그래픽 최적화로 가...가버렷! (부제: 배치! 배칭을 보자!) , Batch! Let's take a look at Batching! - Unite Seoul 2016

Apr 10, 201668 likes26,303 views

그래픽 최적화를 위해서 필수로 알아야하는 드로우콜과 배칭을 심화하여 다룹니다. 드로우콜의 개념, Batch와 SetPass Call의 차이, 드로우콜 감소 방법 등등 기초 개념부터 실무적인 깊이까지 다룹니다. 기반지식 여부 상관 없이 모두 들으실 수 있습니다. 특히 아티스트와 프로그래머에게 도움이 될 것입니다.

그래픽 최적화로 가...가버렷! (부제: 배치! 배칭을 보자!) , Batch! Let's take a look at Batching! - Unite Seoul 2016

그래픽 최적화 함께하지 않겠나
http://unite.unity3dkorea.com

그래픽 최적화 함께하지 않겠나
ozlael.oz
ozlael
ozlael.tistory.com
Support Engineer (john Oh)

-
- (Draw Call)
- Batch & Set Pass
- (Batching)
-
- (Culling)

Frame 1 Frame 2 Frame 3 Frame 4 Frame 5
Frame 6 Frame 7 Frame 8 Frame 9 Frame 10
1 sec
0 sec
10FPS(100ms/frame)

Logic AI Physics
Loading GC …
+Draw Call

CPU
DRAW!
TEXTURE!
SHADER!
VERTEX BUFFER!
ALPHA BLENDING!
CHANGE STATES
Draw Call
GPU...
USE Z-BUFFER!
TRANSFORM

CPU (App)
GPU
COMMAND
Draw
COMMAND
SetTexture
COMMAND
Set Texture
COMMAND
Set VBO
COMMAND
Set Shader
Command Buffer
...
Video
Memory
To draw

Draw Call
image : http://www.upcomingmobilephone.com/

Batch & SetPass
(Draw Call)
(Batching)
(Culling)

Batch
= Draw Call
+ Set VB/IB (mesh)
+ Set Transform (Shader Constant)
+ Set Shader
+ Set Texture 0~7
+ Set Blending
+ Set Z enable
+ ...

Batch
= Draw Call
+ Set VB/IB (mesh)
+ Set Transform (Shader Constant)
+ Set Shader
+ Set Texture 0~7
+ Set Blending
+ Set Z enable
+ ...
SetPass Call
(Material&Shader)

Objects : 10 Batches : 10 SetPass Calls : 1

Objects : 10 Batches : 10 SetPass Calls : 10

!=
Batches :
10
Batches :
10
Set Pass :
1
Set Pass :
10

Device Batches
Samsung Galaxy S2 85
Samsung Galaxy S3 178
Samsung Galaxy S4 215
Samsung Galaxy S5 260

배칭(Batching) 을
봐주지 않겠나...
(Draw Call)
Batch & Set Pass
(Culling)

Batch(in Rendering Statistics Window)
= Draw Call
+ Setting Shader + Setting Blending
+ Setting Texture + Setting Vertex Buffer
+ ...

Material A Material B
Batch
s
c
e
n
e
Batch

Static Batching
&
Dynamic BatchingPlayer Settings

Dynamic Batching
GPU
Vertex/Index BufferScene

Dynamic Batching: 제약 사항
Overhead
- Skinned Mesh
- Vertex Mesh
- position, normal, uv0 -> 300
- position, normal, uv0, uv1, tangent -> 180
- http://docs.unity3d.com/kr/current/Manual/DrawCallBatching.html

드로우콜 줄이기 를
봐주지 않겠나...
(Draw Call)
Batch & Set Pass
(Batching)
(Culling)

Batches : 32+
Realtime Shadow : X2+ batches
Shadowmap

Shadow Plane
Batches : 17(meshes:16 shadow:1)

3 Pixel Lights =
3 Batches
3 SetPass Calls
Tris * 3

컬링(Culling) 을
봐주지 않겠나...
(Draw Call)
Batch & Set Pass
(Batching)

Unity Manual : http://docs.unity3d.com/kr/current/Manual/OcclusionCulling.html

Device : Galaxy Note4 Rez : 2560X1440
CPU : ARMv7 VFPv3(1.9GHz) GPU : Mali-760MP(0.6GHz)
Shader : Custom Unlit Shader, Self-Illumin/Diffuse, Lightmap : 13 textures

