.
>
> So now I'm right back where I began. Just to reiterate, I always check
> Make as well for comparison and it consistently takes about 4 or 5 seconds
> no matter the conditions.
>
> As requested last time, I have created a github repo with my SCons files
> and source files of equivalent length:
> https://github.com/TonyPeterLong/scons
>
> FYI, my OS is Windows 10 Enterprise, Version 10.0.17134 Build 17134.
>
> Regards,
> Tony.
>
> -----Original Message-----
> From: Scons-users [mailto:[email protected]] On Behalf Of
> [email protected]
> Sent: Thursday, March 14, 2019 12:08
> To: [email protected]
> Subject: Scons-users Digest, Vol 89, Issue 11
>
> Send Scons-users mailing list submissions to
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> Today's Topics:
>
>    1. Re: FW: SCons building M4 targets comparatively slowly.
>       (Tony Peter Long)
>    2. Re: FW: SCons building M4 targets comparatively slowly.
>       (Bill Deegan)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Wed, 13 Mar 2019 08:51:29 +0000
> From: Tony Peter Long <[email protected]>
> To: "[email protected]" <[email protected]>
> Subject: Re: [Scons-users] FW: SCons building M4 targets comparatively
>         slowly.
> Message-ID:
>         <
> VI1PR04MB30386CB690B442ECC1711CD08D4A0@VI1PR04MB3038.eurprd04.prod.outlook.com
> >
>
> Content-Type: text/plain; charset="us-ascii"
>
> Hello Bill.
>
> There are 8 files ranging from 417KB to 3KB. All 8 files together total
> 756KB.
>
> Tony.
>
> -----Original Message-----
> From: Scons-users [mailto:[email protected]] On Behalf Of
> [email protected]
> Sent: Wednesday, March 13, 2019 12:42
> To: [email protected]
> Subject: Scons-users Digest, Vol 89, Issue 10
>
> Send Scons-users mailing list submissions to
>         [email protected]
>
> To subscribe or unsubscribe via the World Wide Web, visit
>
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpairlist4.pair.net%2Fmailman%2Flistinfo%2Fscons-users&amp;data=02%7C01%7Ctony.peterlong%40nxp.com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636881368810058274&amp;sdata=cx94rf%2BmSwhfY81nhlsqGOx6jtRco0E5aQq3VQrtocI%3D&amp;reserved=0
> or, via email, send a message with subject or body 'help' to
>         [email protected]
>
> You can reach the person managing the list at
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> When replying, please edit your Subject line so it is more specific than
> "Re: Contents of Scons-users digest..."
>
>
> Today's Topics:
>
>    1. FW: SCons building M4 targets comparatively slowly.
>       (Tony Peter Long)
>    2. Re: FW: SCons building M4 targets comparatively slowly.
>       (Bill Deegan)
>
>
> ----------------------------------------------------------------------
>
> Message: 1
> Date: Tue, 12 Mar 2019 10:38:55 +0000
> From: Tony Peter Long <[email protected]>
> To: "[email protected]" <[email protected]>
> Subject: [Scons-users] FW: SCons building M4 targets comparatively
>         slowly.
> Message-ID:
>         <
> VI1PR04MB3038801418F3921A848DB09D8D490@VI1PR04MB3038.eurprd04.prod.outlook.com
> >
>
> Content-Type: text/plain; charset="us-ascii"
>
> Hi all.
>
> I have an issue with SCons taking quite a long time for what - as far as I
> can tell - is a fairly trivial build. I posted a question on StackOverflow
> about a week ago, and although I got a couple of responses, I haven't found
> anything to help me get to the root of what I'm doing to make it so slow.
> You can find my question and my code on StackOverflow here:
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F55014873%2Fwhat-is-making-my-scons-build-take-so-long&amp;data=02%7C01%7Ctony.peterlong%40nxp.com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636881368810058274&amp;sdata=BPYiGWVo8Bf3ifOdTm86FRg5G%2FcA8lX7Z1R2W%2B5Ay48%3D&amp;reserved=0
> .
>
> Any help is appreciated.
>
> Thanks.
>
>
> -------------- next part --------------
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> >
>
> ------------------------------
>
> Message: 2
> Date: Tue, 12 Mar 2019 10:03:32 -0400
> From: Bill Deegan <[email protected]>
> To: SCons users mailing list <[email protected]>
> Subject: Re: [Scons-users] FW: SCons building M4 targets comparatively
>         slowly.
> Message-ID:
>         <
> CAEyG4CHkqBtMfjDw+60ftsXSvKHRnpt2n5RZRMaOi5oOwMz5FA@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Tony,
>
> How big are the files you're running through m4?
> (bytes)
>
> -Bill
>
> On Tue, Mar 12, 2019 at 6:39 AM Tony Peter Long <[email protected]>
> wrote:
>
> > Hi all.
> >
> >
> >
> > I have an issue with SCons taking quite a long time for what ? as far
> > as I can tell ? is a fairly trivial build. I posted a question on
> > StackOverflow about a week ago, and although I got a couple of
> > responses, I haven?t found anything to help me get to the root of what
> I?m doing to make it so slow.
