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Virtual LANS Seminar: Navjot Kukreja
April 29, 2020 @ 10:30 CDT
Seminar Title: Full Waveform Inversion with a Finite Difference DSL
Speaker: Navjot Kukreja, PhD Student, Imperial College London
Date/Time: 2020-04-29 10:30
Location: Virtual
Description:
In this talk I discuss Full Waveform Inversion as an example of large adjoint problems. This problem is relevant in seismic and medical imaging. I will discuss this in the context of Devito, a domain-specific language for automatically generating high-performance finite-difference solvers. Additionally, I will make deep dives into the implementation of automatic differentiation for this DSL, as well as the use of lossy compression to accelerate these computations.