Daniel Lemire comments

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                                            Daniel Lemire

C++ and Java implementations of fastpfor + varbyte unable to decode each others output

@xndai Can you elaborate? Parquet’s C++ and Java code is on GitHub.

C++ and Java implementations of fastpfor + varbyte unable to decode each others output

It is difficult in the abstract to list everything one needs to take into account but you have: Java does not have native unsigned integers, packed data structures having various...

ARM64 build: it would be good at least to be buildable

Under "Hardware Requirements", we have 'We require an x64 platform.' A port to ARM would be great. Pull request invited.

build for the platforms without SIMD and 32-bit platforms out of the box correctly

The library requires x64 processors, as indicated in the 'hardware requirements' section of the README. The Pentium III is not an x64 processor.

Change google test branch from master to main.

Merging.

Is the compressed data portable?

There are many choices... but it is hard to answer in the abstract, not knowing what you are looking for... - [Roaring Bitmaps](https://roaringbitmap.org) have total interoperability between C, Java, Go......

Is the compressed data portable?

Depending on what you are after, either streamvbyte or Roaring Bitmaps might fit the bill. Or not... it depends of your application.

avoid mulitple redefinition when include from different .c/.cpp files.

This PR does not appear to pass our unit tests.

avoid mulitple redefinition when include from different .c/.cpp files.

Can you sync with our main branch? I added a few more CI tests. Note that I cannot merge a pull request that fails our tests.

Lift and/or document alignment requirements

Help is invited in fixing this issue.