[Libva] [PATCH intel-driver 0/2] Speed up jpeg encode tests

[Scott D Phillips]

On Sun, Oct 16, 2016 at 09:20:49PM -0700, Xiang, Haihao wrote:
> 
> Hi Scott,
> 
> Does your patches change the pass criteria? I don't see any failure
> after applying your patches, but Common/JPEGEncodeInputTest.Full/95
> should be failed if no change to pass criteria.

It should not alter the pass-criteria for any test. Looking closer at the
change, because the comparison is done with int8_t, it is possible that a
surface of all 0 will compare as 'close enough' to a surface of all 255. Let me see if I
can fix that.

> 
> Thanks
> Haihao
> 
> 
> > For me these two patches take the Big encode test from 44sec to
> > ~7sec.
> > 
> > Scott D Phillips (2):
> >   test: use valarray for raw image comparison
> >   test: read jpeg test data from /dev/urandom
> > 
> >  test/i965_jpeg_encode_test.cpp | 29 +++++++++++++----------------
> >  test/i965_jpeg_test_data.cpp   |  6 +++---
> >  2 files changed, 16 insertions(+), 19 deletions(-)
> >