DeSmuME v0.6.0 released! - Page 3

**refraction** · April 10th, 2007

pentium 4's arent generally good for emulation, they tend to be increadibly slow, but the rest shouldnt be a massive factor in it.

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SCHUMI-4-EVA · April 10th, 2007

At this stage I would say that that PC is not good enough...future versions might require less resources though. Shash has said that this version relies heavily on CPU power and I know from experience that the P4 2.6Ghz is a piece of junk. People with Dual-core processors or at least 64 bit processors get much more out of emulation at this stage.

kuro · April 10th, 2007

heh the p4 2.6ghz was fast and awesome until recently, when games like supreme commander came out and emulators like the PS2 and NDS started becoming usable. ah well =x

SCHUMI-4-EVA · April 10th, 2007

Nope, the P4 2.6Ghz as always been crap...I had one...and it's never had a WOW factor like my current AMD Athlon64 3700+ has.

F34R · April 11th, 2007

Quote:

Originally Posted by SCHUMI-4-EVA

At this stage I would say that that PC is not good enough...future versions might require less resources though. Shash has said that this version relies heavily on CPU power and I know from experience that the P4 2.6Ghz is a piece of junk. People with Dual-core processors or at least 64 bit processors get much more out of emulation at this stage.

well, someone correct me if I'm wrong, but the emulation doesn't get any benefit from dual core, or 64bit, cpus....

SCHUMI-4-EVA · April 11th, 2007

64 bit processors are more powerfull than 32 bit processors so they obviously have more power to run emuatlor's with.
Dual-core's are awesome at multi-tasking so they can easily dedicate a whole processor to the emulator...making them also more powerfull...than regular 32bit processors.

F34R · April 11th, 2007

I'm going from what shash said himself...

DeSmuME v0.6.0 released!

as far as the 64bit cpu goes... is there a benefit if the code isn't written specifically for a 64bit cpu ?

**shashClp** · April 11th, 2007

What I meant there, is that Desmume is single core right now, so the rest of cores would remain idle, thus the multiple cores not giving any benefit. But (and I'm uncertain about this, but I've already read some reports of it) seems that even a single core of a multi core CPU might be faster than the equivalent in a single core CPU, but I don't know as I own a Northwood Pentium 4 at 2.6ghz

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BAXTER STOCKMAN · April 12th, 2007

I dont think that NDS emulation needs realy a dual core cpu to run full speed.. You see the NDS is not such powerful.

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SCHUMI-4-EVA · April 12th, 2007

Quote:

Originally Posted by BAXTER STOCKMAN

I dont think that NDS emulation needs realy a dual core cpu to run full speed.. You see the NDS is not such powerful.

The NDS is much more powerfull than you think.

Hiei-YYH · April 12th, 2007

Quote:

Originally Posted by SCHUMI-4-EVA

The NDS is much more powerfull than you think.

the emulator just need to be finished, there's no need of a dual core for nds emulation. see n64? even slow pcs can run in a playable speed.

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**shashClp** · April 12th, 2007

Could you all stop spectulating on the power needed to emulate the DS? I love serious discussion with some real data and knowledge, but this is not what we're getting here.

Comparing it with the current Nintendo64 emulators is stupid as hell, it's a rather different architecture, not to mention that not a single bit of HLE is used in DS emulation. HLE is rather fast, but is far from accurate, and is error prone. For those curious enough, checking the requirements of the Project64 LLE graphics plugin will get you some ideas of how much power could be needed, but it will be inexact probably.

So, next time you talk about requirements of DS emulators, better know what you're talking about, or let people who knows talk :P

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runawayprisoner · April 14th, 2007

I'm just guessing here... but will it be twice or even three times the specs needed to emulate a Gameboy Advance properly? Umm... just guessing?

I never worked on the Nintendo DS to begin with... but I did try to work with the GBA a bit... and I thought that they would be somewhat similar?

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vagos08 · April 14th, 2007

Quote:

Originally Posted by shashClp

Download

Enjoy and report bugs so we can fix them

Fix the download link first...

