On 4/30/21 7:46 AM, Kevin Peterson via Tech-talk wrote:
> Is there are reason the linux-x86_64 build products of base-7.0.5 are 10x larger than the build products of base-7.0.4.1?
Different compiler, or different compile/link flags?
It is also worth comparing code size vs. file size. c++ debug symbols text to explode
object file size, but not actual code (aka. program text) size.
My working build of the 7.0 branch:
> $ ls -l lib/linux-x86_64*/libca.so.*
> -r-xr-xr-x 1 mdavidsaver mdavidsaver 2.1M Apr 29 15:53 lib/linux-x86_64-debug/libca.so.4.13.9
> -r-xr-xr-x 1 mdavidsaver mdavidsaver 3.6M Apr 29 15:47 lib/linux-x86_64/libca.so.4.13.9
> $ size lib/linux-x86_64*/libca.so.*
> text data bss dec hex filename
> 383925 14536 224 398685 6155d lib/linux-x86_64-debug/libca.so.4.13.9
> 320490 13008 224 333722 5179a lib/linux-x86_64/libca.so.4.13.9
Note that the debug build has smaller file size, but larger code/text size.
> The 7.0.4.1 libraries are 28M:
>
> [computer base-7.0.4.1]$ vdir -h lib/linux-x86_64/
> total 28M
> -r--r--r-- 1 user group 874K Apr 19 19:34 libca.a
> -r-xr-xr-x 1 user group 71K Apr 19 19:36 libCap5.so*
> lrwxrwxrwx 1 user group 15 Apr 19 19:34 libca.so -> libca.so.4.13.7*
> -r-xr-xr-x 1 user group 520K Apr 19 19:34 libca.so.4.13.7*
> -r--r--r-- 1 user group 1009K Apr 19 19:29 libCom.a
> lrwxrwxrwx 1 user group 16 Apr 19 19:29 libCom.so -> libCom.so.3.18.1*
> -r-xr-xr-x 1 user group 544K Apr 19 19:29 libCom.so.3.18.1*
> -r--r--r-- 1 user group 1.1M Apr 19 19:37 libdbCore.a
> lrwxrwxrwx 1 user group 19 Apr 19 19:37 libdbCore.so -> libdbCore.so.3.18.1*
> -r-xr-xr-x 1 user group 667K Apr 19 19:37 libdbCore.so.3.18.1*
> -r--r--r-- 1 user group 657K Apr 19 19:39 libdbRecStd.a
> lrwxrwxrwx 1 user group 21 Apr 19 19:39 libdbRecStd.so -> libdbRecStd.so.3.18.1*
> -r-xr-xr-x 1 user group 375K Apr 19 19:39 libdbRecStd.so.3.18.1*
> -r--r--r-- 1 user group 1.7M Apr 19 20:08 libnt.a
> lrwxrwxrwx 1 user group 14 Apr 19 20:08 libnt.so -> libnt.so.6.0.2*
> -r-xr-xr-x 1 user group 753K Apr 19 20:08 libnt.so.6.0.2*
> -r--r--r-- 1 user group 4.3M Apr 19 19:56 libpvAccess.a
> -r--r--r-- 1 user group 883K Apr 19 20:03 libpvAccessCA.a
> lrwxrwxrwx 1 user group 22 Apr 19 20:03 libpvAccessCA.so -> libpvAccessCA.so.7.1.2*
> -r-xr-xr-x 1 user group 481K Apr 19 20:03 libpvAccessCA.so.7.1.2*
> -r--r--r-- 1 user group 75K Apr 19 20:04 libpvAccessIOC.a
> lrwxrwxrwx 1 user group 23 Apr 19 20:04 libpvAccessIOC.so -> libpvAccessIOC.so.7.1.2*
> -r-xr-xr-x 1 user group 53K Apr 19 20:04 libpvAccessIOC.so.7.1.2*
> lrwxrwxrwx 1 user group 20 Apr 19 19:56 libpvAccess.so -> libpvAccess.so.7.1.2*
> -r-xr-xr-x 1 user group 2.2M Apr 19 19:56 libpvAccess.so.7.1.2*
> -r--r--r-- 1 user group 1.6M Apr 19 20:12 libpvaClient.a
> lrwxrwxrwx 1 user group 21 Apr 19 20:12 libpvaClient.so -> libpvaClient.so.4.7.2*
> -r-xr-xr-x 1 user group 798K Apr 19 20:12 libpvaClient.so.4.7.2*
> -r--r--r-- 1 user group 3.8M Apr 19 19:46 libpvData.a
> -r--r--r-- 1 user group 1.3M Apr 19 20:16 libpvDatabase.a
> lrwxrwxrwx 1 user group 22 Apr 19 20:16 libpvDatabase.so -> libpvDatabase.so.4.5.3*
