Potatoes have ears as well as eyes - or at least potato-chip bags have ears. Researchers from MIT, Microsoft, and Adobe have developed an algorithm that can reconstruct an audio signal by analyzing minute vibrations of objects depicted in video. The ACM paper, "The visual microphone: passive recovery of sound from video" describes the algorithm. Many surfaces flexible enough to … [Read more...]
SC14 Technical Program and Registration – XSEDE/TACC Resources for Farber Tutorial
Register early for Supercomputing 2014 in New Orleans and save up to $275. View the Technical Program online (and register for our tutorial!) The Technical Program fee includes admission to all conference sessions, exhibits, the Monday night Exhibits opening event, Thursday night event, and one copy of the SC14 proceedings. Click here to view the grid showing access to … [Read more...]
Linus Torvalds Says Fix GCC 4.9 Code Generation!
Phoronix picked up Linus Torvalds' providing some not so gentle feedback on GCC 4.9. GCC 4.9 supports OpenMP 4.0. Apparently the latest GNU compiler is doing some silly spilling of CPU registers (including constants!) that caused a random panic in a load balance function with the in-development Linux 3.16 kernel. On a comparative note, GCC just received … [Read more...]
42 PF/s Trinity Supercomputer to Use Intel Knights Landing
First details on the National Nuclear Security Administration (NNSA) Trinity Supercomputer show that the 42 PF/s system costing $174M USD will run a combination of Intel Haswell and Knights Landing processors. In particular the Intel Xeon Phi devices will use Micron’s Hybrid Memory Cube technology, which will greatly help memory bandwidth and memory capacity limited … [Read more...]
NCSA (XSEDE) to Host OpenACC Aug 5th Workshop Using Blue Waters – Only Few Sites Can Receive Telecast
NCSA and the Extreme Science and Engineering Discovery Environment (XSEDE) project that it leads, along with the Pittsburgh Supercomputing Center, will present an OpenACC GPU programming workshop on Aug. 5. The workshop will have a hands-on component using NCSA’s Blue Waters supercomputer. Register through the online XSEDE portal. Send questions to Tom Maiden at … [Read more...]
GCC 4.9.1 Adds OpenMP 4.0 Fortran Support for Multicore
Jakub Jelinek <jakub at redhat dot com> posted on July 16th that the GCC 4.9.1 release now supports OpenMP 4.0 in Fortran (as well as C/C++). This is great news for multi-core programmers. GCC looks to be on-track to become the opensource platform that both Intel Xeon Phi and GPU programmers can use to to test pragma based programming. As reported on techEnablement.com, … [Read more...]
GCC likely to support both OpenACC and Intel Xeon Phi Offload Pragmas in 2015
It looks like GCC will be supporting both OpenACC and Intel Xeon Phi offload pragmas in future releases. Perhaps the GNU compiler chain will become the melting pot where OpenACC and OpenMP 4.0 pragmas merge to become a single unified syntax. According to Nathan Sidwell, Director of Sourcery Services at Mentor Embedded, their OpenACC effort is working to “make the underlying … [Read more...]
Farber to Teach All-Day Tutorial At Supercomputing Nov 16 2014
Supercomputing 2014 recently approved my proposal for an all-day class "From 'Hello World' to Exascale Using x86, GPUs and Intel Xeon Phi Coprocessors" (tut106s1), at The International Conference for High Performance Computing, Networking, Storage, and Analysis (SC14). I hope to see you on Sunday November 16, 2014 in New Orleans,! Abstract Both GPUs and Intel Xeon Phi … [Read more...]
Intel Knights Landing: Claimed 4x An NVIDIA K40 (on some applications)
Joe Curley (Director of Marketing in the Technical Computing Group at Intel Corporation) just completed his webinar on BrightTalk, "The Faster Path to Discovery: New Details on the Intel® Xeon Phi™ Product Family" that disclosed new details on the upcoming Knights Landing massively=parallel chip including a claimed 4x performance improvement over the NVIDIA K40 on some … [Read more...]
Women Who Code – Google’s $50M Program Kicks Off
Just weeks after releasing its first diversity report, Google is backing a new effort with $50M to bring more women into computer science. The new program is called Made with Code, which includes a mix of coding projects, partnerships with youth organizations to get more females involved in creating and writing computer software. This is just the latest effort by … [Read more...]