Tony Luey · April 14th, 2007

Try this. DeSmuME 6.0

vagos08 · April 18th, 2007

thanks tony!the download link worked!

Tony Luey · April 18th, 2007

Hey shashClp. How about using multi-core CPUs? Multi-core CPUs (Dual core and Core Duo) to take advantage of both processors and boost the emulator performance a lot.

enekomh · April 26th, 2007

Yeah, that should work as well on CPUs with Hyperthreading activated...

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Mad · April 26th, 2007

Another coder tried some multi threading with desmume, the results werent that good.
He said it lost sync very easy, so a better work has to be done in that area.

BTW, processors with Hyperthreading are Pentium 4....

Quote:

pentium 4's arent generally good for emulation, they tend to be increadibly slow, but the rest shouldnt be a massive factor in it.

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enekomh · April 26th, 2007

I think (and I most probably am WRONG) PCSX2 takes advantage of both cores because the emulator takes advantage of one core and the ZeroGS plugin takes advantage of the other. In order to take advantage of both cores on any other emulator, devs should do something like that; I mean, split the work into two different processes, which I believe to be outstandingly difficult.

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April 10th, 2007	#41 (permalink)
refraction PCSX2 Coder $refraction's Avatar$ Join Date: Jan 2004 Location: Plymouth, UK Posts: 9,824	pentium 4's arent generally good for emulation, they tend to be increadibly slow, but the rest shouldnt be a massive factor in it. __________________ http://www.generalemu.net/ Intel Core 2 Quad Q6600 @ 3.4Ghz (425x8), Leadtek GTX 280 1Gb, 1.8Tb HDs, 2Gb Corsair DDR2-800 @ DDR2-1020 5-5-5-18 Dual Channel Dont PM me for help, use the forums, thats what its for!
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April 10th, 2007	#42 (permalink)
SCHUMI-4-EVA Devastating Force Join Date: Jan 2007 Location: Governmentless South Africa Posts: 6,802	At this stage I would say that that PC is not good enough...future versions might require less resources though. Shash has said that this version relies heavily on CPU power and I know from experience that the P4 2.6Ghz is a piece of junk. People with Dual-core processors or at least 64 bit processors get much more out of emulation at this stage.

April 10th, 2007	#43 (permalink)
kuro Registered User Join Date: Jun 2004 Posts: 71	heh the p4 2.6ghz was fast and awesome until recently, when games like supreme commander came out and emulators like the PS2 and NDS started becoming usable. ah well =x

April 10th, 2007	#44 (permalink)
SCHUMI-4-EVA Devastating Force Join Date: Jan 2007 Location: Governmentless South Africa Posts: 6,802	Nope, the P4 2.6Ghz as always been crap...I had one...and it's never had a WOW factor like my current AMD Athlon64 3700+ has.

April 11th, 2007	#46 (permalink)
SCHUMI-4-EVA Devastating Force Join Date: Jan 2007 Location: Governmentless South Africa Posts: 6,802	64 bit processors are more powerfull than 32 bit processors so they obviously have more power to run emuatlor's with. Dual-core's are awesome at multi-tasking so they can easily dedicate a whole processor to the emulator...making them also more powerfull...than regular 32bit processors.

April 11th, 2007	#47 (permalink)
F34R Registered User Join Date: Mar 2007 Location: USA Posts: 2	I'm going from what shash said himself... DeSmuME v0.6.0 released! as far as the 64bit cpu goes... is there a benefit if the code isn't written specifically for a 64bit cpu ?

April 11th, 2007	#48 (permalink)
shashClp Emu author Join Date: Sep 2006 Location: VisualC Posts: 796	What I meant there, is that Desmume is single core right now, so the rest of cores would remain idle, thus the multiple cores not giving any benefit. But (and I'm uncertain about this, but I've already read some reports of it) seems that even a single core of a multi core CPU might be faster than the equivalent in a single core CPU, but I don't know as I own a Northwood Pentium 4 at 2.6ghz __________________ Emulator development blog

