3950x 50% usage

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SolidAir79
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#1 3950x 50% usage

Post by SolidAir79 »

Hi im getting long run times 1hr 20 min and Btasks is saying only about 50% usage I have local usage set to 100% and i have hyperthreading enabled in bios and 3600mhz cl18 mem ,fclock set to 1800mhz on linux ubuntu, anyone able to help?
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domain name: dt2
IP addr: 127.0.1.1
#CPUS: 30
CPU vendor: AuthenticAMD
CPU model: AMD Ryzen 9 3950X 16-Core Processor [Family 23 Model 113 Stepping 0]
CPU FP OPS: 7186589149.357690
CPU int OPS: 84362554913.587662
OS name: Linux Ubuntu
OS version: Ubuntu 20.04.1 LTS [5.4.0-65-generic|libc 2.31 (Ubuntu GLIBC 2.31-0ubuntu9.1)]
mem size: 67428327424.000000
cache size: 524288.000000
swap size: 2147479552.000000
disk size: 1006530654208.000000
disk free: 906156285952.000000
NVIDIA GPU: GeForce RTX 3080 (driver version 460.32, CUDA version 11.2, compute capability 8.6, 4096MB, 3948MB available, 14884 GFLOPS peak)
OpenCL: NVIDIA 0: GeForce RTX 3080 (driver version 460.32.03, device version OpenCL 1.2 CUDA, 10015MB, 3948MB available, 14884 GFLOPS peak)
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#2 Re: 3950x 50% usage

Post by Dirk Broer »

Looks like you're steadily improving

I'm doing 95.79% here (click picture in order to see) on a four-core Pentium J5005 with 16GB RAM

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#3 Re: 3950x 50% usage

Post by scole of TSBT »

run htop and see what it shows
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#4 Re: 3950x 50% usage

Post by Alez »

Not very helpful for you, but I'm running on my doz laptop and each cmdock task only shows 14 - 17 % usage. On a 4 core laptop and comfortably running 4 x sidock, 1 x wuprop and 1 x mimecraft on iGPU. I don't think the tasks are particularly efficient.
I was actually considering faking the number of cores to run more tasks than I physically have cores.
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#5 Re: 3950x 50% usage

Post by davidbam »

this is what WUprop does - need to find the range of run-times other people are getting on that cpu under sidock
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#6 Re: 3950x 50% usage

Post by Alez »

WUProp runs as NCI ( non CPU intensive ) which allows the BOINC manager to ignore the task in the core count. Goofyfx was the same. I'm going to try faking 5 or 6 cores and see if it will still run.
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#7 Re: 3950x 50% usage

Post by davidbam »

0.5hrs under Linux
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I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#8 Re: 3950x 50% usage

Post by Alez »

I'm now running 6 tasks over the 4 cores. Processor usage has dropped from 14% per task to 11% per task. Run times on my laptop were just over an hour. On a very quick look , they don't seem to have slowed down much. Again, this is on doz, which from @davidBAM graph does seem to be less efficient than Linux. No change in the ability to use the laptop. I think I could go for even more cores at this rate.
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#9 Re: 3950x 50% usage

Post by davidbam »

I reckon @SolidAir79 has a hardware problem - his 80min run-times are almost 3x longer than average for that cpu on Linux. I've suggested a fresh install after the challenge to eliminate linux / boinc config issues.
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#10 Re: 3950x 50% usage

Post by Alez »

Tasks don't seem to use much memory, but there does seem to be quite a constant disc access. @SolidAir79 possible HDD transfer issue ?
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#11 Re: 3950x 50% usage

Post by davidbam »

That's a good thought.

We are currently running Universe on one thread too - on a sample of 1 WU, my 3900X is twice as fast as Alan's 3950X. Wil see how the average of 10WU looks
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#12 Re: 3950x 50% usage

Post by Miklos M »

Looks like my 1080 ti is doing each in 15 minutes, but only gets about 10 points each.
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#13 Re: 3950x 50% usage

Post by Alez »

@davidBAM Could be as simple as the SATA cable to the drive on it's way out. I've had that. Bloody infuriating to try to find problem until it actually fails.

On a quick and dirty look, running 6 tasks instead of 4 ( on windows ) seems to have increased the run time by 10 mins. That's multi GPU task improvement for a CPU app. Of course that assumes that the run time and CPU usage is linear. Can't tell for sure until a few tasks have actually completed.
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#14 Re: 3950x 50% usage

Post by Alez »

Oh @SolidAir79 , ignore Aurum on the sidock forum. He apparently knows everything about everything boinc related. :roll: Troll is the title that comes to mind. ....
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#15 Re: 3950x 50% usage

Post by SolidAir79 »

Thanks so far folks I have an M.2 p981 Samsung in that machine, thanks @Alez did get that impression :roll:
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#16 Re: 3950x 50% usage

Post by Alez »

@SolidAir79 if you have a spare SATA cable, try changing the drive cable and consider trying a different port on the mobo. I don't know which version of Linux you're running as your computers are hidden on sidock, but I'm presuming a flavour of Ubuntu. You can try using the disk check app to see if it regards your HDD as healthy.

https://help.ubuntu.com/stable/ubuntu-h ... ck.html.en
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#17 Re: 3950x 50% usage

Post by davidbam »

its an m.2 NVMe SSD @Alez
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#18 Re: 3950x 50% usage

Post by Alez »

