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The Legacy of CPU Features Since 1980s

Vairon Re:Can some explain the puzzles? (180 comments)

I believe this is a scenario that could cause two threads performing a incl instruction without lock added to overwrite the same memory address in such a way that the end result would be 2.

thread 1, iteration 0 of 9999: load 0 from memory

thread 2, iteration 0 of 9999: load 0 from memory
thread 2, iteration 0 of 9999: add 1 to 0 = 1
thread 2, iteration 0 of 9999: save 1 to memory

...thread 2 iterates multiple times...
thread 2, iteration 9998 of 9999: load 9998 from memory
thread 2, iteration 9998 of 9999: add 1 to 9998 = 9999
thread 2, iteration 9998 of 9999: save 9999 to memory

thread 1, iteration 0 of 9999: add 1 to 0 = 1
thread 1, iteration 0 of 9999: save 1 to memory

thread 2, iteration 9999 of 9999: load 1 from memory
thread 2, iteration 9999 of 9999: add 1 to 1 = 2

...thread 1 iterates multiples times....
thread 1, iteration 9999 of 9999: load 9999 from memory
thread 1, iteration 9999 of 9999: add 1 to 9999 = 10000
thread 1, iteration 9999 of 9999: save 10000 to memory

thread 2, iteration 9999 of 9999: save 2 to memory

about two weeks ago

Seagate Bulks Up With New 8 Terabyte 'Archive' Hard Drive

Vairon Re:Archive? (219 comments)

The average read/write seek time of this drive is 12ms. That seems quite usable to me for multiple use cases.

reference: http://www.seagate.com/www-con...

about a month and a half ago

Seagate Bulks Up With New 8 Terabyte 'Archive' Hard Drive

Vairon Re:Just in time. (219 comments)

The average read/write speed of this drive is 150MB/sec with a maximum sustained read rate of 190MB/sec. See http://www.seagate.com/files/w...

Assuming only the average read/write rate it would take 14 hours and 48 minutes to simultaneously read from one drive and write to another.
8*1000*1000/150/60/60=14.81 hours

about a month and a half ago

FAA Bans Delivering Packages With Drones

Vairon Re:Prime = OK ?? (199 comments)

Corporations are not people. This is seriously over told statement based on misreporting by a US Supreme court reporter who coined the phrase.

about 7 months ago

The Feature Phone Is Dead: Long Live the 'Basic Smartphone'

Vairon Re: WTF Is A "Feature Phone"? (243 comments)

From http://en.wikipedia.org/wiki/F...
"A feature phone is a mobile phone which is priced at the mid-range in a wireless provider's hardware lineup.[dubious – discuss] The term "feature phone" is a retronym. It is intended for customers who want a moderately priced and multipurpose phone without the expense of a high-end smartphone."

In my mind there's 3 general categories to mobile phones:
1. basic phone - Can make and receive phone calls. Example: Jitterbug phone
2. feature phone - Supports limited browsing of web, changing ringtones, very basic games or applications and makes/receives phone calls. Example: Nokia 6020.
3. smart phone - Runs an OS like Android or iOS with an application pool of thousands of applications to do similar functions as a PC along with making and receiving phone calls. Example: Samsung Galaxy S5

about 9 months ago

Private Keys Stolen Within Hours From Heartbleed OpenSSL Site

Vairon Re:Oh, man, what a mess (151 comments)

All websites running under any publicly released version of SUSE Linux Enterprise Server using the distribution's openSSL package were not vulnerable to HeartBleed.

about 10 months ago

Elsevier Going After Authors Sharing Their Own Papers

Vairon Re:wait (259 comments)

Considering they do not pay for these articles, what financial risk are they taking?

about a year ago

Ask Slashdot: Developer Responsibility When Apps Might Risk Lives?

Vairon Re:"Better than nothing" (100 comments)

That depends.
How big of a hole in relation to the surface area of a parachute do you consider giant?

about a year ago

FTC Demands Search Engines Separate Paid Advertisements From Search Results

Vairon Re:Sounds like BS to me (230 comments)

If you read the letter they sent to US based search engines you will find they are only talking about FTC Act Section 5 which I believe is codified in 15 USC 45(a). http://www.law.cornell.edu/uscode/text/15/45

If you read that section of the law you will find that it mostly just applies to US businesses.

