‘As of right now, all of the VideoCore driver code which runs on the ARM is available under a FOSS license (3-Clause BSD to be precise). If you’re not familiar with the status of open source drivers on ARM SoCs this announcement may not seem like such a big deal, but it does actually mean that the BCM2835 used in the Raspberry Pi is the first ARM-based multimedia SoC with fully-functional, vendor-provided (as opposed to partial, reverse engineered) fully open-source drivers, and that Broadcom is the first vendor to open their mobile GPU drivers up in this way.’ This is a great result — congrats to the Raspberry Pi team for getting this to happen.
via Todd Lipcon — https://twitter.com/tlipcon/status/261113382642532352 ‘another cool piece of cloudera impala source: cpu-cache-aware hash table implementations by @jackowayed’. ‘L1-sized hash table that hopes to use cache well. Each bucket is a chunk list of tuples. Each chunk is a cache line.’
Links for 2012-10-24
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