1.1B Taxi Rides on Kdb+/q and 4 Xeon Phi CPUs

#1

Post by hhyndman » Wed, Jan 25, 2017, 2:55 PM UTC

Re: 1.1B Taxi Rides on Kdb+/q and 4 Xeon Phi CPUs

#2

Post by nnx » Wed, Jan 25, 2017, 3:14 PM UTC

I absolutely love this blog series. Can't wait to read what's next :)

First time I noticed (mention of) recap at http://tech.marksblogg.com/benchmarks.html

#3

Post by chiph » Wed, Jan 25, 2017, 3:29 PM UTC

Under a second to do an avg across 1.1 billion rows spread over four machines. That's pretty amazing.

#4

Post by gbrown_ » Wed, Jan 25, 2017, 3:47 PM UTC

Nice to see some KNL usage outside the traditional large HPC centers :D

#5

Post by nextos » Wed, Jan 25, 2017, 3:53 PM UTC

gbrown_ wrote: post #4

Nice to see some KNL usage outside the traditional large HPC centers :D

Yes, I remained a bit skeptical, but it seems to be taking off after latest iteration.

#6

Post by wyldfire » Wed, Jan 25, 2017, 4:01 PM UTC

How does Phi's MCDRAM compare to GDDR5 (wrt throughput)?

#7

Post by smulh76 » Wed, Jan 25, 2017, 4:01 PM UTC

Unbelievably fast! Interesting blog tbh.

#8

Post by [deleted] » Wed, Jan 25, 2017, 4:07 PM UTC

[deleted]

#9

Post by Smca » Wed, Jan 25, 2017, 4:11 PM UTC

Astonishing speed given the scale...

#10

Post by svan99 » Wed, Jan 25, 2017, 4:11 PM UTC

Nice writeup. If you are interested in learning KDB/Q, please take a look at this book: http://code.kx.com/mkdocs/qformortals3/