Plus, whatever makes Pete think that EVERYTHING he says has to be EXACTLY correct and he can never be wrong or accept that someone else could be right?
Enough said!
You cannot deny the simple equations of heat transfer.
If this page takes an hour to load, reduce posts per page to 20 in your settings, then the tinpot 486 Einstein uses can handle it.
Since "it" is puttering along and not losing a lot of ground on the u@h project with the cpu running power restricted I have time to try to do it "right" this time.
Tom, I once had a teacher who said: "If you don't have the time to do something right the first time, then don't do it at all".
Hence, I have taken that statement to heart and literally always made the correct choices in whatever I have done. It may take me a while longer, but I do get the job done... correctly.
George,
As usual context is "everything". I struggled for years especially in my childhood because I was a "perfectionist". I finally was taught/learned that you have to make the mistakes of practicing and failing, to learn how to do something.
So you have to already be very good at something before "a teacher who said: "If you don't have the time to do something right the first time, then don't do it at all"." really applies.
I will note, this is the 2nd liquid cooling system I have ever tried to install on a PC.
And I spent well over an hour and a half including a rest break getting something that doesn't look like the hoses are trying for the pretzel award. Seems to be working now.
Tom M
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
I am plugging the fans and the pump/heat ex-changer directly into a 10 port fan controller box that I bought earlier when I was still trying to get by on my original air cooler.
I don't have any of the RGB enabled but that wasn't what I bought it for anyway.
Tom M
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
Ouch.... I just looked up threadripper on Ebay. For £1500 (over three times the price of my normal Ryzen), I can get a 3960X which is only one and two thirds times faster. Not very cost efficient are they? I'll just buy three normal Ryzens....
If this page takes an hour to load, reduce posts per page to 20 in your settings, then the tinpot 486 Einstein uses can handle it.
OK, that AIO has mounting brackets that fit in the pump body slots that allow swapping the hose position 180° if it fits better in your case that way.
While it is possible to turn it 180 degrees. It leaves the pump slightly off center because there is not a "notch" on the other side that lets it slide all the way "home". Because I took the time to try dry fitting I ended up with hoses that were not nearly as twisted/torqued as the original install attempt.
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
I would like to restart this thread on a closely related topic.
Epyc Motherboard Cpu coolers.
The story so far.
I have an Epyc 7742 QS (Quality Sample) (64c/128t) CPU. The air cooler I have is insufficient to keep it cool if I let the CPU run on "auto" or 240 watts.
I bought a recommended AIO liquid cooler.
It really cools the CPU.
I have limited experience with installing liquid CPU coolers.
It was an extremely awkward install.
Turns out I will need to (probably) replace the rattling radiator fans.
Removed pending re-install/replacement
The "best" Air Cooled CPU cooler is, of course, from NOCTUA. (Noctua NH-U14S TR4-SP3)
It is designed for a ThreadRipper MB but will fit an Epyc MB (same socket design)
It is designed for the TR socket orientation. This means it will blow across the Epyc MB rather than "front to back".
I think the default fan install would cause it to blow hot air on the gpus.
I think I can reverse the fan airflow to blow out the "top" of the case which would take the hot air off the GPU(s).
I have a refund parked at Paypal that would pay for this cooler.
It will be MUCH less aggravating to install. But likely the CPU will run hotter than the liquid cooling solution.
I will be studying my current liquid cooler. And trying to see if I can perform a less awkward install. But I really want to switch back to an Air Cooled solution.
Comments?
Tom M
I use Noctua NH-U14S TR4-SP3 on my 64c/128t EPYC builds as well. I have 3 of them and members in my team have a fleet of them as well. We all use these coolers to cool them.
My dual setup is currently sitting at 54C and 52C on the CPUs with ambient temp around 75F (23.8C) with both CPUs seeing a 100% load. Both coolers only have 1 fan. That's two 240W CPUs on air cooling, by the way. Not sure what my third one is doing, don't care to look, but its using the same cooler so temps are mostly likely around the same on it as well.
For those that were interested, I will post a short review of the Dell Precision 7865 workstations that we have had up and running for about a week, in the context of BOINC work. I know there was some interest in these in an earlier post so I will give you my thoughts.
First, I will re-post the specs of the two systems:
I am amazed that they fit everything in the Precision 7865 case. When I opened the box, I was really surprised at the size and my immediate thought was “is this going to have thermal issues?”. Brief answer- no.
I can say that for the Precision line, Dell knows how to build systems. The cooling solution is really clean and highly effective.
