Hi Ruochun, Thank you very much for the speedy and informative response. If/when I end up trying this, I will post any findings here. Apologies for another question, but has there been any parallelization testing on CPUs? If so, what were the results? Thanks in advance!
All the best, Jared On Thu, May 30, 2024 at 9:31 PM Ruochun Zhang <[email protected]> wrote: > Hi, > > Since you mentioned the GPUs on your desktop, I assume it's about the > GPU-based Chrono DEM tools. You should be able to simply run a couple of > them on parallel, but truthfully, about the throughput impact, we never > tested. > > My guess would be that on consumer GPUs, running 2 or 3 instances together > may slightly improve the throughput. On data center GPUs, running a small > number of instances may moderately improve the throughput. Again, this is a > guess and I am nore than interested in knowing your findings should you > test it out. > > Thank you, > Ruochun > > On Thu, May 30, 2024, 7:16 AM Jared Long-Fox <[email protected]> > wrote: > >> Hello all! I am working on a project in which I need to calibrate a model >> to experimental data. To do this, I need to run a parameter estimation >> algorithm such as Monte Carlo or a grid search to sweep across parameter >> values to determine which model parameters give the best fit to the data. >> >> However, such calibrations take hundreds to thousands of model runs. >> There are ways to reduce this, but I was originally planning on running >> multiple DEM models in parallel instead of in serial to speed the process >> up. Is it possible to run more than one Chrono model at once on a single >> machine such as my desktop workstation (assuming sufficient hardware, e.g., >> 2x NVIDIA 3090 GPUs)? If so, how much performance is sacrificed (if any)? >> >> Thank you all for the time, consideration, and insights on this! >> >> >> All the best, >> Jared Long-Fox >> >> -- >> You received this message because you are subscribed to the Google Groups >> "ProjectChrono" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/projectchrono/730e41ac-b7d2-40cd-96da-a5472f9cbc1cn%40googlegroups.com >> <https://groups.google.com/d/msgid/projectchrono/730e41ac-b7d2-40cd-96da-a5472f9cbc1cn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "ProjectChrono" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/projectchrono/CA%2BKNTTCdibymM3Wh8NbpW-YkMqwEwQ722%2B3AHFeX340qt7WVdg%40mail.gmail.com.
