On 19/01/13 15:16, Reinhard Tartler wrote: > On Sat, Jan 19, 2013 at 2:29 PM, Luca Barbato <[email protected]> wrote: >> Between yesterday and today I started playing and integrating some known >> memory allocators that provide a mean to have a realigned malloc. >> >> Here some numbers from an h264 + ac3 in mkv file >> >> ./avconv_normal >> bench: utime=140.790s maxrss=30508kB >> ./avconv_tlsf >> bench: utime=140.026s maxrss=46428kB >> ./avconv_jemalloc >> bench: utime=137.821s maxrss=56532kB >> >> jemalloc is surprisingly fast, tlsf is slightly faster than the normal >> dlmalloc used in glibc. > > What machine did you use here? From what I read about it, there
Usual Core i7 > shouldn't be any benefits on a single processor. I would be interested > to see a benchmark over n, n=1,2,4,8,16 cores here. The patch for jemalloc had been sent, I'm not so keen in merging it since I'm using the experimental api to support aligned realloc. lu _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
