Return-Path: Received: from atl4mhob11.myregisteredsite.com ([209.17.115.49] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 5395185 for AE-List@media-motion.tv; Sun, 02 Mar 2014 11:37:07 +0100 Received: from mailpod.hostingplatform.com ([10.30.71.205]) by atl4mhob11.myregisteredsite.com (8.14.4/8.14.4) with ESMTP id s22AbUMF002676 for ; Sun, 2 Mar 2014 05:37:30 -0500 Received: (qmail 13284 invoked by uid 0); 2 Mar 2014 10:37:30 -0000 X-TCPREMOTEIP: 60.225.102.245 X-Authenticated-UID: chris@chriszwar.com Received: from unknown (HELO ?192.168.0.4?) (chris@chriszwar.com@60.225.102.245) by 0 with ESMTPA; 2 Mar 2014 10:37:30 -0000 From: Chris Zwar Content-Type: multipart/alternative; boundary="Apple-Mail=_E8F6AE26-BE59-4284-A31B-17DA22F4EFCF" Message-Id: <693DF63E-A912-44D6-83EF-E0FC113B02B7@chriszwar.com> Mime-Version: 1.0 (Mac OS X Mail 6.6 \(1510\)) Subject: Re: [AE] AI > PSD > AE workflow recommendations? Date: Sun, 2 Mar 2014 21:37:27 +1100 References: To: "After Effects Mail List" In-Reply-To: X-Mailer: Apple Mail (2.1510) --Apple-Mail=_E8F6AE26-BE59-4284-A31B-17DA22F4EFCF Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=windows-1252 On Sunday, 2 March 2014, Chris Zwar wrote: 'in order to maximise compatibility, After Effects uses the Photoshop = library in a way that can cause memory issues (this is all on this list, = about 4 years ago).' Has this been fixed since then? =20 This is a good question, because I was using CS5 and obviously there = have been some major changes since. I haven't dug through the archives = to find the original thread, but the jist of what I can remember is that = when After Effects uses a Photoshop file, it loads up the actual = Photoshop library (i.e. the Photoshop rendering engine) but can't = control how it uses memory. Unfortunately the Photoshop library isn't = very memory efficient, so if you have large Photoshop files and are on a = machine with limited ram - e.g. 12 gig or less - then the computer = starts to use virtual memory and everything grinds to a halt. It was a = problem I had originally blamed on a poor network, but I realised the = problem was exactly the same on Mac and Windows, and at every office I = worked at. Sometimes everything would freeze for over 5 minutes and a = normal person would think the thing had crashed, but it would eventually = start working again. I was stoked when Todd explained the problem and = the solution (don't use Photoshop files). I don't want to hijack the thread with this separate issue, but once I = inherited an After Effects project that took 45 minutes PER FRAME to = render, using Photoshop files. I cleaned it up and converted the PSD to = tiff layers and got the render time down to about 20 seconds per frame. = I actually started to write an article on it because I thought it was a = curious case, but then I realised I was just writing pages of stuff that = was basically bitching and moaning about my co-worker so I let it go=85 Since then it is more common to find larger amounts of ram in a machine = and there have been major upgrades with CS6 and CC, so I'd be interested = to hear Todd's input on this matter.=20 -Chris --Apple-Mail=_E8F6AE26-BE59-4284-A31B-17DA22F4EFCF Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=windows-1252 chris@chriszwar.com> = wrote:

'in order to = maximise compatibility, After Effects uses the Photoshop library in a = way that can cause memory issues (this is all on this list, about 4 = years ago).'
Has this been fixed since then? =

This is a good question, = because I was using CS5 and obviously there have been some major changes = since. I haven't dug through the archives to find the original = thread, but the jist of what I can remember is that when After Effects = uses a Photoshop file, it loads up the actual Photoshop library (i.e. = the Photoshop rendering engine) but can't control how it uses memory. = Unfortunately the Photoshop library isn't very memory efficient, = so if you have large Photoshop files and are on a machine with limited = ram - e.g. 12 gig or less - then the computer starts to use virtual = memory and everything grinds to a halt. It was a problem I had = originally blamed on a poor network, but I realised the problem was = exactly the same on Mac and Windows, and at every office I worked at. = Sometimes everything would freeze for over 5 minutes and a normal = person would think the thing had crashed, but it would eventually start = working again. I was stoked when Todd explained the problem and = the solution (don't use Photoshop files).

I don't = want to hijack the thread with this separate issue, but once I inherited = an After Effects project that took 45 minutes PER FRAME to render, using = Photoshop files. I cleaned it up and converted the PSD to tiff = layers and got the render time down to about 20 seconds per frame. = I actually started to write an article on it because I thought it = was a curious case, but then I realised I was just writing pages of = stuff that was basically bitching and moaning about my co-worker so I = let it go=85

Since then it is more common to find = larger amounts of ram in a machine and there have been major upgrades = with CS6 and CC, so I'd be interested to hear Todd's input on this = matter.

-Chris

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