The heatsink on the CPU is… massive, and works well. The shroud has a fan built into it. I have tried adding some photos to this post, but it is not working. This is a Google Drive folder with pictures, if interested:
Obviously, there is not much room for GPUs, but I know the systems can house two, double width cards. In my opinion, I would not put any other GPUs in these towers except for workstation cards because of potential heat issues (if running them 100%, 24/7). Of course, I am sure a lower-powered card would be fine if it is not generating much heat.
Now, for performance/temps/speeds when running at 100%. I DO increase the fan speeds via the bios on all of the Dell systems I run, simply because I think their cooling curve is conservative.
Room where workstations are located is ~24C. We run E@H GPU work and then WCG for CPU work.
5995WX
Under 100% workload, all-core speed is 3.05GHz, 68 deg C, 277w, and A4500 GPU is 75 deg C (running three concurrent GPU work units).
5965WX
Under 100% workload, all-core speed is 4.18GHz, 82 deg C, 286w, and A4500 GPU is 75 deg C (running three concurrent GPU work units). I could increase the CPU and case fan speed more manually but the system CAN increase the speeds, if it needs to- which it apparently doesn’t feel like it needs.
They can process just a ridiculous quantity of work very smoothly, overall. All memory channels are filled, so I know this is helping.
I can’t say that running GPU work units (A4500 GPU) is much faster on this system versus an older system with the same GPU (which makes sense). Right now, I am running three concurrent search #1 work units and they are taking ~8:47.
For CPU work, there is a dramatic uptick in speed versus our main Xeon system (Dual Xeon Gold 6258R CPUs but not all memory channels are filled- I am working on that). On the 5965WX, we are running ~40 WCG work units and on the 5995WX we are running ~118 WCG work units, simultaneously. The Mapping Cancer Markers work units are taking 1.5 hours on the 5965WX and about 2 hours on the 5995WX. For a point of comparison, our Xeon system running at ~3.05GHz will take about 3 hours for one of these work units.
Originally, as I posted a week ago in the Nvidia thread, the GPUs were a little slower then they should have been. I figured out that this was a Windows 11 issue- the hardware enhanced GPU scheduling was enabled by default. I disabled this, and then got the speeds I expected.
If anyone has any questions about the Precision 7865, let me know- we are happy to share any other details.
Up next- two student-built Threadripper towers (older TRs). All the parts besides the GPUs have arrived and students were working today to get the cases ready. They might be up and running by the end of next week. These will be our Ubuntu systems.
GWGeorge007 wrote:Well said,
)
You cannot deny the simple equations of heat transfer.
If this page takes an hour to load, reduce posts per page to 20 in your settings, then the tinpot 486 Einstein uses can handle it.
GWGeorge007 wrote: Tom M
)
George,
As usual context is "everything". I struggled for years especially in my childhood because I was a "perfectionist". I finally was taught/learned that you have to make the mistakes of practicing and failing, to learn how to do something.
So you have to already be very good at something before "a teacher who said: "If you don't have the time to do something right the first time, then don't do it at all"." really applies.
I will note, this is the 2nd liquid cooling system I have ever tried to install on a PC.
And I spent well over an hour and a half including a rest break getting something that doesn't look like the hoses are trying for the pretzel award. Seems to be working now.
Tom M
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
Keith Myers wrote: Which TR4
)
Silverstone iCeGem360
I am plugging the fans and the pump/heat ex-changer directly into a 10 port fan controller box that I bought earlier when I was still trying to get by on my original air cooler.
I don't have any of the RGB enabled but that wasn't what I bought it for anyway.
Tom M
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
OK, that AIO has mounting
)
OK, that AIO has mounting brackets that fit in the pump body slots that allow swapping the hose position 180° if it fits better in your case that way.
Ouch.... I just looked up
)
Ouch.... I just looked up threadripper on Ebay. For £1500 (over three times the price of my normal Ryzen), I can get a 3960X which is only one and two thirds times faster. Not very cost efficient are they? I'll just buy three normal Ryzens....
If this page takes an hour to load, reduce posts per page to 20 in your settings, then the tinpot 486 Einstein uses can handle it.
Keith Myers wrote: OK, that
)
While it is possible to turn it 180 degrees. It leaves the pump slightly off center because there is not a "notch" on the other side that lets it slide all the way "home". Because I took the time to try dry fitting I ended up with hoses that were not nearly as twisted/torqued as the original install attempt.
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
I found another Asus x570
)
I found another Asus x570 Prime Pro motherboard (open box). This one has 3 long slots.
So now I have a backup Ryzen MB. I can afford to lose a Ryzen MB. And it will only be an inconvenience.
