add tips to force NCCL comm to go through EFA #531
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Co-authored-by: mhuguesaws <[email protected]>
mhuguesaws
reviewed
Jan 23, 2025
mhuguesaws
reviewed
Jan 23, 2025
mhuguesaws
reviewed
Jan 23, 2025
| @@ -316,3 +316,25 @@ The formula defines the maximum theoretical bandwidth that can be achieved on di | |||
| * `t` : time to complete the operation. (similar to sec for Algbw and Busbw) | |||
| * `S` : number of elements being communicated (similar to count for Algbw and Busbw) | |||
| * `B` : theoretical peak bandwidth. | |||
|
|
|||
| ## 4. Tips and Tricks | |||
There was a problem hiding this comment.
Please find another title.
mhuguesaws
reviewed
Jan 23, 2025
|
|
||
| ## 4. Tips and Tricks | ||
|
|
||
| This section demonstrates NCCL tests tips and tricks useful to diagnose cluster nodes. |
There was a problem hiding this comment.
How do we know if this is bad or good?
There was a problem hiding this comment.
If the test works till the end -> good. Otherwise bad?
There was a problem hiding this comment.
We should set expected performance on single instance.
Co-authored-by: mhuguesaws <[email protected]>
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Issue #, if available:
Description of changes:
By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.