Ŀ´Ƽ
|
|
Ŀ´Ƽ õԽù
| õ | ֱٴ۴ | ()
Ŀ´Ƽ õԽù
| õ | ֱٴ۴ | ()
Ŀ´Ƽ õԽù
| õ | ֱٴ۴ | ()
Ŀ´Ƽ õԽù
| õ | ֱٴ۴ | ()
|
|
|
|
|
Nvidia's G80 innards exposed
GigaThread, Lumenex, True HDR, Quantum Effects
- we disclose all!
̹ 翡 2006 11 8 San Jose õ GeForce 8800 ø ߿ ϰڴ. San Francisco Editor's Day 翡 NVIDIA Ģ ˰ Ǿ. " Ʈ " "̾ " ʰ . 츮 ű ġ ʴ´. ڻ ϴ 鸸 츮 ڵ ϴ ʴĴ NVIDIA ִ.
е ̹ ƴ ٴ, America's Next Top Model Ÿ My Fair Brady Adrianne Curry G80 ̴. ø Graphzilla( : NVIDIA ǥ)κ Ÿ Ҹ ־. 츮 е Ű , G80 縦 ø ο شϴ ̾߱ ̴. , ϵ ð̴. е ˰ ; 11 8ϱ ٸ⸦ ʴ 翡 ԵǾ ִ. غϱ ٶ. ̴.
G80 ð ŭ ʱ ʰ 8 11AM ǥ Ʈʻ ǰ ߰ Ѵ. ϴ ʿ ̰ ó ι° ĥ ̴. MSI ƴ ASUS Ǿ. NVIDIA ī̴. 8800GTX 8800GTS ASUS ȴٴ ϱ ٶ. Ÿ AIB ü ý۸ ְ, 1 ǰ Ŭŷ ε ʴ´. ̵ ſ ̰ 200常 ҴǾ ִ.
The numbers
G80 TSMC Ǵ 681M Ʈ Ĩ̴. Graphzilla ä 뷫 140W ҺѴ. I/O Ĩ, , PCB ü ȯ սǿ Һȴ.
7800GTX 256MB ž G70 GPU ũξŰĸ Ѵٸ, ȼ̴ ؽ̴ ٸ Ŭ ǵ ۵Ѵٴ ˰ ̴. G80 ư ̴ Ŭ û ߴ.
GigaThread õ 带 ϴ G80 ũξŰ Ī̴. ATI RingBus ϰ ̴ ֿ ۾ ҴǴ Ѵ. G80 128 Į ̴ žϰ ְ NVIDIA ̸ Stream Processors θ ִ.
NVIDIA ǥ Stream Output Ҹ DirectX 10 ̴. - ̴ ȼ, ؽ, Ʈ, ɾ ó Ұϴ. , ؽ Ʈ ̴κ Ͱ ó ٽ GPU η ǵƿ ִ. ̴ ڵ ȿ ȿ, ƴϸ Ʈ ó ߰ ְ Ѵ. Ʈͷ ۾ ̴.
װ ϰ ϱ NVIDIA CPU L1, L2 ij Ŀ 鿴. ݸ鿡, Ʈ ؽ ̴ α ؽ ؽĸ Ѵٴ ˰ ; ڴ.
ؽ ü ؼ ̾߱ڸ, G80 64 ؽ žϰ ְ Ŭ 64 ȼ ó ִ. ڸ GeForce 7800GTX 24 ó ִ. ؽ ø Ŀ , G80 1ʴ 184£ 368 ؼ ó ִ. ȼ 鿡 G80 1ʴ 368 ȼ ִ.
RingBus GigaThread ڸ, DAAMIT( : AMD-ATI) X1900 48, X1800 16 ȼ 带 귣Ī ִ. GeForce 8800GTX 쿡 32 ȼ 带 ó 16 ȼ 忡 ̴. NVIDIA GPGPU( , Folding@Home) 鿡 ̶ ִ.
NVIDIA 100% ȿ ϰ ִ ݸ, ATI и 60% Ĺݿ 70% Ĺ ȿ ٴ ˰ ִ.
How many pixels can G80 push?
ȼ ǥϴ ϳ GPU Ŭ ִ ȼ ϴ ̴. αӺ 緡 ̵ Ȯ ǥ ϰ ִ.
ܵ ڸ, ȼ 鿡 G80 G70(7800), G71(7900) ִ.
G80 Ĩ 6 ROP(Raster Operation Partition) ְ 4 ȼ ִ. Ŭ 8800GTX 24, 8800GTS 20 ȼ ִ. , ̵ ȼ ƴϴ. Z-ó Ѵٸ ȼ ϳ 192 ȼ ִ. 4x FSAA ȴٸ, ġ Ŭ 48 .
ڵ鿡 ߿ 8 MRT(Multiple Render Target) Ȱ ְ ROP FP16 FP32 ۸ ϸ鼭 FSAA HDR ÿ ִٴ ̴. ڰ ƴϴ NVIDIA ſ Ұߴ FP32 ϰ Ǹ鼭 FSAA/HDR ⺻ ̶µ ǹ̰ ִ. 16x AA 128bit HDR ÿ ȴ.
Lumenex Engine - New FSAA and HDR explained
ROP Anti Aliasing ϰ ְ, Geforce 7 ø ſ ǰ ־. G80 MSAA(Multi-Sampling AA), SSAA(Super Sampling AA), TAAA(Transparent Adaptive AA) Ѵ. 4 ̱ GPU AA 8x, 8xQ, 16x, 16xQ̴. , ̱ 8800GTX ֽ ӿ 16xQ Ȱȭ · ̶ ...
