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pmwd simulates and models cosmological evolutionary history. The code includes reverse time integration in addition to traditional forward simulation, enabling symmetrical dynamics analysis using the adjoint method. The pmwd particle-mesh model supports fully-differentiable analytic, semi-analytics, and deep learning components in parallel. Based on JAX (ascl:2111.002), pmwd is optimized for PU computation.
HIILines analytically models lines emitted by the ionized interstellar medium (ISM). It covers [OIII], [OII], Hα, and Hβ lines. The strength of HIILines is its high computational efficiency. It can be used for galaxy spectroscopic survey measurement interpolations assuming a one-zone picture and galaxy line emission measurement design and forecasts. HIILines also performs post-processing of hydrodynamical galaxy formation simulations for ISM emission lines.