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4 Commits

Author SHA1 Message Date
Joe Tsai
705acadcc7 proto: reset message by default in Unmarshal 
We change Unmarshal to reset a message by default.
* We add a Merge option to UnmarshalOptions for explicit merging.
* We speed up Reset by checking for the Reset method.
* Remove TODOs in prototext and protojson about reset behavior.

Fixes golang/protobuf#890

Change-Id: Ibd8963c741053f564acf061fbdb846699942109c
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/195457
Reviewed-by: Damien Neil <dneil@google.com>
 2019-09-17 21:13:42 +00:00
Joe Tsai
0f81b38d61 runtime/protoiface: move and rename XXX_Methods 
This CL moves and renames the protoreflect.ProtoMessage.XXX_Methods
to protoreflect.Message.ProtoMethods.

Since one needs to obtain a protoreflect.Message now to get at
the fast-path methods, we modify the method signatures to take
in a protoreflect.Message instead of protoreflect.ProtoMessage.
Doing so also avoids the wrapper hack that was formerly done on
impl.messageReflectWrapper.

After this change the new protoc-gen-go no longer generates
any XXX fields or methods. All internal fields and methods are truly
hidden from the end-user.

name                                     old time/op    new time/op    delta
Wire/Unmarshal/google_message1_proto2-4    1.50µs ±10%    1.50µs ± 2%    ~     (p=0.483 n=10+9)
Wire/Unmarshal/google_message1_proto3-4    1.06µs ± 6%    1.06µs ± 4%    ~     (p=0.814 n=9+9)
Wire/Unmarshal/google_message2-4            734µs ±22%     689µs ±13%    ~     (p=0.133 n=10+9)
Wire/Marshal/google_message1_proto2-4       790ns ±46%     652ns ± 8%    ~     (p=0.590 n=10+9)
Wire/Marshal/google_message1_proto3-4       872ns ± 4%     857ns ± 3%    ~     (p=0.168 n=9+9)
Wire/Marshal/google_message2-4              232µs ±16%     221µs ± 3%  -4.75%  (p=0.014 n=9+9)
Wire/Size/google_message1_proto2-4          164ns ± 2%     167ns ± 4%  +1.87%  (p=0.046 n=9+10)
Wire/Size/google_message1_proto3-4          240ns ± 9%     229ns ± 1%  -4.81%  (p=0.000 n=9+8)
Wire/Size/google_message2-4                58.9µs ± 9%    59.6µs ± 2%  +1.23%  (p=0.040 n=9+9)

name                                     old alloc/op   new alloc/op   delta
Wire/Unmarshal/google_message1_proto2-4      912B ± 0%      912B ± 0%    ~     (all equal)
Wire/Unmarshal/google_message1_proto3-4      688B ± 0%      688B ± 0%    ~     (all equal)
Wire/Unmarshal/google_message2-4            470kB ± 0%     470kB ± 0%    ~     (p=0.215 n=10+10)
Wire/Marshal/google_message1_proto2-4        240B ± 0%      240B ± 0%    ~     (all equal)
Wire/Marshal/google_message1_proto3-4        224B ± 0%      224B ± 0%    ~     (all equal)
Wire/Marshal/google_message2-4             90.1kB ± 0%    90.1kB ± 0%    ~     (all equal)
Wire/Size/google_message1_proto2-4          0.00B          0.00B         ~     (all equal)
Wire/Size/google_message1_proto3-4          0.00B          0.00B         ~     (all equal)
Wire/Size/google_message2-4                 0.00B          0.00B         ~     (all equal)

name                                     old allocs/op  new allocs/op  delta
Wire/Unmarshal/google_message1_proto2-4      24.0 ± 0%      24.0 ± 0%    ~     (all equal)
Wire/Unmarshal/google_message1_proto3-4      6.00 ± 0%      6.00 ± 0%    ~     (all equal)
Wire/Unmarshal/google_message2-4            8.49k ± 0%     8.49k ± 0%    ~     (all equal)
Wire/Marshal/google_message1_proto2-4        1.00 ± 0%      1.00 ± 0%    ~     (all equal)
Wire/Marshal/google_message1_proto3-4        1.00 ± 0%      1.00 ± 0%    ~     (all equal)
Wire/Marshal/google_message2-4               1.00 ± 0%      1.00 ± 0%    ~     (all equal)
Wire/Size/google_message1_proto2-4           0.00           0.00         ~     (all equal)
Wire/Size/google_message1_proto3-4           0.00           0.00         ~     (all equal)
Wire/Size/google_message2-4                  0.00           0.00         ~     (all equal)

Change-Id: Ibf3263ad0f293326695c22020a92a6b938ef4f65
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/185697
Reviewed-by: Damien Neil <dneil@google.com>
 2019-07-12 19:31:58 +00:00
Damien Neil
e89e6244e0 all: change module to google.golang.org/protobuf 
Temporarily remove go.mod, since we can't generate an accurate one until
the corresponding v1 change is submitted.

Change-Id: I1e1ad97f2b455e33f61ffaeb8676289795e47e72
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/177000
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
 2019-05-14 17:28:29 +00:00
Damien Neil
cc2b078f98 proto: enable/disable fast path with build tags 
Remove the Reflection field from MarshalOptions and UnmarshalOptions.
Disable the fast path and use the reflection-based implementation when
the 'protoreflect' build tag is set.

Change-Id: Ic674e3af67501de27fb03ec2712fbed40eae7fef
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/170896
Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
 2019-04-07 17:00:00 +00:00