Use 128B chunks instead of 1B writes in Print::print(FlashStringHelper) #6893
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
Fixes esp8266#6524 Should help with speed of output when printing large flash strings to things like a file or a TCP connection. Use a 128 byte chunk in a temp buffer to send data using write(), reducing the # of write calls by ~128x.
d-a-v
approved these changes
Dec 9, 2019
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
3 participants
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Outdated suggestions cannot be applied.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.
Fixes #6524
Should help with speed of output when printing large flash strings to
things like a file or a TCP connection.
Use a 128 byte chunk in a temp buffer to send data using write(),
reducing the # of write calls by ~127x.