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Thread: NEW!!! DRAM Calculator for Ryzen™ 1.7.3 (overclocking DRAM on AM4) + MEMbench 0.8 (DRAM bench) Reply to Thread
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  Topic Review (Newest First)
07-13-2020 12:33 PM
Ronski
Quote: Originally Posted by 2600ryzen View Post
Yeah I tried 560trfc and the timings I recommended you for a 40 cycle test when I went to bed and got a single error too with max dimm temp of 52c, woke up in the middle of the night and started tm5 again and the 2nd cycle ran error free(forgot to reset hwinfo64 so I don't know what peak dimm temps were). I think next time I run the tm5 I'll hook up my spare wraith stealth and try using that to cool the RAM below 50c.
I think it's safe to keep trp at 15 and trdwr at 10 because I've run 20cycle tm5 runs with those timings error free so the only other way to get rid of the rare errors would be to raise trrds/l to 6-9 but that really hurts performance so I don't want to do that, hopefully the stealth fan is enough to remove rare errors.
That's good to get to 40 cycles, I've been testing to 20 and last night thought I'd made it as it was on the 18 cycle and still clear, came back later and had three errors, Karho also had errors pretty quickly- a lot quicker than TM5. Y-Cruncher seems to run fine every time I try it.

I've just noticed some of your timings a different to mine, so I've just changed them and trying that. I'll also need to sort out better cooling for the ram, the top of the sticks are about 45c, the bottom is closer to 40c, its also about 26c ambient here at the moment.

Once stable I'll still need to sort out my reboot issue, as in it doesn't reboot, just sits there doing nothing, but turning off and on again always boots fine.
07-13-2020 12:11 PM
Ronski
Quote: Originally Posted by Gerd_Gerdsen View Post
Is the membench feature in the dram calculator sufficient as a first stresstest? How should i go on after that? I'm checking temperatures right now with prime 95 running the long ram intense setting.


Edit: How long should i run prime 95 for a quick check?
I've found the following two programs very useful for quickly finding if my memory is stable.

TestMem5 (free)
Karho Ram test $10

TM5 by default runs 5 test cycles, you can edit the cfg file to increase the cycles, 5 is good for a quick test, 20+ for stability
Karho 5000% for a quick test 10,000% for stability.

Both seem to find errors pretty quickly.

Other have mentioned Y-Cruncher but I've found that will run fine, for 3 or even 4 iterations, then the above two find errors.
07-13-2020 11:54 AM
mongoled
Quote: Originally Posted by rares495 View Post
I think it's related to cache and not memory write bandwidth.
Most probably,

I was just relaying back to what 2600ryzen said regards the double write performance.

It also looks that increased clock speed along with the cache that is giving a performance boost..
07-13-2020 11:45 AM
mongoled
Quote: Originally Posted by FranZe View Post
For an 3600 thats a very good result

I've no link with better time on the hand, but it started here: https://www.overclock.net/forum/11-a...l#post28283676
There you can see that the time i had is not far from what others can do, and that was with almost 80 higher on trfc. So its possible

And i just kept trying


Something good came out of it in the end, I got you in the mood to reach new heights, not bad just that
Yup its a great result and TM5 stable, I dont know if it agesa ComboAm4PI 1.0.0.6 or running tRCDRW at 8, but I could never get those settings stable before when using tRDCRW of 14 on previous agesa that was available for the BIOS which I think was 1.0.0.4.

Will have a look at the thread you posted

07-13-2020 11:39 AM
mongoled
Quote: Originally Posted by 2600ryzen View Post
Those are pretty impressive benchmarks considering it's only 3533mhz.
No no



That would be amazing and impossible also!

The frequency is 3766/1888 as I am running a BCLK of 106.875

07-13-2020 11:13 AM
FranZe
Quote: Originally Posted by mongoled View Post
Maybe ive gotten this wrong then.

I just remember that it was a rarity to see anything below 100 seconds using any of the 3000 series chips irrespective of the double write performance


No as explained above, I dont have a link, just going off what I previously "remembered", its quite possible that I was sub-conciously filtering all results accept 3600 when I was looking at comparative times as somehow I was quite thrown by seeing sub 100 seconds and was curious as to why.

Anyhow, your results drove me to experiment with some of your settings and improving my memory performance so at least something positive has come out for me.



Can you link me to one of those results of other people who have better times than your 3900X ?

My latest result below

For an 3600 thats a very good result

I've no link with better time on the hand, but it started here: https://www.overclock.net/forum/11-a...l#post28283676
There you can see that the time i had is not far from what others can do, and that was with almost 80 higher on trfc. So its possible

And i just kept trying


Something good came out of it in the end, I got you in the mood to reach new heights, not bad just that
07-13-2020 10:43 AM
Guillaume51100 Hello possible improvements ?
Gskill Trident Neo 3600 c16 (b die)

07-13-2020 10:42 AM
t4t3r I am trying to tweak memory again on my 3600x/X570 Taichi setup since I haven't messed with it for probably 4-5 months. I've got what's supposed to be a fantastic bin/kit in a 2x8 set of Team 4133 C19. The best I've been able to do with these is 3733 c16. My 3600x doesn't care much to go above 1867 IF, but I was still expecting to get closer to at least 3733 C14 with this kit.

I haven't had much luck with the DRAM Calc FAST preset, but I am basically in between SAFE and FAST (see screenshot). I've followed various guides so far - thoughts on what I'm doing wrong?
07-13-2020 10:00 AM
2600ryzen
Quote: Originally Posted by mongoled View Post
Maybe ive gotten this wrong then.

I just remember that it was a rarity to see anything below 100 seconds using any of the 3000 series chips irrespective of the double write performance


No as explained above, I dont have a link, just going off what I previously "remembered", its quite possible that I was sub-conciously filtering all results accept 3600 when I was looking at comparative times as somehow I was quite thrown by seeing sub 100 seconds and was curious as to why.

Anyhow, your results drove me to experiment with some of your settings and improving my memory performance so at least something positive has come out for me.



Can you link me to one of those results of other people who have better times than your 3900X ?

My latest result below


Those are pretty impressive benchmarks considering it's only 3533mhz.
07-13-2020 09:35 AM
rares495
Quote: Originally Posted by mongoled View Post
Maybe ive gotten this wrong then.

I just remember that it was a rarity to see anything below 100 seconds using any of the 3000 series chips irrespective of the double write performance


No as explained above, I dont have a link, just going off what I previously "remembered", its quite possible that I was sub-conciously filtering all results accept 3600 when I was looking at comparative times as somehow I was quite thrown by seeing sub 100 seconds and was curious as to why.

Anyhow, your results drove me to experiment with some of your settings and improving my memory performance so at least something positive has come out for me.



Can you link me to one of those results of other people who have better times than your 3900X ?

My latest result below


I think it's related to cache and not memory write bandwidth.
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