Hi all,
Here are the minutes from today’s CarpetX Call:
Present: Liwei, Roland, Steve, Lucas, Cheng-Hsin, Yosef, Allen, Helvi, Swapnil,
Zach, Erik
Liwei
Optimized the subcycling implementation in CarpetX, acchieving better
performance compared to Carpet
Roland
Working on adding a Z4c test
Lucas
Tuning the parameter within the hybrid RK integrator to achieve larger CFL
factors (7x faster already compared to the traditional RK method)
Trying to evolve BBH simulations on Multipatch grids using CanudaX
PR on NewRadX is almost ready
Cheng-Hsin
Successfully compiled CanudaX on Bridges-2, which features V100 GPUs. Next
steps include testing and profiling its performance
Based on the tests on Delta, CanudaX is slightly faster then Z4c, but still
comparable (~1.5 M/h on 1 GPU node, with qc0).
Jay
Installing Fuka on Frontier to test the optimized subcycling implementation
with BNS simulations
Swapnil
A colleague is interested in porting their nucleosynthesis code to CarpetX
Zach
BHaHAHA is working with ETK, doing some final performance and accuracy tests
Steve
Progress on generating BSSN with NRPy+ for CarpetX
Erik
Investigating an issue where the compiler struggles with accessing grid
functions using foo(p.I), particularly when an object file is provided.
Regards,
Liwei
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