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4Ghz Core 2 Duo vs M.A.M.E. 0.120 (benchmark results)

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taz-nz:

--- Quote from: pinballjim on October 28, 2007, 10:01:44 pm ---Jeez... Blitz is playable?  How about the Gauntlet Legends games?


--- End quote ---

Gauntlet Legends is totally playable too, slight sound stutter now and then most noticably in voice overs, but graphics look purfect and are super smooth, I am so going to waste this week playing it.


--- Quote from: u_rebelscum on October 28, 2007, 08:55:58 pm ---Great to see the benchmarks. Thanks! :applaud:

FWIW, according to most mameDev, an PM optimized build is better suited for core 2 CPUs than i686 optimization.  Do you mind testing that?  (Someone said it really helped propcycl, but the site has changed since then.)

Also, as the link above hints, 0.120u1 is supposed to help some of these games go even faster.  (But note some tested slower, too.)

--- End quote ---

I'm trying to compile 0.120u1 source right now, no go on first try, I'll probably try making it a PM optized version but I got to get it to compile first. I'll post scores if I get it to work.


--- Quote from: genesim on October 28, 2007, 08:54:33 pm ---Killer Instince 2 has sped up tremendously on my AMD 4400 64x2.     Wargods as well.

But the former is all I cared about.    Well...I am jealous about NFL Blitz, but at least I have the Dreamcast for that one.

--- End quote ---

I'm an arcade game whore, give me some loose change and an arcade machine, no matter how old, ugly and beaten up and I'll be broke in minutes, I love playing anything from old school vertical scrollers to the lastest light gun games. I just had to have a machine that could play Gauntlet Legends, many of the games I love run with easy, some still a lot of work and sum haven't even been dumped as far as I can tell, so having a PC that can run just about anything MAME can throw at is great.




taz-nz:
For all of those that want to know my overclocking details:

CPU Multiplier    8x             
CPU FSB Clock   500Mhz
PCI-E Clock        Auto

Memory Multiplier 2x
Memory timing  5,5,5,15 all others auto (I've got room to go more extreme here, but I'm still tweaking)

DDR2 voltage       +0.35v
PCI-E voltage       +0.05v
FSB voltage          +0.15v
(G)MCH voltage    +0.075

CPU Voltage         1.550v  >:D   (1.520 idle in window , 1.502 underload with Vdrope)

C1E           disabled
TM2           disabled

I wrote a really long and probably boring post about overclocking, but my login timed out and I lost it, so here is the shorter version.

Hardware list for over clocking:

CPU: Core2duo E4x00 (M0 stepping) or E6x50 (G0 stepping)  33 -75% overclock possible

MB: Intel P35 or X38 chipset, nothing with Deluxe or SE in the name, just a good solid board with good cooling and plenty of voltage regulators. (I suggest the Gigabyte GA-P35-DS3 or better)

Memory: DDR2-800 or DD2-1066 match pair from good brand. (I suggest Corsair) Memory speed should be equal or greater in speed to target FSB if possible, like my system DDR2-1066 (533Mhz) target FSB of 500Mhz with 8x Multiplier to get 4Ghz, you could overclock DDR2-800 (400mhz) and run a 445Mhz FSB with a 9x multiplier to get 4ghz but this increases the risk of failure.

Power Supply: If it came in the case dump it, get a good brand name power supply one size too big you your system needs, (I suggest Enermax), cable management is good too.

Case: Plenty of front to back flow, forget anything with a dozen fans aimed in 6 different directions, you want to exchange the air out of the case not move it around, (I suggest Coolermaster Centurion 5 or CM Stacker 831)

Heatsink: Thermalright Ultra 120 Extreme, in the top 3 air coolers around and easy to come by. listed below is what I did to mine.
- Fitted 96 CFM 120x120x36mm fan, slowed to about 50-65 CFM (it was a little noisy), this is mounted a little low of the heatsink to give airflow below the heatsink fins to cool the back of the heatsink block and the north bridge heatsink.
- removed mounting studs from rear X-Brace and fitted them with washers to spread the load, allowed for fitting of heatsink while retailing gigabyte crazy cool heatsink.
- Placed 10c coin between top of heatsink block and mounting X-bracket, increased mounting force and gave a 10deg c improvement in tempature @ 100% load.
- put tape down the sides of the heatsink fins from the fan around to the half way point on the side of the heatsink to act as air duct, forcing air to pass though the whole heatsink. also taped top edge of fan on the top fin to improve air duct effect.
-arctic silver 5 paste, very very thin layer.

