The unaligned accesses in libpng are, for the large copies, a bug. Our
attempt to align the row buffer to a 16 byte boundary was off-by-one so we end
up always mis-aligning it. I've posted a patch on the png-mng-implement list:
http://sourceforge.net/mailarchive/message.php?msg_id=2819
T
Continue working on estimating register pressure with SMS:
- Discussed current approach with Richard which gave useful leads.
- Started to implement this approach.
- Doing experiments on libav microbench.
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Random data for the day: Dave Pigott has installed some new PandaBoard
build machines in the validation lab. They're identical to mine
except that root is on USB Flash instead of NFS, and they have a much
faster flash drive for the build area.
The time taken to bootstrap and test gcc-linaro-2011.
Interesting additional: That wasn't the fastest drive I could have bought, just
the best speed/cost balance.
I could get one which is approaching double that speed - or at least it's
specced that way!
Dave
On 10 Oct 2011, at 03:03, Michael Hope wrote:
> Random data for the day: Dave Pigott ha
