Talk:RPi Performance - Revision history

Jikuja: /* SD card benchmarking */ new section

2012-11-02T13:15:00Z

‎SD card benchmarking: new section

Jukimatori: /* Section on boot times? */

2012-08-05T12:47:32Z

‎Section on boot times?

FlyingLotus1983: Created page with "== Section on boot times? == How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? ~~~~"

2012-08-04T02:56:21Z

Created page with "== Section on boot times? == How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? ~~~~"

New page

== Section on boot times? ==
How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? [[User:FlyingLotus1983|FlyingLotus1983]] 02:56, 4 August 2012 (UTC)

← Older revision		Revision as of 13:15, 2 November 2012
Line 2:		Line 2:
	How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? [[User:FlyingLotus1983\|FlyingLotus1983]] 02:56, 4 August 2012 (UTC)		How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? [[User:FlyingLotus1983\|FlyingLotus1983]] 02:56, 4 August 2012 (UTC)
	: According to me that seems a good idea. [[User:Jukimatori\|Jukimatori]] 12:47, 5 August 2012 (UTC)		: According to me that seems a good idea. [[User:Jukimatori\|Jukimatori]] 12:47, 5 August 2012 (UTC)
		+
		+	== SD card benchmarking ==
		+
		+	New test procudure for SD cards needed?
		+
		+	Write tests should include time which is needed to write '''all''' data into card (=sync)
		+	And before read tests file cache should be cleared.
		+
		+	Now people have two memory sizes which means that more ram is available for cache therefore results will be different with old and new model.
		+
		+	<pre>
		+	dd if=/dev/zero of=~/test.tmp bs=500K count=1024
		+	time sync
		+	sudo sh -c "echo 1 > /proc/sys/vm/drop_caches"
		+	dd if=~/test.tmp of=/dev/null bs=500K count=1024
		+	sudo rm /mnt/test.tmp
		+	time sync
		+
		+	1024+0 records in
		+	1024+0 records out
		+	524288000 bytes (524 MB) copied, 44.8961 s, 11.7 MB/s
		+
		+	real 0m7.981s
		+	user 0m0.000s
		+	sys 0m0.000s
		+	1024+0 records in
		+	1024+0 records out
		+	524288000 bytes (524 MB) copied, 26.4597 s, 19.8 MB/s
		+
		+	real 0m1.555s
		+	user 0m0.000s
		+	sys 0m0.000s
		+	-------------------
		+	1024+0 records in
		+	1024+0 records out
		+	524288000 bytes (524 MB) copied, 43.6373 s, 12.0 MB/s
		+
		+	real 0m12.007s
		+	user 0m0.000s
		+	sys 0m0.000s
		+	1024+0 records in
		+	1024+0 records out
		+	524288000 bytes (524 MB) copied, 26.012 s, 20.2 MB/s
		+
		+	real 0m1.977s
		+	user 0m0.000s
		+	sys 0m0.000s
		+	-------------------
		+	1024+0 records in
		+	1024+0 records out
		+	524288000 bytes (524 MB) copied, 48.3281 s, 10.8 MB/s
		+
		+	real 0m8.183s
		+	user 0m0.000s
		+	sys 0m0.000s
		+	1024+0 records in
		+	1024+0 records out
		+	524288000 bytes (524 MB) copied, 26.8685 s, 19.5 MB/s
		+
		+	real 0m2.547s
		+	user 0m0.000s
		+	sys 0m0.000s
		+
		+	</pre>

← Older revision		Revision as of 12:47, 5 August 2012
Line 1:		Line 1:
	== Section on boot times? ==		== Section on boot times? ==
	How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? [[User:FlyingLotus1983\|FlyingLotus1983]] 02:56, 4 August 2012 (UTC)		How about a section with a list of boot times, for various distros, SD cards, with/without booting to GUI, etc? [[User:FlyingLotus1983\|FlyingLotus1983]] 02:56, 4 August 2012 (UTC)
		+	: According to me that seems a good idea. [[User:Jukimatori\|Jukimatori]] 12:47, 5 August 2012 (UTC)