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We present the Chevron optimization framework for imaging and inversion (COFII), an open-source framework for seismic modelling and inversion written in the Julia language that is designed to be easy to use in both cloud and traditional high-performance computing (HPC) environments.
We will demonstrate that this framework includes the tools needed for high-performance finite difference modelling, full waveform inversion (FWI), and reverse time migration (RTM). We also describe how these tools can be easily adapted to run in the Microsoft Azure cloud. While the examples we show are small 2D experiments, the tooling has been used at scale for large production 3D surveys.