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706b62058b
| Author | SHA1 | Date |
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 Paul Pham
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706b62058b | 2 years ago |
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Paul Pham
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c7f2ccb03b | 2 years ago |
@ -0,0 +1,27 @@
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# Setup
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On a new host
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## Min Browser
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## Element Desktop
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To share passwords and other random links.
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## Git
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### User Name and Email
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### Cache Password
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Because Gitea / Forgejo require that the repository directory belong to the `gitea` or `forgejo` user, and I believe
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I've misconfigured it on `petra`.
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According to this
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https://www.freecodecamp.org/news/how-to-fix-git-always-asking-for-user-credentials/
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```
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git config --global credential.helper store
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```
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@ -1,133 +0,0 @@
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# Kernel Boot Params
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## Updating Grub
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To select the `AMDGPU` driver / module.
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https://askubuntu.com/a/1314983
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I'll add the following flags to the appropriate line in `/etc/default/grub`
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```
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GRUB_CMDLINE_LINUX_DEFAULT="radeon.si_support=0 radeon.cik_support=0 amdgpu.si_support=1 amdgpu.cik_support=1 amdgpu.dc=1 amdgpu.dpm=1 amdgpu.modeset=1"
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```
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Then run
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```
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sudo update-grub
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```
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and reboot, selecting Ubuntu 20.04 per this branch of the debugging tree.
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## Rebooting
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After rebooting, `OpenCL` detects the GPU! But it hangs and does not return from the call
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```
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sudo clinfo -l
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```
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The call without the `sudo` yields just the CPU and `Number of devices: 0` as before.
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Here's the glorious output:
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```
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$ sudo clinfo -l
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[sudo] password for arcologos:
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Number of platforms: 1
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Platform Profile: FULL_PROFILE
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Platform Version: OpenCL 2.1 AMD-APP (3558.0)
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Platform Name: AMD Accelerated Parallel Processing
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Platform Vendor: Advanced Micro Devices, Inc.
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Platform Extensions: cl_khr_icd cl_amd_event_callback
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Platform Name: AMD Accelerated Parallel Processing
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Number of devices: 1
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Device Type: CL_DEVICE_TYPE_GPU
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Vendor ID: 1002h
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Board name: AMD Radeon (TM) R9 390 Series
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Device Topology: PCI[ B#3, D#0, F#0 ]
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Max compute units: 40
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Max work items dimensions: 3
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Max work items[0]: 1024
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Max work items[1]: 1024
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Max work items[2]: 1024
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Max work group size: 256
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Preferred vector width char: 4
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Preferred vector width short: 2
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Preferred vector width int: 1
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Preferred vector width long: 1
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Preferred vector width float: 1
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Preferred vector width double: 1
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Native vector width char: 4
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Native vector width short: 2
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Native vector width int: 1
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Native vector width long: 1
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Native vector width float: 1
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Native vector width double: 1
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Max clock frequency: 1005Mhz
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Address bits: 64
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Max memory allocation: 7301444400
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Image support: Yes
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Max number of images read arguments: 128
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Max number of images write arguments: 8
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Max image 2D width: 16384
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Max image 2D height: 16384
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Max image 3D width: 16384
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Max image 3D height: 16384
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Max image 3D depth: 8192
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Max samplers within kernel: 26545
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Max size of kernel argument: 1024
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Alignment (bits) of base address: 1024
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Minimum alignment (bytes) for any datatype: 128
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Single precision floating point capability
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Denorms: No
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Quiet NaNs: Yes
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Round to nearest even: Yes
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Round to zero: Yes
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Round to +ve and infinity: Yes
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IEEE754-2008 fused multiply-add: Yes
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Cache type: Read/Write
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Cache line size: 64
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Cache size: 16384
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Global memory size: 8589934592
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Constant buffer size: 7301444400
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Max number of constant args: 8
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Local memory type: Scratchpad
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Local memory size: 65536
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Max pipe arguments: 16
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Max pipe active reservations: 16
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Max pipe packet size: 3006477104
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Max global variable size: 7301444400
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Max global variable preferred total size: 8589934592
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Max read/write image args: 64
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Max on device events: 1024
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Queue on device max size: 8388608
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Max on device queues: 1
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Queue on device preferred size: 262144
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SVM capabilities:
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Coarse grain buffer: Yes
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Fine grain buffer: Yes
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Fine grain system: No
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Atomics: No
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Preferred platform atomic alignment: 0
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Preferred global atomic alignment: 0
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Preferred local atomic alignment: 0
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```
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## Add User to Video Group
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Per this response
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https://github.com/RadeonOpenCompute/ROCm/issues/482#issuecomment-410551357
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I add the current user to the `video` group. I forget where I first read that this was necessary, but next also
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is to try the `render` group.
