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Search: Posts Made By: Xyzzy
Forum: Hardware 2020-06-04, 17:44
Replies: 161
Views: 10,511
Posted By Xyzzy
Here is the Windows task manager in "NUMA"...

Here is the Windows task manager in "NUMA" mode:
Forum: Hardware 2020-06-04, 17:30
Replies: 161
Views: 10,511
Posted By Xyzzy
We changed the video card to a Radeon. We have...

We changed the video card to a Radeon. We have never seen GPU-Z show memory and memory VRM temperatures before. That is pretty handy!

:mike:
Forum: Puzzles 2020-06-04, 15:56
Replies: 3
Views: 1,313
Posted By Xyzzy
http://www.research.ibm.com/haifa/ponderthis/solut...

http://www.research.ibm.com/haifa/ponderthis/solutions/May2020.html
Forum: Lounge 2020-06-03, 12:06
Replies: 115
Views: 21,012
Posted By Xyzzy
W23 Summary Balance from previous week:...

W23 Summary

Balance from previous week: $104
New donations: $0
Expenditures: $30
New balance: $74
Total donations overall: $3780
Notes:

The $30 is for June's web server fee.
Forum: NFS@Home 2020-05-28, 13:57
Replies: 41
Views: 3,915
Posted By Xyzzy
107331526897849_17m1

p106 factor: 2105958811302039648915193394400262613842201553217728070151375057965033680502149534326892015881976736265279
p110 factor:...
Forum: Lounge 2020-05-28, 13:46
Replies: 3,882
Views: 228,266
Posted By Xyzzy
yKf9aUIxdb4

yKf9aUIxdb4
Forum: Hardware 2020-05-28, 12:50
Replies: 144
Views: 13,837
Posted By Xyzzy
https://techgage.com/article/intel-nuc-9-pro-quart...

https://techgage.com/article/intel-nuc-9-pro-quartz-canyon-workstation-review/
Forum: Hardware 2020-05-28, 12:47
Replies: 6
Views: 430
Posted By Xyzzy
https://www.tomshardware.com/news/oracle-raspberry...

https://www.tomshardware.com/news/oracle-raspberry-pi-supercomputer,40412.html

:mike:
Forum: Hardware 2020-05-27, 11:56
Replies: 33
Views: 1,267
Posted By Xyzzy
Gone?

Gone?
Forum: Lounge 2020-05-21, 12:20
Replies: 3,882
Views: 228,266
Posted By Xyzzy
https://www.maplesoft.com/applications/view.aspx?S...

https://www.maplesoft.com/applications/view.aspx?SID=6322&view=html
Forum: Science & Technology 2020-05-20, 13:03
Replies: 1,585
Views: 64,071
Posted By Xyzzy
https://www.bbc.com/news/science-environment-52719...

https://www.bbc.com/news/science-environment-52719662

It is amazing that one long-haul airplane flight is almost equal to a year of using a car.
Forum: Hardware 2020-05-19, 13:04
Replies: 161
Views: 10,511
Posted By Xyzzy
With the memory interleave setting on "channel"...

With the memory interleave setting on "channel" and with 12 cores running msieve, the CPU graph looks very different.

Before:

OXXOXO
XOXOXO
XOXOXO
XOXOXO

After:
Forum: Hardware 2020-05-19, 01:29
Replies: 161
Views: 10,511
Posted By Xyzzy
Here are all 5 possibilities: AUTO:Logical...

Here are all 5 possibilities:

AUTO:Logical Processor to NUMA Node Map:
************************ NUMA Node 0
- NUMA Node 1
Calculating Cross-NUMA Node Access Cost...
...
Forum: Lounge 2020-05-18, 13:08
Replies: 39
Views: 949
Posted By Xyzzy
Windows 10

Windows 10
Forum: Hardware 2020-05-18, 13:05
Replies: 161
Views: 10,511
Posted By Xyzzy
So to put a 6 thread job on only the "real" cores...

So to put a 6 thread job on only the "real" cores of the second CCD, we are using this command: taskset -c 12,14,16,18,20,22 nice -19 ../msieve -ncr -t 6 -v target_density=120 -i...
Forum: Hardware 2020-05-18, 12:51
Replies: 161
Views: 10,511
Posted By Xyzzy
We set the memory interleaving option in the BIOS...

We set the memory interleaving option in the BIOS from "AUTO" to "CHANNEL".

Before:Logical Processor to NUMA Node Map:
************************ NUMA Node 0
- NUMA Node 1
Calculating...
Forum: Hardware 2020-05-18, 12:25
Replies: 161
Views: 10,511
Posted By Xyzzy
Possibly useful? ...

Possibly useful?

https://www.passmark.com/forum/performancetest/41162-numa-memory-benchmarking-on-amd-threadripper...
Forum: Hardware 2020-05-18, 12:18
Replies: 161
Views: 10,511
Posted By Xyzzy
Here is the hwlock info for our CPU:AMD Ryzen...

Here is the hwlock info for our CPU:AMD Ryzen Threadripper 1920X 12-Core Processor
CPU speed: 3493.43 MHz, 12 hyperthreaded cores
CPU features: 3DNow! Prefetch, SSE, SSE2, SSE4, AVX, AVX2, FMA
L1...
Forum: Lounge 2020-05-17, 23:10
Replies: 39
Views: 949
Posted By Xyzzy
We check our "privacy" settings every time we do...

We check our "privacy" settings every time we do updates because sometimes they are "conveniently" changed.

We do updates once a month because the update process, if left to do what it wants,...
Forum: Hardware 2020-05-17, 23:06
Replies: 161
Views: 10,511
Posted By Xyzzy
We had no idea what a CCX was, so we found this:...

We had no idea what a CCX was, so we found this: https://www.tomshardware.com/reviews/amd-ccx-definition-cpu-core-explained,6338.html

Is there a way to lock a process and its threads to a...
Forum: NFS@Home 2020-05-15, 11:19
Replies: 244
Views: 14,704
Posted By Xyzzy
5_364p

p64 factor: 5211333026589870284175302418984504498676940055507472443991322299
p159 factor: ...
Forum: Hardware 2020-05-13, 12:27
Replies: 161
Views: 10,511
Posted By Xyzzy
We had Prime95 (1 thread) and msieve (12 threads)...

We had Prime95 (1 thread) and msieve (12 threads) running when we wrote the above quote. As an experiment we ran just msieve on 12 threads and the temperature dropped to 40°C!

:mike:
Forum: Lounge 2020-05-12, 00:43
Replies: 3,882
Views: 228,266
Posted By Xyzzy
sLdgM8VQu7I

sLdgM8VQu7I
Forum: Hardware 2020-05-11, 19:22
Replies: 161
Views: 10,511
Posted By Xyzzy
To reduce the heat in our study and to save a bit...

To reduce the heat in our study and to save a bit on electricity, we stripped all of our computers down and reassembled them into one big computer. (The old parts were then passed along to the feral...
Forum: Lounge 2020-05-06, 15:28
Replies: 21
Views: 1,729
Posted By Xyzzy
https://stackoverflow.blog/2020/04/27/build-your-t...

https://stackoverflow.blog/2020/04/27/build-your-technical-skills-at-home-with-online-learning/
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