Condition 1
- Batching : No
- Occlusion Culling : No
Condition 2
- Batching : Yes
- Occlusion Culling : No
Condition 3
- Batching : Yes
- Occlusion Culling : Yes
FPS(ms) 41(24.3) 50(20.0) 60(16.6)
Batches 1365 157 94
SetPass Calls 134 142 81
Saved by Batching 0 1207 244
Tris 114.3K 114.3K 28.9K
-4.3ms -3.4ms
-1208 -63
-8 -61
-85.4K
Note :
- This is not the official data.
- This is the rough test. Not the exact reference.
- Keep in mind “case by case”

Thank you
support@unity3d.com
http://unite.unity3dkorea.com

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Kevin Corke, a respected American journalist known for his work with Fox News, has always kept his personal life away from the spotlight. Despite his public presence, details about his spouse remain mostly private. Fans have long speculated about his marital status, but Corke chooses to maintain a clear boundary between his professional and personal life. While he occasionally shares glimpses of his family on social media, he has not publicly disclosed his wife’s identity. This deep dive into his private life reveals a man who values discretion, keeping his loved ones shielded from media attention.

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Basic memory structure – ROM -PROM – EPROM – EEPROM –EAPROM, RAM – Static and dynamic RAM - Programmable Logic Devices – Programmable Logic Array (PLA) - Programmable Array Logic (PAL) – Field Programmable Gate Arrays (FPGA) – Implementation of combinational logic circuits using PLA, PAL. Digital integrated circuits: Logic levels, propagation delay, power dissipation, fan-out and fan-in, noise margin, logic families and their characteristics – RTL, TTL, ECL and CMOS.

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Prediction of Unconfined Compressive Strength of Expansive Soil Amended with ...Journal of Soft Computing in Civil Engineering

Expansive soils (ES) have a long history of being difficult to work with in geotechnical engineering. Numerous studies have examined how bagasse ash (BA) and lime affect the unconfined compressive strength (UCS) of ES. Due to the complexities of this composite material, determining the UCS of stabilized ES using traditional methods such as empirical approaches and experimental methods is challenging. The use of artificial neural networks (ANN) for forecasting the UCS of stabilized soil has, however, been the subject of a few studies. This paper presents the results of using rigorous modelling techniques like ANN and multi-variable regression model (MVR) to examine the UCS of BA and a blend of BA-lime (BA + lime) stabilized ES. Laboratory tests were conducted for all dosages of BA and BA-lime admixed ES. 79 samples of data were gathered with various combinations of the experimental variables prepared and used in the construction of ANN and MVR models. The input variables for two models are seven parameters: BA percentage, lime percentage, liquid limit (LL), plastic limit (PL), shrinkage limit (SL), maximum dry density (MDD), and optimum moisture content (OMC), with the output variable being 28-day UCS. The ANN model prediction performance was compared to that of the MVR model. The models were evaluated and contrasted on the training dataset (70% data) and the testing dataset (30% residual data) using the coefficient of determination (R2), Mean Absolute Error (MAE), and Root Mean Square Error (RMSE) criteria. The findings indicate that the ANN model can predict the UCS of stabilized ES with high accuracy. The relevance of various input factors was estimated via sensitivity analysis utilizing various methodologies. For both the training and testing data sets, the proposed model has an elevated R2 of 0.9999. It has a minimal MAE and RMSE value of 0.0042 and 0.0217 for training data and 0.0038 and 0.0104 for testing data. As a result, the generated model excels the MVR model in terms of UCS prediction.

Attenuation Models for Estimation of Vertical Peak Ground Acceleration Based ...Journal of Soft Computing in Civil Engineering

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그래픽 최적화로 가...가버렷! (부제: 배치! 배칭을 보자!) , Batch! Let's take a look at Batching! - Unite Seoul 2016

2. 그래픽 최적화 함께하지 않겠나 http://unite.unity3dkorea.com

3. 그래픽 최적화 함께하지 않겠나 ozlael.oz ozlael ozlael.tistory.com Support Engineer (john Oh)

5. - - (Draw Call) - Batch & Set Pass - (Batching) - - (Culling)

6. CPU DRAW! Draw Call : GPU OK

7. (Draw Call) Batch & Set Pass (Batching) (Culling)

8. Frame 1 Frame 2 Frame 3 Frame 4 Frame 5 Frame 6 Frame 7 Frame 8 Frame 9 Frame 10 1 sec 0 sec 10FPS(100ms/frame)

9. 1 frame ...

10. 1 frame ...

11. 1 frame ...

12. 1 frame ...

13. 1 frame ...

14. 1 frame ...

15. 1 frame ...

16. ...

17. ...