Ʋȴ. ִ Ϲ 4x AA 16xQ AA ִ. Ȯ ̱ Ŭ 192 48 ȼ ó ̴. , 16x 16xQ ȭ Ȱ ϴ ӿ AA ߴ ̴.
NVIDIA 带 "Application Override" "Application Controlled" ģ "Application Enhanced" θ ִ. "Application Enhanced" ϰ ο ε, Ƹ κ AA ó ϰ, AA ó ʴ ϱ ̹ ø̼ Ŀ´̼ϴ . ڸ κ AA Ƿ?
, Ҹ ? . 90 Rendition Verite 21 Matrox Parhelia EAA.
HDR(High Dynamic Range) 鿡 NVIDIA ش OpenEXR ߰, 64bit 128bit е(, , , ä ۳Ʈ 32bit FP) Ѵ. "true" ǥ ֽ ƴ NVIDIA ο "True HDR" θ ִ. "True AA" "True AF" ͱ...
AF(Anisotropic Filtering) ATI X1K ũξŰĿ ٸŭ ǰ Ǿ. NVIDIA angle-indepent AF ϸ鼭, World of Warcaft Alterac Valley, Battlefield Spywarefield, Enemy Territory 忡 ڵ ¥ Ӹ ̴. GeForce 8 ø Smoothness ڸ GeForce 7 ø ô뿡 ִ ó δ. 8Ͽ GF8 信 D3D AF-Tester Ver 1.1 ̷ο ũ ص .
AA High-Quality AF, 128bit HDR ÿ ϴ. ܺ I/O Ĩ 10bit DAC ϸ鼭 GeForce ø 1670 ƴ ʾ ̻ ǥ Ѵ.
Quantum Effects
PhysX ϴµ ϸ鼭, DAAMIT Menage-a-Trois( : 3 Ȱ; Radeon X1K ī 3 CrossFire + GPU-assisted Physics ϴ ǥ) NVIDIA SLI-Physics GPU Havok ߴ. ȿ ü , ȿ, ü, , , ߰ ȿ ϵ ߰Ͽ ӿ Ǵ ʿ䰡 ִ.
GeForce 8800GTX
ڵ P355 ߵ 8800GTX NVIDIA ÷ ̴. 575MHz ϴ G80 Ĩ žϰ ִ. GPU ο 1.35GHz ϴ 128 Į ̴ ϰ ̴ Ŀ 뷫 520GFLOPS ̴. ̱ GPU ÷ӽ ̾߱⸦ Ѵٸ ̾߱Ⱑ DZ 뷫 1 Ҵٰ ִ. G90 R700 ̷ ϻ̴.
768MB Z 900MHz DDR(1.8GHz) Ŭ ϰ 뿪 86.4GB/s ̸.
PCB 10.3inch(27cm) Ŵϰ ο ͵ Ѵ. ù° ΰ Ŀ Ŀ̰ ° GTX ο SLI Ŀ ΰ̴. 뵵 ̳ 8800 شϴ ƴ϶ ְ κ 忡 Ȯϰ ̴. Ŀʹ 2 ũ DVI 1 HDTV 7pin ڰ ִ. ⺻ HDMI 1.3 ټ 8800GTX HDMI ڰ äǸ ʴ´.
/ ȥ ƴϰ κ ģ ˷̴ Ʈũ Ʈ äϰ ִ. ִ ó ǰ 600MHz/1GHz Ŭ 2 8800GTX ý ȹϰ ִ.
Һڰ Ǿ ᱹ $599(599, 399) . , û DZ ݴ븦 Ѵ.
GeForce 8800GTS
ڵ P356 8800GTS GTX ̴. G80 Ĩ GTX 輱 پ Ʈѷ 384bit 320bit, ̴ ּ 128 96, Ŭ ȼ 24 20 ҵǾ.
ü GTXٴ ܼ ̾ƿ ִ. ũ DVI, 7pin HDTV ڰ ⺻ ȴ. 6pin Ŀ Ŀʹ 1 ǰ, Ŀö 䱸 پ.
GPU Ŭ 500MHz, ̴ 1.2GHz , 640MB 800MHz DDR(1.6GHz) ٿŬǾ 64GB/s 뿪 . ȼ, ؼ ʷƮ 240 ȼ, 160~320 ؼ .
Һڰ $399(399), $100 ̻ ö Ѵ.
Performance is CPU Bound
´. GTS GTX CPU ɿ ߸ ִ ̴. Kentsfield ÿ 4x4 ī ִ ̾Ƴ ̴. G80 Ĩ CPU ִ ̻ ó ɷ ҸѴ.
ִµ, AMD 4x4 ÷ ӱ ٴ ھ FX ϱ⸦ Ѵ.
In the end
NVIDIA ٰ ũ ¾ ξ ߴ. Graphzilla ÿ 翡 ǵ ٺ Ǿ ִ. 512bit ̽, Ŭ ȼ óɷ, 2 ũξŰ... ͵ Santa Clara Marlboro DAAMIT R&D lab ִ.
Ǽ R520/R580 G70/71 ߴ 2005 귯ٴ ǵ ؾ߰ڴ. Ƹ ATI Ǿ R600 Ĩ ϴ Ͱ ÿ NVIDIA ο ̿ ̴.
ó :
The Inquirer
|
|
3
|
[4] ٸ
|
̶ õּ. α ʾƵ õ Ͻ ֽϴ. |
|
|
|
|
Խù |
|
|
|
õȳ |
Խù õ ֽϴ.õ 5 ̸̻ ο Խù ɾ 帳ϴ.
Ʈ ̺Ʈ Ͻþ ǰ ư ֽϴ.
Ʈȳ ۼ : 20, õŬ : 2, õ 2, ۼ : 4 (2008.12.29Ϻ) |
|
|
|
|
|
|