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Ask Slashdot: GPU of Choice For OpenCL On Linux?

TehZorroness Re:nVidia Consumer Card (100 comments)

I picked up an nVidia GTX 970 about a month ago, and though I had to tinker a little bit with Debian to get it up and running, after I got the newest drivers installed it's been running rock solid and I haven't noticed much of a difference in performance between Debian and Windows 7 (Maybe 4 more fps in a game on windows where the game is running with the fps in the 290s. This wasn't an ideal test though because the renderer on windows was DirectX 9, while on Linux it was OpenGL). To get it going in Jessie, the upcoming stable release, all you need to do is add experimental to your sources and apt-get -t experimental install nvidia-kernel-dkms. Experimental should be pinned by default so things won't get installed unless you are explicit.

Before I put the 970 in, I had been getting by with the integrated graphics in my i7-4770k. If you haven't built a new PC in a while, the capabilities of Intel's integrated graphics will blow you away. Yes, dedicated cards are still miles ahead in performance, but on the Haswell HD Graphics 4600 GPU I was able to play some pretty modern games at modest settings. The coolest thing about it though is the completely open source graphics drivers and stack on Linux. If you're looking for the best performance possible on a completely open source stack, Intel is your answer.

I own a laptop with an ATi graphics chipset and their drivers are absolute garbage. Their Linux driver causes visual artifacts all the time on a composited GUI, and the machine to crashes on shutdown one out of 5 times with fglrx dumping core causing the machine to never shut off (and potentially turn my laptop bag into a toaster oven x_x). I guess I'm going to return to the open source radeon drivers now that I can scratch my gaming itch on the desktop.

yesterday
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IEEE: New H-1B Bill Will "Help Destroy" US Tech Workforce

TehZorroness Re:Fact: Free Trade doesn't work (482 comments)

How do you think prices are determined? Where do you think costs come from?

As someone working in manufacturing, I can tell you. Materials and expendable supplies.

about two weeks ago
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SystemD Gains New Networking Features

TehZorroness Re: Fuck Me (552 comments)

Yes, and it's called EVIL for a reason :)

about two weeks ago
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Ammonia Leak Alarm On the ISS Forces Evacuation of US Side: Crew Safe

TehZorroness Re:Booo (95 comments)

Hey dude, even though some of us Americans are scumbags, it isn't right to wish death upon anyone... Especially a bunch of civilian scientists.

about two weeks ago
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AMD, Nvidia Reportedly Tripped Up On Process Shrinks

TehZorroness Re:bean counters ruin another company (230 comments)

I really don't see that. Manufacturing in the USA typically runs Lean and often Cell based with process changes made in minutes. The people also tend to have a wider range of skills and experience. The states with unions pretty much don't do any more manufacturing.

I don't know if all shops work this way, but I work as a CNC lathe toolsetter and programmer in a non-union shop in New Jersey and what you say is pretty accurate based on my experience. Most of our operators will typically run a cell of 2 to 4 machines. As long as there are more contracts than we have machines (which is always, or we'd be out of business) we are constantly breaking down setups and retooling our machines for the next production run. We produce hundereds of different parts for some of our clients, and print revisions happen somewhat regularly. When we get a revised print, it usually only means we have to change a couple numbers in the g-code to define the new toolpath and tool the machine exactly how we did before the revision. While it may present an oppertunity to re-negotiate, It is hardly something we are willing to loose a contract over.

Now, I'm sure making microprocessors is quite a bit more sophisticated, but I can imagine that the biggest difference between different model CPUs built on the same process would be the code controlling the machine (automagically generated by CAM software from a CAD model), and they can probably be switched without making significant physical changes to the machine itself. If I remember correctly, it can easily take a couple years of calibration before a fab can produce anything reliable consistantly. I imagine once those machines are set up, they probably spend most of their time worrying about an earthquake happening on the other side of the world, not about loading a new program onto it.

- Chinese companies have the capability of rapidly adjusting manufacturing processes as a result of last minute design changes. While technically US companies have this ability, most companies just won't do it (in some cases labor unions are the biggest hindrance because they only permit their members to do one job and one job only, and instead of re-allocating existing labor, they're forced to hire new people, which just isn't economical or practical.)

- Even though it is possible to find the required skill set in the US, often the workers you do find aren't as good at a particular task as some people who live overseas and do that kind of work all the time. For example, how many Americans do you know that are good at operating the machinery used for making textiles? Chances are, they're harder to find than in China, but if you really wanted to get it done here, you could, just you'll pay more, it'll take longer, and the craftsmanship probably won't be as good.

