Damien Neil 79571e90e2 internal/impl: improve extension fast path performance ...

Stash fast-path information for extensions on the ExtensionInfo. In
the usual case where an ExtensionType's underlying implementation is
an *ExtensionInfo, fetching the fast-path information becomes a type
assertion rather than a mutex-guarded map access.

Maintain a global sync.Map for the case where an ExtensionType isn't an
*ExtensionInfo.

Substantially improves performance for fast-path operations on
extensions:

Encode/MessageSet_type_id_before_message_content-12      267ns ± 1%   185ns ± 1%  -30.44%  (p=0.001 n=7+7)
Encode/basic_scalar_types_(*test.TestAllExtensions)-12  1.94µs ± 1%  0.40µs ± 1%  -79.32%  (p=0.000 n=8+7)

Change-Id: If048b521deb3665a090ea3d0a178c61691d4201e
Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/210540
Reviewed-by: Joe Tsai <joetsai@google.com>

2019-12-09 18:59:42 +00:00

..

api_export.go

internal/impl: print <nil> for typed nil messages

2019-10-09 22:33:26 +00:00

codec_extension.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

codec_field.go

internal/impl: weak field bugfixes

2019-10-04 17:07:45 +00:00

codec_gen.go

proto: consistently use non-nil, zero-length []bytes for empty bytes strings

2019-12-09 17:33:50 +00:00

codec_map_go111.go

internal/impl: rename encode->codec in various places

2019-07-08 20:12:42 +00:00

codec_map_go112.go

internal/impl: rename encode->codec in various places

2019-07-08 20:12:42 +00:00

codec_map.go

internal/impl: clean up Value codecs

2019-09-05 16:31:05 +00:00

codec_message.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

codec_messageset.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

codec_reflect.go

internal/impl: store extension values as Values

2019-09-03 20:58:28 +00:00

codec_tables.go

all: make error messages unstable

2019-09-07 00:39:30 +00:00

codec_unsafe.go

internal/impl: rename encode->codec in various places

2019-07-08 20:12:42 +00:00

convert_list.go

all: fix reflection behavior for empty lists and maps

2019-11-26 22:58:51 +00:00

convert_map.go

all: fix reflection behavior for empty lists and maps

2019-11-26 22:58:51 +00:00

convert.go

all: use typed variant of protoreflect.ValueOf

2019-09-17 21:33:16 +00:00

decode.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

encode.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

enum_test.go

all: remove {Enum,Message,Extension}Type.GoType methods

2019-10-07 21:08:26 +00:00

enum.go

all: remove {Enum,Message,Extension}Type.GoType methods

2019-10-07 21:08:26 +00:00

extension_test.go

internal/impl: use current proto package, not old one

2019-10-04 17:42:11 +00:00

extension.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

isinit.go

internal/impl: improve extension fast path performance

2019-12-09 18:59:42 +00:00

legacy_aberrant_test.go

internal/impl: handle legacy ExtensionDesc form

2019-09-19 23:27:15 +00:00

legacy_enum.go

all: remove {Enum,Message,Extension}Type.GoType methods

2019-10-07 21:08:26 +00:00

legacy_export_test.go

all: move v1 types over to the v2 repository

2019-03-22 20:01:07 +00:00

legacy_export.go

internal/impl: weak field bugfixes

2019-10-04 17:07:45 +00:00

legacy_extension.go

internal/impl: handle legacy ExtensionDesc form

2019-09-19 23:27:15 +00:00

legacy_file_test.go

reflect/protoreflect: remove FieldDescriptor.{Oneof,Extendee} methods

2019-06-17 19:43:30 +00:00

legacy_file.go

internal/impl: make resolverOnly explicitly implement file resolver

2019-11-06 18:17:25 +00:00

legacy_message.go

reflect/protoreflect: add {Message,List,Map}.IsValid

2019-11-26 22:56:18 +00:00

legacy_test.go

reflect/protoregistry: add (*Types).Register{Message,Enum,Extension}

2019-10-31 16:23:42 +00:00

message_reflect_field.go

all: fix reflection behavior for empty lists and maps

2019-11-26 22:58:51 +00:00

message_reflect_gen.go

reflect/protoreflect: add {Message,List,Map}.IsValid

2019-11-26 22:56:18 +00:00

message_reflect_test.go

reflect/protoregistry: add (*Types).Register{Message,Enum,Extension}

2019-10-31 16:23:42 +00:00

message_reflect.go

reflect/protoreflect: remove nullability from repeated extension fields

2019-11-05 18:31:30 +00:00

message.go

internal/impl: refactor makeStructInfo

2019-11-13 17:53:39 +00:00

pointer_reflect.go

internal/impl: weak field bugfixes

2019-10-04 17:07:45 +00:00

pointer_unsafe.go

internal/impl: weak field bugfixes

2019-10-04 17:07:45 +00:00

weak.go

internal/impl: weak field bugfixes

2019-10-04 17:07:45 +00:00