Re: [dpdk-dev] [PATCH v5 5/8] ticketlock: use new API to reduce contention on aarch64

2019-09-12 Thread Jerin Jacob
On Thu, Sep 12, 2019 at 4:57 PM Gavin Hu wrote: > > While using ticket lock, cores repeatedly poll the lock variable. > This is replaced by rte_wait_until_equal API. > > Running ticketlock_autotest on ThunderX2, Ampere eMAG80, and Arm N1SDP[1], > there were variances between runs, but no notable p

[dpdk-dev] [PATCH v5 5/8] ticketlock: use new API to reduce contention on aarch64

2019-09-12 Thread Gavin Hu
While using ticket lock, cores repeatedly poll the lock variable. This is replaced by rte_wait_until_equal API. Running ticketlock_autotest on ThunderX2, Ampere eMAG80, and Arm N1SDP[1], there were variances between runs, but no notable performance gain or degradation were seen with and without th