I'd never trust any of this crap. All of these captains of industry complain about how few skilled workers we have here in the US - be it tech, manufacturing, whatever. All they really want is to pay as little for the labor as possible, and as long as it costs less in China, they will keep making up excuses and funding think-tanks to support their point of view. If they were trying to have their products manufactured with the best craftsmanship possible, by the most skilled workers they could employ, they wouldn't be outsourcing them to the cheapest place they could find. I'm not going to be that guy that says we do everything best in the US, but doing things best is not why we are outsourcing to China either.

about three weeks ago
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Verizon "End-to-End" Encrypted Calling Includes Law Enforcement Backdoor

TehZorroness Re:How is this different than the clipper chip? (170 comments)

If that passes SCOTUS, basically all is lost

Is this a case? Can someone drop the name or a link to the docket so I can follow it? (Typed in total sincerity. No sarcasm here.)

about a month ago
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In IT, Beware of Fad Versus Functional

TehZorroness Re:In IT, remember to wash your hands (153 comments)

This reminds me of my mechanic's old Snap-On MODIS II OBD2 diagnostics machine. The thing is literally a handheld computer (heavy and bulky) except instead of a keyboard and mouse it has 6 buttons. When you plug it in, it takes 5-10 minutes to boot up Windows 98, then eventually the front end software starts up. It's a terrible hack of a machine.

about a month ago
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Jaguar and Land Rover Just Created Transparent Pillars For Cars

TehZorroness Boo doo be do bop bop (191 comments)

I'm the future, and this is crazy,
so here's my number, call me maybe...

about a month ago
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CIA Lied Over Brutal Interrogations

TehZorroness Re:Justice (772 comments)

That sounds terriffic. This whole thing started when I was a minor. Guess who's going to be paying for it for the rest of his life even though he had no say in the matter? It's kind of really fucked up.

about a month and a half ago
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Bad Lockup Bug Plagues Linux

TehZorroness Re:I hope no one suggests a kernel debugger (257 comments)

Even then, the market will show that it prefers a well advertized heap of shit over a buggy piece of software with more supposed features.

about 2 months ago
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Hemp Fibers Make Better Supercapacitors Than Graphene

TehZorroness Re:So no ... (178 comments)

My high school instructor told us that when he was in high school electronics, the kids would toss a charged capacator at you if they saw you trying to sneak in after the bell rang. Either you try your best to catch it, or you let it drop and the professor turns around from the chalk board and notices you walking in.

about 5 months ago
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eSports Starting To Go Mainstream

TehZorroness Super Smash Bros (116 comments)

I'm going to be competing in my first official Super Smash Bros Melee tournament (ie. paid entry, prizes) in a couple of days and have been soaking in many videos of professional tournament games over the past couple weeks. It's truly amazing to me to see the strategies and techniques that the pros employ. It takes a LOT of practice to be able to exploit a character's specific intricacies in order to optimize your offensive and defensive game. It practically gets down to the point of playing mind games with your opponent. Always being able to predict their next move (not always possible with a good opponent), or at least knowing what options they have available to them at each split second is essential. (Watch this video: http://www.youtube.com/watch?v... - a good example of professional players pushing technique to the limits)

I don't think I've ever sat in front of the computer and sucked down video after video of historic baseball footage... ore ever will.

about 6 months ago
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CISPA's Author Has Another Privacy-Killing Bill To Pass Before He Retires

TehZorroness Re: Nice Summary (138 comments)

There is nothing socialist at all about a law making it mandatory to give our money to private insurance companies.

about 10 months ago
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Proposed California Law Would Mandate Smartphone Kill Switch

TehZorroness Re:And the other uses for this are? (252 comments)

From my perspective it was mostly about finding consensus. It was a great opportunity to talk to completely random people from a variety of demographics about the issues we care about as individuals, which are different for each person (as opposed to issues the media wants to push, or use as a distraction). A lot of people made a point about what our demands were, or what our direction was. The truth is, it was never about demands, and our only universal goal really was to reach out to our fellow citizens and establish that if you are worried about the direction our nation is heading in, you are not alone! I think our biggest problem as a nation is apathy. The government can kill American citizens with drone strikes, covertly archive all our personal communication, take natural resources and allow corrupt monopolies to form around them, waste trillions of dollars, preserve crooked business institutions, incarcerate more people than any other country in the world, and flat out lie to it's people, and we just shrug our shoulders and say, "Oh well..." The Occupy Movement was one of our biggest opportunities in a while to get together and affirm that we do care, and that if things head south, the people do have the power to change things. I think that was our greatest accomplishment. As far as government policy goes, I don't think the movement changed all too much, but if you look back, the womens' suffrage and civil rights movement didn't reach their goals overnight either. People have been fighting for gay marraige for years. These things take a long time. One day, the government will behave and listen to it's people again, but it won't happen overnight.

