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Programming as if Performance Mattered, by James Hague [2004-04-04] - 3 views

  • I frequently see bare queries from programmers in discussion forums, especially from new programmers, who are worried about performance. These worries often stem from popular notions about what operations are "slow." Division. Square roots. Mispredicted branches. Cache unfriendly data structures.
  • Inevitably someone chimes in that making out-of-context assumptions, especially without profiling, is a bad idea. And they're right.
  • The golden rule of programming has always been that clarity and correctness matter much more than the utmost speed. Very few people will argue with that. And yet do we really believe it? If we did, then 99% of all programs would be written in something like Python. Or Erlang.
  • ...5 more annotations...
  • At the same time, such concerns and advice seem to remain constant despite rapid advances in hardware.
  • That tempting, enticing, puzzle-solving activity called "optimization," it hasn't gone away either.
  • Only now the process is on a different level. It isn't machine level twiddling and cycle counting, but it isn't simply mathematical analysis of algorithms either.
  • The big difference is that the code changes I made are substantially safer than running a program and having it silently hang the system. All array accesses are bounds-checked. There's no way to accidentally overwrite a data structure. There's no way to create a memory leak.
  • Really, this is what those cycle-counting programmers from 1985 dreamed of.
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    « I frequently see bare queries from programmers in discussion forums, especially from new programmers, who are worried about performance. These worries often stem from popular notions about what operations are "slow." Division. Square roots. Mispredicted branches. Cache unfriendly data structures. »
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ByteCopy Joined H.265 NVIDIA to 30X Realtime 4K H.265 Encoding - YouTube - 0 views

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    H.265 promises the same video quality as H.264 when using half the bitrate, so you may have thought about converting your H.264 videos to H.265/HEVC in order to reduce the space used by your videos. However, if you've ever tried to transcoding videos with tools such as handbrake, you'll know the process can be painfully slow, and a single movie may take several hours even with a machine with a power processor. Luckily, there's a better and faster solution thanks to hardware accelerated encoding available in Nvidia graphics cards. Pavtube Studio, the leader of the multimedia software developer, has made its professional Blu-ray ripping tool, Pavtube ByteCopy, joined HEVC NVIDIA to 30x realtime 4K H.265 encoding. Now,Watch this tutorial and check if your computer has CUDA-enabled GPU.
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Online hiring challenges | Ways to tackle jobs | Pinhopes - 0 views

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    Today employers face multiple challenges with traditional online hiring portals such as:

    ü  Escalating cost of accessing candidates database which is largely unused

    ü  Time-consuming candidate search and review process

    ü  Hard to zero-in on the right resource

    ü  Limited branding options

    Needless to say, all the above factors slow hiring online which delays bringing candidates on-board. To help employers tackle these online recruitment problems, Pinhopes - a new-age online hiring destination, has introduced innovative profile filtering features, video based online hiring process, multiple branding avenues combined with cost-effective payment option. Here are the key differentiators which help employers hire 3x faster:

    Get relevant applications from interested candidates - Every time

    Unlike existing online recruitment portals Pinhopes doesn't deal in database business which means employers are not required to search for right candidates, in a database which is largely unused. Instead employers get relevant applications directly from active job seekers for a job opening, without putting much effort.

    No tedious candidate search process - Advanced built-in search bubbles best ta
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Free Domain - 0 views

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    Godaddy- Free Domain With Economy Hosting Only In- 720/- Rupees Per Year -Details Are Given Below- 1/ mo Hosting + Free domain! Stick it to the slow websites! Free Domain, 1 Website, 100 GB Storage, Unlimited Bandwidth, 100 E-Mail Address.
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    Godaddy- Free Domain With Economy Hosting Only In- 720/- Rupees Per Year --Details Are Given Below- 1/ mo Hosting + Free domain! Stick it to the slow websites!
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mesothelioma lawyers - 0 views

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    Mesothelioma is a somewhat uncommon form of most cancers, but it is very lethal, although it on occasion isn't always a spreading form of most cancers like a few other, more competitive forms. There have been millions of deaths related to mesothelioma within the years beyond and there aren't any signs of slowing down.
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Editor & Publisher ® - 3 views

  • So far, bostonglobe.com has published only one responsive ad. “Ad servers aren’t really ready for it yet, and advertisers aren’t quite (ready either),” Moriarty said.
    • Duane Jennings
       
      This is the huge revenue advantage that having a separate mobile page has over a single adaptive page. Having a separate mobile page does not mean the content has to be maintained in two different places though. Your CMS should handle the content in one place and still be able to display the content differently based on the device. Adaptive layout on one page just puts the burden on the phone and client PC to adjust the display rather than the CMS doing it before sending to the client. Many are doing adaptive layout wrong by sending all assets and content to phone devices which is not only bad for performance but also for user experience as it makes the page render slower.
  • accessible.
  • Jehl added that using responsive design forces news organizations to build uncluttered, lightweight websites. “That’s not really generally true of most of the desktop websites on the Web right now. They tend to be quite heavy and slow, and ad networks are generally built to be run on the desktop with faster browsers. There are lots of technical considerations around that, trying to figure out how best to use the same resources in dramatically different environments,” Jehl said.
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YSlow for Firebug - 0 views

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    A Firefox plugin which integrates with Firebug and shows you what's slowing down your web page loading.
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potassium chloride powder - 0 views

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    Potassium chloride can be used to treat low blood potassium. It is given by slow injection into a vein, or by mouth. Potassium is an essential mineral needed in the body for muscle and nerve function, healthy heart function, regulation of acid-base balance, kidneys function and bone formation.
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