Re: Per-device multiqueuing would be fantastic. Are there any plans? Are donations a matter here?

2017-02-22 Thread Mikael
Bump 2017-02-10 22:11 GMT+08:00 Mikael : > 2017-02-10 18:39 GMT+08:00 David Gwynne : > >> > 2017-02-09 16:41 GMT+08:00 David Gwynne : >> > .. > >> i can go into more detail if you want. >> >> cheers, >> dlg >> > > Hi David, > >

Re: Per-device multiqueuing would be fantastic. Are there any plans? Are donations a matter here?

2017-02-10 Thread Mikael
2017-02-10 18:39 GMT+08:00 David Gwynne : > > 2017-02-09 16:41 GMT+08:00 David Gwynne : > .. > i can go into more detail if you want. > > cheers, > dlg > Hi David, Thank you - yes please go into more detail! Also on a more concrete level I would be the

Re: Per-device multiqueuing would be fantastic. Are there any plans? Are donations a matter here?

2017-02-10 Thread David Gwynne
> On 9 Feb 2017, at 7:11 pm, Mikael wrote: > > 2017-02-09 16:41 GMT+08:00 David Gwynne : > .. > hey mikael, > > can you be more specific about what you mean by multiqueuing for disks? even a > reference to an implementation of what you’re asking about

Re: Per-device multiqueuing would be fantastic. Are there any plans? Are donations a matter here?

2017-02-09 Thread Mikael
2017-02-09 16:41 GMT+08:00 David Gwynne : .. > hey mikael, > > can you be more specific about what you mean by multiqueuing for disks? > even a > reference to an implementation of what you’re asking about would help me > answer this question. > > ill write up a bigger reply

Re: Per-device multiqueuing would be fantastic. Are there any plans? Are donations a matter here?

2017-02-09 Thread David Gwynne
> On 9 Feb 2017, at 12:42 pm, Mikael wrote: > > Hi misc@, > > The SSD reading benchmark in the previous email shows that per-device > multiqueuing will boost multithreaded random read performance very much > e.g. by ~7X+, e.g. the current 50MB/sec will increase to

Per-device multiqueuing would be fantastic. Are there any plans? Are donations a matter here?

2017-02-08 Thread Mikael
Hi misc@, The SSD reading benchmark in the previous email shows that per-device multiqueuing will boost multithreaded random read performance very much e.g. by ~7X+, e.g. the current 50MB/sec will increase to ~350MB/sec+. (I didn't benchmark yet but I suspect the current 50MB/sec is system-wide,