simdjson

simdjson/simdjson

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

12 good first / help-wanted issues · C++ · last activity Aug 7, 2026

aarch64 arm64 avx2 avx512 c-plus-plus clang clang-cl cpp11 gcc-compiler json json-parser json-pointer loongarch loongarch64 neon risc-v simd sse42 vs2019 x64
12 Open Issues Need Help Last updated: Aug 7, 2026

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help wanted good first issue performance research platform coverage
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue on demand
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
enhancement help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue benchmarking performance
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64
help wanted good first issue
simdjson/simdjson
24.1K

Parsing gigabytes of JSON per second : used by Facebook/Meta Velox, the Node.js runtime, ClickHouse, WatermelonDB, Apache Doris, Milvus, StarRocks

C++
#aarch64#arm64#avx2#avx512#c-plus-plus#clang#clang-cl#cpp11#gcc-compiler#json#json-parser#json-pointer#loongarch#loongarch64#neon#risc-v#simd#sse42#vs2019#x64