Return-Path: Received: from mout.perfora.net ([74.208.4.194] verified) by media-motion.tv (CommuniGate Pro SMTP 4.2.10) with ESMTP id 4736099 for AE-List@media-motion.tv; Wed, 06 Jun 2012 03:44:57 +0200 Received: from [192.168.1.13] (68-113-148-6.dhcp.mdsn.wi.charter.com [68.113.148.6]) by mrelay.perfora.net (node=mrus4) with ESMTP (Nemesis) id 0Lnxom-1S4wNv1WXY-00fq5w; Tue, 05 Jun 2012 21:47:24 -0400 Content-Type: text/plain; charset=us-ascii Mime-Version: 1.0 (Apple Message framework v1278) Subject: Re: [AE] Why a raytraced renderer? From: Steve Oakley In-Reply-To: Date: Tue, 5 Jun 2012 20:47:22 -0500 Content-Transfer-Encoding: quoted-printable Message-Id: <67032E13-968D-4C76-8BD2-DA0AF1950A1B@practicali.com> References: To: "After Effects Mail List" X-Mailer: Apple Mail (2.1278) X-Provags-ID: V02:K0:6ZIhTSaDjwvbaZZkn9SKxohjt9CLMHDtQ4u1upn30lN WdbNHEiJ1QiMduDNouU04n4hEznljom+8TsT/MawWn5wkj8Snr gkYrxOz2zWwlO0LLm1W3LL4Ki2BctjUca27ZuUqrBCPjbotjmG HN83T80uOsvDCZ8PPew1EBcA9Rum+UQwejSUfDjCc56dQLWmG3 ZSDgcrczdP8KfWJvt/B6xMMeFOEK4hFy/SGOnPJBugY1wcEnhX 74SHdosJDT3VECJa4fiFCc0rWA9PZ7rcPkUFp9vDrk64rypYEF EuV4k7P2e9P//4Q0/lHHIMSHqCsgCEu1iS43gBbt7ABCbIVL4r NDj1FC+KxaPHWERYZPSIPqzGvNGErygP6d1i+BMY2Dq6FI4Dt7 IaxgjnGJmRoxw== lets put it another way, the cost of a CUDA compatible GPU is a couple = hundred bucks. thats way cheaper than replacing an entire system = sporting xeon CPU's that could easily run $3k-5K. a CUDA GPU is = literally 1/10th the price of a CPU upgrade.. assuming you even need to = do one.=20 S On Jun 5, 2012, at 4:20 PM, Todd Kopriva wrote: >> I'm trying to get my head around Adobe's decision to go with the ray >> traced renderer they did in AE6.=20 >=20 > I just asked a couple of the software engineers involved about this = decision, and they say that a ray-traced renderer is more efficient for = getting good-looking results for reflections, refractions, and shadows = than would be a scanline renderer. Our GPU-based ray-traced 3D renderer = is actually quite fast compared with anything that gives comparable = visual results for these light-related characteristics. That said, the = CPU-based renderer is slow, and we acknowledge that.=20 >=20 > As far hardware dependencies: We officially support a couple dozen = GPUs, and many of the high-performing ones (like the GTX 580) are not = expensive. >=20 > +---End of message---+ > To unsubscribe send any message to