nfx-serialization 0.9.3
Cross-platform C++ JSON serialization library with extensible trait capabilities
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benchmark Directory Reference

Detailed Description

Benchmarks

Test Environment

Hardware Configuration

Component Specification
Computer Model Lenovo ThinkPad P15v Gen 3
CPU 12th Gen Intel Core i7-12800H (20 logical, 14 physical cores)
Base Clock 2.80 GHz
Turbo Clock 4.80 GHz
L1 Data Cache 48 KiB (×6 P-cores) + 32 KiB (×8 E-cores)
L1 Instruction Cache 32 KiB (×6 P-cores) + 64 KiB (×2 E-core clusters)
L2 Unified Cache 1.25 MiB (×6 P-cores) + 2 MiB (×2 E-core clusters)
L3 Unified Cache 24 MiB (×1 shared)
RAM DDR4-3200 (32GB)
GPU NVIDIA RTX A2000 4GB GDDR6

Software Configuration

Platform OS Benchmark Framework C++ Compiler nfx-serialization Version nfx-json Version
Linux LMDE 7 Google Benchmark v1.9.5 Clang 19.1.7-x64 v0.7.1 v1.2.1
Windows Windows 10 Google Benchmark v1.9.5 MinGW GCC 14.2.0-x64 v0.7.1 v1.2.1
Windows Windows 10 Google Benchmark v1.9.5 MSVC 19.44.35217.0-x64 v0.7.1 v1.2.1

Performance Results

JSON Serialization

Simple Object (3 fields)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 348 ns 536 ns 460 ns
Builder 114 ns 141 ns 131 ns

Int Array (10 elements)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 264 ns 446 ns 691 ns
Builder 98.6 ns 107 ns 146 ns
Serializer 94.7 ns 114 ns 175 ns

Int Array (10,000 elements)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 347,804 ns 478,896 ns 773,882 ns
Builder 80,529 ns 102,205 ns 174,099 ns
Serializer 82,174 ns 102,554 ns 154,258 ns

String-Int Map (100 pairs)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 46,557 ns 79,778 ns 93,373 ns
Builder 2,474 ns 3,184 ns 3,123 ns
Serializer 3,487 ns 4,522 ns 5,216 ns

Point2D (2 doubles)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 280 ns 501 ns 460 ns
Builder 138 ns 289 ns 163 ns
Traits 121 ns 319 ns 160 ns

Person (4 fields)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 456 ns 660 ns 784 ns
Builder 139 ns 176 ns 142 ns
Traits 159 ns 268 ns 235 ns
Legacy 512 ns 729 ns 828 ns

Person Vector (100 elements)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 63,447 ns 107,574 ns 124,500 ns
Builder 11,029 ns 15,266 ns 11,802 ns
Traits 11,426 ns 16,157 ns 13,819 ns
Legacy 48,929 ns 73,755 ns 84,124 ns

Company (nested with 10 staff)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 6,363 ns 10,635 ns 11,125 ns
Builder 1,254 ns 1,697 ns 1,364 ns
Traits 1,351 ns 1,945 ns 1,925 ns
Legacy 7,087 ns 9,942 ns 11,002 ns

Large Document (19 fields)

API Linux Clang Windows MinGW GCC Windows MSVC
Document 2,986 ns 4,326 ns 5,644 ns
PrettyPrint 3,027 ns 4,550 ns 6,052 ns

Extension Types Serialization

Datatypes

Type Linux Clang Windows MinGW GCC Windows MSVC
Int128 (small) 19.3 ns 23.1 ns 34.8 ns
Int128 (medium) 64.7 ns 113 ns 117 ns
Int128 (large) 144 ns 325 ns 364 ns
Decimal (small) 35.0 ns 62.5 ns 67.6 ns
Decimal (large) 127 ns 302 ns 310 ns
Int128[10] 253 ns 307 ns 639 ns

DateTime Types

Type Linux Clang Windows MinGW GCC Windows MSVC
DateTime 68.3 ns 116 ns 149 ns
DateTimeOffset 88.2 ns 132 ns 184 ns
TimeSpan 27.2 ns 30.8 ns 50.7 ns
DateTime[10] 634 ns 832 ns 1141 ns

Updated on February 04, 2026