On Tue, 17 Jan 2017 16:28:01 +0800 Marco Kwok <[email protected]> wrote:
> My test platform is on a intel NUC NUC5I5RYH, which has i5 5250U 1.6GHz, > 16GB DDR3 and i218-V network chip. dpdk 16.07.2 You may need a faster cpu, and PCI gen3 support (so that NIC goes direct to CPU cache). Also i218-V uses E1000 driver which has not been optimized much. > I have done the following things try to get a better latency with no luck: > -setup 1G hugepages > -disable cpu frequency scaling to make sure cpu runs at max speed of 2.7GHz > -isolate a cpu core from kernel task scheduler by isolcpus > -setting the burst size of testpmd to 1 Disable hyper-threading Set burst size to 32, some drivers optimize for this. Use different prefetch values
