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// Protocol Buffers - Google's data interchange format
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// Copyright 2023 Google LLC. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file or at
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// https://developers.google.com/open-source/licenses/bsd
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// IWYU pragma: private, include "upb/reflection/def.h"
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#ifndef UPB_REFLECTION_FIELD_DEF_H_
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#define UPB_REFLECTION_FIELD_DEF_H_
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#include <stdint.h>
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#include "upb/base/descriptor_constants.h"
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#include "upb/base/string_view.h"
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#include "upb/message/value.h"
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#include "upb/mini_table/extension.h"
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#include "upb/mini_table/field.h"
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#include "upb/reflection/common.h"
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// Must be last.
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#include "upb/port/def.inc"
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// Maximum field number allowed for FieldDefs.
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// This is an inherent limit of the protobuf wire format.
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#define kUpb_MaxFieldNumber ((1 << 29) - 1)
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#ifdef __cplusplus
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extern "C" {
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#endif
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const upb_OneofDef* upb_FieldDef_ContainingOneof(const upb_FieldDef* f);
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UPB_API const upb_MessageDef* upb_FieldDef_ContainingType(
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const upb_FieldDef* f);
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UPB_API upb_CType upb_FieldDef_CType(const upb_FieldDef* f);
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UPB_API upb_MessageValue upb_FieldDef_Default(const upb_FieldDef* f);
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UPB_API const upb_EnumDef* upb_FieldDef_EnumSubDef(const upb_FieldDef* f);
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const upb_MessageDef* upb_FieldDef_ExtensionScope(const upb_FieldDef* f);
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UPB_API const upb_FileDef* upb_FieldDef_File(const upb_FieldDef* f);
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const char* upb_FieldDef_FullName(const upb_FieldDef* f);
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bool upb_FieldDef_HasDefault(const upb_FieldDef* f);
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bool upb_FieldDef_HasJsonName(const upb_FieldDef* f);
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bool upb_FieldDef_HasOptions(const upb_FieldDef* f);
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UPB_API bool upb_FieldDef_HasPresence(const upb_FieldDef* f);
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bool upb_FieldDef_HasSubDef(const upb_FieldDef* f);
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uint32_t upb_FieldDef_Index(const upb_FieldDef* f);
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bool upb_FieldDef_IsExtension(const upb_FieldDef* f);
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UPB_API bool upb_FieldDef_IsMap(const upb_FieldDef* f);
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bool upb_FieldDef_IsOptional(const upb_FieldDef* f);
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UPB_API bool upb_FieldDef_IsPacked(const upb_FieldDef* f);
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bool upb_FieldDef_IsPrimitive(const upb_FieldDef* f);
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UPB_API bool upb_FieldDef_IsRepeated(const upb_FieldDef* f);
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bool upb_FieldDef_IsRequired(const upb_FieldDef* f);
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bool upb_FieldDef_IsString(const upb_FieldDef* f);
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UPB_API bool upb_FieldDef_IsSubMessage(const upb_FieldDef* f);
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UPB_API const char* upb_FieldDef_JsonName(const upb_FieldDef* f);
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UPB_API upb_Label upb_FieldDef_Label(const upb_FieldDef* f);
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uint32_t upb_FieldDef_LayoutIndex(const upb_FieldDef* f);
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UPB_API const upb_MessageDef* upb_FieldDef_MessageSubDef(const upb_FieldDef* f);
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bool _upb_FieldDef_ValidateUtf8(const upb_FieldDef* f);
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// Creates a mini descriptor string for a field, returns true on success.
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bool upb_FieldDef_MiniDescriptorEncode(const upb_FieldDef* f, upb_Arena* a,
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upb_StringView* out);
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const upb_MiniTableField* upb_FieldDef_MiniTable(const upb_FieldDef* f);
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const upb_MiniTableExtension* upb_FieldDef_MiniTableExtension(
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const upb_FieldDef* f);
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UPB_API const char* upb_FieldDef_Name(const upb_FieldDef* f);
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UPB_API uint32_t upb_FieldDef_Number(const upb_FieldDef* f);
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const UPB_DESC(FieldOptions) * upb_FieldDef_Options(const upb_FieldDef* f);
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Implement feature inheritance and legacy editions for upb.
