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[Official] - Xeon X5660-X58 Review & Discussion [and Xeon L5639 benchmarks inside] - Page 688

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post #6871 of 7964
Again increase vcore to around 1.35 and try 12 threads
post #6872 of 7964
Well, I think 85 GFLOPS isn't bad at all, is it? Why increase vCore for a single weird benchmark if it's otherwise stable for every day tasks?

But, to be honest here, it's mostly about the cooling; once I get the real cooling, be it air or some CLC or even the Predator, I'll try 1.35 as well.

By the way, is 1.35V what you want to see in CPU-Z (i.e. the applied voltage) or what is set in BIOS? Remember, on my board, there is a 0.05V difference between the two with unsafe vdroop.
post #6873 of 7964
don't worry about the 12 thread scenario, you only benefit from HT if you are using a highly optimized application geared for multi threaded performance. HT helps when other cores are in scheduled waiting. in the case of IBT or Lynx, are always busy, and will never be freed to receive, due to all threads being utilized. If you have HT on, and run the test with it set to 6 threads, the second scheduled "thread" will always be free. Thus producing higher throughput. same goes if you actually turn off HT all together. Running the test with HT on, and set to "all" or "12" threads, means that the extra scheduling will be offloaded onto the next free thread to receive. Which are already busy with a full work load.

Vcore can help if you are on the edge of stability, and are receiving a fluctuating "Gflop" result. You coul try to stabilize the system, by dropping 200 mhz from the core clock, and upping the Uncore a bit. believe it or not, the higher quality memory may now allow a bit more uncore clock.




The super consistent output, is from perfect stability.

It's all about finding a balance for your specific setup. say core clock 3900mhz 1866mhz ram @ 8-8-8-24-1t, uncore 3400-3600mhz

Again this all dependent on your chip and board.

I can help with a bit more performance. fill out your whole system stats in the rig builder.
Edited by DRKreiger - 6/2/16 at 1:23pm
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post #6874 of 7964
DrKreiger, will fill later, thank you for the help!

Look, at the moment I'm not looking for abstract "performance"; on the previous page you can see GPU frame time spikes in BF3. they cause discernible stutter that honestly almost ruins the game. Sometimes they are there, sometimes not. I also remember seeing similar CPU frame time spikes, though with the new memory and lockdown to 120 FPS you can see thre is a smooth line most of the time (not always, though, we can research into that later as well). Can we figure out the GPU spikes?

By the way, this RAM seems to be able to do 2133 9-9-9--27 @ 1.5V! I'm testing that for now.

Also, I've noticed that with this RAM, I can run a lot lower uncore voltage!

And, finally, my CPU sample is a bit on the stubborn side.. yeah, looking at your screenshots, 4.6 GHz @ under 1.4V is impossible for mine. It will do 4.4 GHz @ 1.44 - 1.45V only. Looks like either (a) it's just really that bad, (b) the board is bad (don't believe that 'cause it does > 200 BCLK's easily) or (c) PSU maybe or wrong setup?
Edited by CrazyNightOwl - 6/2/16 at 1:33pm
post #6875 of 7964
Quote:
Originally Posted by CrazyNightOwl View Post

DrKreiger, will fill later, thank you for the help!

Look, at the moment I'm not looking for abstract "performance"; on the previous page you can see GPU frame time spikes in BF3. they cause discernible stutter that honestly almost ruins the game. Sometimes they are there, sometimes not. I also remember seeing similar CPU frame time spikes, though with the new memory and lockdown to 120 FPS you can see thre is a smooth line most of the time (not always, though, we can research into that later as well). Can we figure out the GPU spikes?

By the way, this RAM seems to be able to do 2133 9-9-9--27 @ 1.5V! I'm testing that for now.

Also, I've noticed that with this RAM, I can run a lot lower uncore voltage!

And, finally, my CPU sample is a bit on the stubborn side.. yeah, looking at your screenshots, 4.6 GHz @ under 1.4V is impossible for mine. It will do 4.4 GHz @ 1.44 - 1.45V only. Looks like either (a) it's just really that bad, (b) the board is bad (don't believe that 'cause it does > 200 BCLK's easily) or (c) PSU maybe or wrong setup?
Well I would advise against anything above 2000 mhz on an X58 system. it has a tendency to cook the IMC in the Chip, or in some cases just kill an entire memory channel. be careful.

As for the frame rate spike. what GPU'(s) are you running? I may have some input there too
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post #6876 of 7964
Quote:
Originally Posted by DRKreiger View Post

Well I would advise against anything above 2000 mhz on an X58 system. it has a tendency to cook the IMC in the Chip, or in some cases just kill an entire memory channel. be careful.

As for the frame rate spike. what GPU'(s) are you running? I may have some input there too

He has a GTX 460.
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post #6877 of 7964
Quote:
Originally Posted by Adhmuz View Post

He has a GTX 460.

Give this a go http://www.overclock.net/t/1601321/fast-sync-howto
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post #6878 of 7964
Hmm maybe it's because I have triple buffering enabled in BF3 Setings Editor. Disabled it, going for a tetst run. The trick is that in the description it reads "at the cost of additional RAM".

DrKrieger, here's the result of a Cinebench 15 run @ the following settings:

Core: 186 x 22 = 4081 MHz; 1.317 under load; vdroop unsafe; turbo on (+2 multi on all cores); EIST, C1E on
Uncore: 186 x 18 = 3348 MHz
QPI 186 x 18 = 3348 MHz (fast mode)
VTT +125 mV
RAM: 2:10 = 1866 MHz; 8-8-8-20-2T; 1.5V

Results:




I think that's a nice score, I used to score under 900 with the old RAM.

Most immportantly, this setup has a rather high uncore speed, a decent QPI speed, a > 4 GHz core overclock and a reasonable BCLK on top of that. Then only concern is the vCore, isn't it a bit too high? Sure I know every chip is different but still, you know what i mean.

Been using this setup except RAM configuraton before the RAM switch to a great success in BF3 (except 64 player servers, of course, we'll see how the RAM changes that.)
post #6879 of 7964
Quote:
Originally Posted by CrazyNightOwl View Post

Try to find a 64 player Metro, 20-30 players is not really representative of the issue. Oh, and it better be with a lot of grenades! Their explosions add stutter, too. Thanks a lot!
Is the 4770k system also using a 460? It's hard to compare if they aren't using the same GPU. Have you monitored your GPU memory usage?
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post #6880 of 7964
The buddy's? Nah it's a 780 and maybe a Ti at that, not sure about the latter part. tongue.gif

Yeah but.. can't we compare CPU frame times on their own without taking the GPU into account?

Added: Well, the spikes are there with a fixed 120 FPS, they are killing the gameplay. Giong to watch MSI AB now.

Edit: Sometimes the spikes randomly disappear for a short while.
Edited by CrazyNightOwl - 6/2/16 at 2:47pm
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