> -----Original Message----- > From: Thomas Monjalon <tho...@monjalon.net> > Sent: Wednesday, July 7, 2021 2:32 PM > To: Ruifeng Wang <ruifeng.w...@arm.com> > Cc: Jan Viktorin <vikto...@rehivetech.com>; jer...@marvell.com; Bruce > Richardson <bruce.richard...@intel.com>; dev@dpdk.org; > david.march...@redhat.com; nd <n...@arm.com>; Honnappa Nagarahalli > <honnappa.nagaraha...@arm.com> > Subject: Re: [PATCH v4 3/3] build: add option to enable wait until equal > > 07/07/2021 07:48, Ruifeng Wang: > > Introduce a meson option 'use_wfe' to select wait until equal method. > > The default is disable. Traditional polling loop is used. > > When enabled, architecture specific mechanism is relied on to do the > > wait. > > Why do we need an option? > Can it be automatic to enable it when supported? > The problem is inconsistency in performance on different Arm platforms. We had decided that each platform needs to enable it after some testing.
- [dpdk-dev] [PATCH v4 0/3] Use WFE for spinlock and ring Ruifeng Wang
- [dpdk-dev] [PATCH v4 1/3] spinlock: use wfe to reduc... Ruifeng Wang
- [dpdk-dev] [PATCH v4 2/3] ring: use wfe to wait for ... Ruifeng Wang
- [dpdk-dev] [PATCH v4 3/3] build: add option to enabl... Ruifeng Wang
- Re: [dpdk-dev] [PATCH v4 3/3] build: add option ... David Marchand
- [dpdk-dev] [PATCH v4 0/3] Use WFE for spinlock and r... Ruifeng Wang
- [dpdk-dev] [PATCH v4 1/3] spinlock: use wfe to r... Ruifeng Wang
- [dpdk-dev] [PATCH v4 2/3] ring: use wfe to wait ... Ruifeng Wang
- [dpdk-dev] [PATCH v4 3/3] build: add option to e... Ruifeng Wang
- Re: [dpdk-dev] [PATCH v4 3/3] build: add opt... Thomas Monjalon
- Re: [dpdk-dev] [PATCH v4 3/3] build: add... Ruifeng Wang
- Re: [dpdk-dev] [PATCH v4 3/3] build... Bruce Richardson
- Re: [dpdk-dev] [PATCH v4 3/3] b... Jerin Jacob
- Re: [dpdk-dev] [PATCH v4 3/... Ruifeng Wang
- Re: [dpdk-dev] [PATCH v4 3/... Jerin Jacob
- Re: [dpdk-dev] [PATCH v4 3/... Thomas Monjalon
- Re: [dpdk-dev] [PATCH v4 3/... Ruifeng Wang
- Re: [dpdk-dev] [PATCH v4 3/... Thomas Monjalon
- Re: [dpdk-dev] [PATCH v4 0/3] Use WFE for spinlo... Thomas Monjalon