Adds bandwidth.yml playbook to download, build, and run nvbandwidth.

bandwidth.yml is ran via cudatests.yml

Author: claudia-lola

ansible/adhoc/cudatests.yml

@@ -7,3 +7,8 @@
     - ansible.builtin.import_role:
         name: cuda
         tasks_from: samples.yml
+
+    - name: Run CUDA bandwidth tasks
+      ansible.builtin.import_role:
+        name: cuda
+        tasks_from: bandwidth.yml

ansible/roles/cuda/defaults/main.yml

@@ -16,3 +16,6 @@ cuda_samples_programs:
   - bandwidthTest
 # cuda_devices: # discovered from deviceQuery run
 cuda_persistenced_state: started
+# variables for nvbandwidth (for bandwidth.yml tasks run in cudatests.yml)
+cuda_bandwidth_path: "/var/lib/{{ ansible_user }}/cuda_bandwidth"
+cuda_bandwidth_release_url: "https://github.com/NVIDIA/nvbandwidth/archive/refs/tags/v0.8.tar.gz"

ansible/roles/cuda/tasks/bandwidth.yml

@@ -0,0 +1,56 @@
+---
+- name: Ensure cuda_bandwidth_path exists
+  ansible.builtin.file:
+    state: directory
+    path: "{{ cuda_bandwidth_path }}"
+    owner: "{{ ansible_user }}"
+    group: "{{ ansible_user }}"
+    mode: "0755"
+
+- name: Download CUDA bandwith test release
+  ansible.builtin.unarchive:
+    remote_src: true
+    src: "{{ cuda_bandwidth_release_url }}"
+    dest: "{{ cuda_bandwidth_path }}"
+    owner: "{{ ansible_user }}"
+    group: "{{ ansible_user }}"
+    creates: "{{ cuda_bandwidth_path }}/nvbandwidth-0.8"
+
+- name: Creates CUDA bandwidth test build directory
+  ansible.builtin.file:
+    state: directory
+    path: "{{ cuda_bandwidth_path }}/nvbandwidth-0.8/build"
+    mode: "0755"
+
+- name: Ensure cudatests directory exists
+  ansible.builtin.file:
+    path: "{{ appliances_environment_root }}/cudatests"
+    state: directory
+    mode: '0755'
+  delegate_to: localhost
+
+- name: Build CUDA bandwidth test
+  ansible.builtin.shell:
+    cmd: |
+      source /cvmfs/software.eessi.io/versions/2023.06/init/bash &&
+      module load Boost/1.82.0-GCC-12.3.0 &&
+      . /etc/profile.d/sh.local && cmake .. &&
+      make -j {{ ansible_processor_vcpus }}
+    chdir: "{{ cuda_bandwidth_path }}/nvbandwidth-0.8/build"
+    creates: "{{ cuda_bandwidth_path }}/nvbandwidth-0.8/build/nvbandwidth"
+
+- name: Run CUDA bandwidth test
+  ansible.builtin.shell: |
+    export LD_LIBRARY_PATH=/cvmfs/software.eessi.io/versions/2023.06/software/linux/x86_64/amd/zen4/software/GCCcore/12.3.0/lib64:\
+    /cvmfs/software.eessi.io/versions/2023.06/software/linux/x86_64/amd/zen4/software/Boost/1.82.0-GCC-12.3.0/lib
+    ./nvbandwidth
+  args:
+    chdir: "{{ cuda_bandwidth_path }}/nvbandwidth-0.8/build/"
+  register: cuda_bandwidth_output
+
+- name: Save CUDA bandwidth output to bandwidth_results.txt
+  ansible.builtin.copy:
+    content: "{{ cuda_bandwidth_output.stdout }}"
+    dest: "{{ appliances_environment_root }}/cudatests/bandwidth_results.txt"
+    mode: '0644'
+  delegate_to: localhost