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SubjectRe: [PATCH V9 0/4] fuse: Add support for passthrough read/write
On Thu, Sep 24, 2020 at 3:13 PM Alessio Balsini <balsini@android.com> wrote:

> The first benchmarks were done by running FIO (fio-3.21) with:
> - bs=4Ki;
> - file size: 50Gi;
> - ioengine: sync;
> - fsync_on_close: true.
> The target file has been chosen large enough to avoid it to be entirely
> loaded into the page cache.
> Results are presented in the following table:
>
> +-----------+--------+-------------+--------+
> | Bandwidth | FUSE | FUSE | Bind |
> | (KiB/s) | | passthrough | mount |
> +-----------+--------+-------------+--------+
> | read | 468897 | 502085 | 516830 |
> +-----------+--------+-------------+--------+
> | randread | 15773 | 26632 | 21386 |


Have you looked into why passthrough is faster than native?

Thanks,
Miklos

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