Detailed Description

Benchmarks

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

Platform	OS	Benchmark Framework	C++ Compiler	nfx-serialization Version
Linux	LMDE 7	Google Benchmark v1.9.4	GCC 14.2.0-x64	v0.2.0
Linux	LMDE 7	Google Benchmark v1.9.4	Clang 19.1.7-x64	v0.2.0
Windows	Windows 10	Google Benchmark v1.9.4	MinGW GCC 14.2.0-x64	v0.2.0
Windows	Windows 10	Google Benchmark v1.9.4	Clang-GNU-CLI 19.1.5-x64	v0.2.0
Windows	Windows 10	Google Benchmark v1.9.4	Clang-MSVC-CLI 19.1.5-x64	v0.2.0
Windows	Windows 10	Google Benchmark v1.9.4	MSVC 19.44.35217.0-x64	v0.2.0

JSON Access

Value Retrieval

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Get by Key (Top Level)	27.3 ns	29.2 ns	37.1 ns	30.1 ns	32.7 ns	39.4 ns
Get by Key (Nested)	57.9 ns	58.8 ns	75.2 ns	65.9 ns	77.3 ns	93.5 ns
Get by Pointer (Top)	30.7 ns	31.2 ns	33.8 ns	29.0 ns	34.1 ns	42.2 ns
Get by Pointer (Nested)	67.0 ns	67.0 ns	76.1 ns	68.8 ns	81.5 ns	99.9 ns
Get Deep Nested (3 Lvl)	84.7 ns	87.3 ns	110 ns	101 ns	108 ns	129 ns
Get Deep Nested (4 Lvl)	108 ns	107 ns	142 ns	124 ns	141 ns	165 ns
Has Field (Exists)	24.8 ns	23.6 ns	28.3 ns	24.7 ns	29.9 ns	32.7 ns
Has Field (Not Exists)	24.7 ns	27.3 ns	25.4 ns	21.2 ns	25.1 ns	28.9 ns
Has Field (Nested)	127 ns	123 ns	147 ns	123 ns	151 ns	178 ns

JSON Iteration

Container Traversal

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Object Field Iteration	780 ns	873 ns	1,719 ns	1,636 ns	1,706 ns	2,060 ns
Array Element Iteration	7,816 ns	8,706 ns	18,710 ns	19,728 ns	19,083 ns	21,123 ns
Nested Object Iteration	3,433 ns	3,717 ns	10,580 ns	14,468 ns	8,400 ns	12,277 ns

JSON Modification

Document Mutation

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Set Primitive (String)	105 ns	118 ns	260 ns	253 ns	248 ns	270 ns
Set Primitive (Int)	95.0 ns	105 ns	216 ns	226 ns	220 ns	239 ns
Set Primitive (Bool)	93.9 ns	104 ns	223 ns	229 ns	227 ns	243 ns
Set Primitive (Double)	94.7 ns	105 ns	224 ns	227 ns	230 ns	245 ns
Set Nested (2 Levels)	167 ns	185 ns	384 ns	372 ns	370 ns	414 ns
Set Nested (3 Levels)	228 ns	255 ns	505 ns	505 ns	486 ns	528 ns
Set Nested (4 Levels)	291 ns	329 ns	626 ns	614 ns	610 ns	677 ns
Add Object Field (Seq)	654 ns	701 ns	2,325 ns	1,468 ns	1,593 ns	2,096 ns
Append Array Element	202 ns	259 ns	439 ns	655 ns	615 ns	644 ns
Append to Large Array	1,299 ns	1,643 ns	1,838 ns	3,187 ns	3,201 ns	3,209 ns

Object Serialization

Serializer Performance

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Serialize POD	278 ns	314 ns	550 ns	590 ns	603 ns	663 ns
Deserialize POD	74.9 ns	73.7 ns	78.4 ns	86.5 ns	90.1 ns	109 ns
Serialize Medium Object	427 ns	458 ns	852 ns	997 ns	998 ns	1,161 ns
Deserialize Medium Object	143 ns	133 ns	184 ns	165 ns	169 ns	234 ns
Serialize Nested Object	2,353 ns	2,614 ns	5,667 ns	6,759 ns	6,742 ns	7,397 ns
Deserialize Nested Object	1,689 ns	1,762 ns	2,969 ns	3,005 ns	3,001 ns	3,636 ns
Roundtrip Serialization	4,179 ns	4,512 ns	8,905 ns	9,902 ns	9,812 ns	11,196 ns
Serialize to JSON String	709 ns	742 ns	1,299 ns	1,499 ns	1,521 ns	1,683 ns
Deserialize from JSON	824 ns	804 ns	1,504 ns	1,715 ns	1,775 ns	2,125 ns

JSON Parsing

Parse from String

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Parse Small Object	454 ns	492ns	980 ns	1,096 ns	1,112 ns	1,192 ns
Parse Medium Object	1,820 ns	1,770 ns	4,507 ns	3,918 ns	3,953 ns	4,776 ns
Parse Large Object	5,462 ns	5,290 ns	11,057 ns	11,505 ns	11,410 ns	13,007 ns
Parse Nested Objects	899 ns	885 ns	1,727 ns	1,960 ns	1,933 ns	2,469 ns
Parse Small Array	334 ns	356 ns	786 ns	988 ns	984 ns	1,055 ns
Parse Large Array	3,693 ns	3,757 ns	7,401 ns	6,772 ns	6,762 ns	8,164 ns
Parse Mixed Types	1,390 ns	1,389 ns	2,808 ns	3,092 ns	3,069 ns	3,576 ns

Schema Generation

SchemaGenerator Performance

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Generate from Small Doc	3.924 µs	4.384 µs	10.0 µs	9.77 µs	10.5 µs	10.1 µs
Generate from Large Doc	18.3 µs	21.245 µs	48.1 µs	50.0 µs	52.4 µs	53.1 µs
Generate from 10 Docs	43.9 µs	46.684 µs	98.3 µs	109 µs	110 µs	114.7 µs
Generate from 100 Docs	409 µs	441 µs	962 µs	1.07 ms	1.03 ms	1.1 ms
Format Inference	9.1 µs	9.9 µs	23.0 µs	24.6 µs	24.6 µs	26.2 µs
Constraint Inference	204 µs	222 µs	471 µs	515.6 µs	488 µs	562.5 µs

Schema Validation

SchemaValidator Performance

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Validate Simple Schema	3.47 µs	3.41 µs	7.85 µs	5.02 µs	5.3 µs	5.58 µs
Validate Complex Schema	7.62 µs	7.22 µs	12.0 µs	12.87 µs	13.39 µs	14.23 µs
Validate with $ref	4.17 µs	4.15 µs	6.84 µs	6.56 µs	6.7 µs	6.8 µs
Validate String Formats	5.17 µs	4.92 µs	8.37 µs	7.5 µs	11.0 µs	8.02 µs
Validate with Errors	3.62 µs	3.37 µs	5.72 µs	5.47 µs	5.31 µs	5.58 µs
Validate Deeply Nested	701 ns	634 ns	1.07 µs	1.0 µs	1.07 µs	1.03 µs

JSON Serialization

Serialize to String

Operation	Linux GCC	Linux Clang	Windows MinGW GCC	Windows Clang-GNU-CLI	Windows Clang-MSVC-CLI	Windows MSVC
Serialize Small Object	165 ns	164 ns	289 ns	297 ns	299 ns	289 ns
Serialize Large Object	1,143 ns	1,160 ns	1,585 ns	1,698 ns	1,749 ns	1,716 ns
Serialize Pretty Print	1,279 ns	1,314 ns	1,739 ns	1,939 ns	1,942 ns	2,040 ns

Updated on November 30, 2025