linux-kernel - Re: [RFC PATCH v1] zram: experimental patch with entropy calculation

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Message-ID: <20220528093121.zqejxapd7xxrbu5c@cab-wsm-0029881>
Date:   Sat, 28 May 2022 09:30:53 +0000
From:   Aleksey Romanov <AVRomanov@...rdevices.ru>
To:     "minchan@...nel.org" <minchan@...nel.org>,
        "ngupta@...are.org" <ngupta@...are.org>,
        "senozhatsky@...omium.org" <senozhatsky@...omium.org>,
        "linux-block@...r.kernel.org" <linux-block@...r.kernel.org>,
        "axboe@...omium.org" <axboe@...omium.org>
CC:     kernel <kernel@...rdevices.ru>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "mnitenko@...il.com" <mnitenko@...il.com>
Subject: Re: [RFC PATCH v1] zram: experimental patch with entropy calculation

I also try this for /lib and /bin direcories. See results below.

/lib folder as .tar (not compressed):
+-----+-------------+------------+--------+--------------+-------------+
| ent |  orig_size  | compr_size |  time  | instructions | branches    |
+-----+-------------+------------+--------+--------------+-------------+
|  Y  | 16527126528 | 5921855963 | 16.46s | 71366805304  | 11693084550 |
+-----+-------------+------------+--------+--------------+-------------+
|  N  | 16527126528 | 5594516871 | 21.87s | 112664002524 | 16184998761 |
+-----+-------------+------------+--------+--------------+-------------+

/bin folder as .tar (not compressed):
+-----+------------+------------+--------+--------------+------------+
| ent | orig_size  | compr_size |  time  | instructions | branches   |
+-----+------------+------------+--------+--------------+------------+
|  Y  | 5594516871 | 387226648  | 4.772s | 35688596793  | 4486177586 |
+-----+------------+------------+--------+--------------+------------+
|  N  | 5594516871 | 326629907  | 5.811s | 43886087430  | 5161907045 |
+-----+------------+------------+--------+--------------+------------+