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	<title>Comments on: Getting to know Grand Central Dispatch, OpenCL, and your 64-bit OS</title>
	<atom:link href="http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/feed/" rel="self" type="application/rss+xml" />
	<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/</link>
	<description>Gadgets, gear and computer hardware.</description>
	<lastBuildDate>Tue, 01 Dec 2009 12:46:41 -0500</lastBuildDate>
	
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		<title>By: ekw</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1088984</link>
		<dc:creator>ekw</dc:creator>
		<pubDate>Fri, 04 Sep 2009 00:31:57 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1088984</guid>
		<description>What?! Obviously you don&#039;t know what hyperthreading really is. Yeah Pentium 4&#039;s had it, but it&#039;s still one of Intel&#039;s worst processor.</description>
		<content:encoded><![CDATA[<p>What?! Obviously you don&#8217;t know what hyperthreading really is. Yeah Pentium 4&#8217;s had it, but it&#8217;s still one of Intel&#8217;s worst processor.</p>
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		<title>By: john Date</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1066535</link>
		<dc:creator>john Date</dc:creator>
		<pubDate>Sun, 02 Aug 2009 02:02:01 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1066535</guid>
		<description>Really clear if you read plain English (or do you need a whack upside the head to comprehend things), or view the Keynote. $29 for Leopard owners.</description>
		<content:encoded><![CDATA[<p>Really clear if you read plain English (or do you need a whack upside the head to comprehend things), or view the Keynote. $29 for Leopard owners.</p>
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		<title>By: Go preorder Snow Leopard on Amazon! Run, you fool!</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1066441</link>
		<dc:creator>Go preorder Snow Leopard on Amazon! Run, you fool!</dc:creator>
		<pubDate>Sat, 01 Aug 2009 20:41:12 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1066441</guid>
		<description>[...] all pretty pumped about the update; the major new features should make OS X better than ever. With Windows 7 right around the corner, I&#8217;m thinking both [...]</description>
		<content:encoded><![CDATA[<p>[...] all pretty pumped about the update; the major new features should make OS X better than ever. With Windows 7 right around the corner, I&#8217;m thinking both [...]</p>
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		<title>By: Only the Nvidia 9400M works with Snow Leopard&#8217;s h.264 acceleration</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1035031</link>
		<dc:creator>Only the Nvidia 9400M works with Snow Leopard&#8217;s h.264 acceleration</dc:creator>
		<pubDate>Wed, 10 Jun 2009 15:00:22 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1035031</guid>
		<description>[...] Featured Posts   CrunchGear ExclusiveWorld&#039;s smallest Bluetooth adapter + iPhone case giveaway &#187;Countdown to digital TVDTV Tips and Tricks &#187;Wiimbledon, 6/27 in NYHelp us raise money for charity &#187;iphone 3g sMore of everything, better camera (but no AT&amp;T tether) &#187;MOAR ROARSnow Leopard&#039;s got mo&#039; in different areas of code &#187; [...]</description>
		<content:encoded><![CDATA[<p>[...] Featured Posts   CrunchGear ExclusiveWorld&#8217;s smallest Bluetooth adapter + iPhone case giveaway &#187;Countdown to digital TVDTV Tips and Tricks &#187;Wiimbledon, 6/27 in NYHelp us raise money for charity &#187;iphone 3g sMore of everything, better camera (but no AT&amp;T tether) &#187;MOAR ROARSnow Leopard&#8217;s got mo&#8217; in different areas of code &#187; [...]</p>
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		<title>By: Jstock</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034984</link>
		<dc:creator>Jstock</dc:creator>
		<pubDate>Wed, 10 Jun 2009 13:07:00 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034984</guid>
		<description>Ya lol. I&#039;m not saying its a scam (its spelled out in plain english), but people aren&#039;t seeing this.</description>
		<content:encoded><![CDATA[<p>Ya lol. I&#8217;m not saying its a scam (its spelled out in plain english), but people aren&#8217;t seeing this.</p>
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		<title>By: <fb:name linked="false" useyou="false" uid="739158128">Gregory Pierce</fb:name></title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034792</link>
		<dc:creator><fb:name linked="false" useyou="false" uid="739158128">Gregory Pierce</fb:name></dc:creator>
		<pubDate>Wed, 10 Jun 2009 00:50:39 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034792</guid>
		<description>I&#039;m pretty sure that if you mail them a check, they won&#039;t mail it back.</description>
		<content:encoded><![CDATA[<p>I&#8217;m pretty sure that if you mail them a check, they won&#8217;t mail it back.</p>
]]></content:encoded>
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		<title>By: ans</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034447</link>
		<dc:creator>ans</dc:creator>
		<pubDate>Tue, 09 Jun 2009 16:33:23 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034447</guid>
		<description>Um dude, for those of us who don&#039;t have $200 to blow on an OS upgrade, please stop sending those e-mails.</description>
		<content:encoded><![CDATA[<p>Um dude, for those of us who don&#8217;t have $200 to blow on an OS upgrade, please stop sending those e-mails.</p>
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		<title>By: Casper</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034409</link>
		<dc:creator>Casper</dc:creator>
		<pubDate>Tue, 09 Jun 2009 15:46:39 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034409</guid>
		<description>quote: &quot;It’s a lot of stuff to be getting for $29, in fact I would have gladly paid $100 for this real update (I skipped Leopard)&quot;