> > You can find my question and my code on StackOverflow here:
> >
> https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstackoverflow.com%2Fquestions%2F55014873%2Fwhat-is-making-my-scons-build-take-so-long&amp;data=02%7C01%7Ctony.peterlong%40nxp.com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636881368810068284&amp;sdata=3MyDwPPA48ZMoVKr07xxmrA4FhYvtLhl8Y4Cfa0M%2BN8%3D&amp;reserved=0
> .
> >
> >
> >
> >
> > Any help is appreciated.
> >
> >
> >
> > Thanks.
> >
> >
> >
> >
> > _______________________________________________
> > Scons-users mailing list
> > [email protected]
> > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpai
> > rlist4.pair.net%2Fmailman%2Flistinfo%2Fscons-users&amp;data=02%7C01%7C
> > tony.peterlong%40nxp.com%7Cf19e94e8979e428dc73f08d6a7769ce5%7C686ea1d3
> > bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636880525209964960&amp;sdata=NUukH4
> > hBNG61qR1om9Q7cvX%2F9ksi2LMJchSAXmmHqtQ%3D&amp;reserved=0
> >
> -------------- next part --------------
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>
> ------------------------------
>
> Subject: Digest Footer
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>
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> ------------------------------
>
> End of Scons-users Digest, Vol 89, Issue 10
> *******************************************
>
>
> ------------------------------
>
> Message: 2
> Date: Wed, 13 Mar 2019 22:01:40 -0700
> From: Bill Deegan <[email protected]>
> To: SCons users mailing list <[email protected]>
> Subject: Re: [Scons-users] FW: SCons building M4 targets comparatively
>         slowly.
> Message-ID:
>         <
> CAEyG4CEJiLqnRKGfn_uxRvzJSQ32+rT4ewPqan1cUitdtaf5zw@mail.gmail.com>
> Content-Type: text/plain; charset="utf-8"
>
> Can you create a mock test with equivalent length files filled with "a"
> and create a github repo so we can try to repro?
>
> Thanks,
> Bill
>
> On Wed, Mar 13, 2019 at 1:51 AM Tony Peter Long <[email protected]>
> wrote:
>
> > Hello Bill.
> >
> > There are 8 files ranging from 417KB to 3KB. All 8 files together
> > total 756KB.
> >
> > Tony.
> >
> > -----Original Message-----
> > From: Scons-users [mailto:[email protected]] On Behalf Of
> > [email protected]
> > Sent: Wednesday, March 13, 2019 12:42
> > To: [email protected]
> > Subject: Scons-users Digest, Vol 89, Issue 10
> >
> > Send Scons-users mailing list submissions to
> >         [email protected]
> >
> > To subscribe or unsubscribe via the World Wide Web, visit
> >
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpair
> > list4.pair.net%2Fmailman%2Flistinfo%2Fscons-users&amp;data=02%7C01%7Ct
> > ony.peterlong%40nxp.com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3b
> > c2b4c6fa92cd99c5c301635%7C0%7C0%7C636881368810068284&amp;sdata=pg912Qg
> > gRb7zBBdmihqjqaItdS10H%2B5zIwd6EiN9LyE%3D&amp;reserved=0
> > or, via email, send a message with subject or body 'help' to
> >         [email protected]
> >
> > You can reach the person managing the list at
> >         [email protected]
> >
> > When replying, please edit your Subject line so it is more specific
> > than
> > "Re: Contents of Scons-users digest..."
> >
> >
> > Today's Topics:
> >
> >    1. FW: SCons building M4 targets comparatively slowly.
> >       (Tony Peter Long)
> >    2. Re: FW: SCons building M4 targets comparatively slowly.
> >       (Bill Deegan)
> >
> >
> > ----------------------------------------------------------------------
> >
> > Message: 1
> > Date: Tue, 12 Mar 2019 10:38:55 +0000
> > From: Tony Peter Long <[email protected]>
> > To: "[email protected]" <[email protected]>
> > Subject: [Scons-users] FW: SCons building M4 targets comparatively
> >         slowly.
> > Message-ID:
> >         <
> > VI1PR04MB3038801418F3921A848DB09D8D490@VI1PR04MB3038.eurprd04.prod.out
> > look.com
> > >
> >
> > Content-Type: text/plain; charset="us-ascii"
> >
> > Hi all.
> >
> > I have an issue with SCons taking quite a long time for what - as far
> > as I can tell - is a fairly trivial build. I posted a question on
> > StackOverflow about a week ago, and although I got a couple of
> > responses, I haven't found anything to help me get to the root of what
> I'm doing to make it so slow.
> > You can find my question and my code on StackOverflow here:
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstac
> > koverflow.com%2Fquestions%2F55014873%2Fwhat-is-making-my-scons-build-t
> > ake-so-long&amp;data=02%7C01%7Ctony.peterlong%40nxp.com%7C86be5641cf6b
> > 47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6368
> > 81368810068284&amp;sdata=3MyDwPPA48ZMoVKr07xxmrA4FhYvtLhl8Y4Cfa0M%2BN8
> > %3D&amp;reserved=0
> > .
> >
> > Any help is appreciated.
