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Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #110896 09/28/17 08:44 PM
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Bavaria
rfka01 Offline
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rfka01
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Bit of a head scratcher here, this is on an i7-4790K (four physical cores), 16GB and a dedicated fast SSD, on Windows 10

MAME compilation for some time has become very slow, over 1h for a SUBTARGET=MESS build with -j9

The build environment is MSYS64 from the current tools. If you look at the statistics for the eight virtual cores, they're all busy but maybe at 10-20% maximum.

Now I have kept an old set of build tools that was manually updated from the 2016 archive ... I tried that today, and all virtual cores are at roughly 90%, the same build is done in just over 20min.

What's happening here?


NCR DMV- DEC Rainbow- Siemens PCD- ITT 3030-Oly People- Acorn A5000- Olivetti M20
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #110897 09/28/17 08:47 PM
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Haze Offline
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Haze
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unrelated, but I don't recommend using an SSD drive for compilation, you'll smash the write limit on them very quickly and end up with a dead SSD, compiling is very I/O intensive.


Last edited by Haze; 09/28/17 08:47 PM.
http://mamedev.emulab.it/haze/
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #110909 09/29/17 08:38 AM
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Germany
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Duke Offline
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That might have been true for very old SSDs, but it's really a non-issue now. Even the cheap ones support writing terabytes of data. I don't even have a traditional HDD in my system anymore.
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #113525 06/05/18 03:49 PM
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arcadefan Offline
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arcadefan
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having some trouble compiling the latest build from git. Part way through I get this:

Code
mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.3.0/../../../../x86_64-w64-mingw32/bin/ar.exe: unable to rename '../../../../mingw-gcc/bin/x64/Release/mame_mame/libie15.a'; reason: File exists
ie15.make:265: recipe for target '../../../../mingw-gcc/bin/x64/Release/mame_mame/libie15.a' failed
make[2]: *** [../../../../mingw-gcc/bin/x64/Release/mame_mame/libie15.a] Error 1
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #113527 06/05/18 11:21 PM
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USA
R
R. Belmont Offline
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Try a make clean and a re-make. It sounds like a file got stuck somehow.
Re: Can't compile latest MAME? READ THIS THREAD
R. Belmont #113529 06/06/18 01:20 PM
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arcadefan Offline
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arcadefan
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Just tried that and I get the same error but at a different spot.

Code
4/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.3.0/../../../../x86_64-w64-mingw32/bin/ar.exe: unable to rename '../Archiving libvsystem.a...
Compiling src/mame/video/crt.cpp...
../../../mingw-gcc/bin/x64/Release/mame_mame/libmicrokey.a'; reason: File exists
microkey.make:279: recipe for target '../../../../mingw-gcc/bin/x64/Release/mame_mame/libmicrokey.a' failed
make[2]: *** [../../../../mingw-gcc/bin/x64/Release/mame_mame/libmicrokey.a] Error 1
makefile:724: recipe for target 'microkey' failed
make[1]: *** [microkey] Error 2
Compiling src/mame/drivers/gts3a.cpp...
make[1]: *** Waiting for unfinished jobs....

I used the following commandline:

Code
[MINGW64] C:\msys64\home\mfora\mame>make -j9 avx2=1 NOWERROR=1 USE_NETWORK=1 TOOLS=1 ARCHOPTS=-march=native
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #113530 06/06/18 01:48 PM
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USA
R
R. Belmont Offline
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Try turning down the j9 to j5 or something. It seems like something in your system doesn't like the full stress.
Re: Can't compile latest MAME? READ THIS THREAD
R. Belmont #113531 06/06/18 02:37 PM
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arcadefan Offline
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arcadefan
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Nope still doesn't like that

Code
Archiving libflac.a...
C:/msys64/mingw64/bin/../lib/gcc/x86_64-w64-mingw32/7.3.0/../../../../x86_64-w64-mingw32/bin/ar.exe: unable to rename '../../../../minCompiling src/osd/windows/winutil.cpp...
gw-gcc/bin/x64/Release/libflac.a'; reason: File exists
flac.make:319: recipe for target '../../../../mingw-gcc/bin/x64/Release/libflac.a' failed
make[2]: *** [../../../../mingw-gcc/bin/x64/Release/libflac.a] Error 1
makefile:52: recipe for target 'flac' failed
make[1]: *** [flac] Error 2
make[1]: *** Waiting for unfinished jobs....
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #113532 06/06/18 02:49 PM
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Germany
D
Duke Offline
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Duke
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Maybe your anti-virus is interfering.
Re: Can't compile latest MAME? READ THIS THREAD
Just Desserts #113533 06/06/18 02:54 PM
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USA
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R. Belmont Offline
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R. Belmont
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Ooh, yeah, I forgot about that. Set your AV to exclude the MAME tree.
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