Ah, my bad. m2 socket, so I'm afraid if it is the SSD it's replacement time. Just googled them, pretty cheap for the massive improvement over a HDD or SATA SSD. Feeling jealous :oops: Not that any of my stuff left running would see the improvement possible from them.
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#19 Re: 3950x 50% usage

Post by davidbam »

I wrote a test program :-)

Code: Select all

time dd if=/dev/zero of=tmpFile bs=1M count=128
A 128Mb file writes in less than 1/4 of a second (on mine and on Alan's)
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#20 Re: 3950x 50% usage

Post by Dirk Broer »

Miklos M wrote: Fri Feb 05, 2021 5:16 pmLooks like my 1080 ti is doing each in 15 minutes, but only gets about 10 points each.
Sidock on your GPU? Impossible, according to Sidock's application page...
And when you're running Universe on your GPU, try running CPU Wus too at the same time, to compare the results.
Then check what other projects pay in the same time -and set Universe to CPU only.
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#21 Re: 3950x 50% usage

Post by Miklos M »

Dirk Broer wrote: Fri Feb 05, 2021 7:29 pm
Miklos M wrote: Fri Feb 05, 2021 5:16 pmLooks like my 1080 ti is doing each in 15 minutes, but only gets about 10 points each.
Sidock on your GPU? Impossible, according to Sidock's application page...
And when you're running Universe on your GPU, try running CPU Wus too at the same time, to compare the results.
Then check what other projects pay in the same time -and set Universe to CPU only.
You are correct. My fault, I identify my computers by their gpu cards, but ofcourse it is the cpu that is doing the work on SiDock. :oops:
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#22 Re: 3950x 50% usage

Post by Alez »

Experiment has concluded. Turns out progress is not linear but surprisingly running 6 tasks on 4 cores ends up taking almost the same time as running then as 4 + 2. So no advantage, but shows there is definitely performance gains that could be made in the application.
I'm now running 3 tasks over the 4 cores with the process priority turned up to above normal. That does seem quicker per task, but probably not quick enough to offset running 3 tasks against 4.
BOINC manager now actually respects priority changes via cc_config.xml to both tasks and wrappers. This project is launched from a wrapper and previous versions on the manager would not change the priority of the apps launched by the wrapper.

Code: Select all

<cc_config>
<options>
<ncpus>4</ncpus>
<process_priority>3</process_priority>
<process_priority_special>3</process_priority_special>
</options>
</cc_config>
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#23 Re: 3950x 50% usage

Post by SolidAir79 »

Used command $ lscpu:
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: 43 bits physical, 48 bits virtual
CPU(s): 32
On-line CPU(s) list: 0-31
Thread(s) per core: 2
Core(s) per socket: 16
Socket(s): 1
NUMA node(s): 1
Vendor ID: AuthenticAMD
CPU family: 23
Model: 113
Model name: AMD Ryzen 9 3950X 16-Core Processor
Stepping: 0
Frequency boost: enabled
CPU MHz: 4114.818
CPU max MHz: 3500.0000
CPU min MHz: 2200.0000
BogoMIPS: 6999.52
Virtualisation: AMD-V
L1d cache: 512 KiB
L1i cache: 512 KiB
L2 cache: 8 MiB
L3 cache: 64 MiB
NUMA node0 CPU(s): 0-31

Anything out of place?, fairly new to Linux.
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#24 Re: 3950x 50% usage

Post by davidbam »

All good. This from a 3900X

Code: Select all

Architecture:                    x86_64
CPU op-mode(s):                  32-bit, 64-bit
Byte Order:                      Little Endian
Address sizes:                   43 bits physical, 48 bits virtual
CPU(s):                          24
On-line CPU(s) list:             0-23
Thread(s) per core:              2
Core(s) per socket:              12
Socket(s):                       1
NUMA node(s):                    1
Vendor ID:                       AuthenticAMD
CPU family:                      23
Model:                           113
Model name:                      AMD Ryzen 9 3900X 12-Core Processor
Stepping:                        0
Frequency boost:                 enabled
CPU MHz:                         3999.540
CPU max MHz:                     4000.0000
CPU min MHz:                     2200.0000
BogoMIPS:                        7999.08
Virtualisation:                  AMD-V
L1d cache:                       384 KiB
L1i cache:                       384 KiB
L2 cache:                        6 MiB
L3 cache:                        64 MiB
NUMA node0 CPU(s):               0-23
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#25 Re: 3950x 50% usage

Post by SolidAir79 »

Thanks just wanted to make sure :think:
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#26 Re: 3950x 50% usage

Post by SolidAir79 »

Issue resolved thanks @davidBAM for helping me troubleshoot .
Switched all my parts out ,last was the m.2 with Linux used an old sata ssd and fresh install of Linux and hey presto !
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#27 Re: 3950x 50% usage

Post by davidbam »

One Q - as I'm not actually sure why the problem arose - was this Linux installation (on the m.2 drive) used previously in another machine? If so, did it have an Intel processor?

Damn - that is two Qs
I think this is fool-proof but could you just try it for me please? • There are 10 types of people in the world; those who understand binary, and those who don’t
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#28 Re: 3950x 50% usage

Post by SolidAir79 »

The m.2 was new and only on that machine I did most of the upgrades about the same time and as there were not alot of challenges on/new to ryzen i never noticed.
Thinking back we did the benchmarks and Linux cpu loading was taking longer on the 30 series gpu projects im guessing this was why :oops:
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