Re: [dpdk-dev] [PATCH 15/15] mbuf: move pool pointer in hotter first half

2020-10-29 Thread Ajit Khaparde
On Thu, Oct 29, 2020 at 7:15 AM Ananyev, Konstantin wrote: > > > > > > > 29/10/2020 11:50, Andrew Rybchenko: > > > On 10/29/20 12:27 PM, Thomas Monjalon wrote: > > > > The mempool pointer in the mbuf struct is moved > > > > from the second to the first half. > > > > It should increase performance

Re: [dpdk-dev] [PATCH 15/15] mbuf: move pool pointer in hotter first half

2020-10-29 Thread Kinsella, Ray
On 29/10/2020 09:27, Thomas Monjalon wrote: > The mempool pointer in the mbuf struct is moved > from the second to the first half. > It should increase performance on most systems having 64-byte cache line, > i.e. mbuf is split in two cache lines. > On such system, the first half (also called fi

Re: [dpdk-dev] [PATCH 15/15] mbuf: move pool pointer in hotter first half

2020-10-29 Thread Ananyev, Konstantin
> > 29/10/2020 11:50, Andrew Rybchenko: > > On 10/29/20 12:27 PM, Thomas Monjalon wrote: > > > The mempool pointer in the mbuf struct is moved > > > from the second to the first half. > > > It should increase performance on most systems having 64-byte cache line, > > > i.e. mbuf is split in two

Re: [dpdk-dev] [PATCH 15/15] mbuf: move pool pointer in hotter first half

2020-10-29 Thread Thomas Monjalon
29/10/2020 11:50, Andrew Rybchenko: > On 10/29/20 12:27 PM, Thomas Monjalon wrote: > > The mempool pointer in the mbuf struct is moved > > from the second to the first half. > > It should increase performance on most systems having 64-byte cache line, > > i.e. mbuf is split in two cache lines. > >

Re: [dpdk-dev] [PATCH 15/15] mbuf: move pool pointer in hotter first half

2020-10-29 Thread Andrew Rybchenko
On 10/29/20 12:27 PM, Thomas Monjalon wrote: > The mempool pointer in the mbuf struct is moved > from the second to the first half. > It should increase performance on most systems having 64-byte cache line, > i.e. mbuf is split in two cache lines. > On such system, the first half (also called firs