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go / protobuf / fc5f8c340a1f4482e5f4ca4899ddd2cdbcdddeb7
commitfc5f8c340a1f4482e5f4ca4899ddd2cdbcdddeb7[log] [tgz]
authorJoe Tsai <joetsai@digital-static.net>Tue Sep 17 22:32:53 2019 -0700
committerJoe Tsai <joetsai@digital-static.net>Thu Sep 19 18:20:38 2019 +0000
tree2abbe8342df281472a67c1bacfea8ac69c73056c
parent9d637ca923bb45691809405615095ed8dc2a2431 [diff]
encoding: optimize for oneofs

Suppose a oneof has N fields, the previous marshaling logic
would traverse every field checking for presence. This is O(N).
Using the protoreflect.Message.WhichOneof method, we can reduce
this to O(1). This optimization is exceptionally useful for oneofs
with a large number of fields.

Change-Id: I5f4aa8b1a899930f5c95e9cf1d68bac4b0b7884d
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/196121
Reviewed-by: Herbie Ong <herbie@google.com>
2 files changed
tree: 2abbe8342df281472a67c1bacfea8ac69c73056c
  1. benchmarks/
  2. cmd/
  3. compiler/
  4. encoding/
  5. internal/
  6. proto/
  7. reflect/
  8. runtime/
  9. testing/
  10. types/
  11. .gitignore
  12. .travis.yml
  13. AUTHORS
  14. CONTRIBUTING.md
  15. CONTRIBUTORS
  16. go.mod
  17. go.sum
  18. integration_test.go
  19. LICENSE
  20. PATENTS
  21. README.md
  22. regenerate.bash
  23. release.bash
  24. test.bash
README.md

Next Generation Go Protocol Buffers

WARNING: This repository is in active development. There are no guarantees about API stability. Breaking changes will occur until a stable release is made and announced.

This repository is for the development of the next major Go implementation of protocol buffers. This library makes breaking API changes relative to the existing Go protobuf library. Of particular note, this API aims to make protobuf reflection a first-class feature of the API and implements the protobuf ecosystem in terms of reflection.

Design Documents

List of relevant design documents:

Contributing

We appreciate community contributions. See CONTRIBUTING.md.

Reporting Issues

Issues regarding the new API can be filed at github.com/golang/protobuf. Please use a APIv2: prefix in the title to make it clear that the issue is regarding the new API work.