> >
> > Thanks.
> >
> >
> > -------------- next part -------------- An HTML attachment was
> > scrubbed...
> > URL: <
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fpair
> > list4.pair.net%2Fpipermail%2Fscons-users%2Fattachments%2F20190312%2F32
> > 361199%2Fattachment-0001.html&amp;data=02%7C01%7Ctony.peterlong%40nxp.
> > com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301
> > 635%7C0%7C0%7C636881368810068284&amp;sdata=%2FFQeOV%2B9lOvLLczct2cSFr0
> > sjazmWuRgR4ohGc7%2FubM%3D&amp;reserved=0
> > >
> >
> > ------------------------------
> >
> > Message: 2
> > Date: Tue, 12 Mar 2019 10:03:32 -0400
> > From: Bill Deegan <[email protected]>
> > To: SCons users mailing list <[email protected]>
> > Subject: Re: [Scons-users] FW: SCons building M4 targets comparatively
> >         slowly.
> > Message-ID:
> >         <
> > CAEyG4CHkqBtMfjDw+60ftsXSvKHRnpt2n5RZRMaOi5oOwMz5FA@mail.gmail.com>
> > Content-Type: text/plain; charset="utf-8"
> >
> > Tony,
> >
> > How big are the files you're running through m4?
> > (bytes)
> >
> > -Bill
> >
> > On Tue, Mar 12, 2019 at 6:39 AM Tony Peter Long
> > <[email protected]>
> > wrote:
> >
> > > Hi all.
> > >
> > >
> > >
> > > I have an issue with SCons taking quite a long time for what ? as
> > > far as I can tell ? is a fairly trivial build. I posted a question
> > > on StackOverflow about a week ago, and although I got a couple of
> > > responses, I haven?t found anything to help me get to the root of
> > > what
> > I?m doing to make it so slow.
> > > You can find my question and my code on StackOverflow here:
> > >
> > https://eur01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fstac
> > koverflow.com%2Fquestions%2F55014873%2Fwhat-is-making-my-scons-build-t
> > ake-so-long&amp;data=02%7C01%7Ctony.peterlong%40nxp.com%7C86be5641cf6b
> > 47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C6368
> > 81368810068284&amp;sdata=3MyDwPPA48ZMoVKr07xxmrA4FhYvtLhl8Y4Cfa0M%2BN8
> > %3D&amp;reserved=0
> > .
> > >
> > >
> > >
> > >
> > > Any help is appreciated.
> > >
> > >
> > >
> > > Thanks.
> > >
> > >
> > >
> > >
> > > _______________________________________________
> > > Scons-users mailing list
> > > [email protected]
> > > https://emea01.safelinks.protection.outlook.com/?url=https%3A%2F%2Fp
> > > ai
> > > rlist4.pair.net%2Fmailman%2Flistinfo%2Fscons-users&amp;data=02%7C01%
> > > 7C
> > > tony.peterlong%40nxp.com%7Cf19e94e8979e428dc73f08d6a7769ce5%7C686ea1
> > > d3
> > > bc2b4c6fa92cd99c5c301635%7C0%7C0%7C636880525209964960&amp;sdata=NUuk
> > > H4
> > > hBNG61qR1om9Q7cvX%2F9ksi2LMJchSAXmmHqtQ%3D&amp;reserved=0
> > >
> > -------------- next part -------------- An HTML attachment was
> > scrubbed...
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> > list4.pair.net%2Fpipermail%2Fscons-users%2Fattachments%2F20190312%2F92
> > ed6532%2Fattachment-0001.html&amp;data=02%7C01%7Ctony.peterlong%40nxp.
> > com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3bc2b4c6fa92cd99c5c301
> > 635%7C0%7C0%7C636881368810078293&amp;sdata=ISQ7fkBvOaW%2BrbHPx6PXr%2B%
> > 2FsKdp0Nh34jDoT0Au4PGI%3D&amp;reserved=0
> > >
> >
> > ------------------------------
> >
> > Subject: Digest Footer
> >
> > _______________________________________________
> > Scons-users mailing list
> > [email protected]
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> > ony.peterlong%40nxp.com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3b
> > c2b4c6fa92cd99c5c301635%7C0%7C0%7C636881368810078293&amp;sdata=%2FsUkP
> > YZIUPIeDkHhgnG3Ox%2Bx5gAAvaFePlLd5YJYfVM%3D&amp;reserved=0
> >
> >
> > ------------------------------
> >
> > End of Scons-users Digest, Vol 89, Issue 10
> > *******************************************
> > _______________________________________________
> > Scons-users mailing list
> > [email protected]
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> > ony.peterlong%40nxp.com%7C86be5641cf6b47e8635008d6a83b06aa%7C686ea1d3b
> > c2b4c6fa92cd99c5c301635%7C0%7C0%7C636881368810078293&amp;sdata=%2FsUkP
> > YZIUPIeDkHhgnG3Ox%2Bx5gAAvaFePlLd5YJYfVM%3D&amp;reserved=0
> >
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> ------------------------------
>
> End of Scons-users Digest, Vol 89, Issue 11
> *******************************************
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