svn commit: r302135 - in head/devel: . lockfree-malloc

[Bryan Drewery]

On 8/6/2012 8:24 PM, Peter Jeremy wrote:
> On 2012-Aug-05 20:51:47 +0000, Bryan Drewery <bdrewery at freebsd.org> wrote:
>> Log:
>>  lockfree-malloc is a scalable drop-in replacement for malloc/free.
>>  
>>  * It's thread-friendly. It supports a practically-unlimited number of
>>    concurrent threads, without locking or performance degradation.
>>  * It's efficient, especially in a multi-threaded environment. Compared to
>>    a stock libc allocator, we see a significant performance boost.
>>  * It does NOT fragment or leak memory, unlike a stock libc allocator.
>>  * It wastes less memory. For small objects (less than 8kb in size), the
>>    overhead is around 0 bytes. (!)
> 
> Are these claims relative to the FreeBSD base malloc (jemalloc) or
> some other malloc (presumably the one in glibc)?  I suspect the
> latter but as currently written, it implies they are shortcomings
> in the former.
> 

I believe the claims are directed at glibc malloc. It's was designed for
Linux usage and ported over to FreeBSD.

-- 
Regards,
Bryan Drewery
bdrewery at freenode/EFNet