💫 Oceananigans v0.9.2

v0.9.2 (2019-08-07)

Diff since v0.9.1

Closed issues:

• Register Oceananigans v0.9.1 (#331)

Merged pull requests:

• Kernel for setting initial conditions so set_ic! runs fast on GPUs (#337) (ali-ramadhan)
• Pearson vortex test (#336) (ali-ramadhan)
• Halo regions + boundary conditions overhaul and bug fixes (#329) (glwagner)

🌀 Oceananigans v0.9.1

v0.9.1 (2019-08-05)

Diff since v0.9.0

Main bug fix:

• Value/Dirchlet boundary conditions are properly imposed.

Closed issues:

• Register Oceananigans v0.9.0 (#318)
• Docker file for easy installation and CI testing (#151)
• Implementing closures for large eddy simulation (#120)

Merged pull requests:

• Pearson vortex test (#336) (ali-ramadhan)
• Minor code simplifications (#325) (glwagner)
• Nuke stale CPU/GPU environments (#323) (ali-ramadhan)
• Fix calculation of Value boundary conditions (#322) (ali-ramadhan)
• Use COPY in Dockerfile to always build current branch (#321) (ali-ramadhan)
• Switch GPUifyLoops back to regular package (#320) (ali-ramadhan)
• Add Docker badge (#319) (ali-ramadhan)
• Fix calculation of Value boundary conditions (#317) (ali-ramadhan)
• Dockerfile for Oceananigans (#316) (ali-ramadhan)

⚡ Oceananigans v0.9.0

v0.9.0 (2019-07-31)

Diff since v0.8.0

Main feature:

• Turbulence closures for large-eddy simulation (constant Smagorinsky and anisotropic minimum dissipation) by @glwagner.

Closed issues:

• Register Oceananigans v0.8.0 (#305)
• Linear equation of state should be upgraded to account for salinity and pressure. (#20)

Merged pull requests:

• Sandbox scripts for Large eddy simulation (#315) (glwagner)
• Pre-computed turbulent diffusivities (#312) (glwagner)
• [WIP] Integrate LES functionality (#309) (glwagner)
• Be more concrete (#282) (ali-ramadhan)

🍺 Oceananigans v0.8.0

v0.8.0 (2019-06-30)

Diff since v0.7.0

Main features:

• Dynamic launch configuration for GPU kernels (by @maleadt at GPU hackathon). This speeds up the model by ~25%.
• Revised simulation scripts.

Closed issues:

• Register Oceananigans v0.7.0 (#299)
• Portable random number generator for testing. (#176)

Merged pull requests:

• Hydrothermal plumes simulation v2 (#304) (ali-ramadhan)
• Idealized seasonal cycle simulation v2 (#303) (ali-ramadhan)
• Faster model with dynamic launch configuration by @maleadt (#302) (ali-ramadhan)
• Eddying channel script (#301) (ali-ramadhan)
• More benchmarks (#300) (ali-ramadhan)
• Link to Simon Danisch's notebook for plotting GPU output with Makie (#296) (ali-ramadhan)

📺 Oceananigans v0.7.0

v0.7.0 (2019-06-28)

Diff since v0.6.2

Main features:

• Support for channel geometries.
• Wizard utility for adaptive time stepping.

Closed issues:

• What is the purpose of the (#286)
• Register Oceananigans v0.6.2 (#274)
• Development milestones and order? (#207)
• Adaptive time stepping (#189)
• Further system testing and checking for float precision issues. (#168)
• Codecov and Coveralls coverage statistics do not account for GPU tests. (#138)
• Channel (#100)
• Appveyor CI is SO slow. (#89)
• Possible to have CPU-specific Project/Manifest and a GPU-specific one? (#79)
• More general CUDA thread block layout. (#64)
• Refactor diagnostics framework? (#43)

Merged pull requests:

• Adaptive time stepping through wizardry (#297) (ali-ramadhan)
• Reentrant channel model, for real this time (+ lots of cleanup) (#290) (ali-ramadhan)
• Benchmarking turbulence closures (#289) (ali-ramadhan)
• Explicit default boundary conditions (#288) (ali-ramadhan)
• Delete model_configuration.jl (#281) (ali-ramadhan)
• Only run Appveyor builds on x64. (#279) (ali-ramadhan)
• Update GitLab CI to run GPU code coverage (#278) (ali-ramadhan)
• Add James and Tim to dev team (#277) (ali-ramadhan)
• Polishing docs (#256) (navidcy)