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```
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sudo usermod -G video -a $USER
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```
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@ -0,0 +1,95 @@
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# Render Group and Rebooting
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When trying to do a hardware shutdown, I got these error messages for every instance
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of the `clinfo` process that I had started up. They hang hard, and don't respond to
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kill signals.
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```
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systemd-shutdown[1]: Waiting for process: clinfo, clinfo, clinfo, clinfo, clinfo
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```
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## Rebooting
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New groups indeed show up upon reboot.
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```
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$ id
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uid=1000(arcologos) gid=1000(arcologos) groups=1000(arcologos),4(adm),24(cdrom),27(sudo),30(dip),44(video),46(plugdev),109(render),120(lpadmin),133(lxd),134(sambashare)
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```
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## Killing `clinfo` Process
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Repeatedly calling
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```
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ps -eax
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```
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and
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```
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sudo kill -KILL <pid>
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```
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of anything mentioning `clinfo` eventually did kill the `bash` processes
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waiting on `clinfo` after many minutes. However, the real processes
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remain as zombies
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```
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$ ps -eax | grep clinfo
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1519 pts/0 D 0:44 [clinfo]
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1553 pts/1 D 0:00 [clinfo]
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```
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## Installing `libnuma-dev`
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One of the GitHub issue advice was to install `libnuma-dev`,
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and now I wish I had been paying more attention to NUMA when
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working on SaLSa self-driving cars with Samhitha.
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```
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$ sudo apt install numactl
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Reading package lists... Done
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Building dependency tree
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Reading state information... Done
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The following NEW packages will be installed:
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numactl
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0 upgraded, 1 newly installed, 0 to remove and 171 not upgraded.
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Need to get 38.5 kB of archives.
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After this operation, 150 kB of additional disk space will be used.
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Get:1 http://us.archive.ubuntu.com/ubuntu focal/main amd64 numactl amd64 2.0.12-1 [38.5 kB]
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Fetched 38.5 kB in 0s (140 kB/s)
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Selecting previously unselected package numactl.
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(Reading database ... 165065 files and directories currently installed.)
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Preparing to unpack .../numactl_2.0.12-1_amd64.deb ...
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Unpacking numactl (2.0.12-1) ...
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Setting up numactl (2.0.12-1) ...
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Processing triggers for man-db (2.9.1-1) ...
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```
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The two cores of the Celeron show up in `numactl` but not the GPU.
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```
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$ sudo numactl -s
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policy: default
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preferred node: current
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physcpubind: 0 1
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cpubind: 0
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nodebind: 0
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membind: 0
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$ sudo numactl --hardware
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available: 1 nodes (0)
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node 0 cpus: 0 1
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node 0 size: 1574 MB
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node 0 free: 103 MB
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node distances:
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node 0
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0: 10
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```
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## Perhaps a Problem with `rocm-opencl` or Ubuntu distribution.
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A problem with this on Fedora prompts `clinfo` maintainer to suggest taking it up with Fedora
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https://github.com/Oblomov/clinfo/issues/81
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Unanswered
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https://community.amd.com/t5/drivers-software/clinfo-gets-hanged/td-p/444906
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