Explore the CPU and GPU performance of batched code in this 47-minute conference talk presented by Ye Luo from Argonne National Laboratory at the QMCPACK Workshop 2023. Gain insights into the latest developments and optimizations in quantum Monte Carlo simulations, focusing on the computational efficiency of batched algorithms across different hardware architectures. Delve into the performance analysis, benchmarking results, and potential improvements for QMCPACK's implementation on both CPUs and GPUs. Learn about the challenges and solutions in scaling quantum Monte Carlo calculations for high-performance computing environments.