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VIPSPROFILE(1)		    General Commands Manual		VIPSPROFILE(1)

NAME
       vipsprofile - analyze vips profiles

SYNOPSIS
       vipsprofile

DESCRIPTION
       vipsprofile(1)  analyzes	the file written by the	--vips-profile option,
       calculates some statistics, and draws a graph of	evaluation.

       Run any vips program with the --vips-profile option to generate a  file
       called  "vips-profile.txt".  This contains timing information about CPU
       use, memory use and thread synchronisation.

       Run vipsprofile(1) to load this file, calculate	some  statistics,  and
       draw a graph of evaluation saved	to vips-profile.svg. This analysis can
       help track down performance problems.

       For example:

	 $ vips	sharpen	shark.jpg x.jpg	--vips-profile
	 recording profile in vips-profile.txt
	 $ vipsprofile
	 reading from vips-profile.txt
	 loaded	3622 events
	 total time = 0.138322
	 name	       alive   wait%   work%   unkn%   memory  peakm
	 worker	20	0.069  34.5    58.9    6.65    3.14    5.56
	 worker	21	 0.07  1.36    60.2    38.4    2.65    5.07
	 worker	22	 0.07  33      55.8    11.1    2.62    5.04
	 worker	23	0.072  34.2    59.7    6.15    2.72    5.14
	 wbuffer 24	0.075  99      1.03    0.00401 0       0
	 wbuffer 25	0.075  95.6    4.39    0.00667 0       0
	 main 26	 0.14  52.8    0       47.2    -11.1   0.787
	 peak memory = 21.6 MB
	 writing to vips-profile.svg

RETURN VALUE
       returns 0 on success and	non-zero on error.

SEE ALSO
       vips(1)

			       13 December 2013			VIPSPROFILE(1)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO

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