> -r-xr-xr-x 1 user group 690K Apr 19 20:16 libpvDatabase.so.4.5.3*
> lrwxrwxrwx 1 user group 18 Apr 19 19:46 libpvData.so -> libpvData.so.8.0.3*
> -r-xr-xr-x 1 user group 1.8M Apr 19 19:46 libpvData.so.8.0.3*
> -r--r--r-- 1 user group 1.3M Apr 19 20:20 libqsrv.a
> lrwxrwxrwx 1 user group 14 Apr 19 20:20 libqsrv.so -> libqsrv.so.1.1*
> -r-xr-xr-x 1 user group 636K Apr 19 20:20 libqsrv.so.1.1*
>
> And the 7.0.5 libraries are 299M:
>
> [computer epics/base-7.0.5]$ vdir -h lib/linux-x86_64/
> total 299M
> -r--r--r-- 1 user group 5.3M Apr 30 08:50 libca.a
> -r-xr-xr-x 1 user group 243K Apr 30 08:50 libCap5.so*
> lrwxrwxrwx 1 user group 15 Apr 30 08:50 libca.so -> libca.so.4.13.8*
> -r-xr-xr-x 1 user group 2.6M Apr 30 08:50 libca.so.4.13.8*
> -r--r--r-- 1 user group 3.8M Apr 30 08:49 libCom.a
> lrwxrwxrwx 1 user group 16 Apr 30 08:49 libCom.so -> libCom.so.3.19.0*
> -r-xr-xr-x 1 user group 1.8M Apr 30 08:49 libCom.so.3.19.0*
> -r--r--r-- 1 user group 5.1M Apr 30 08:50 libdbCore.a
> lrwxrwxrwx 1 user group 19 Apr 30 08:50 libdbCore.so -> libdbCore.so.3.19.0*
> -r-xr-xr-x 1 user group 2.7M Apr 30 08:50 libdbCore.so.3.19.0*
> -r--r--r-- 1 user group 3.8M Apr 30 08:51 libdbRecStd.a
> lrwxrwxrwx 1 user group 21 Apr 30 08:51 libdbRecStd.so -> libdbRecStd.so.3.19.0*
> -r-xr-xr-x 1 user group 1.7M Apr 30 08:51 libdbRecStd.so.3.19.0*
> -r--r--r-- 1 user group 30M Apr 30 08:57 libnt.a
> lrwxrwxrwx 1 user group 14 Apr 30 08:57 libnt.so -> libnt.so.6.0.1*
> -r-xr-xr-x 1 user group 11M Apr 30 08:57 libnt.so.6.0.1*
> -r--r--r-- 1 user group 59M Apr 30 08:55 libpvAccess.a
> -r--r--r-- 1 user group 6.9M Apr 30 08:55 libpvAccessCA.a
> lrwxrwxrwx 1 user group 22 Apr 30 08:55 libpvAccessCA.so -> libpvAccessCA.so.7.1.3*
> -r-xr-xr-x 1 user group 3.0M Apr 30 08:55 libpvAccessCA.so.7.1.3*
> -r--r--r-- 1 user group 1.2M Apr 30 08:55 libpvAccessIOC.a
> lrwxrwxrwx 1 user group 23 Apr 30 08:55 libpvAccessIOC.so -> libpvAccessIOC.so.7.1.3*
> -r-xr-xr-x 1 user group 572K Apr 30 08:55 libpvAccessIOC.so.7.1.3*
> lrwxrwxrwx 1 user group 20 Apr 30 08:55 libpvAccess.so -> libpvAccess.so.7.1.3*
> -r-xr-xr-x 1 user group 22M Apr 30 08:55 libpvAccess.so.7.1.3*
> -r--r--r-- 1 user group 26M Apr 30 08:59 libpvaClient.a
> lrwxrwxrwx 1 user group 21 Apr 30 08:59 libpvaClient.so -> libpvaClient.so.4.7.1*
> -r-xr-xr-x 1 user group 9.1M Apr 30 08:59 libpvaClient.so.4.7.1*
> -r--r--r-- 1 user group 38M Apr 30 08:53 libpvData.a
> -r--r--r-- 1 user group 21M Apr 30 08:59 libpvDatabase.a
> lrwxrwxrwx 1 user group 22 Apr 30 08:59 libpvDatabase.so -> libpvDatabase.so.4.5.3*
> -r-xr-xr-x 1 user group 7.4M Apr 30 08:59 libpvDatabase.so.4.5.3*
> lrwxrwxrwx 1 user group 18 Apr 30 08:53 libpvData.so -> libpvData.so.8.0.4*
> -r-xr-xr-x 1 user group 15M Apr 30 08:53 libpvData.so.8.0.4*
> -r--r--r-- 1 user group 19M Apr 30 09:00 libqsrv.a
> lrwxrwxrwx 1 user group 14 Apr 30 09:00 libqsrv.so -> libqsrv.so.1.2*
> -r-xr-xr-x 1 user group 6.9M Apr 30 09:00 libqsrv.so.1.2*
>
> The 7.0.5 binaries are also substantially larger than the 7.0.4.1 binaries: 11M vs 1.8M, respectively.
>
> Thanks,
>
> Kevin
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