Search found 4 matches

by rhinos
2011-08-18T02:26:23-07:00
Forum: Users
Topic: my imagemagick 's efficiency
Replies: 7
Views: 13384

Re: my imagemagick 's efficiency

Try timing conversion to null:

time convert 107.gif -resize 100 null:

This tells you whether the problem exists in the encoder or
somewhere else.

[root@SERVERB]# time convert 107.gif -resize 100 null:

real 0m0.065s
user 0m0.058s
sys 0m0.007s
[root@SERVERB]# time ./convert 107.gif -resize 100 ...
by rhinos
2011-08-14T08:32:07-07:00
Forum: Users
Topic: my imagemagick 's efficiency
Replies: 7
Views: 13384

Re: my imagemagick 's efficiency

Most likely the slow-down is an improved color reduction algorithm. To test, save the image as PNG for both 6.2.8 and 6.7.1 and measure the execution time. What are the dimensions of your input image? We're getting these times on our Fedora system:

sh-4.2$ time ImageMagick-6.2.8/utilities/convert ...
by rhinos
2011-08-14T06:39:40-07:00
Forum: Users
Topic: my imagemagick 's efficiency
Replies: 7
Views: 13384

Re: my imagemagick 's efficiency

You didn't mention whether both were Q16 builds. I think they both are, but
"convert | head -2" will tell for sure.

thx glennrp for your reply. yes, they both were Q16 builds, , why the differences. what should i do about the Imagemagick performance,

Version: ImageMagick 6.7.1-0 2011-08-14 Q16 ...
by rhinos
2011-08-13T20:37:40-07:00
Forum: Users
Topic: my imagemagick 's efficiency
Replies: 7
Views: 13384

my imagemagick 's efficiency

I have a question in the efficiency of imagemagick between the system precomiled rpm package and the version established from source code . Same system , rhel 5, x86_64. can anyone help me ?

My file size
4.0K ./107.gif


SERVER A, the Imagemagick version: ImagImageMagick-6.2.8.0-4.rpm
[root ...