And you&#039;ll have to .. the $29 price tag is for Leopard owners (upgrade), the actual price is $129 :)</description>
		<content:encoded><![CDATA[<p>quote: &#8220;It’s a lot of stuff to be getting for $29, in fact I would have gladly paid $100 for this real update (I skipped Leopard)&#8221;</p>
<p>And you&#8217;ll have to .. the $29 price tag is for Leopard owners (upgrade), the actual price is $129 :)</p>
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		<title>By: The WWDC 2009 build of Snow Leopard has leaked online (if that&#8217;s your thing)</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034365</link>
		<dc:creator>The WWDC 2009 build of Snow Leopard has leaked online (if that&#8217;s your thing)</dc:creator>
		<pubDate>Tue, 09 Jun 2009 14:56:40 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034365</guid>
		<description>[...] money for charity &#187;iphone 3g sMore of everything, better camera (but no AT&amp;T tether) &#187;MOAR ROARSnow Leopard&#039;s got mo&#039; in different areas of code &#187;three point hey-oooNew iPhone firmware for reals &#187;WWDC 2009Snow Leopard, iPhone 3Gs, iPhone 3.0 [...]</description>
		<content:encoded><![CDATA[<p>[...] money for charity &#187;iphone 3g sMore of everything, better camera (but no AT&amp;T tether) &#187;MOAR ROARSnow Leopard&#8217;s got mo&#8217; in different areas of code &#187;three point hey-oooNew iPhone firmware for reals &#187;WWDC 2009Snow Leopard, iPhone 3Gs, iPhone 3.0 [...]</p>
]]></content:encoded>
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		<title>By: The WWDC 2009 build of Snow Leopard has leaked online (if that&#8217;s your thing)</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034366</link>
		<dc:creator>The WWDC 2009 build of Snow Leopard has leaked online (if that&#8217;s your thing)</dc:creator>
		<pubDate>Tue, 09 Jun 2009 14:56:40 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034366</guid>
		<description>[...] money for charity &#187;iphone 3g sMore of everything, better camera (but no AT&amp;T tether) &#187;MOAR ROARSnow Leopard&#039;s got mo&#039; in different areas of code &#187;three point hey-oooNew iPhone firmware for reals &#187;WWDC 2009Snow Leopard, iPhone 3Gs, iPhone 3.0 [...]</description>
		<content:encoded><![CDATA[<p>[...] money for charity &#187;iphone 3g sMore of everything, better camera (but no AT&amp;T tether) &#187;MOAR ROARSnow Leopard&#8217;s got mo&#8217; in different areas of code &#187;three point hey-oooNew iPhone firmware for reals &#187;WWDC 2009Snow Leopard, iPhone 3Gs, iPhone 3.0 [...]</p>
]]></content:encoded>
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		<title>By: Murdoc</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034288</link>
		<dc:creator>Murdoc</dc:creator>
		<pubDate>Tue, 09 Jun 2009 12:18:48 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034288</guid>
		<description>Not very many Intel cpus have hyperthreading. Late pentium 4s, atoms, plus a smattering of extreme editions and xeons. Also hyperthreading doesnt really have that much to do with load balancing. Hyperthreading allows one physical core to be treated as two logical cores by the os, and thus enables it to execute multiple data threads at once.</description>
		<content:encoded><![CDATA[<p>Not very many Intel cpus have hyperthreading. Late pentium 4s, atoms, plus a smattering of extreme editions and xeons. Also hyperthreading doesnt really have that much to do with load balancing. Hyperthreading allows one physical core to be treated as two logical cores by the os, and thus enables it to execute multiple data threads at once.</p>
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		<title>By: Sar</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034247</link>
		<dc:creator>Sar</dc:creator>
		<pubDate>Tue, 09 Jun 2009 08:53:33 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034247</guid>
		<description>Very good overview.