Time: Overclock takes time, here is a blow by blow of what I basically did.
Assembly Motherboard, CPU, RAM, Heatsink, Graphics card and PSU on desk, installed TINY XP. Set CPU Multiplier to 6x and memory to 2x, set FSB to 500mhz (CPU is still at 3ghz), tested and set memory timing, increase voltages on memory, north & south bridge, and PCI-E bus. tested for 1 hour at 100% load, increased CPU multiplier to 7x  no extra CPU voltage need yet (CPU now at 3.5ghz) tested for 1 hour 100% load. dropped FSB to 450Mhz and increased CPU multiplier to 8x and CPU voltage to 1.4v (CPU now at  3.8ghz) tested, increased CPU voltage to 1.45v to allow for Vdrope to 1.4v @ 100% load, test for 1 hour @ 100% load, increased FSB to 475Mhz, (CPU now at 3.9ghz) tested, increased CPU voltage to 1.5v to allow for Vdrope to 1.45v at 100% load, tested for 1 hour @ 100% load, increased FSB to 500Mhz with 8x CPU multiplier (CPU now at target 4ghz) post issues, tweaked FSB, & memory voltages cleared up post issues, tested increase CPU voltage to 1.55v to allow for Vdrope in windows @ 100% load to 1.5v, tested for two hours @ 100% load and tweaked little things. Set running Orthos blend test for 100% CPU load and went to bed, 10 hours later, still running 100% load no errors, shut down and spent 2 hours building system. installed fresh copy of WinXP Pro with latest drivers & updates.

Benchmarked MAME to see real world results of all that hard work.

That was still kind of long, and I sure it's full of gramma and spelling mistakes, but hopefully someone will find it interesting.

I've manage to compile a standard version of MAME 0.120 in the mean time, so now on to try a PM optimised version, and then a PM optimised version of MAME 0120u1. (benchmarks to follow in the next couple of days)


--- Quote from: D4RKSL4Y3R on October 28, 2007, 07:56:29 am ---so how far do you think i could overclock mine to without mods?

--- End quote ---

I'd say 3.5-3.6ghz easy, 3.8ghz with some work, and tommyinajar said it best with:


--- Quote from: tommyinajar on October 28, 2007, 11:44:16 pm ---E6850 OC'd to 4.0 GHZ isn't a problem with the right equipment.

--- End quote ---

taz-nz:

--- Quote from: u_rebelscum on October 28, 2007, 08:55:58 pm ---Great to see the benchmarks. Thanks! :applaud:

FWIW, according to most mameDev, an PM optimized build is better suited for core 2 CPUs than i686 optimization.  Do you mind testing that?  (Someone said it really helped propcycl, but the site has changed since then.)

Also, as the link above hints, 0.120u1 is supposed to help some of these games go even faster.  (But note some tested slower, too.)

--- End quote ---

I've got the hang of the whole compiling bit, the basics atleast, It's late so full benchmarks will have to wait till tommorrow night, but here's a preview.

PROPCYCL (60hz)
C2D (4.00Ghz)       70.44%,      42.26fps         0120       i686 optimized.
C2D (4.00Ghz)       74.25%,      44.55fps         0120         PM optimized
C2D (4.00GHz)      100.39%,     60.23fps        0120u1     PM optimized.   :cheers: (looks like propcycle just made the playable list with minor sound stutter issues.)

Tiger-Heli:
Just out of curiosity, how does Star Wars Trilogy do.

Great machine, btw!!!

FrizzleFried:
The problem here is that I am trying to save up enough money for a CORE2DUO setup...and when I do,  that computer is going RIGHT HERE ON MY DESK...

...NOT in my MAME cabinet...it it's going to take at least another 2 generations before a CORE2DUO makes it in to my MAME cabinet.   I refuse to spend that kind of dough to play games from the 90's (only)...

When i do upgrade,  this Opteron 165 I have on my desk will go in the Horizontal MAME cabinet,  the 3200+ that is in the horizontal will go to the vertical...

>sigh<

So it will be MANY MOONS before I can play Blitz!

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