This switches upb to using legacy editions for all proto2/proto3 logic. This does not yet enable code generation for editions protos (ie. we do not yet turn on `FEATURE_SUPPORTS_EDITIONS`), but with feature inheritance in place, this will be a much smaller follow-on change.
There is a ~10% increase in allocations, but only a ~1% increase in peak memory. There are some <5% increases in instructions and cycles, but apparently no increase in time:
```
name old cpu/op new cpu/op delta
BM_ArenaOneAlloc 17.8ns ±11% 16.9ns ±17% ~ (p=0.310 n=5+5)
BM_ArenaInitialBlockOneAlloc 5.99ns ±13% 5.35ns ± 2% ~ (p=0.421 n=5+5)
BM_ArenaFuseUnbalanced/2 71.4ns ±11% 63.1ns ± 3% ~ (p=0.095 n=5+5)
BM_ArenaFuseUnbalanced/8 509ns ± 2% 532ns ±15% ~ (p=0.421 n=5+5)
BM_ArenaFuseUnbalanced/64 4.73µs ±20% 4.43µs ±10% ~ (p=0.841 n=5+5)
BM_ArenaFuseUnbalanced/128 9.77µs ±12% 8.64µs ± 4% ~ (p=0.095 n=5+5)
BM_ArenaFuseBalanced/2 67.5ns ±13% 62.6ns ± 3% ~ (p=0.841 n=5+5)
BM_ArenaFuseBalanced/8 552ns ±23% 496ns ±25% ~ (p=0.222 n=5+5)
BM_ArenaFuseBalanced/64 4.76µs ±14% 4.24µs ± 4% ~ (p=0.421 n=5+5)
BM_ArenaFuseBalanced/128 10.2µs ±14% 8.6µs ± 4% -15.61% (p=0.016 n=5+5)
BM_LoadAdsDescriptor_Upb<NoLayout> 6.20ms ±12% 6.18ms ±16% ~ (p=0.421 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 6.91ms ±12% 6.63ms ± 3% ~ (p=0.690 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 15.0ms ±12% 13.7ms ± 3% ~ (p=0.421 n=5+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 15.1ms ±13% 13.8ms ± 3% ~ (p=0.548 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Copy> 14.4µs ±13% 13.2µs ± 3% ~ (p=0.548 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Alias> 12.8µs ±12% 11.8µs ± 3% ~ (p=0.222 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Copy> 13.7µs ±12% 12.9µs ± 3% ~ (p=1.000 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Alias> 13.1µs ±11% 11.6µs ± 3% ~ (p=0.056 n=5+5)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 24.7µs ±12% 22.6µs ± 8% ~ (p=0.310 n=5+5)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 11.6µs ±13% 10.9µs ± 2% ~ (p=1.000 n=5+5)
BM_Parse_Proto2<FileDesc, InitBlock, Copy> 11.7µs ±10% 10.6µs ± 3% ~ (p=0.310 n=5+5)
BM_Parse_Proto2<FileDescSV, InitBlock, Alias> 13.4µs ±12% 12.3µs ± 4% ~ (p=0.310 n=5+5)
BM_SerializeDescriptor_Proto2 6.62µs ±13% 6.00µs ± 6% ~ (p=0.056 n=5+5)
BM_SerializeDescriptor_Upb 11.1µs ±13% 10.3µs ± 3% ~ (p=1.000 n=5+5)
name old time/op new time/op delta
BM_ArenaOneAlloc 17.9ns ±12% 17.0ns ±17% ~ (p=0.310 n=5+5)
BM_ArenaInitialBlockOneAlloc 6.03ns ±14% 5.36ns ± 2% ~ (p=0.421 n=5+5)
BM_ArenaFuseUnbalanced/2 71.9ns ±12% 63.3ns ± 3% ~ (p=0.095 n=5+5)
BM_ArenaFuseUnbalanced/8 511ns ± 2% 533ns ±15% ~ (p=0.421 n=5+5)
BM_ArenaFuseUnbalanced/64 4.75µs ±20% 4.44µs ±10% ~ (p=0.841 n=5+5)
BM_ArenaFuseUnbalanced/128 9.83µs ±12% 8.66µs ± 4% ~ (p=0.151 n=5+5)
