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Re: [Qemu-devel] QCOW2 support for LZO compression
From: |
Laszlo Ersek |
Subject: |
Re: [Qemu-devel] QCOW2 support for LZO compression |
Date: |
Mon, 26 Jun 2017 23:30:08 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:52.0) Gecko/20100101 Thunderbird/52.2.0 |
On 06/26/17 22:30, Denis V. Lunev wrote:
> 3.
>
> _zstd is multi-threaded, and it’s dangerous_
>
> libzstd is single-threaded.
> There is a multi-thread extension, which is enabled in the CLI, but not
> in the library.
> There is also an experimental target which makes it possible to produce
> a MT-enabled library.
> Even in this case, the API remains single-threaded by default.
> It’s necessary to use dedicated entry points to enable multi-threading.
> TL;DR : zstd supports multithreading, but is single threaded by default.
That's a relief (to me anyway).
Thanks
Laszlo
- Re: [Qemu-devel] QCOW2 support for LZO compression, (continued)
Re: [Qemu-devel] QCOW2 support for LZO compression, Daniel P. Berrange, 2017/06/26
Re: [Qemu-devel] QCOW2 support for LZO compression, Daniel P. Berrange, 2017/06/26
Re: [Qemu-devel] QCOW2 support for LZO compression, Denis V. Lunev, 2017/06/26