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The same project encoding on 64-bit Vista. I contacted HP, which contributed a loaner xw8600 workstation with eight 3.33GHz cores running a 64-bit version of Windows Vista Business with 16GB of RAM.
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However, I don’t use Vegas much, so it didn’t pique my interest, plus I never really noticed any performance lag while working in 32-bit Windows.Ī quick visit to the Apple site confirmed that OS X was a 64-bit operating system, which really got me thinking about Adobe’s recommendation for a 64-bit system for CS4.
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As you’ll undoubtedly recall from my blog post at NAB 2008, Sony Media Software announced a 64-bit version of Vegas that it ultimately shipped in September 2008. Anyway, it’s been a while since I seriously considered 64-bit computing. To be honest, that was the first time I had seen 64-bit in the same sentence as CS4, but maybe I just didn’t read the marketing material carefully enough. Sounds like the 8GB of RAM on the Mac is allowing you to avoid the memory paging out to disk.” We have split up the application into multiple processes, which will allow you to use far more than the usual limit for 32-bit applications. This is why we recommend 64-bit systems for CS4. “Rendering AVCHD natively is very CPU- and memory-intensive, and often with memory-based tasks, you see a sharp drop off in performance when the system starts having to swap out memory to disk. I expected maybe 15 percent differential due to processor speed, but 6X? I sent these facts to Adobe and asked for their thoughts.
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In 32-bit Windows, it was pushing the memory envelope, with low processor utilization.
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Rendering out to Blu-ray compatible MPEG-2 took 68 minutes on the Windows workstation, 11 minutes on the Mac. I had two eight-core systems: the Windows workstation, a 2.83GHz HP xw6600 running Windows XP (32-bit version) with 3GB of RAM, and a 3.2GHz Mac running OS X version 10.5.5 with 8GB of RAM. I created a simple project, about 4 minutes long, two picture-in-picture overlays with simple rotation and color correction. So there I was, testing Adobe Creative Suite 4 (CS4)’s AVCHD compatibility.