BM_ArenaFuseBalanced/2 67.8ns ±13% 62.7ns ± 3% ~ (p=0.841 n=5+5)
BM_ArenaFuseBalanced/8 555ns ±24% 497ns ±26% ~ (p=0.222 n=5+5)
BM_ArenaFuseBalanced/64 4.79µs ±14% 4.25µs ± 4% ~ (p=0.310 n=5+5)
BM_ArenaFuseBalanced/128 10.3µs ±14% 8.6µs ± 4% -15.93% (p=0.016 n=5+5)
BM_LoadAdsDescriptor_Upb<NoLayout> 6.25ms ±12% 6.20ms ±16% ~ (p=0.421 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 6.96ms ±13% 6.65ms ± 3% ~ (p=0.690 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 15.2ms ±12% 13.7ms ± 3% ~ (p=0.421 n=5+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 15.3ms ±14% 13.8ms ± 3% ~ (p=0.548 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Copy> 14.5µs ±14% 13.2µs ± 3% ~ (p=0.690 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Alias> 12.8µs ±12% 11.8µs ± 3% ~ (p=0.222 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Copy> 13.8µs ±13% 13.0µs ± 3% ~ (p=1.000 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Alias> 13.2µs ±12% 11.6µs ± 3% ~ (p=0.056 n=5+5)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 24.9µs ±12% 22.6µs ± 8% ~ (p=0.310 n=5+5)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 11.7µs ±14% 10.9µs ± 2% ~ (p=1.000 n=5+5)
BM_Parse_Proto2<FileDesc, InitBlock, Copy> 11.7µs ±11% 10.7µs ± 3% ~ (p=0.222 n=5+5)
BM_Parse_Proto2<FileDescSV, InitBlock, Alias> 13.5µs ±12% 12.3µs ± 4% ~ (p=0.310 n=5+5)
BM_SerializeDescriptor_Proto2 6.65µs ±13% 6.01µs ± 6% ~ (p=0.056 n=5+5)
BM_SerializeDescriptor_Upb 11.2µs ±13% 10.3µs ± 3% ~ (p=1.000 n=5+5)
name old INSTRUCTIONS/op new INSTRUCTIONS/op delta
BM_ArenaOneAlloc 189 ± 0% 189 ± 0% ~ (p=0.881 n=5+5)
BM_ArenaInitialBlockOneAlloc 69.0 ± 0% 69.0 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/2 458 ± 0% 458 ± 0% ~ (p=1.000 n=5+5)
BM_ArenaFuseUnbalanced/8 3.28k ±15% 3.60k ± 0% ~ (p=0.286 n=5+4)
BM_ArenaFuseUnbalanced/64 28.6k ± 2% 29.2k ± 0% +2.17% (p=0.032 n=5+4)
BM_ArenaFuseUnbalanced/128 57.9k ± 1% 57.9k ± 1% ~ (p=1.000 n=5+5)
BM_ArenaFuseBalanced/2 482 ± 0% 482 ± 0% ~ (p=0.421 n=5+5)
BM_ArenaFuseBalanced/8 3.35k ±14% 3.35k ±14% ~ (p=0.841 n=5+5)
BM_ArenaFuseBalanced/64 29.2k ± 2% 29.3k ± 1% ~ (p=0.421 n=5+5)
BM_ArenaFuseBalanced/128 59.2k ± 1% 59.3k ± 1% ~ (p=0.556 n=4+5)
BM_LoadAdsDescriptor_Upb<NoLayout> 37.3M ± 0% 38.2M ± 0% +2.39% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 40.9M ± 0% 41.7M ± 0% +2.02% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 87.2M ± 0% 88.3M ± 1% +1.25% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 88.0M ± 0% 88.9M ± 1% +1.13% (p=0.016 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Copy> 154k ± 0% 154k ± 0% ~ (p=1.000 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Alias> 143k ± 0% 143k ± 0% ~ (p=0.310 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Copy> 153k ± 0% 153k ± 0% ~ (p=1.016 n=5+4)
