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Some serialization of schemes #4110

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HechtiDerLachs
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Intermediate state of the art of our joint effort with @antonydellavecchia this week.

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codecov bot commented Sep 18, 2024

Codecov Report

Attention: Patch coverage is 95.55556% with 10 lines in your changes missing coverage. Please review.

Project coverage is 84.71%. Comparing base (9575e9a) to head (7ac8e7d).

Files with missing lines Patch % Lines
...metry/Schemes/PrincipalOpenSubset/Objects/Types.jl 30.00% 7 Missing ⚠️
src/Serialization/MPolyMap.jl 66.66% 2 Missing ⚠️
...braicGeometry/Schemes/Gluing/LazyGluing/Methods.jl 80.00% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##           master    #4110      +/-   ##
==========================================
+ Coverage   84.67%   84.71%   +0.03%     
==========================================
  Files         626      627       +1     
  Lines       83980    84176     +196     
==========================================
+ Hits        71108    71306     +198     
+ Misses      12872    12870       -2     
Files with missing lines Coverage Δ
experimental/Schemes/src/Auxiliary.jl 94.20% <100.00%> (ø)
...perimental/Schemes/src/CoveredProjectiveSchemes.jl 88.30% <100.00%> (ø)
...y/Schemes/CoveredSchemes/Morphisms/Constructors.jl 95.45% <100.00%> (ø)
...Geometry/Schemes/CoveredSchemes/Objects/Methods.jl 94.70% <100.00%> (ø)
...raicGeometry/Schemes/Covering/Morphisms/Methods.jl 98.64% <100.00%> (ø)
...ebraicGeometry/Schemes/Covering/Objects/Methods.jl 81.19% <100.00%> (+0.08%) ⬆️
...gebraicGeometry/Schemes/Gluing/LazyGluing/Types.jl 100.00% <100.00%> (ø)
src/AlgebraicGeometry/Schemes/Gluing/Methods.jl 95.52% <100.00%> (ø)
.../AlgebraicGeometry/Schemes/Sheaves/IdealSheaves.jl 80.49% <100.00%> (ø)
...Geometry/ToricVarieties/ToricSchemes/attributes.jl 67.39% <100.00%> (ø)
... and 6 more

Comment on lines 36 to 41
@check begin
d = prod(length(f) > 0 ? f : one(OO(X)))
U = spec(R)
U == hypersurface_complement(X, d)
end
return new{base_ring_type(X), ring_type(U), typeof(X)}(X, U, lifted_numerator.(f))
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@simonbrandhorst simonbrandhorst Sep 19, 2024

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this looks fishy to me. U is not defined if check=false

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You're right. I'll look into this.

Comment on lines 30 to 48
@testset "parallel smoothness test for schemes" begin
channels = Oscar.params_channels(Union{AffineScheme, Ring})

IP2 = projective_space(QQ, [:x, :y, :z])
S = homogeneous_coordinate_ring(IP2)
(x, y, z) = gens(S)

I = ideal(S, y^2*z + x^3 + x^2*z)

X, _ = sub(IP2, I)
X_cov = covered_scheme(X)
U = affine_charts(X_cov)
for a in U
Oscar.put_params(channels, ambient_coordinate_ring(a))
Oscar.put_params(channels, OO(a))
end
results = pmap(is_smooth, U)
@test results == [1, 1, 0]
end
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@afkafkafk13
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Can we merge #4121 first and then get a better view on what's going on here? It seems that this is built on top of the other.

@HechtiDerLachs
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@antonydellavecchia : I did another implementation which broadcasts all rings to all workers using put_params. That seems to work. With the new smoothness test implementation we verify smoothness of @wdecker's surface in roughly 35 seconds on my machine with three workers.

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5 participants