[Tarantool-patches] [PATCH vshard 1/1] router: bucket_id_strcrc32 and bucket_id_mpcrc32

[Vladislav Shpilevoy]

On 27/02/2020 07:53, Konstantin Osipov wrote:
> * Vladislav Shpilevoy <v.shpilevoy at tarantool.org> [20/02/27 09:42]:
>>> * Vladislav Shpilevoy <v.shpilevoy at tarantool.org> [20/02/26 09:31]:
>>>> Closes #207
>>>
>>> While you're at it, is this hardware crc32?
>>
>> Yes, this is hardware, when possible. And it is in C. See crc32.c
>> files (there are two of them).
> 
>  I mean the entire method could be in C, including building a
>  msgpack string from cdata.

But how building MessagePack is related to crc32? We will need to
do that in C anyway. Now I am doing that via msgpackffi, which is
fast enough.

So in both cases we have MessagePack building, 1 Lua C call, and
optimal crc32 calculation in C.