[release-v2.1] main: Use backported wire updates. #3582
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For at least the past 5 years, due to garbage collector design, Go has not optimized small non-pointer types to fit inside interface headers, and instead always uses a pointer to data, if the type is not already a pointer. This means that writeElement, which was written before this time to avoid unnecessary heap allocations, was now causing heap allocations for each special cased non-pointer type. This commit rewrites writeElement to only special case pointers to types, and to pass all elements by pointer. Co-authored-by: David Hill <dhill@mindcry.org>
This updates the 2.1 release branch to use the latest version of the wire module which includes reduced allocations writing messages to the p2p network. In particular, the following updated module version is used: - github.com/decred/dcrd/wire@v1.7.2
davecgh
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jrick
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Dec 8, 2025
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This updates the 2.1 release branch to use the latest version of the
wiremodule which includes reduced allocations writing messages to the p2p network.In particular, the following updated module version is used:
Note that it also cherry picks all of the commits included in updates to the
wiremodule to ensure they are also included in the release branch even though it is not strictly necessary sincego.modhas been updated to require the new release and thus will pull in the new code. However, from past experience, not having code backported to modules available in the release branch too leads to headaches for devs building from source in their local workspace with overrides such as those ingo.work.The following PRs are included: