bytedance/sonic-cpp

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A fast JSON serializing & deserializing library, accelerated by SIMD.

Stars: 976
Forks: 128
Open beginner issues: 0
Indexed issues: 30

Dominant language: C++
License: Apache-2.0
Last GitHub push: Jul 17, 2026
Latest indexed: Sep 14, 2026
Contributing guide: Contributing guide
Code of conduct: No code of conduct
Beginner labels: good first issue help wanted
PR merge metrics: No merged PRs in 30d

Beginner friendly Everything

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Proposal: Add build-selectable SVE2-256 architecture support Open

Difficulty 5/5 Over a week Newbie friendliness 30/100

bytedance/sonic-cpp#143 · Opened Jul 29, 2026
请问下，下个release版本有规划了吗 Open

Difficulty 5/5 Over a week Newbie friendliness 1/100

bytedance/sonic-cpp#140 · Opened Jun 30, 2026
对 parseImpl 进行优化 Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

bytedance/sonic-cpp#134 · 2 comments · Opened Mar 26, 2026
sonic 能在 mac 上测试吗 Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

bytedance/sonic-cpp#133 · Opened Mar 25, 2026
U64toa 单元测试用例不通过 Open

Difficulty 3/5 1-2 days Newbie friendliness 55/100

bytedance/sonic-cpp#123 · 2 comments · Opened Jan 13, 2026
支持AVX-512的浮点数打印算法 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

bytedance/sonic-cpp#120 · 1 comment · Opened Oct 26, 2025
sonic-cpp的SIMD加速不一定比架构设计、算法优化和微观调优的性能高，可以和LJSON性能对比 Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

bytedance/sonic-cpp#119 · 2 comments · 2 reactions · Opened Oct 16, 2025
Failed to compile unittests on aarch64 platform. fatal error: immintrin.h: No such file or directory Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

bytedance/sonic-cpp#116 · 1 reaction · Opened Aug 7, 2025
关于writerbuffer初始化Reserve和Grow的长度 Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

bytedance/sonic-cpp#115 · 2 comments · Opened Aug 6, 2025
是否支持类似rapidjson库的RawValue操作 Open

Difficulty 4/5 3-5 days Newbie friendliness 32/100

bytedance/sonic-cpp#113 · 1 comment · Opened Jun 26, 2025
使用asan和地址消毒进行稳定测试，parse出现heap-buffer-overflow. Open

Difficulty 3/5 1-2 days Newbie friendliness 45/100

bytedance/sonic-cpp#111 · 2 comments · Opened Jun 23, 2025
gcc4.8.5 编译失败 error: ‘_mm_max_epi8’ was not declared in this scope Open

Difficulty 3/5 1-2 days Newbie friendliness 30/100

bytedance/sonic-cpp#98 · 2 comments · Opened Oct 11, 2024
频繁解析string的时候，看着性能跟rapidjson相比差不多？ Open

Difficulty 4/5 3-5 days Newbie friendliness 20/100

bytedance/sonic-cpp#86 · 1 comment · Opened Feb 28, 2024
Does sonic-cpp already support SAX API or have any plans to support it? Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

bytedance/sonic-cpp#84 · 2 comments · Opened Jan 30, 2024
some optimizations or enhancement？ Open

good first issue

Difficulty 5/5 Over a week Newbie friendliness 25/100

bytedance/sonic-cpp#81 · 1 comment · Opened Jul 31, 2023
Will support sort keys when serialize ? Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

bytedance/sonic-cpp#80 · 1 comment · Opened Jul 6, 2023
error "__builtin_uaddll_overflow’在此作用域中尚未声明" Open

Difficulty 3/5 1-2 days Newbie friendliness 35/100

bytedance/sonic-cpp#74 · 7 comments · Opened Jun 12, 2023
support number inf/nan Open

enhancement

Difficulty 4/5 3-5 days Newbie friendliness 35/100

bytedance/sonic-cpp#73 · Opened Jun 5, 2023
support jsonpointer format as rfc6901 Open

good first issue help wanted

Difficulty 4/5 3-5 days Newbie friendliness 30/100

bytedance/sonic-cpp#71 · 3 comments · Opened May 24, 2023
error "PCLMUL instruction set required. Missing option -mpclmul Open

Difficulty 4/5 3-5 days Newbie friendliness 25/100

bytedance/sonic-cpp#70 · 3 comments · Opened May 15, 2023
feat: implement the pretty serialize API Open

good first issue

Difficulty 4/5 3-5 days Newbie friendliness 45/100

bytedance/sonic-cpp#68 · Opened May 11, 2023
Add more examples for Document API Open

good first issue

Difficulty 2/5 Half a day Newbie friendliness 35/100

bytedance/sonic-cpp#67 · Opened May 11, 2023
doc: translate readme into Chinese Open

documentation good first issue

Difficulty 2/5 1-3 hours Newbie friendliness 25/100

bytedance/sonic-cpp#66 · Opened May 11, 2023
Proposal: more abstracted SAX handler for lots of JSON manipulates Open

good first issue proposal

Difficulty 5/5 Over a week Newbie friendliness 25/100

bytedance/sonic-cpp#63 · Opened Apr 19, 2023
When will the arm platform be supported Open

Difficulty 5/5 Over a week Newbie friendliness 15/100

bytedance/sonic-cpp#62 · 1 comment · Opened Apr 19, 2023
Proposal: Support parsing JSON number as RawNumber type Open

proposal

Difficulty 5/5 Over a week Newbie friendliness 25/100

bytedance/sonic-cpp#61 · Opened Apr 18, 2023
Proposal: friendly list initialization for document or node. Open

good first issue proposal

Difficulty 5/5 Over a week Newbie friendliness 35/100

bytedance/sonic-cpp#58 · 2 comments · Opened Mar 17, 2023
Ask about struct bind Open

Difficulty 5/5 Over a week Newbie friendliness 20/100

bytedance/sonic-cpp#46 · 1 comment · Opened Jan 7, 2023
How do I use it in Android project？ Open

good first issue help wanted

Difficulty 3/5 1-2 days Newbie friendliness 25/100

bytedance/sonic-cpp#40 · 2 comments · Opened Dec 28, 2022
vs2022不能编译过 Open

good first issue help wanted

Difficulty 4/5 3-5 days Newbie friendliness 25/100

bytedance/sonic-cpp#32 · 6 comments · Opened Dec 12, 2022

bytedance/sonic-cpp

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