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Cache Radau Tableaus #2552

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merged 2 commits into from
Dec 5, 2024
+24 −276
Merged

Cache Radau Tableaus #2552

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2d0664e
cache tableaus
Shreyas-Ekanathan Dec 5, 2024
81f6fc3
fix tests
Shreyas-Ekanathan Dec 5, 2024
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18 changes: 4 additions & 14 deletions lib/OrdinaryDiffEqFIRK/src/firk_caches.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -518,18 +518,13 @@ function alg_cache(alg::AdaptiveRadau, u, rate_prototype, ::Type{uEltypeNoUnits}
end
num_stages = min_stages

tabs = [RadauIIATableau5(uToltype, constvalue(tTypeNoUnits)), RadauIIATableau9(uToltype, constvalue(tTypeNoUnits)), RadauIIATableau13(uToltype, constvalue(tTypeNoUnits))]
i = max(min_stages, 9)
while i <= max_stages
push!(tabs, RadauIIATableau(uToltype, constvalue(tTypeNoUnits), i))
i += 2
end
tabs = [RadauIIATableau(uToltype, constvalue(tTypeNoUnits), i) for i in min_stages:2:max_stages]
cont = Vector{typeof(u)}(undef, max_stages)
for i in 1:max_stages
cont[i] = zero(u)
end

index = min((min_stages - 1) ÷ 2, 4)
index = 1

κ = alg.κ !== nothing ? convert(uToltype, alg.κ) : convert(uToltype, 1 // 100)
J = false .* _vec(rate_prototype) .* _vec(rate_prototype)'
Expand Down Expand Up @@ -602,14 +597,9 @@ function alg_cache(alg::AdaptiveRadau, u, rate_prototype, ::Type{uEltypeNoUnits}
end
num_stages = min_stages

tabs = [RadauIIATableau5(uToltype, constvalue(tTypeNoUnits)), RadauIIATableau9(uToltype, constvalue(tTypeNoUnits)), RadauIIATableau13(uToltype, constvalue(tTypeNoUnits))]
i = max(min_stages, 9)
while i <= max_stages
push!(tabs, RadauIIATableau(uToltype, constvalue(tTypeNoUnits), i))
i += 2
end
tabs = [RadauIIATableau(uToltype, constvalue(tTypeNoUnits), i) for i in min_stages:2:max_stages]

index = min((min_stages - 1) ÷ 2, 4)
index = 1

κ = alg.κ !== nothing ? convert(uToltype, alg.κ) : convert(uToltype, 1 // 100)

Expand Down
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