Do you have any actual evidence that the FTC is trying to assert authority over a non-US based business that runs a search engine?

about a year and a half ago

How Power Failures Corrupt Flash SSD Data

Vairon Re:UPS does nothing for the common fault case. (204 comments)

Assuming you have sysrq keys enabled, you can hit alt-sysrq-s, wait for the sync to complete, alt-sysrq-u, alt-sysrq-b. This performs a filesystem sync then remounts all filesystems read-only then boots the system. Also if you have a stuck mount point you can always use a lazy umount (umount -l) to remove it from filesystem hierarchy so you don't need to reboot in the first place.

about 2 years ago

The U.S. minimum wage should be

Vairon Re:Fixed (1106 comments)

I think they have subtle differences.
Chicken shit seems synonymous with scared. It's usually spelled as two words.
Horse shit and bullshit are often interchangeable and mean nonsense, stupid or untrue. However bullshit is more popular as a word.
Bullshit also is the only *shit phrase I know of with a easy to use 2-letter abbreviation; bs.
You forgot to mention batshit. As in "You must be batshit crazy to think that this chicken shit outfit gives horse shit about your bullshit."

about 2 years ago

Machine Gun Fire From Military Helicopters Flying Over Downtown Miami

Vairon Re:Shock and awe (1130 comments)

There's a legal difference between an executive order and something that's not an EO like what some media outlets are now calling executive actions. The Supreme Court of the U.S. ruled in Mississippi v. Johnson, 71 U.S. 475 (1866) that EOs help the President execute his duties under the powers granted to him in the U.S. Constitution.

This list of 23 executive actions are just things he intends to do. That's all. He's not even done them yet. Have you actually read them? They're things like nominate a new ATF director. That's within his power. He doesn't even need to pre-declare like this that he's going to do it. He can just do it. The Senate still gets to approve or disapprove of his nomination. It's not granting him any power he doesn't already have.

So, I say again, what specifically is the EXTRAORDINARY POWER that you or SourceFrog believe that President Obama just granted himself?

about 2 years ago

Machine Gun Fire From Military Helicopters Flying Over Downtown Miami

Vairon Re:Shock and awe (1130 comments)

There have been 0 executive orders made recently. The last executive order President Obama made was Executive Order #13635 on Dec 27th, 2012 and concerned federal employees' pay. Many news organization incorrectly reported that Obama signed 23 executive orders when in fact he did not. They have now changed their wording to say executive actions. At least one reporter, from Salon.com, admitted to incorrectly reporting this.


about 2 years ago

Machine Gun Fire From Military Helicopters Flying Over Downtown Miami

Vairon Re:Shock and awe (1130 comments)

What executive orders have been made since the economic crisis that grant extraordinary powers? Please be specific.

about 2 years ago

Open Source ExFAT File System Reaches 1.0 Status

Vairon Re:This doesn't make sense to me (151 comments)

FAT filesystems are traditionally used on USB flash drives, SD cards and other removable storage to copy files between computers, cameras, printers and other devices which may not be attached to each other on a network. Sneakernet is a term for when you move files via removable storage between computers instead of using a network. For example, if you want to copy several gigabytes of data from one location to another and it would take several hours to complete via the Internet or only take 15 minutes to drive a USB stick to the target location.

about 2 years ago

Get Your 15 Years of Slashdot Shirt (For free, Depending)

Vairon Re:Age of Slashdot Accounts (146 comments)

If I had to guess it would be 1998 but I'm not sure.

more than 2 years ago



Vairon Vairon writes  |  more than 7 years ago

NULL_ptr writes "Quakecon 2007 registration has opened. BYOC spots are limited so hurry if you intend to register.

QuakeCon is a free convention held every year in Dallas, Texas. Thousands of computer gamers from all over the world convene there with their computers to make one of the largest BYOCs in the country. Besides being able to play against people on the LAN, there's tournaments, prizes and vendors showing their latest games and technology. QuakeCon is sponsored by ID Software, makers of the Doom, Quake, and Wolfenstein series of games.

Last year there was only 1,800 BYOC spots, but this year there will be 2,700 spots!"


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