Re: [Qemu-devel] [PATCH RFC v2 00/22] I/O prefetch cache

2016-09-06 Thread Pavel Butsykin
On 01.09.2016 17:17, Kevin Wolf wrote: Am 29.08.2016 um 19:09 hat Pavel Butsykin geschrieben: The prefetch cache aims to improve the performance of sequential read data. Of most interest here are the requests of a small size of data for sequential read, such requests can be optimized by extendin

Re: [Qemu-devel] [PATCH RFC v2 00/22] I/O prefetch cache

2016-09-06 Thread Pavel Butsykin
On 01.09.2016 18:26, Avi Kivity wrote: On 08/29/2016 08:09 PM, Pavel Butsykin wrote: The prefetch cache aims to improve the performance of sequential read data. Of most interest here are the requests of a small size of data for sequential read, such requests can be optimized by extending them an

Re: [Qemu-devel] [PATCH RFC v2 00/22] I/O prefetch cache

2016-09-01 Thread Avi Kivity
On 08/29/2016 08:09 PM, Pavel Butsykin wrote: The prefetch cache aims to improve the performance of sequential read data. Of most interest here are the requests of a small size of data for sequential read, such requests can be optimized by extending them and moving into the prefetch cache. Howeve

Re: [Qemu-devel] [PATCH RFC v2 00/22] I/O prefetch cache

2016-09-01 Thread Kevin Wolf
Am 29.08.2016 um 19:09 hat Pavel Butsykin geschrieben: > The prefetch cache aims to improve the performance of sequential read data. > Of most interest here are the requests of a small size of data for sequential > read, such requests can be optimized by extending them and moving into > the prefet

[Qemu-devel] [PATCH RFC v2 00/22] I/O prefetch cache

2016-08-29 Thread Pavel Butsykin
The prefetch cache aims to improve the performance of sequential read data. Of most interest here are the requests of a small size of data for sequential read, such requests can be optimized by extending them and moving into the prefetch cache. However, there are 2 issues: - In aggregate only a s