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evaluator: add BridgeDeviceEvaluator
* Allow to deport the computation on the GPU, while using a CPU compatible solver. * add CUSOLVERRF in the dependencies * fix transpose in kernels
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
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| #= | ||
| BridgeEvaluator | ||
| =# | ||
| struct BridgeDeviceArrays{VT, MT} | ||
| u::VT | ||
| g::VT | ||
| cons::VT | ||
| v::VT | ||
| y::VT | ||
| w::VT | ||
| jv::VT | ||
| J::MT | ||
| H::MT | ||
| end | ||
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| function BridgeDeviceArrays(n::Int, m::Int, VT, MT) | ||
| BridgeDeviceArrays{VT, MT}( | ||
| VT(undef, n), | ||
| VT(undef, n), | ||
| VT(undef, m), | ||
| VT(undef, m), | ||
| VT(undef, m), | ||
| VT(undef, m), | ||
| VT(undef, n), | ||
| MT(undef, m, n), | ||
| MT(undef, n, n), | ||
| ) | ||
| end | ||
|
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| struct BridgeDeviceEvaluator{Evaluator, VT, MT, DVT, DMT} <: AbstractNLPEvaluator | ||
| inner::Evaluator | ||
| bridge::BridgeDeviceArrays{DVT, DMT} | ||
| end | ||
| function BridgeDeviceEvaluator(nlp::AbstractNLPEvaluator, device) | ||
| n, m = n_variables(nlp), n_constraints(nlp) | ||
| # Deporting device | ||
| VT = Array{Float64, 1} | ||
| MT = Array{Float64, 2} | ||
| if isa(nlp.model.device, CPU) | ||
| VTD = Array{Float64, 1} | ||
| MTD = Array{Float64, 2} | ||
| else | ||
| VTD = CUDA.CuArray{Float64, 1} | ||
| MTD = CUDA.CuArray{Float64, 2} | ||
| end | ||
| bridge = BridgeDeviceArrays(n, m, VTD, MTD) | ||
| return BridgeDeviceEvaluator{typeof(nlp), VT, MT, VTD, MTD}(nlp, bridge) | ||
| end | ||
| function BridgeDeviceEvaluator(case::String; device=KA.CPU()) | ||
| nlp = ReducedSpaceEvaluator(case) | ||
| return BridgeDeviceEvaluator(nlp, device) | ||
| end | ||
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| n_variables(nlp::BridgeDeviceEvaluator) = n_variables(nlp.inner) | ||
| n_constraints(nlp::BridgeDeviceEvaluator) = n_constraints(nlp.inner) | ||
| constraints_type(nlp::BridgeDeviceEvaluator) = constraints_type(nlp.inner) | ||
| has_hessian(nlp::BridgeDeviceEvaluator) = has_hessian(nlp.inner) | ||
| reset!(nlp::BridgeDeviceEvaluator) = reset!(nlp.inner) | ||
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| # Getters | ||
| get(nlp::BridgeDeviceEvaluator, attr::AbstractNLPAttribute) = get(nlp.inner, attr) | ||
| get(nlp::BridgeDeviceEvaluator, attr::AbstractVariable) = get(nlp.inner, attr) | ||
| get(nlp::BridgeDeviceEvaluator, attr::PS.AbstractNetworkAttribute) = get(nlp.inner, attr) | ||
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| function setvalues!(nlp::BridgeDeviceEvaluator, attr::PS.AbstractNetworkValues, values) | ||
| setvalues!(nlp.inner, attr, values) | ||
| end | ||
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| function bounds(nlp::BridgeDeviceEvaluator{Ev, VT, MT, DVT, DMT}, attr::AbstractNLPAttribute) where {Ev, VT, MT, DVT, DMT} | ||
| b♭, b♯ = bounds(nlp.inner, attr) | ||
| return b♭ |> VT, b♯ |> VT | ||
| end | ||
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| function initial(nlp::BridgeDeviceEvaluator{Ev, VT, MT, DVT, DMT}) where {Ev, VT, MT, DVT, DMT} | ||
| return initial(nlp.inner) |> VT | ||
| end | ||
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| function update!(nlp::BridgeDeviceEvaluator, u) | ||
| copyto!(nlp.bridge.u, u) | ||
| return update!(nlp.inner, nlp.bridge.u) | ||
| end | ||
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| objective(nlp::BridgeDeviceEvaluator, u) = objective(nlp.inner, nlp.bridge.u) | ||
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| function constraint!(nlp::BridgeDeviceEvaluator, cons, u) | ||
| constraint!(nlp.inner, nlp.bridge.cons, nlp.bridge.u) | ||
| copyto!(cons, nlp.bridge.cons) | ||
| return | ||
| end | ||
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| function gradient!(nlp::BridgeDeviceEvaluator, grad, u) | ||
| gradient!(nlp.inner, nlp.bridge.g, nlp.bridge.u) | ||
| copyto!(grad, nlp.bridge.g) | ||
| return | ||
| end | ||
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| function jtprod!(nlp::BridgeDeviceEvaluator, jv, u, v) | ||
| copyto!(nlp.bridge.v, v) | ||
| jtprod!(nlp.inner, nlp.bridge.jv, nlp.bridge.u, nlp.bridge.v) | ||
| copyto!(jv, nlp.bridge.jv) | ||
| return | ||
| end | ||
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| function jacobian!(nlp::BridgeDeviceEvaluator, jac, w) | ||
| jacobian!(nlp.inner, nlp.bridge.J, nlp.bridge.u) | ||
| copyto!(jac, nlp.bridge.J) | ||
| return | ||
| end | ||
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| function ojtprod!(nlp::BridgeDeviceEvaluator, jv, u, σ, v) | ||
| copyto!(nlp.bridge.v, v) | ||
| ojtprod!(nlp.inner, nlp.bridge.jv, nlp.bridge.u, σ, nlp.bridge.v) | ||
| copyto!(jv, nlp.bridge.jv) | ||
| return | ||
| end | ||
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| function hessprod!(nlp::BridgeDeviceEvaluator, hv, u, v) | ||
| copyto!(nlp.bridge.v, v) | ||
| hessprod!(nlp.inner, nlp.bridge.jv, nlp.bridge.u, nlp.bridge.v) | ||
| copyto!(hv, nlp.bridge.jv) | ||
| return | ||
| end | ||
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| function hessian!(nlp::BridgeDeviceEvaluator, H, u) | ||
| hessian!(nlp.inner, nlp.bridge.H, nlp.bridge.u) | ||
| copyto!(H, nlp.bridge.H) | ||
| return | ||
| end | ||
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| function hessian_lagrangian_penalty!(nlp::BridgeDeviceEvaluator, H, u, y, σ, w) | ||
| copyto!(nlp.bridge.w, w) | ||
| copyto!(nlp.bridge.y, y) | ||
| hessian_lagrangian_penalty!(nlp.inner, nlp.bridge.H, nlp.bridge.u, nlp.bridge.y, σ, nlp.bridge.w) | ||
| copyto!(H, nlp.bridge.H) | ||
| return | ||
| end | ||
|
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