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brusselator.jl's Issues

calcN! optimization

@glwagner any ideas to better optimize calcN!?

Brusselator.jl/src/Brusselator.jl

Lines 93 to 110 in 903fbbe

function calcN!(N, sol, t, clock, vars, params, grid)
@. vars.uh = sol[:, 1]
@. vars.vh = sol[:, 2]
ldiv!(vars.u, grid.rfftplan, vars.uh)
ldiv!(vars.v, grid.rfftplan, vars.vh)
@. vars.vu² = vars.v * vars.u^2
mul!(vars.vu²h, grid.rfftplan, vars.vu²)
@views @. N[:, 1] = + vars.vu²h - (params.B + 1) * sol[:, 1] # + v*u² - (B+1) u
N[1, 1] += params.E * grid.nx # note that fft(constant) = constant * nx
@views @. N[:, 2] = - vars.vu²h + params.B * sol[:, 1] # - v*u² + B*u
return nothing
end

GPUify

We should make sure that Brusselator runs smoothly and efficiently on a GPU.

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