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Black Mesa > General Discussions > Topic Details
djcj Dec 3, 2016 @ 4:13pm
64 bit build?
Is it possible to provide 64 bit builds of the game? Do you think there would be a little performance improvement (maybe at least on Linux or PCs with lower specs)?
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Showing 1-7 of 7 comments
phillippi2 Dec 3, 2016 @ 4:32pm 
It is technically 64 bit. It's just that the game engine uses 32 bit executables. Making it use 64 executables would require a rewrite of the loading system which would break everything else (the loading system connects all the other systems; rendering, A.I., sound, etc)
#1
djcj Dec 3, 2016 @ 4:46pm 
It is technically 64 bit.
I'm not so sure if that's the case on Linux.
#2
Forward Bias Dec 3, 2016 @ 5:45pm 
Moving to 64-Bit doesn't necessarily equate to performance increases. Making a program compatible with 64-bit isn't just enough, you have to make the program utilize the capabilities of a 64-bit instruction set. Unless you are doing some pretty hardcore media processing or anything else, I don't think there will be that big of an increase.

Generally speaking, the move to 64-bit technology only increased the amount of addressable RAM, and increased the ability for more precise representation of numbers. Great for physics based games, not sure about something more akin to an FPS running Source, though.

I could be wrong, if a more knowledgable dev wants to come slap me for misinformation.
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thray Dec 3, 2016 @ 6:10pm 
Like @radboy16 said, extra bits would do very little if anything to the games performance.
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djcj Dec 4, 2016 @ 4:09am 
Providing additional 64 bit builds for the map compilers (vbsp, vvis, vrad) may be useful then. I would like to hear the opinion of a dev about that.
#5
gtamike_TSGK Dec 4, 2016 @ 7:07am 
The game uses more than 4GB on my PC, so it might already be 64Bit no idea XD.
http://steamcommunity.com/id/gtamike/screenshot/96096067305685697
Last edited by gtamike_TSGK; Dec 4, 2016 @ 7:11am
#6
Forward Bias Dec 4, 2016 @ 4:47pm 
Originally posted by gtamike_TSGK:
The game uses more than 4GB on my PC, so it might already be 64Bit no idea XD.
http://steamcommunity.com/id/gtamike/screenshot/96096067305685697

Well then it seems the game is definitely utilitzing 64-bit technology, as I highly doubt a game engine would want to deal with manual paging (And I don't even think that would show up as using more than 4 gigs at one time)

Mind you guys, the devs are utilizing the source engine. I'm pretty sure Source has been 64-bit capable since 2005. Also pretty sure BM is taking advantage of this where it can.
#7
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Black Mesa > General Discussions > Topic Details
Date Posted: Dec 3, 2016 @ 4:13pm
Posts: 7

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