Performance Study of Sustained Petascale Direct Numerical Simulation on Cray XC40 Systems (Trinity, Shaheen2 and Cori)

Keyphrases

• Direct numerical Simulation 100%
• Performance Study 100%
• Petascale 100%
• Cray XC40 100%
• Cori 100%
• Programming Environments 66%
• Parallel File System 66%
• KAUST 33%
• High Efficiency 33%
• Vector Operation 33%
• Very High-order 33%
• Single Node 33%
• Small Matrices 33%
• Single Precision 33%
• Extreme Scale 33%
• Memory Bandwidth 33%
• Matrix multiplication 33%
• Nek5000 33%
• Spectral Element Method 33%
• High-order Spectral Elements 33%
• Network Configuration 33%
• Comprehensive Performance 33%
• Haswell 33%
• Cray 33%
• Time-to-solution 33%
• Secondary Flow 33%
• NERSC 33%
• Matrix Key 33%
• Petascale Performance 33%
• Peak Memory 33%
• Node Efficiency 33%
• Precision Evaluation 33%
• Environmental Networks 33%
• Burst Buffer 33%

Computer Science

• Performance Study 100%
• Programming Environment 100%
• Parallel File System 100%
• Numerical Simulation 100%
• Vector Operation 50%
• Input/Output 50%
• Single Precision 50%
• Network Configuration 50%
• Matrix Multiply 50%
• Optimized Version 50%
• Memory Bandwidth 50%

Engineering

• Direct Numerical Simulation 100%
• Nodes 100%
• File System 40%
• Element Method 20%
• Network Environment 20%
• Memory Bandwidth 20%
• Secondary Flow 20%