devitocodes/devito: v4.6

Changes API sympy: proper version check @mloubout (#1769) Examples examples: enforce stable space order for self adjoint op @mloubout (#1747) tests: add tti_setup to gradientJ test @ofmla (#1740) Compiler compiler: Add machinery for custom memory allocators and MPI @FabioLuporini (#1764) compiler: lift skewing in higher block levels @georgebisbas (#1735) compiler: Loop fission @FabioLuporini (#1732) compiler: improve HB generated code @georgebisbas (#1731) compiler: Introduce linearization pass @FabioLuporini (#1727) compiler: Introducing min/max bounds to replace 'bf' elemental functions @georgebisbas (#1673) MPI mpi: Speedup index_glb_to_loc @FabioLuporini (#1748) mpi: Mitigate SparseFunction setup costs @mloubout (#1720) GPU compiler: Add optimization option to fuse WithLocks tasks @FabioLuporini (#1736) Bug Fixes mpi: Patch neighborhood construction @FabioLuporini (#1768) compiler: Patch SubDomainSet with NVC @FabioLuporini (#1767) compiler: Patch and improve SubDomainSet @FabioLuporini (#1762) compiler: Fix zero to zero slices @rhodrin (#1757) bench: Patch jacobian operators + MPI (see issue #1744) @FabioLuporini (#1745) Benchmarking bench: Patch jacobian operators + MPI (see issue #1744) @FabioLuporini (#1745) bench: Add warmup option to run mode @FabioLuporini (#1742) Continuous Integration ci: Update Ubuntu versions @rhodrin (#1759) Installation install: Udpate to HPCSDK 21.7, Update to Jupyter>=3.0 @FabioLuporini (#1760) pip prod(deps): update distributed requirement from <2021.9 to <2021.10 @dependabot (#1749) pip prod(deps): update distributed requirement from <2021.8 to <2021.9 @dependabot (#1737) reqs: enforce pip>=21.1.2 for conda env installation @georgebisbas (#1734) reqs: pip new file arg format @georgebisbas (#1733) Misc misc: git ignore *.npy files @georgebisbas (#1729