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Apple To Ship Mac OS X Snow Leopard On August 28
okapi writes "Apple announced that Mac OS X v10.6 Snow Leopard will go on sale Friday, August 28 at Apple's retail stores and Apple Authorized Resellers, and that Apple's online store is now accepting pre-orders."
All updates within a particular version are free (10.5.1, 10.5.2, 10.5.3, etc.), but jumping to a major version (10.4 -> 10.5) cost something. This particular upgrade is a little different insofar as they've tweaked the behind-the-scenes stuff more than anything else, which some folks might consider nothing more than a service pack, but because of that it's only $29 instead of the usual $129.
HTH
OSX upgrades are as free as Windows upgrades are-- which is to say minor updates and bug-fixes are free, but major updates cost you.
Lots of Windows fanatics like to point to the numbering scheme and claim that Apple makes you pay for "service packs", so they'll note that 10.4 to 10.5 is a paid upgrade, even though the version number stays the same. However, in OSX, it's the third version number that's similar to a service pack, i.e. 10.4.1 could be called Mac OSX v4, service pack 1.
And that's not necessarily too different from Windows versioning. Windows 2000 was Windows 5.0, and Windows XP was version 5.1. Windows XP service pack 3, under Apple's versioning number scheme, could be called 5.1.3. Or really, since Apple isn't incrementing the "10" part of their versioning number, it could be 10.5.1.3.
Ultimately I'm just saying that whole side of the argument-- that is, the version numbering-- is a little arbitrary and stupid. The point is that Apple releases small improvements and bug fixes all the time, and those are free. Every two years or so, they release a new version with new features and major improvements, and those can cost as much as $130. However, in the case of Snow Leopard, most of the improvements are under the hood, so the upgrade price is only $30.
There are many reasons to upgrade to Snow Leopard, for example a major one for some people will be Exchange support, and another one will be a performance tweak. For example, even though very little is different from Ubuntu 8.10 to 9.04, 9.04 sped up the boot process a lot and as such starts about 45 seconds faster for me on a normal HDD. Snow Leopard is expected to clean up the code and make it be in general faster.
However the main reason will be the new APIs that will eventually require everyone to upgrade to Snow Leopard, but even before the new APIs get used much, its still a worthwhile upgrade.
Taxation is legalized theft, no more, no less.
As someone who has been testing Snow Leopard in many different scenarios for the past four months, I can say this is one update that will likely give you no problems if you install over the top of your existing 10.5.x installation.
But, for maximum speed and efficiency, I would back up your user data and apps, and do a clean install. Snow Leopard is very lean and mean, and I noticed considerably more Snappiness on machines where I clean-installed and manually migrated my data.
:q!
OpenCL is going to change scientific computing, for good. NVIDIA's CUDA is great and all, but you get bogged to one vendor's platform. With OpenCL you can define compute kernels that will be run in the GPU, if the thing supports it. For neural networks, genetic algorithms, matrix stuff, fast fourier transform, etc, expect HUGE performance gains. Especially whenever there's an NVIDIA TESLA with 192 cores behind it you might find gains of 100x speed. I'll probably be modded as funny or some shit, but imho OpenCL is a game-changer for the scientific community.
Finally, ONE DAY, there will be a killer app for the general public using the power of the GPU. Then I hope everybody will understand.
In the meantime, I, and my students, will be studying and working with it.
Without a doubt what you say is true.
However, the parent is right in that increasingly, over time, Windows systems typically slow down. even if you don't add much in the way of applications or other software. Without a doubt, part of this phenomenon is related to increasing data bloat, especially in the registry. (After all, this is where things like the a MRU lists and settings are stored.)
But the difference between Mac OS X, Linux, etc. over Windows is that the former lack the registry altogether, instead preferring to store this data in individual files rather than one huge database.
Like it or not, this slowdown is a limitation of the system as designed.
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