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fix: yield single buffers #233
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Messages are serialized to multiple buffers, intsead of yield each buffer one by one, create single buffers that contain the whole serialized message. This greatly improves transport performance as writing one big buffer is a lot faster than writing lots of small buffers to network sockets etc. Before: ``` testing 0.40.x-mplex sender 3276811 messages 17 invocations sender 6553636 bufs 17 b 24197 ms 105 MB in 32 B chunks in 24170ms ``` After: ``` testing 0.40.x-mplex sender 3276811 messages 1638408 invocations 1638411 bufs 68 b 8626 ms 105 MB in 32 B chunks in 8611ms ```
This was referenced Nov 23, 2022
wemeetagain
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Nov 24, 2022
src/encode.ts
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| @@ -17,7 +18,7 @@ class Encoder { | |||
| /** | |||
| * Encodes the given message and returns it and its header | |||
achingbrain
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Instead of using `it-pipe` to tie the inputs and outputs of the muxer and underlying connection together, pipe them in parallel. When sending 105MB in 32b chunks: ## `[email protected]` ``` testing 0.36.x sender 3276810 messages 1638409 invocations <-- how many mplex messages are sent in how many batches sender 1638412 bufs 68 b <-- how many buffers are passed to the tcp socket and their average size 105 MB in 32 B chunks in 9238ms ``` ## `[email protected]` ``` testing 0.40.x-mplex sender 3276811 messages 32 invocations sender 6553636 bufs 17 b 27476 ms 105 MB in 32 B chunks in 27450ms ``` ## With this patch ``` testing 0.40.x-mplex sender 3276811 messages 17 invocations sender 6553636 bufs 17 b 23781 ms 105 MB in 32 B chunks in 23753ms ``` ## With this patch and libp2p/js-libp2p-mplex#233 ``` testing 0.40.x sender 3276811 messages 1638408 invocations 1638411 bufs 68 b 105 MB in 32 B chunks in 8611ms ``` Refs #1342
mpetrunic
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Nov 24, 2022
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## [7.0.5](v7.0.4...v7.0.5) (2022-11-24) ### Bug Fixes * apply message size limit before decoding message ([#231](#231)) ([279ad47](279ad47)) * limit unprocessed message queue size separately to message size ([#234](#234)) ([2297856](2297856)) * yield single buffers ([#233](#233)) ([31d3938](31d3938))
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🎉 This PR is included in version 7.0.5 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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Messages are serialized to multiple buffers, instead of yielding each buffer one by one, create single buffers that contain the whole serialized message. This greatly improves transport performance as writing one big buffer is a lot faster than writing lots of small buffers to network sockets etc.
This is similar to what the old CJS version did, except it yielded
BufferLists which were then.slice()ed elsewhere to turn them into a singleBuffer.Before:
After:
With this patch and libp2p/js-libp2p#1491
Refs libp2p/js-libp2p#1342