BM_Parse_Upb_FileDesc<InitBlock, Alias> 142k ± 0% 142k ± 0% ~ (p=0.127 n=5+5)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 213k ± 1% 217k ± 5% ~ (p=1.000 n=5+5)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 122k ± 0% 123k ± 0% +0.86% (p=0.008 n=5+5)
BM_Parse_Proto2<FileDesc, InitBlock, Copy> 120k ± 0% 120k ± 0% ~ (p=0.421 n=5+5)
BM_Parse_Proto2<FileDescSV, InitBlock, Alias> 124k ± 0% 124k ± 0% ~ (p=0.587 n=5+5)
BM_SerializeDescriptor_Proto2 63.5k ± 0% 63.5k ± 0% ~ (p=0.278 n=5+5)
BM_SerializeDescriptor_Upb 111k ± 0% 111k ± 0% ~ (p=1.000 n=5+5)
name old CYCLES/op new CYCLES/op delta
BM_ArenaOneAlloc 53.5 ± 0% 53.4 ± 0% ~ (p=0.095 n=5+5)
BM_ArenaInitialBlockOneAlloc 17.5 ± 1% 17.4 ± 0% ~ (p=0.087 n=5+5)
BM_ArenaFuseUnbalanced/2 206 ± 0% 206 ± 0% ~ (p=0.548 n=5+5)
BM_ArenaFuseUnbalanced/8 1.55k ±12% 1.67k ± 1% ~ (p=0.548 n=5+5)
BM_ArenaFuseUnbalanced/64 14.1k ± 8% 14.1k ± 1% ~ (p=0.222 n=5+5)
BM_ArenaFuseUnbalanced/128 28.2k ± 1% 28.3k ± 1% ~ (p=0.548 n=5+5)
BM_ArenaFuseBalanced/2 205 ± 0% 204 ± 0% ~ (p=0.548 n=5+5)
BM_ArenaFuseBalanced/8 1.57k ±12% 1.56k ±12% ~ (p=0.421 n=5+5)
BM_ArenaFuseBalanced/64 13.9k ± 2% 13.9k ± 1% ~ (p=1.000 n=5+5)
BM_ArenaFuseBalanced/128 28.1k ± 1% 28.2k ± 1% ~ (p=0.730 n=4+5)
BM_LoadAdsDescriptor_Upb<NoLayout> 18.7M ± 0% 19.3M ± 1% +3.38% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 20.9M ± 0% 21.6M ± 0% +3.09% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 43.4M ± 0% 44.4M ± 1% +2.33% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 44.0M ± 0% 44.9M ± 2% +1.92% (p=0.016 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Copy> 42.0k ± 1% 43.0k ± 1% +2.32% (p=0.008 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Alias> 38.2k ± 1% 38.4k ± 0% +0.74% (p=0.032 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Copy> 41.6k ± 0% 42.6k ± 1% +2.51% (p=0.008 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Alias> 37.6k ± 0% 38.1k ± 0% +1.34% (p=0.008 n=5+5)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 71.9k ± 1% 74.1k ± 6% ~ (p=1.000 n=5+5)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 35.4k ± 1% 35.8k ± 0% +1.10% (p=0.008 n=5+5)
BM_Parse_Proto2<FileDesc, InitBlock, Copy> 34.6k ± 1% 34.9k ± 1% ~ (p=0.095 n=5+5)
BM_Parse_Proto2<FileDescSV, InitBlock, Alias> 40.5k ± 0% 40.0k ± 1% -1.36% (p=0.008 n=5+5)
BM_SerializeDescriptor_Proto2 20.1k ± 1% 19.7k ± 4% ~ (p=0.421 n=5+5)
BM_SerializeDescriptor_Upb 33.7k ± 0% 33.7k ± 0% ~ (p=0.222 n=5+5)
name old allocs/op new allocs/op delta
BM_ArenaOneAlloc 1.00 ± 0% 1.00 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/2 2.00 ± 0% 2.00 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/8 8.00 ± 0% 8.00 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/64 64.0 ± 0% 64.0 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/128 128 ± 0% 128 ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/2 2.00 ± 0% 2.00 ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/8 8.00 ± 0% 8.00 ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/64 64.0 ± 0% 64.0 ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/128 128 ± 0% 128 ± 0% ~ (all samples are equal)
