From 18 straight to 9 cores!

[Knish]

thought i'd try 2x3x3 ... then this happened (hope next WU will use 18?) (EDIT: Yes, using 18 now)

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*********************** Log Started 2020-12-18T20:14:11Z ***********************
20:14:11:Trying to access database...
20:14:11:Successfully acquired database lock
20:14:11:Read GPUs.txt
20:14:12:Enabled folding slot 00: READY cpu:18
20:14:12:****************************** FAHClient ******************************
20:14:12:    Version: 7.6.13
20:14:12:     Author: Joseph Coffland <joseph@cauldrondevelopment.com>
20:14:12:  Copyright: 2020 foldingathome.org
20:14:12:   Homepage: https://foldingathome.org/
20:14:12:       Date: Apr 28 2020
20:14:12:       Time: 04:20:16
20:14:12:   Revision: 5a652817f46116b6e135503af97f18e094414e3b
20:14:12:     Branch: master
20:14:12:   Compiler: GNU 8.3.0
20:14:12:    Options: -std=c++11 -ffunction-sections -fdata-sections -O3 -funroll-loops
20:14:12:             -fno-pie
20:14:12:   Platform: linux2 4.19.0-5-amd64
20:14:12:       Bits: 64
20:14:12:       Mode: Release
20:14:12:       Args: --child /etc/fahclient/config.xml --run-as fahclient
20:14:12:             --pid-file=/var/run/fahclient.pid --daemon
20:14:12:     Config: /etc/fahclient/config.xml
20:14:12:******************************** CBang ********************************
20:14:12:       Date: Apr 25 2020
20:14:12:       Time: 00:07:53
20:14:12:   Revision: ea081a3b3b0f4a37c4d0440b4f1bc184197c7797
20:14:12:     Branch: master
20:14:12:   Compiler: GNU 8.3.0
20:14:12:    Options: -std=c++11 -ffunction-sections -fdata-sections -O3 -funroll-loops
20:14:12:             -fno-pie -fPIC
20:14:12:   Platform: linux2 4.19.0-5-amd64
20:14:12:       Bits: 64
20:14:12:       Mode: Release
20:14:12:******************************* System ********************************
20:14:12:        CPU: Intel(R) Xeon(R) CPU @ 2.30GHz
20:14:12:     CPU ID: GenuineIntel Family 6 Model 63 Stepping 0
20:14:12:       CPUs: 18
20:14:12:     Memory: 8.77GiB
20:14:12:Free Memory: 8.36GiB
20:14:12:    Threads: POSIX_THREADS
20:14:12: OS Version: 4.19
20:14:12:Has Battery: false
20:14:12: On Battery: false
20:14:12: UTC Offset: 0
20:14:12:        PID: 633
20:14:12:        CWD: /var/lib/fahclient
20:14:12:         OS: Linux 4.19.0-13-cloud-amd64 x86_64
20:14:12:    OS Arch: AMD64
20:14:12:       GPUs: 0
20:14:12:       CUDA: Not detected: Failed to open dynamic library 'libcuda.so':
20:14:12:             libcuda.so: cannot open shared object file: No such file or
20:14:12:             directory
20:14:12:     OpenCL: Not detected: Failed to open dynamic library 'libOpenCL.so':
20:14:12:             libOpenCL.so: cannot open shared object file: No such file or
20:14:12:             directory
20:14:12:******************************* libFAH ********************************
20:14:12:       Date: Apr 15 2020
20:14:12:       Time: 21:43:24
20:14:12:   Revision: 216968bc7025029c841ed6e36e81a03a316890d3
20:14:12:     Branch: master
20:14:12:   Compiler: GNU 8.3.0
20:14:12:    Options: -std=c++11 -ffunction-sections -fdata-sections -O3 -funroll-loops
20:14:12:             -fno-pie
20:14:12:   Platform: linux2 4.19.0-5-amd64
20:14:12:       Bits: 64
20:14:12:       Mode: Release
20:14:12:***********************************************************************
20:14:12:<config>
20:14:12:  <!-- Client Control -->
20:14:12:  <fold-anon v='true'/>
20:14:12:
20:14:12:  <!-- Folding Slot Configuration -->
20:14:12:  <gpu v='false'/>
20:14:12:
20:14:12:  <!-- Slot Control -->
20:14:12:  <power v='full'/>
20:14:12:</config>
20:14:12:WU00:FS00:Starting
20:14:12:WARNING:WU00:FS00:AS lowered CPUs from 18 to 9
20:14:12:WU00:FS00:Running FahCore: /usr/bin/FAHCoreWrapper /var/lib/fahclient/cores/cores.foldingathome.org/lin/64bit-avx2-256/a8-0.0.9/Core_a8.fah/FahCore_a8 -dir 00 -suffix 01 -version 706 -lifeline 633 -checkpoint 15 -np 9
20:14:12:WU00:FS00:Started FahCore on PID 644
20:14:12:WU00:FS00:Core PID:648

[Hopfgeist]

Can you show a bit more from your log, so we can see what project this was? I had the same thing, and there are some projects with a maximum number of computing threads, which in these cases seems to be 9. These may be assigned to your machine even if you have advertised 18 cores, when no suitable other work units are available.

Here's what it looked like for me:

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14:50:35:WU00:FS00:Connecting to 129.32.209.203:8080
[...]
14:50:42:WU00:FS00:Received Unit: id:00 state:DOWNLOAD error:NO_ERROR project:16932 run:13 clone:53 gen:0 core:0xa8 unit:0x0000003500000000000042240000000d
[...]
14:51:17:WARNING:WU00:FS00:AS lowered CPUs from 12 to 9
14:51:17:WU00:FS00:Running FahCore: /usr/bin/FAHCoreWrapper /home/hopfgeist/FAH/cores/cores.foldingathome.org/lin/64bit-sse2/a8-0.0.9/Core_a8.fah/FahCore_a8 -dir 00 -suffix 01 -version 706 -lifeline 13604 -checkpoint 15 -np 9

I have a couple more, in at some cases lowering from 24 directly to 9, they are all from a certain range of projects, I have seen 16923, 16930, 16932, 16934, 17201.

Cheers,
HG.

P.S. I see you are running Client 7.6.13. Although I don't think this is related, you might consider upgrading to a more recent version.

[Knish]

Unfortunately I got distracted by some other thing so ended my test without saving the log