SC10 Video Submission PIConGPU

PIConGPU

This is a relativistic particle-in-cell simulation of laser particle acceleration in an underdense hydrogen plasma.
We use our new tiling memory model to speed up particle in cell simulations on gpus.

Simulation data:
- 4 x 4 GPUs (4xTesla S1070 an 4 nodes)
- 1920x6016 cells, cell size 4.16e-8 m x 6.24e-8 m, 2 electron and 22 ion per cell (random position in cell)
- one iteration simulates 1.6e-17 s
- sliding window (enhanced simulation area)
- every 50th iteration dumped as visualization image for this video
- 100.001 simulated iterations

Summary:
- particles at start = 233 mill. electron + 233 mill. ion = 466.252.800 makro particles
- simulation run 3 h 44 min 28 s = 13468 s (inclusive image duming from 4 nodes to one shared SATA harddisk)
- we use a sliding window to enlarge the simulation area therefore we had 254.186.207 electron at the end of simulation

Legend:
- Green = Laser
- Red = density of electrons
- Blue = kinetic energy of the fastest makro particle in a cell (light blue is more energy)

More Informations:
- http://saahpc.ncsa.illinois.edu/papers/paper_10.pdf

Category:

Science & Technology

Tags:

• Particle-in-Cell
• GPUs
• Cluster