BM_LoadAdsDescriptor_Upb<NoLayout> 6.21k ± 0% 6.93k ± 0% +11.54% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 6.54k ± 0% 6.96k ± 0% +6.34% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 124k ± 0% 124k ± 0% +0.00% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 126k ± 0% 126k ± 0% +0.00% (p=0.008 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Copy> 7.00 ± 0% 7.00 ± 0% ~ (all samples are equal)
BM_Parse_Upb_FileDesc<UseArena, Alias> 7.00 ± 0% 7.00 ± 0% ~ (all samples are equal)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 709 ± 0% 709 ± 0% ~ (all samples are equal)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 8.00 ± 0% 8.00 ± 0% ~ (all samples are equal)
name old peak-mem(Bytes)/op new peak-mem(Bytes)/op delta
BM_ArenaOneAlloc 328 ± 0% 328 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/2 656 ± 0% 656 ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/8 2.62k ± 0% 2.62k ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/64 21.0k ± 0% 21.0k ± 0% ~ (all samples are equal)
BM_ArenaFuseUnbalanced/128 42.0k ± 0% 42.0k ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/2 656 ± 0% 656 ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/8 2.62k ± 0% 2.62k ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/64 21.0k ± 0% 21.0k ± 0% ~ (all samples are equal)
BM_ArenaFuseBalanced/128 42.0k ± 0% 42.0k ± 0% ~ (all samples are equal)
BM_LoadAdsDescriptor_Upb<NoLayout> 10.2M ± 0% 10.4M ± 0% +1.15% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 10.5M ± 0% 10.5M ± 0% +0.11% (p=0.008 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 7.14M ± 0% 7.14M ± 0% ~ (p=0.317 n=4+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 7.18M ± 0% 7.18M ± 0% ~ (p=0.159 n=5+4)
BM_Parse_Upb_FileDesc<UseArena, Copy> 36.5k ± 0% 36.5k ± 0% ~ (all samples are equal)
BM_Parse_Upb_FileDesc<UseArena, Alias> 36.5k ± 0% 36.5k ± 0% ~ (all samples are equal)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 35.4k ± 0% 35.4k ± 0% ~ (all samples are equal)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 65.3k ± 0% 65.3k ± 0% ~ (all samples are equal)
name old items/s new items/s delta
BM_ArenaFuseUnbalanced/2 28.2M ±12% 31.7M ± 3% ~ (p=0.095 n=5+5)
BM_ArenaFuseUnbalanced/8 15.7M ± 2% 15.1M ±14% ~ (p=0.421 n=5+5)
BM_ArenaFuseUnbalanced/64 13.7M ±18% 14.5M ± 9% ~ (p=0.841 n=5+5)
BM_ArenaFuseUnbalanced/128 13.2M ±12% 14.8M ± 5% ~ (p=0.095 n=5+5)
BM_ArenaFuseBalanced/2 29.9M ±12% 32.0M ± 3% ~ (p=0.841 n=5+5)
BM_ArenaFuseBalanced/8 14.8M ±28% 16.5M ±22% ~ (p=0.222 n=5+5)
BM_ArenaFuseBalanced/64 13.6M ±15% 15.1M ± 4% ~ (p=0.421 n=5+5)
