[tarantool-patches] Re: [PATCH v2 small 1/1] small: introduce static allocator

[Vladislav Shpilevoy]

Pushed into the master.

On 14/05/2019 01:11, Konstantin Osipov wrote:
> * Vladislav Shpilevoy <v.shpilevoy at tarantool.org> [19/05/14 00:58]:
> 
> OK to push.
> 
>> Currently Tarantool has a global thread local array of 4 static
>> buffers, each 1028 bytes. It provides an API tt_static_buf()
>> allowing to return them one by one in a cycle. But sometimes it
>> is needed to obtain a bit bigger buffer, or on the contrary -
>> many smaller buffers. For example, to store a UDP packet -
>> ~1.5Kb, or a small array of integers, probably not fitting into
>> 1028 bytes.
>>
>> This patch introduces a cyclic allocator having static thread
>> local buffer with fixed size 4096 * 3 bytes, and provides an API
>> to slice it by any smaller sizes. When the buffer is done, it is
>> recycled.
>>
>> This allocator will allow to drop tt_static buffers and lots of
>> other static thread local buffers scattered over Tarantool source
>> code.
>> ---
>> Branch: https://github.com/tarantool/small/tree/gerold103/static-allocator
>