simdjson

simdjson copied to clipboard

Add get_uint32()/get_int32()

2

Couldn't find any discussion on this. User can of course check if value is in the range, but this is such a common case that it would be a useful...

karlisolte

Add support for parsing arbitrary-length numbers in the DOM API

22

Motivation: the DOM API is necessary for efficiency when the all lookups into the JSON structure aren't known ahead of time. One example of this is in my project ZippyJSON,...

michaeleisel

Fix various warnings

3

A rather small change to fix a few small warnings that could potentially trigger bugs/UB. I've added explicit casts for bool -> int and fixed 3 small issues. I've also...

spnda

Optimize to_bitmask() for ARM

2

The current to_bitmask() implementation in ARM is expensive. In simdutf, we reengineered the code to use a faster function... https://github.com/simdutf/simdutf/blob/c0cb6dddb12256a261bb249255660b79c1fe67a2/src/simdutf/arm64/simd.h#L210-L212 Reference: https://community.arm.com/arm-community-blogs/b/infrastructure-solutions-blog/posts/porting-x86-vector-bitmask-optimizations-to-arm-neon We should investigate this optimization in simdjson. Credit...

lemire

Add full support for JSONPath

24

We support JSON Pointer, but we should support JSON Path. It is more work, but also more useful. Currently, a limited subset of JSONPath is supported, see https://github.com/simdjson/simdjson/pull/2127

lemire

Add functionality to detect big integers

11

This extention adds the ability to identify the cause of number parsing failure due to a number not fitting in the 64-bit space.

saleyn

This is an accounting of what causes our various branch misses in stage 2. I took twitter.json and transformed it via a series of steps into a single file with...

jkeiser

Don't send commas to stage 2, avoid clmul in most cases

5

The algorithm detects all missing/extra separator errors in stage 1, and then doesn't send commas.

jkeiser

RFC 7464 support?

3

RFC 7464 defines a "JSON text sequence" MIME type that consists of a sequence (naturally) of JSON texts where each text starts with an ASCII RS (record separator, 0x1E) and...

nicowilliams

For better documentation of our interface, we should adopt concepts when C++20 is available. https://lemire.me/blog/2023/04/18/defining-interfaces-in-c-with-concepts-c20/

lemire