🎬 Oceananigans v0.6.2

v0.6.2 (2019-06-05)

Diff since v0.6.1

Closed issues:

• Register Oceananigans v0.6.1 (#269)

Merged pull requests:

• No more scalar ops in NaN checker and NetCDF output writer (#273) (ali-ramadhan)
• Revert "Be more concrete" (#272) (ali-ramadhan)
• Be more concrete (#263) (glwagner)

🚏 Oceananigans v0.6.1

v0.6.1 (2019-06-04)

Diff since v0.6.0

Closed issues:

• CPU example in README.md fails (#267)
• Register Oceananigans v0.6.0 (#265)

Merged pull requests:

• Fill halo regions on CuArrays instead of OffsetArrays (#268) (ali-ramadhan)
• Update rising thermal bubble examples in README and docs (#266) (ali-ramadhan)

👼🏽 Oceananigans v0.6.0

v0.6.0 (2019-06-04)

Diff since v0.5.4

Main features:

• Halo regions to enforce the doubly periodic boundary conditions.
• Flow is incompressible to machine precision at every time step.
• Introduction of turbulence closures by @glwagner but they still need to be integrated.

Closed issues:

• Can't run examples (#254)
• Unsupported dynamic function invocation (#248)
• Register Oceananigans v0.5.4 (#235)
• Choose 2-4 examples that are always updated and improved. (#221)
• Boundary condition names should be top and bottom for z (#213)
• GPU Poisson solver tests (#200)
• Running with Float32 is slower than Float64 on CPUs (#188)
• Checkpointer cannot restore when using fields with OffsetArrays. (#177)
• Dirchlet/Value boundary conditions at the top and bottom. (#166)
• Profiling Oceananigans (#162)
• Checkpointer cannot serialize functions to disk with JLD. (#141)
• We can reduce memory usage in the Poisson solver by a factor of 2. (#122)
• Implement halo regions. (#104)
• Expressing equations as the sum of a linear and a nonlinear operator. (#95)
• Ideas for abstractions. (#70)
• Includes at the module level cannot have circular dependencies. (#69)
• Use multiple dispatch to control Poisson solver (#45)
• Use correct data types in CPU/GPU shared kernels. (#34)

Merged pull requests:

• No more scalar operations on CuArrays. (#264) (ali-ramadhan)
• Fix examples to account for halos (#257) (ali-ramadhan)
• Move back example utils (#255) (ali-ramadhan)
• Halo regions v2: filling halos and faster operations (#253) (ali-ramadhan)
• Fix implicit type conversions in Adams-Bashforth update kernel (#252) (glwagner)
• Halo regions v2: switching to offset arrays (#250) (ali-ramadhan)
• Small cosmetic fixes. (#247) (ali-ramadhan)
• Test that the GPU Poisson solver solution is numerically divergence-free (#246) (ali-ramadhan)
• Use stress divergence and diffusive flux divergence from Turbulence Closures (#245) (glwagner)
• Update packages (#244) (ali-ramadhan)
• Properly calculate RHS for pressure equation on GPU. (#243) (ali-ramadhan)
• Bugfix in Model constructor (#241) (glwagner)
• Rayleigh-Benard regression test with forcing and passive tracer (#239) (glwagner)
• Adds Value Boundary Condition (BC), improves BC function signatures, GPU BC tests (#237) (glwagner)
• Turbulence closures --- wow! (#234) (glwagner)

⚽ Oceananigans v0.5.4

What's new

• Velocity field is now divergence-free to machine precision during time stepping. #161 #228 #229
• Fixed bug in how the Coriolis term was calculated. #215 @jm-c
• Internal wave test and example. #229 @glwagner
• Incompressibility test #226
• Analytic solution reconstruction test for Poisson solver. #227
• Adapted BoundaryConditions with AbstractArray to play nice with CUDA.
• Coriolis parameter can be set via latitude.
• Planetary constants for Europa and Enceladus.

🐧 Oceananigans v0.5.3

What's new

• Updated versions of CUDA dependencies.
• Free convection, wind stress, and mixed layer seasonal cycle examples.
• Added actual CPU and GPU examples to README and documentation.
• Updated 3D contourf plotting script to also plot vertical profile diagnostics.
• New wind stress and free convection with wind stress movies.
• Added performance benchmark plots in README.
• Added development team section to README.