Another thing I noticed is that the camp also served as a training ground for the next generation of activists. A lot of the young people came out to participate (possibly because of the Anonymous affiliation) who had never participated in political activism in person before. If you are not familiar with the environment of a political protest that the local and federal institutions dread, you can find yourself in serious trouble very quick. First of all, where there are crowds, there are thieves. On top of that there are hundreds of cops that will not lift a finger for you if you are in need of help. There are spies, undercovers and sometimes agent provocateurs. People get very connected to their cause and are willing to make extreme choices, sometimes en-masse. You need to be aware of the groupthink, and look out for potential problems, because riots or stampedes can occur almost spontaneously. All it takes is an idiot cop to start pepper spraying (or in NY, for the police to pull out the orange mass-arrest nets) or a riot squad to start shoving a large crowd of people, or some idiot to attack the cops and give them an excuse for an all out brawl. I think a lot of people joined in thinking it would be all fun and games, and came out ready to handle themselves in the next political uprising.

about a year ago
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Proposed California Law Would Mandate Smartphone Kill Switch

TehZorroness Re:And the other uses for this are? (252 comments)

Funny how the propaganda machine skews things. I bet you never visited a camp and actually talked to the people... naa. You probably just listened to a bunch of phony reporters on TV talking shit, combined with cherry-picked sound bites. I spent two weeks sleeping on the sidewalk of Manhattan starting on September 17th, while working full time over in Jersey. I'll be the first to tell you, there was a share of people who are a little bit loony, but you'll find them at any protest. On the other hand, I've never met so many people who were in touch with what is going on in our country and in our world. Compared to the average American slob who does nothing but work, shop, and watch TV, these people actually saw the world for what it was, were disgusted, and were willing to make sacrifices to get out and find concensus among their fellow citizens and discuss the real problems our society faces and try to improve things. If you think that is counter-productive, I hope you like what you get for sitting on your ass and doing nothing until election day when you get to choose which lying bastard you want to get blamed for all the bad things that happen to you while the real crooks get away with murder behind the veil.

about a year ago
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To Mollify Google on Moto Patents, Apple Proposes $1/Device Fee

TehZorroness Re:Bad faith (582 comments)

If apple expects to shake down other companies (especially for trivially obvious patents), then they actually do deserve it when the same thing happens to them.

more than 2 years ago
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Ask Slashdot: Best Linux Game For Young Kids?

TehZorroness Re:Don't Flame me but.. (338 comments)

I would let my former roommate's two year old play super tux kart on my laptop to entertain her. Even though she didn't quite grasp the concept of steering, it always put a glowing smile on her face.

more than 2 years ago
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KDE Publishes Manifesto

TehZorroness Re:Well, that's a good sign! (58 comments)

It's nothing more than a company mission statement. Who cares about a company mission statement from, say, Google, or Microsoft, or your local bakery, or any company of any scale whatsoever apart from the people who write it? No-one.

While this is most likely true, I would say that the company's mission statement certainly still does have an impact on the customer through it's implementation.

more than 2 years ago
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Decentralized Social Networking — Why It Could Work

TehZorroness Not decentralized enough (128 comments)

I have been thinking about this for months now. If I were to build a decentralized social network, I would construct it as a peer to peer network, where your account information is mirrored by enough peers to be accessable around the clock. Public key encryption would be used to protect account details that are only visible to friends, that way people can mirror your private info without being able to read it. This design would make it difficult to sensor, difficult for big brother to sift through, and spare people from needing to run a dedicated server for their account. Unfortunately, I have a lot of reading (about encryption) to do if I were to persue this project, but if anyone is interested, we can toss some ideas around here.

more than 2 years ago
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Man Protests TSA With Nudity

TehZorroness Re:Lessons from my cousin (434 comments)

And it's really funny when the bookworm at HQ goes to look up the law that the cop is so sure exists, but can't seem to find it, while you're out on the side of the road and you have all sorts of apparently damning paraphernalia laid out on the trunk of your car. Cops hate it when you know more about the law then they do.

more than 2 years ago

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