intel10g: Enable TX prefetch for 14.8 Mpps #628
Merged
Conversation
This file contains 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
Enable the "TX descriptor prefetching" feature. This is required for the 82599 NIC to achieve line-rate transmission with 64-byte packets. Resolves snabbco#622.
|
From the SnabbBot report:
Translation: 12% faster than master. |
|
Nice one! |
|
Progress at least... The packetblaster benchmark should score 14.8 (Mpps) with 64-byte packets if all is well. That would be more like +55%. I suspect the issue is that packetblaster is sensitive to the other end of the connection and we need something there that is actually up and quickly receiving packets -- but not certain about that. |
|
... or really should that be with 60 byte packets in the input file? (the other 4 bytes being the automatic/implicit ethernet CRC rather than part of the packetblaster config.) |
lukego
added a commit
to lukego/snabb
that referenced
this pull request
Oct 1, 2015
2 tasks
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Outdated suggestions cannot be applied.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.
Enable the "TX descriptor prefetching" feature. This is required for the 82599 NIC to achieve line-rate transmission with 64-byte packets.
Resolves #622.