April 12th, 2007	#49 (permalink)
BAXTER STOCKMAN Registered User Join Date: Feb 2006 Location: FEUDAL JAPAN Posts: 397	I dont think that NDS emulation needs realy a dual core cpu to run full speed.. You see the NDS is not such powerful. __________________ I AM Dr Baxter Stockman And i am the best scientist in the world! Long ago i was a real human. A brilliant mind on a Evil body. But things were going wrong, terribly, wrong. Hun And Shredder have destroy my body and in the end the only thing that has remain of me, was only my brain. Finally my friend Agent Bishop create a clone body for me. So i was a human again. But my new body was sunddenly destroyed when the ninja turtless throw me into a river. Athlon X2 4400+DUAL CORE 2.2.GHZ socket 939 2 GB RAM DDR400 GeForce 8800 gt 512 mb 260 gb hdd

April 12th, 2007	#52 (permalink)
shashClp Emu author Join Date: Sep 2006 Location: VisualC Posts: 796	Could you all stop spectulating on the power needed to emulate the DS? I love serious discussion with some real data and knowledge, but this is not what we're getting here. Comparing it with the current Nintendo64 emulators is stupid as hell, it's a rather different architecture, not to mention that not a single bit of HLE is used in DS emulation. HLE is rather fast, but is far from accurate, and is error prone. For those curious enough, checking the requirements of the Project64 LLE graphics plugin will get you some ideas of how much power could be needed, but it will be inexact probably. So, next time you talk about requirements of DS emulators, better know what you're talking about, or let people who knows talk :P __________________ Emulator development blog

April 14th, 2007	#53 (permalink)
runawayprisoner Mobile Fanatic Join Date: Nov 2006 Location: Santa Cruz, CA Posts: 4,868	I'm just guessing here... but will it be twice or even three times the specs needed to emulate a Gameboy Advance properly? Umm... just guessing? I never worked on the Nintendo DS to begin with... but I did try to work with the GBA a bit... and I thought that they would be somewhat similar? __________________ Computer specs: CPU: Intel Celeron M 450MHz RAM: 1GB DDR2 100MHz Storage: 4GB SSD + 8GB SDHC Monitor: 7" LCD WVGA 800x480 OS: Windows XP Professional w/ SP3 Road warrior operation duration: 4h30m! (extendable to 6h30m!)

April 14th, 2007	#55 (permalink)
Tony Luey Registered User Join Date: Nov 2006 Location: Philippines Posts: 231	Try this. DeSmuME 6.0

April 18th, 2007	#56 (permalink)
vagos08 Lucario's Tamer Join Date: Mar 2007 Location: GREECE!!! Posts: 180	thanks tony!the download link worked!

April 18th, 2007	#57 (permalink)
Tony Luey Registered User Join Date: Nov 2006 Location: Philippines Posts: 231	Hey shashClp. How about using multi-core CPUs? Multi-core CPUs (Dual core and Core Duo) to take advantage of both processors and boost the emulator performance a lot.

April 26th, 2007	#58 (permalink)
enekomh Registered User Join Date: Nov 2006 Location: Bilbao (Euskadi) Posts: 25	Yeah, that should work as well on CPUs with Hyperthreading activated... __________________ PC AMD Athlon 64 X2 3800+ Ati HD3650 512 MB DDR3 2 GB RAM Windows XP SP3 + Ubuntu 8.04 PCSX2 0.9.5 svn 351 + Final Fantasy X ------------------------------------ (EQUAL) Lots of fun!!!

April 26th, 2007	#60 (permalink)
enekomh Registered User Join Date: Nov 2006 Location: Bilbao (Euskadi) Posts: 25	I think (and I most probably am WRONG) PCSX2 takes advantage of both cores because the emulator takes advantage of one core and the ZeroGS plugin takes advantage of the other. In order to take advantage of both cores on any other emulator, devs should do something like that; I mean, split the work into two different processes, which I believe to be outstandingly difficult. __________________ PC AMD Athlon 64 X2 3800+ Ati HD3650 512 MB DDR3 2 GB RAM Windows XP SP3 + Ubuntu 8.04 PCSX2 0.9.5 svn 351 + Final Fantasy X ------------------------------------ (EQUAL) Lots of fun!!!