Golaem CrowdHow we switched on the turbo button
Golaem CrowdApril 12, 2023
Sebastien MarauxGolaem SDK Lead Programmer
Golaem SDK
Crowd simulation middlewareUsed in Golaem Crowd
C++ software libraries
Animation
Navigation
Behaviors
Physics
April 12, 2023 Golaem Crowd
Golaem SDK: reference sample
Use-case simulationComplex navigation mesh500 charactersNo visualization
Performance indicatorTotal simulation time
April 12, 2023 Golaem Crowd
Golaem SDK: optimization
Optimization process using Intel VTune XEIdentify performance bottlenecksSave a performance profileOptimizeCompare optimized code with saved profile
April 12, 2023 Golaem Crowd
Golaem SDK: optimization
Intel VTune Amplifier XE
April 12, 2023 Golaem Crowd
Golaem SDK: optimization
Golaem SDK 3.0[42.9s]
Golaem SDK 2.7 [68.6s]
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8
1.6
1
mono-thread simulation performance,Intel VTune guided optimization
April 12, 2023 Golaem Crowd
Golaem SDK: multi-threading
Multi-threading using Intel TBBOS-independent ThreadsCondition variablesAtomic operationsConcurrent containers
April 12, 2023 Golaem Crowd
Golaem SDK: multi-thread results
April 12, 2023 Golaem Crowd
12T[6,9s]
6T[8,3s]
4T[11.7s]
2T[22.1s]
1T[42.9s]
0 1 2 3 4 5 6 7
6.13
5.15
3.64
1.94
1
MT simulation performance scaling, with Intel TBB
Golaem SDK: before/after Intel
April 12, 2023 Golaem Crowd
Golaem SDK 3.0[6.9s]
Golaem SDK 2.7[68.6s]
0 2 4 6 8 10 12
9.94
1
simulation performance, before and after Intel Vtune & TBB
Golaem Crowd: set up
Integration of the optimized Golaem SDK
Use-case simulationPlane for navigation mesh1000 characters3D visualization
Golaem Crowd code optimizationSame process using Intel VTune XE
April 12, 2023 Golaem Crowd
Golaem Crowd: MT performance
12T (6 HT)[27,3fps]
6T[20,3fps]
4T[15,3fps]
2T[8,2fps]
1T[4,4fps]
0 1 2 3 4 5 6 7
6.2
4.61
3.47
1.86
1
MT simulation performance, with previz
April 12, 2023 Golaem Crowd
Golaem Crowd: before/after Intel
April 12, 2023 Golaem Crowd
Golaem Crowd 2.0[50fps]
Golaem Crowd 1.4[2.8fps]
0 2 4 6 8 10 12 14 16 18 20
17.86
1
simulation performance, before and after Intel Vtune & TBB