Re: [PATCH v2] Optimize buffer_is_zero

2024-01-14 Thread Alexander Monakov
On Tue, 9 Jan 2024, Daniel P. Berrangé wrote: > On Thu, Nov 09, 2023 at 03:52:38PM +0300, Alexander Monakov wrote: > > I'd like to ping this patch on behalf of Mikhail. > > > > https://patchew.org/QEMU/20231027143704.7060-1-mmroma...@ispras.ru/ > > > > If this needs to be split up a bit to ea

Re: [PATCH v2] Optimize buffer_is_zero

2024-01-09 Thread Daniel P . Berrangé
On Thu, Nov 09, 2023 at 03:52:38PM +0300, Alexander Monakov wrote: > I'd like to ping this patch on behalf of Mikhail. > > https://patchew.org/QEMU/20231027143704.7060-1-mmroma...@ispras.ru/ > > If this needs to be split up a bit to ease review, please let us know. Sorry, my asm knowledge isn'

Re: [PATCH v2] Optimize buffer_is_zero

2024-01-09 Thread Alexander Monakov
Ping^3. On Thu, 14 Dec 2023, Alexander Monakov wrote: > Ping^2. > > On Thu, 9 Nov 2023, Alexander Monakov wrote: > > > I'd like to ping this patch on behalf of Mikhail. > > > > https://patchew.org/QEMU/20231027143704.7060-1-mmroma...@ispras.ru/ > > > > If this needs to be split up a bit to

Re: [PATCH v2] Optimize buffer_is_zero

2023-12-14 Thread Alexander Monakov
Ping^2. On Thu, 9 Nov 2023, Alexander Monakov wrote: > I'd like to ping this patch on behalf of Mikhail. > > https://patchew.org/QEMU/20231027143704.7060-1-mmroma...@ispras.ru/ > > If this needs to be split up a bit to ease review, please let us know. > > On Fri, 27 Oct 2023, Mikhail Romanov

Re: [PATCH v2] Optimize buffer_is_zero

2023-11-09 Thread Alexander Monakov
I'd like to ping this patch on behalf of Mikhail. https://patchew.org/QEMU/20231027143704.7060-1-mmroma...@ispras.ru/ If this needs to be split up a bit to ease review, please let us know. On Fri, 27 Oct 2023, Mikhail Romanov wrote: > Improve buffer_is_zero function which is often used in qem

[PATCH v2] Optimize buffer_is_zero

2023-10-27 Thread Mikhail Romanov
Improve buffer_is_zero function which is often used in qemu-img utility. For instance, when converting a 4.4 GiB Windows 10 image to qcow2 it takes around 40% of qemu-img run time (measured with 'perf record'). * The main improvements: 1) Define an inline wrapper for this function in include/qemu