18. CPU GPU CPU GPU info info

19. Batch & Set Pass (Batching) (Culling)

20. CPU GPU Frame End Frame start

21. CPU GPU Frame End Frame start

22. Logic AI Physics Loading GC … +Draw Call

23. CPU DRAW! Draw Call GPU OK

24. CPU DRAW! TEXTURE! SHADER! VERTEX BUFFER! ALPHA BLENDING! CHANGE STATES Draw Call GPU... USE Z-BUFFER! TRANSFORM

25. CPU (App) GPU COMMAND Draw COMMAND SetTexture COMMAND Set Texture COMMAND Set VBO COMMAND Set Shader Command Buffer ... Video Memory To draw

27. Draw Call Cost =

28. Draw Call Cost = 5122048

29. Draw Call image : http://www.upcomingmobilephone.com/

30. Batch & SetPass (Draw Call) (Batching) (Culling)

31. Batch = Draw Call + Set VB/IB (mesh) + Set Transform (Shader Constant) + Set Shader + Set Texture 0~7 + Set Blending + Set Z enable + ...

32. Batches : 1

33. Batches : 17 Batches : 11

34. Batches : 6

35. Batch = Draw Call + Set VB/IB (mesh) + Set Transform (Shader Constant) + Set Shader + Set Texture 0~7 + Set Blending + Set Z enable + ... SetPass Call (Material&Shader)

36. Objects : 10 Batches : 10 SetPass Calls : 1

37. Objects : 10 Batches : 10 SetPass Calls : 10

38. != Batches : 10 Batches : 10 Set Pass : 1 Set Pass : 10

39. Objects : 10 Batches : 10 SetPass Calls : 1

40. Device Batches Samsung Galaxy S2 85 Samsung Galaxy S3 178 Samsung Galaxy S4 215 Samsung Galaxy S5 260

41. 배칭(Batching) 을 봐주지 않겠나... (Draw Call) Batch & Set Pass (Culling)

42. Batch(in Rendering Statistics Window) = Draw Call + Setting Shader + Setting Blending + Setting Texture + Setting Vertex Buffer + ...

43. Batching = 1 batch for many objects

44. Material A Material B Batch s c e n e Batch

45. Batches : 10 batching-> Batch :1

46. Texture Atlas

47. 512 2048

48. Asset : Top-down Sci-Fi

49. Static Batching & Dynamic BatchingPlayer Settings

50. Static Batching

51. Dynamic Batching GPU Vertex/Index BufferScene

52. Dynamic Batching: 제약 사항 Overhead - Skinned Mesh - Vertex Mesh - position, normal, uv0 -> 300 - position, normal, uv0, uv1, tangent -> 180 - http://docs.unity3d.com/kr/current/Manual/DrawCallBatching.html

58. Modular Construction

59. Unity Frame Debugger

60. 동영상

61. 드로우콜 줄이기 를 봐주지 않겠나... (Draw Call) Batch & Set Pass (Batching) (Culling)

62. Batches : 32+ Realtime Shadow : X2+ batches Shadowmap

63. Shadow Plane Batches : 17(meshes:16 shadow:1)

64. Batches : 2 Multi-pass Shader

65. Draw Call & Light

67. 3 Pixel Lights = 3 Batches 3 SetPass Calls Tris * 3

68. Pixel Light : 3 x Mesh : 6 = Batch : 18

69. or

70. or

71. 컬링(Culling) 을 봐주지 않겠나... (Draw Call) Batch & Set Pass (Batching)

72. Frustum Culling

73. Occlusion Culling

75. Unity Manual : http://docs.unity3d.com/kr/current/Manual/OcclusionCulling.html

76. Example Asset : Top-Down Sci-Fi

77. Device : Galaxy Note4 Rez : 2560X1440 CPU : ARMv7 VFPv3(1.9GHz) GPU : Mali-760MP(0.6GHz) Shader : Custom Unlit Shader, Self-Illumin/Diffuse, Lightmap : 13 textures

78. Condition 1 - Batching : No - Occlusion Culling : No Condition 2 - Batching : Yes - Occlusion Culling : No Condition 3 - Batching : Yes - Occlusion Culling : Yes FPS(ms) 41(24.3) 50(20.0) 60(16.6) Batches 1365 157 94 SetPass Calls 134 142 81 Saved by Batching 0 1207 244 Tris 114.3K 114.3K 28.9K -4.3ms -3.4ms -1208 -63 -8 -61 -85.4K Note : - This is not the official data. - This is the rough test. Not the exact reference. - Keep in mind “case by case”

80. Player Settings V

81. Thank you [email protected] http://unite.unity3dkorea.com

82. 협찬:비엘북스

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