Tom M
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
Tom M wrote:I would like to
)
I use Noctua NH-U14S TR4-SP3 on my 64c/128t EPYC builds as well. I have 3 of them and members in my team have a fleet of them as well. We all use these coolers to cool them.
My dual setup is currently sitting at 54C and 52C on the CPUs with ambient temp around 75F (23.8C) with both CPUs seeing a 100% load. Both coolers only have 1 fan. That's two 240W CPUs on air cooling, by the way. Not sure what my third one is doing, don't care to look, but its using the same cooler so temps are mostly likely around the same on it as well.
Thank you. That confirms that
)
Thank you. That confirms that if I had not been successful in the liquid CPU cooler re-install the air cool only solution would have done the job.
I appreciate your shared expertise.
Tom M
A Proud member of the O.F.A. (Old Farts Association). Be well, do good work, and keep in touch.® (Garrison Keillor)
For those that were
)
For those that were interested, I will post a short review of the Dell Precision 7865 workstations that we have had up and running for about a week, in the context of BOINC work. I know there was some interest in these in an earlier post so I will give you my thoughts.
First, I will re-post the specs of the two systems:
AMD Ryzen Threadripper PRO 5995WX (256 MB cache, 64 cores, 128 threads, 2.7GHz to 4.5GHz, 280 W)
Precision 7865 Tower 1350W Chassis
128GB 8x16GB DDR4 3200MHz RDIMM ECC
NVIDIA RTX A4500
2TB, M.2, PCIe NVMe, SSD, Class 40
Then, two of these:
AMD Ryzen Threadripper PRO 5965WX (128 MB cache, 24 cores, 48 threads, 3.8GHz to 4.5GHz, 280 W)
Precision 7865 Tower 1350W Chassis
64GB 8x8GB DDR4 3200MHz RDIMM ECC
NVIDIA RTX A4500
2TB, M.2, PCIe NVMe, SSD, Class 40
I am amazed that they fit everything in the Precision 7865 case. When I opened the box, I was really surprised at the size and my immediate thought was “is this going to have thermal issues?”. Brief answer- no.
I can say that for the Precision line, Dell knows how to build systems. The cooling solution is really clean and highly effective.
The heatsink on the CPU is… massive, and works well. The shroud has a fan built into it. I have tried adding some photos to this post, but it is not working. This is a Google Drive folder with pictures, if interested:
Obviously, there is not much room for GPUs, but I know the systems can house two, double width cards. In my opinion, I would not put any other GPUs in these towers except for workstation cards because of potential heat issues (if running them 100%, 24/7). Of course, I am sure a lower-powered card would be fine if it is not generating much heat.
Now, for performance/temps/speeds when running at 100%. I DO increase the fan speeds via the bios on all of the Dell systems I run, simply because I think their cooling curve is conservative.
Room where workstations are located is ~24C. We run E@H GPU work and then WCG for CPU work.
5995WX
Under 100% workload, all-core speed is 3.05GHz, 68 deg C, 277w, and A4500 GPU is 75 deg C (running three concurrent GPU work units).
5965WX
Under 100% workload, all-core speed is 4.18GHz, 82 deg C, 286w, and A4500 GPU is 75 deg C (running three concurrent GPU work units). I could increase the CPU and case fan speed more manually but the system CAN increase the speeds, if it needs to- which it apparently doesn’t feel like it needs.
They can process just a ridiculous quantity of work very smoothly, overall. All memory channels are filled, so I know this is helping.
I can’t say that running GPU work units (A4500 GPU) is much faster on this system versus an older system with the same GPU (which makes sense). Right now, I am running three concurrent search #1 work units and they are taking ~8:47.
For CPU work, there is a dramatic uptick in speed versus our main Xeon system (Dual Xeon Gold 6258R CPUs but not all memory channels are filled- I am working on that). On the 5965WX, we are running ~40 WCG work units and on the 5995WX we are running ~118 WCG work units, simultaneously. The Mapping Cancer Markers work units are taking 1.5 hours on the 5965WX and about 2 hours on the 5995WX. For a point of comparison, our Xeon system running at ~3.05GHz will take about 3 hours for one of these work units.
Originally, as I posted a week ago in the Nvidia thread, the GPUs were a little slower then they should have been. I figured out that this was a Windows 11 issue- the hardware enhanced GPU scheduling was enabled by default. I disabled this, and then got the speeds I expected.
If anyone has any questions about the Precision 7865, let me know- we are happy to share any other details.
Up next- two student-built Threadripper towers (older TRs). All the parts besides the GPUs have arrived and students were working today to get the cases ready. They might be up and running by the end of next week. These will be our Ubuntu systems.