Performance of concurrent senders

Hi -- I have been running some experiments involving processes sending large volumes of data concurrently. The results show (on Linux 2.6.19.2) that although the total throughput achieved by all the processes remains constant, the jitter increases as the number of processes increases. Beyond abou

Hugetlpages Vs small pages

Hi, My config: Pentium M/1400MHz/1MB L2/64 entry D-TLB Kernel: 2.6.7-vanilla I tried running a microbenchmark in which I "touched" every 4k in a loop in 2 separate 4MB regions: 1) mapped from a hugetlbfs partition (MAP_FIXED) 2) mapped anonymously (MAP_ANONYMOUS) The result I'm getting is tha