Test failure

[Jorge]

I have compiled mozjpeg on Ubuntu 14.10. `make test' failed after
several hours (the notebook was suspended and resumed in the
meantime). cpuinfo is attached. There are four virtual cores in
total (2 physical cores with hyperthreading).

I can give more information if you want.
Regards

The last terminal output was:
JPEG -> ARGB Bottom-Up 2/1 ... Passed.
JPEG -> ARGB Bottom-Up 15/8 ... Passed.
JPEG -> ARGB Bottom-Up 7/4 ... Passed.
JPEG -> ARGB Bottom-Up 13/8 ... Passed.
JPEG -> ARGB Bottom-Up 3/2 ... Passed.
JPEG -> ARGB Bottom-Up 11/8 ... Passed.
JPEG -> ARGB Bottom-Up 5/4 ... Passed.
JPEG -> ARGB Bottom-Up 9/8 ... Passed.
JPEG -> ARGB Bottom-Up ... Passed.
JPEG -> ARGB Bottom-Up 7/8 ... Passed.
JPEG -> ARGB Bottom-Up 3/4 ... Passed.
JPEG -> ARGB Bottom-Up 5/8 ... Passed.
JPEG -> ARGB Bottom-Up 1/2 ... Passed.
JPEG -> ARGB Bottom-Up 3/8 ... Passed.
JPEG -> ARGB Bottom-Up 1/4 ... Passed.
JPEG -> ARGB Bottom-Up 1/8 ... Passed.

--------------------

Buffer size regression test
TurboJPEG ERROR:
DCT coefficient out of range
Makefile:2481: recipe for target 'test' failed
make: *** [test] Error 255

[Frank Bossen]

I recently pushed a fixed into the master branch that should have addressed this issue.
Can you confirm whether you are using the current version of master?

-- Frank

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[Jorge]

I was using the latest release, 3.0. I have not tested master.

For the files I want to optimize, should I wait for the next Mozjpeg
release, or should I use master now (assuming it passes the test suite
on my machine)? This is for a very small quantity of images (so I can
compare them individually before and after to look for errors) and are
for personal use.

Regards

[Frank Bossen]

The reason 3.0 fails the test suite relates to corner cases that are rather unlikely to happen in practical use.
Using 3.0 for your purpose should be fine (as would be master).

-- Frank