BM_ArenaFuseBalanced/128 12.6M ±15% 14.9M ± 4% +17.88% (p=0.016 n=5+5)
name old speed new speed delta
BM_LoadAdsDescriptor_Upb<NoLayout> 128MB/s ±11% 128MB/s ±14% ~ (p=0.421 n=5+5)
BM_LoadAdsDescriptor_Upb<WithLayout> 115MB/s ±12% 119MB/s ± 3% ~ (p=0.690 n=5+5)
BM_LoadAdsDescriptor_Proto2<NoLayout> 52.9MB/s ±12% 57.6MB/s ± 3% ~ (p=0.421 n=5+5)
BM_LoadAdsDescriptor_Proto2<WithLayout> 52.6MB/s ±14% 57.2MB/s ± 2% ~ (p=0.548 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Copy> 527MB/s ±14% 571MB/s ± 3% ~ (p=0.548 n=5+5)
BM_Parse_Upb_FileDesc<UseArena, Alias> 595MB/s ±11% 640MB/s ± 3% ~ (p=0.222 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Copy> 553MB/s ±12% 582MB/s ± 3% ~ (p=1.000 n=5+5)
BM_Parse_Upb_FileDesc<InitBlock, Alias> 576MB/s ±12% 649MB/s ± 3% ~ (p=0.056 n=5+5)
BM_Parse_Proto2<FileDesc, NoArena, Copy> 307MB/s ±13% 334MB/s ± 8% ~ (p=0.310 n=5+5)
BM_Parse_Proto2<FileDesc, UseArena, Copy> 653MB/s ±13% 689MB/s ± 2% ~ (p=1.000 n=5+5)
BM_Parse_Proto2<FileDesc, InitBlock, Copy> 650MB/s ±10% 708MB/s ± 3% ~ (p=0.310 n=5+5)
BM_Parse_Proto2<FileDescSV, InitBlock, Alias> 564MB/s ±12% 614MB/s ± 4% ~ (p=0.310 n=5+5)
BM_SerializeDescriptor_Proto2 1.15GB/s ±12% 1.25GB/s ± 5% ~ (p=0.056 n=5+5)
BM_SerializeDescriptor_Upb 684MB/s ±12% 730MB/s ± 3% ~ (p=1.000 n=5+5)
```
This adds about 5Ki of code size. Some of this likely comes from the fact that we now link in `message/copy.c` to perform a deep copy of a FeatureSet proto.
```
$ /google/bin/releases/protobuf-team/bloaty/bloaty-google3-diff --blaze-build-opts="-c opt" third_party/upb/upb/conformance/conformance_upb
FILE SIZE VM SIZE
-------------- --------------
+0.5% +4.19Ki +0.5% +4.19Ki .text
+0.4% +656 +0.4% +656 .rodata
+0.1% +504 [ = ] 0 .strtab
+0.2% +384 [ = ] 0 .symtab
+0.2% +280 +0.2% +280 .eh_frame
+0.2% +216 +0.2% +216 .rela.dyn
+0.3% +96 +0.3% +96 .data.rel.ro
+0.2% +64 +0.2% +64 .eh_frame_hdr
+1.1% +16 [ = ] 0 .got.plt
+0.2% +8 +0.2% +8 .rela.plt
-4.6% -8 -4.6% -8 [LOAD #2 [RX]]
-50.0% -48 [ = ] 0 [Unmapped]
[ = ] 0 -81.7% -1.47Ki .relro_padding
+0.1% +6.30Ki +0.0% +4.00Ki TOTAL
```
PiperOrigin-RevId: 579321454
1 year ago
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const UPB_DESC(FeatureSet) *
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upb_FieldDef_ResolvedFeatures(const upb_FieldDef* f);
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UPB_API const upb_OneofDef* upb_FieldDef_RealContainingOneof(
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const upb_FieldDef* f);
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UPB_API upb_FieldType upb_FieldDef_Type(const upb_FieldDef* f);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#include "upb/port/undef.inc"
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#endif /* UPB_REFLECTION_FIELD_DEF_H_ */
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