Minecraft's performance problems

Icalasari · 2011-09-22 18:15:19

Ever notice how it tends to run worse with each update? Now I'm hearing tales of computers shutting down as soon as Minecraft 1.9 Prerelease is started up because of how intensive it is I'm scared of trying it

ClockworkUniverse · 2011-09-22 18:50:33

Yeah, my newest computer stopped being able to run it maxed out with the 1.8 update.

Icalasari · 2011-09-22 19:24:15

I got it around the Halloween update. I was never able to run it maxed out for long

delta534 · 2011-09-22 19:59:11

The issue is that notch is doing too much on the cpu and system memory and basically leaving the gpu idle. Of course it seems he has little knowledge of how opengl works so what he has is horribly inefficient and can even crash the game.

snowbull · 2011-09-22 20:06:04

Yeah, I used to be able to run it maxed out with almost no slowdown until 1.8, now it runs with pretty heavy slowdown at the same settings.

ClockworkUniverse · 2011-09-22 20:35:23

Incidentally, am I the only one who's noticed a lot more graphical glitches in 1.8?

Icalasari · 2011-09-22 20:54:31

^^^ So basically somebody should contact Jeb to fix the issues?

delta534 · 2011-09-22 21:38:06

^Jeb is trying to fix the issues. The problem is that the real issues are so baked into the minecraft codebase, from what I've seen of the decompiled code, nothing short of a total rewrite would completly fix it. Which would never happen due to the how much whining would come out of the modding community.

^^No, you are not.

Icalasari · 2011-09-23 00:14:55

^ Screw their whining. If Minecraft needs THAT much of a rewrite, it should get it. Besides, it might make Minecraft easier to mod in the end

MillerCross · 2011-09-23 00:15:47

I read this thread's titles as "Malkavian's performance problems" >_>

TheMightyAnonym · 2011-09-23 01:04:37

There are a couple of ways to fix things that pretty much take care of it.

The first is to install the optifine mod which... is still being updated, but will be ready for 1.8 soon. As for 1.9, well, more time to go, possibly.

The second method requires you to run Minecraft with more memory, done like so in windows 7:

Go to control panel
Go to system and security
Click system
Click "advanced system settings"
Click "Environment variables"
Enter "new"
On the first line paste in this : _JAVA_OPTIONS
On the second line paste: Xmx1g - Xms1g
Now apply that and you should be good to go

Doing this will run Minecraft with 1g of ram, although I dunno if you can handle that. I am also unsure of how to run it with less; such as 500 mb.

Icalasari · 2011-09-23 01:07:36

^ How do I do it in Vista?

And wouldn't 500mb just mean replacing the 1g in Xmx1g and Xms1g with 500mb?

CommandoDude · 2011-09-23 01:09:43

Yeah, my computer can't even run Minecraft unless the render distance is "short" without serious lag.

Icalasari · 2011-09-23 01:39:55

^Short, Fast, Max FPS. At least I can play with smooth lighting

Saigyouji · 2011-09-23 06:37:07

And this, kids, is why you don't program games in Java.

Icalasari · 2011-09-23 06:39:56

^ I heard that Java isn't the issue with the performance and that it is shoddy programming

delta534 · 2011-09-23 08:41:56

I feel if Notch learned opengl from the ground up and not piecemeal as it feels like he has and rewrote the rendering subsystem of Minecraft. Most of the performance issues would go away and then he would hit the limits performance of the rest of his code and Java's performance.

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Minecraft's performance problems

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