Raj Agrawal

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Nvidia’s GPU Technology Conference 2011

February 11, 2011 by Raj Agrawal 1 Comment

Conference to Feature High-Performance Computing Symposium Co-Hosted by Los Alamos National Lab and NVIDIA.

NVIDIA today announced that the third annual GPU Technology Conference (GTC) will return to San Jose’s McEnery Convention Center from Oct. 11-14, 2011. In addition, Los Alamos National Laboratory will co-locate its Accelerated High Performance Computing (HPC) Symposium at the conference. Last year’s GTC offered more than 280 hours of content intended primarily for computational scientists, engineers and developers who want to better understand how the GPU is transforming scientific, visual and technical computing. Attendance at the 2010 event grew more than 50 percent, and further growth is anticipated this year. With increased global awareness surrounding supercomputing, and its importance to the advancement of science, visualization and innovation, this year’s GTC promises to be an event not to be missed.

nvidia branding
Nvidia Logo

GTC has moved to the top of the annual agenda for the scientific and technical GPU computing community, said Bill Dally, NVIDIA’s chief scientist.

A leading U.S. national security research institution, Los Alamos National Laboratory has been hosting the Accelerated HPC Symposium as a stand-alone event with the goal of bringing together world leaders in supercomputing to share knowledge and help solve the world’s most crucial technology challenges. This event will now take place during GTC 2011, and will be co-hosted by Los Alamos National Lab and NVIDIA.

Ben Bergen, research scientist at Los Alamos National Laboratory, said, The growing success of GTC makes it a natural venue for co-hosting the Accelerated HPC Symposium.

This event draws senior scientists from national research labs across the globe, and their interests in hardware and software development make for a perfect match with GTC.

It’s rare to attend a conference where there is such a broad a range of research disciplines represented, said Klaus Schulten, Swanlund Professor of Physics at the University of Illinois at Urbana-Champaign.

It is testament to the dramatic effects the GPU is having on complex scientific problems that an event like this is possible.

Many of the sponsors and exhibitors from GTC 2011 have already secured their spot, including Microsoft, Supermicro, PNY, Adobe, Next IO, GE Intelligent Platforms, AMAX, Appro, The Portland Group, and Wolfram Research. Further information on GTC2011 is available at www.gputechconf.

Filed Under: Gameology Tagged With: nvidia

Review: The Xotic Effects BB Plus

February 10, 2011 by Raj Agrawal 2 Comments

The pedal that doesn’t go wrong!

A few months back, I was checking out the official website for the Xotic Effect Pedals and stumbled across a red stomp box “BB+” engraved with the by-line 1 + 1 = ∞. This claim by the makers of the Xotic Effects made total sense when I actually started using the pedal. I am now a proud owner of the Xotic BB Plus and there are several reasons to why i can’t get enough of it!

Xotic BB+
BB+

First let’s peep into the feature set of the mighty BB Plus

  • The BB+ has two channels, A and B.
  • The A channel is based on the classic BB preamp by Xotic effects USA. Only thing it’s simpler to use, but that later.
  • We are provided with two big knobs for volume and gain, one small knob in the middle for tone, and a comp switch, with small images on it’s side reading hard and soft for the button’s ON and OFF functions respectively.
  • The B channel again has the similar volume and tone knobs as A, three smaller knobs representing bass mid and treble(yes a three band EQ) and the similar comp switch.
  • Between both the channels we have a A>B/B>A switch. The stompbox comes in a scarlet red casing which is terribly durable, a red and a blue LED for channels A and B respectively. Runs on a 9V battery and/or a 9V power supply.

The best thing about this little monster is the TONE!

Now understand one thing, “thou shall never sound bad with a BB+”.
This pedal is an utter bad a**. When we usually try out a stompbox, we look for the setting that convinces our ears. Here I was struggling to see if the pedal can ever sound bad and honestly I have given up on that. This pedal is a one big pack for everything a blues/rock/jazz/fusion guitarist can ever ask for from a pedal.

The A channel is as simple as it can be

If one is used to tube-screamer-like consoles then you’ll soon be best friends with this channel. One just has to adjust the volume, the gain and the tiny tone knob, which attenuates mids and highs. It is simply a super modded tubescreamer. Now, we are also provided with a comp switch which basically provides us with two cut off frequencies, 500hz when on hard and 1khz when on soft. Simply use it to add more bass to your sound which also makes your guitar sound more saturated, It’s best used on high gain, otherwise it just adds that extra butter you might need for your tone.

The B channel is smoother in comparison, with more bass than A

Sounds fuller even for the cleans, I guess it’s for this reason that this channel is used more as a boost than as an overdrive, although the overdrive here too sounds beautiful. With the three band EQ we are provided with a wide spectrum of tones with bass going as low as 500hz, mids peaking at 1khz and the treble starting from 10khz.Again you are provided with a comp switch which takes the bass frequency to as low and 350hz. Try a high gain setting on this patch and switch on the comp, it sounds like a tube amp at it’s threshold dolling out it’s natural compression on the drive.

You can stack them one after the other

We are also given a small switch between the channels which reads A>B when ON and B>A when it’s OFF, which simply means that we can stack these two channels the way we want. Overdrive before boost, boost before overdrive, A to B, B to A, with each channels infinite tonal possibilities. What we eventually get is something that is a godsend for a guitarist and so compact. Also, this pedal sounds good in any amp situation. If u don’t like to get in a mess of carrying your amp to your gigs or if u like to travel light but yet dont want to compromise on the tone then beat this, a guy with a sensible ear can make this sound great through a P.A! It is hardwired, with true bypass which is like playing straight through the amp with no disturbances at all.

It all boils down to the price

In India, the BB+ is priced somewhere close to 22k rupees which is quite expensive. But again, quality doesn’t come cheap and this pedal is built to last a lifetime. It’s tough and compact.

Filed Under: Consumer Technology

Why facebook will never have a dislike button

February 9, 2011 by Raj Agrawal 4 Comments

Facebook survives because of its efforts to improve the quality of relationships and interactivity among users. This is bound by a very fragile thread and can be easily damaged with stupid features like a “dislike button”. Here is what I think.

facebook-dislike-button
Image credit: TechDigest

Facebook has been successful mainly because of its ability to connect people and suggest users to make relations possible, even with strangers.

What makes a social network really “the best” is the way it handles and promotes conversations, and hence establishing relationship among users.

What makes a dislike button really inappropriate? Well, let’s face it. Facebook doesn’t trust its users. The chances of a dislike button being misused are very high. Internet trolls, haters, accidental dislikes, pay-to-dislike-a-post, etceteras are only a handful of examples how the button can be abused. This will discourage conversations among users.

If you like something on a social network, you can choose to like/ up-vote it. If you don’t agree with something, you can simply write in a comment expressing your disagreement. If more people agree with your disagreement, they’re likely to put a like on your comment. This get’s a conversation going and opinions are shared. Conversations make a social network SOCIAL.

Introducing one sloppy feature like a dislike button can quickly destroy the integrity of Facebook. It would be asocial.

Filed Under: Technology

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