One point: I too do not believe in one CPU being completely at 0%. I agree with Maj completely over here. It would be interesting to know the specific apps that *really* makes one CPU go to 0%... any suggestions?</description>
		<content:encoded><![CDATA[<p>Very good overview.</p>
<p>One point: I too do not believe in one CPU being completely at 0%. I agree with Maj completely over here. It would be interesting to know the specific apps that *really* makes one CPU go to 0%&#8230; any suggestions?</p>
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		<title>By: Maj</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1034085</link>
		<dc:creator>Maj</dc:creator>
		<pubDate>Tue, 09 Jun 2009 02:06:24 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1034085</guid>
		<description>Your comment about multi-core CPUs having idle cores is utter tosh.

Intel&#039;s Hyperthreading allows all of the cores to share the workload and it&#039;s done in hardware.

The grand central IDE is for designing applications that are specifically multithreaded.</description>
		<content:encoded><![CDATA[<p>Your comment about multi-core CPUs having idle cores is utter tosh.</p>
<p>Intel&#8217;s Hyperthreading allows all of the cores to share the workload and it&#8217;s done in hardware.</p>
<p>The grand central IDE is for designing applications that are specifically multithreaded.</p>
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		<title>By: WWDC 2009: Apple gets serious</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1033933</link>
		<dc:creator>WWDC 2009: Apple gets serious</dc:creator>
		<pubDate>Mon, 08 Jun 2009 22:56:52 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1033933</guid>
		<description>[...] we got the big reveal: a new iPhone, some hidden tricks in Snow Leopard and the iPhone OS, a lot of rumor run-up and, most importantly, a Jobs-less keynote. In the end we [...]</description>
		<content:encoded><![CDATA[<p>[...] we got the big reveal: a new iPhone, some hidden tricks in Snow Leopard and the iPhone OS, a lot of rumor run-up and, most importantly, a Jobs-less keynote. In the end we [...]</p>
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		<title>By: biff tannen</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1033779</link>
		<dc:creator>biff tannen</dc:creator>
		<pubDate>Mon, 08 Jun 2009 21:06:49 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1033779</guid>
		<description>I agree. Hell I would pay $200 for this update, and I keep sending emails to Apple saying so.</description>
		<content:encoded><![CDATA[<p>I agree. Hell I would pay $200 for this update, and I keep sending emails to Apple saying so.</p>
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		<title>By: no beats the wiz</title>
		<link>http://www.crunchgear.com/2009/06/08/getting-to-know-grand-central-dispatch-opencl-and-your-64-bit-os/comment-page-1/#comment-1033655</link>
		<dc:creator>no beats the wiz</dc:creator>
		<pubDate>Mon, 08 Jun 2009 19:51:10 +0000</pubDate>
		<guid isPermaLink="false">http://www.crunchgear.com/?p=93950#comment-1033655</guid>
		<description>Good roundup.  Dropping the price of snow leopard is good move by apple.

Would you rather pay at least $200 for a comparable vista service pack 3 cough cough windows 7 or $29 for snow leopard?</description>
		<content:encoded><![CDATA[<p>Good roundup.  Dropping the price of snow leopard is good move by apple.</p>
<p>Would you rather pay at least $200 for a comparable vista service pack 3 cough cough windows 7 or $29 for snow leopard?</p>
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