Re: slowdown due to reader-owned rwsem time-based spinning

2020-10-19 Thread Julia Lawall
On Mon, 19 Oct 2020, Waiman Long wrote: > On 10/19/20 3:48 PM, Julia Lawall wrote: > > > > On Mon, 19 Oct 2020, Waiman Long wrote: > > > > > On 10/15/20 7:38 AM, Julia Lawall wrote: > > > > Hello, > > > > > > > > Phoenix is an implementation of map reduce: > > > > > > > > https://github.com/koz

Re: slowdown due to reader-owned rwsem time-based spinning

2020-10-19 Thread Waiman Long
On 10/19/20 3:48 PM, Julia Lawall wrote: On Mon, 19 Oct 2020, Waiman Long wrote: On 10/15/20 7:38 AM, Julia Lawall wrote: Hello, Phoenix is an implementation of map reduce: https://github.com/kozyraki/phoenix The phoenix-2.0/tests subdirectory contains some benchmarks, including word_count

Re: slowdown due to reader-owned rwsem time-based spinning

2020-10-19 Thread Julia Lawall
On Mon, 19 Oct 2020, Waiman Long wrote: > On 10/15/20 7:38 AM, Julia Lawall wrote: > > Hello, > > > > Phoenix is an implementation of map reduce: > > > > https://github.com/kozyraki/phoenix > > > > The phoenix-2.0/tests subdirectory contains some benchmarks, including > > word_count. > > > > At

Re: slowdown due to reader-owned rwsem time-based spinning

2020-10-19 Thread Waiman Long
On 10/15/20 7:38 AM, Julia Lawall wrote: Hello, Phoenix is an implementation of map reduce: https://github.com/kozyraki/phoenix The phoenix-2.0/tests subdirectory contains some benchmarks, including word_count. At the same time, on my server, since v5.8, the kernel has changed from using the