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post #20281 of 40628 (permalink) Old 06-19-2017, 05:31 AM
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Quote:
Originally Posted by The Stilt View Post

Higher DFICLK itself doesn't improve the performance. Increasing the DFICLK (by increasing the MEMCLK) only helps if the DFI is the bottle neck.
1600MHz DFICLK (i.e. 3200MHz MEMCLK) is sufficient for > R7 1800X and the returns from higher speeds are diminishing. At higher CPU speeds (which are unachievable on current gen. Ryzen CPUs) the required DFICLK for optimal performance will increase as well.
Warning: Spoiler! (Click to show)
68n8LJN.png

Latency is king >= 3200MHz.

+rep smile.gif , thank you as always smile.gif.

Only my opinion from your last set of results, posted here. 3200MHz C12 @ 1.45V-1.5V may not be something all attain. The delta of 3200MHz C12 is ~1.6% vs 3520MHz C14, so user may find something else is optimal in the context of what user can attain IMO.

Any chance of info on VDIMM you've used for above and past linked dat, cheers smile.gif.

My own testing is echoing that the 4% MEMCLK gain on 3333MHz vs 3200MHz yields nothing except gain in AIDA64 bench and possibly MLC (yet to view data but in zip below). Which is useless "paper performance gain" redface.gif .





RAW data zip link.

UEFI 9943 used, same timings per MEMCLK, settings and old data here.
Quote:
Originally Posted by noko59 View Post

I am going to have to retest BGSA to confirm if I actually got an improvement in both SD combine and Aida64 Mem & Cache. You have very accurate testing methods and recordings.

Last run Aida64 crashed at 1hr 15min. So I am running now with Cad Bus at 30 Aida64 Stress testing again (3500, BCLK 109.4, 3.9ghz PS 0).

Thanks smile.gif , I try what I can with my limited knowledge/tools redface.gif . I must do SD for those tests smile.gif , be great to compare data smile.gif .

20ohms had errors quicker for me than 30ohms. 24ohms seems best, as 60ohms has gone iffy as well redface.gif. I may now just go back to UEFI 9943 where this profile did work for HCI Memtest and other stuff, as it maybe as The Stilt has said the UEFI 1401 PMU FW is not as good as UEFI 9943 for tightened RAM stability.
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post #20282 of 40628 (permalink) Old 06-19-2017, 05:34 AM
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Originally Posted by [email protected] View Post

Most AIO pumps are best run at full speed if lower noise is preferred.
My pump both has vibration and resonance problems, the latter of which can be controlled via using certain rpm steps. Unfortunately the Asus BIOS only allows speeds to ramp up/down, not to change in full steps.

During normal desktop use when the CPU is mostly idle it makes sense to run the pump at a voltage that leads to the pumps being mostly inaudible.

The C6H AIO pump header is useless for both goals, it's not even listed in Asus Windows control software (the lower pump header is). Because of this I am using the CPU fan header for my AIO pump and chassis 2 header for my radiator fans.
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post #20283 of 40628 (permalink) Old 06-19-2017, 06:17 AM
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Quote:
Originally Posted by The Stilt View Post

Higher DFICLK itself doesn't improve the performance. Increasing the DFICLK (by increasing the MEMCLK) only helps if the DFI is the bottle neck.
1600MHz DFICLK (i.e. 3200MHz MEMCLK) is sufficient for > R7 1800X and the returns from higher speeds are diminishing. At higher CPU speeds (which are unachievable on current gen. Ryzen CPUs) the required DFICLK for optimal performance will increase as well.

68n8LJN.png

Latency is king >= 3200MHz.

What settings were the 3200 LL and 3466 LL using?
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post #20284 of 40628 (permalink) Old 06-19-2017, 06:20 AM
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Where's the graph from please mate?
I'm sure it is his work. thumb.gif

3600c16 would be a valuable comparison.... wink.gif

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post #20285 of 40628 (permalink) Old 06-19-2017, 07:14 AM
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Where's the graph from please mate?

It's mine.
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post #20286 of 40628 (permalink) Old 06-19-2017, 07:15 AM
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3600c16 would be a valuable comparison.... wink.gif

Would test it, but it's undoable for me with decent settings.
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post #20287 of 40628 (permalink) Old 06-19-2017, 07:16 AM
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Ok and what is LL means how low latency you selected for 3200 in your tests? I have 14 14 14 34 75 on 1T @ 3200
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post #20288 of 40628 (permalink) Old 06-19-2017, 07:16 AM
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Originally Posted by The Stilt View Post

It's mine.

Are you able to share the settings used for 3200, 3200LL and 3466LL . I assume LL stands for low latency?

Cheers.
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post #20289 of 40628 (permalink) Old 06-19-2017, 07:20 AM
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What settings where the 3200 LL and 3466 LL using?

3200MHz = 12-12-12-28-54-140ns-9-8-12-2-2-GDME-1T (tCL-tRCDR/W-tRP-tRAS-tRC-tRFC-tCWL-tRTP-tWR-tWRWRSCL-tRDRDSCL)
3466MHz = 14-14-14-28-54-192ns-14-8-12-2-2-GDMD-1T (tCL-tRCDR/W-tRP-tRAS-tRC-tRFC-tCWL-tRTP-tWR-tWRWRSCL-tRDRDSCL)

140ns @ 3200MHz = 224 CLK
192ns @ 3466MHz = 333 CLK
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post #20290 of 40628 (permalink) Old 06-19-2017, 07:21 AM
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Hey guys... Struggling a lot here.
I have a Ryzen 1700 with the Stock Cooler and G-Skill 16GB 14-14-14-34 3200 Kit. I can get the memory working with DOCP Standard profile normally... However I can't touch the CPU's overclock or else I'll get random black screen restarts.

What I did try to do for overclocking (failed P95 Blend):
1.38v
Multiplier at 37
BCLK 100

Is there anything else I can try to change to stabilize this overclock? I ended up giving up and running on stock to avoid more headaches...

Also, on a similar note, my Ryzen is only giving me 120ish FPS on CS:GO, with dips to 80, any idea what might be going on? (I have a 980TI so GPU shouldn't be the problem)

Thanks

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