Thursday, October 20, 2011

Saturday, October 8, 2011

Wee Wise Words - Heaven and Hell

Wee Wise Words - Heaven and Hell from Flickerpix on Vimeo.

Innovation Starvation

"Most people who work in corporations or academia have witnessed something like the following: A number of engineers are sitting together in a room, bouncing ideas off each other. Out of the discussion emerges a new concept that seems promising. Then some laptop-wielding person in the corner, having performed a quick Google search, announces that this “new” idea is, in fact, an old one—or at least vaguely similar—and has already been tried. Either it failed, or it succeeded. If it failed, then no manager who wants to keep his or her job will approve spending money trying to revive it. If it succeeded, then it’s patented and entry to the market is presumed to be unattainable, since the first people who thought of it will have “first-mover advantage” and will have created “barriers to entry.” The number of seemingly promising ideas that have been crushed in this way must number in the millions."

http://johniac.posterous.com/innovation-starvation-world-policy-institute

Julian Treasure: The 4 ways sound affects us

Harald Haas: Wireless data from every light bulb

Adam Ostrow: After your final status update

Thursday, October 6, 2011

MAP_POPULATE performance with ext3

Performance of mmap_read without MAP_POPULATE, around 90 MB/sec

XXX_01:~ # ~/a.out -i /tmp/test/testfile
Time taken : 22 sec
Data Read : 2097152000 bytes
Speed is : 90.909091 MB/sec
XXX_01:~ #
XXX_01:~ # umount /tmp/test; mount  /dev/vx/dsk/vxvmdg/fs_iscsi_ext3 /tmp/test
XXX_01:~ # ~/a.out -i /tmp/test/testfile
Time taken : 22 sec
Data Read : 2097152000 bytes
Speed is : 90.909091 MB/sec
XXX_01:~ #

Performance wih MAP_POPULATE, around 86 MB/sec

XXX_01:~ # ~/a.out -i /tmp/test/testfile
Time taken : 23 sec
Data Read : 2097152000 bytes
Speed is : 86.956522 MB/sec
XXX_01:~ #
XXX_01:~ # umount /tmp/test; mount  /dev/vx/dsk/vxvmdg/fs_iscsi_ext3 /tmp/test
XXX_01:~ # ~/a.out -i /tmp/test/testfile
Time taken : 23 sec
Data Read : 2097152000 bytes
Speed is : 86.956522 MB/sec
XXX_01:~ #

Looks like the built-in read-head of ext3 or linux is good enough without the need for MAP_POPULATE when used with mmap

Monday, October 3, 2011

James altucher on atheism

Altucher on atheism 

ATHEISM
@mczirjack asks: What are your thoughts (if any) of the expanding Aetheist movement i.e.: Sam Harris, Richard Dawkins, etc
ANSWER:
Atheism is almost a one-word oxymoron. It’s an organized religion against organized religions. But they still try to keep all of the trappings of an organized religion: every “professional atheist” tries to lay out an ethical system.
I could think of myself as an atheist also – I don’t believe in a man with a beard who magically created the Universe. Then I can lay out an existential system of ethics and ways for men to deal with each other without the words “under God” hanging over them.
Most people forget that Buddha was an atheist. And that even in orthodox Judaism there is no real word for God.
I prefer,for myself, to develop a system of happiness, to eliminate the constant brainwashing that occurs around me, and to try to enjoy life today.
In terms of the question: “do I believe in a higher power?” I would have to answer that I do believe in the concept of “surrender” which may or may not imply a higher power (who knows?). In other words, many situations get so difficult you want to throw up your hands and just say, “you know what, I did all I can. I leave the rest up to you.” And who is that you? It might be a higher power. It might be a creative force inside of you that is dying for those moments to be unleashed. Or it might simply be the feeling of gratitude that is always worth cultivating to help one find more happiness in life.

Sunday, October 2, 2011

Meltdown - The men who crashed the world

Corruption in media

Desperate measures to finance escalating costs of production are also happening because hordes of players enter the media sector for a variety of reasons. There are no less than 40 news channels across the country financed by political parties or families, according to this documentary. A highly fragmented market that shows no signs of consolidating. 

The more expensive news gets to produce, and the less advertising there is to go around, the more shows you will get on gadgets and cars and movies. And fewer news crews going off to the countryside to report what is happening to ordinary people. Not reporting is not a cognizable offence, but it undermines the reason for the existence of journalism in a free society. 

And lots of other insightful comments at http://www.thehindu.com/arts/magazine/article2475946.ece