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Add support for Adapt which enables converting tensor networks to GPU (…
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…#187)

* Add support for Adapt which enables converting tensor networks to GPU

* Bump to v0.11.13
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@mtfishman
mtfishman authored May 30, 2024
1 parent 4efceb8 commit b4659b9
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6 changes: 5 additions & 1 deletion Project.toml
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name = "ITensorNetworks"
uuid = "2919e153-833c-4bdc-8836-1ea460a35fc7"
authors = ["Matthew Fishman <mfishman@flatironinstitute.org>, Joseph Tindall <jtindall@flatironinstitute.org> and contributors"]
version = "0.11.12"
version = "0.11.13"

[deps]
AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
Expand Down Expand Up @@ -36,19 +36,22 @@ TimerOutputs = "a759f4b9-e2f1-59dc-863e-4aeb61b1ea8f"
TupleTools = "9d95972d-f1c8-5527-a6e0-b4b365fa01f6"

[weakdeps]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
EinExprs = "b1794770-133b-4de1-afb4-526377e9f4c5"
GraphsFlows = "06909019-6f44-4949-96fc-b9d9aaa02889"
OMEinsumContractionOrders = "6f22d1fd-8eed-4bb7-9776-e7d684900715"
Observers = "338f10d5-c7f1-4033-a7d1-f9dec39bcaa0"

[extensions]
ITensorNetworksAdaptExt = "Adapt"
ITensorNetworksEinExprsExt = "EinExprs"
ITensorNetworksGraphsFlowsExt = "GraphsFlows"
ITensorNetworksOMEinsumContractionOrdersExt = "OMEinsumContractionOrders"
ITensorNetworksObserversExt = "Observers"

[compat]
AbstractTrees = "0.4.4"
Adapt = "4"
Combinatorics = "1"
Compat = "3, 4"
DataGraphs = "0.2.3"
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julia = "1.10"

[extras]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
EinExprs = "b1794770-133b-4de1-afb4-526377e9f4c5"
GraphsFlows = "06909019-6f44-4949-96fc-b9d9aaa02889"
OMEinsumContractionOrders = "6f22d1fd-8eed-4bb7-9776-e7d684900715"
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14 changes: 14 additions & 0 deletions ext/ITensorNetworksAdaptExt/ITensorNetworksAdaptExt.jl
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module ITensorNetworksAdaptExt
using Adapt: Adapt, adapt
using ITensorNetworks: AbstractITensorNetwork, map_vertex_data_preserve_graph
function Adapt.adapt_structure(to, tn::AbstractITensorNetwork)
# TODO: Define and use:
#
# @preserve_graph map_vertex_data(adapt(to), tn)
#
# or just:
#
# @preserve_graph map(adapt(to), tn)
return map_vertex_data_preserve_graph(adapt(to), tn)
end
end
1 change: 1 addition & 0 deletions test/Project.toml
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[deps]
AbstractTrees = "1520ce14-60c1-5f80-bbc7-55ef81b5835c"
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
Compat = "34da2185-b29b-5c13-b0c7-acf172513d20"
DataGraphs = "b5a273c3-7e6c-41f6-98bd-8d7f1525a36a"
Dictionaries = "85a47980-9c8c-11e8-2b9f-f7ca1fa99fb4"
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5 changes: 5 additions & 0 deletions test/test_ext/Project.toml
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[deps]
Adapt = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
ITensorNetworks = "2919e153-833c-4bdc-8836-1ea460a35fc7"
ITensors = "9136182c-28ba-11e9-034c-db9fb085ebd5"
NamedGraphs = "678767b0-92e7-4007-89e4-4527a8725b19"
23 changes: 23 additions & 0 deletions test/test_ext/test_itensornetworksadaptext.jl
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@eval module $(gensym())
using Adapt: Adapt, adapt
using NamedGraphs.NamedGraphGenerators: named_grid
using ITensorNetworks: random_tensornetwork, siteinds
using ITensors: ITensors
using Test: @test, @testset

struct SinglePrecisionAdaptor end
single_precision(::Type{<:AbstractFloat}) = Float32
single_precision(type::Type{<:Complex}) = complex(single_precision(real(type)))
Adapt.adapt_storage(::SinglePrecisionAdaptor, x) = single_precision(eltype(x)).(x)

@testset "Test ITensorNetworksAdaptExt (eltype=$elt)" for elt in (
Float32, Float64, Complex{Float32}, Complex{Float64}
)
g = named_grid((2, 2))
s = siteinds("S=1/2", g)
tn = random_tensornetwork(elt, s)
@test ITensors.scalartype(tn) === elt
tn′ = adapt(SinglePrecisionAdaptor(), tn)
@test ITensors.scalartype(tn′) === single_precision(elt)
end
end

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Registration pull request created: JuliaRegistries/General/107974

Tip: Release Notes

Did you know you can add release notes too? Just add markdown formatted text underneath the comment after the text
"Release notes:" and it will be added to the registry PR, and if TagBot is installed it will also be added to the
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Release notes:

## Breaking changes

- blah

To add them here just re-invoke and the PR will be updated.

Tagging

After the above pull request is merged, it is recommended that a tag is created on this repository for the registered package version.

This will be done automatically if the Julia TagBot GitHub Action is installed, or can be done manually through the github interface, or via:

git tag -a v0.11.13 -m "<description of version>" b4659b93f643c0c0524061940e50746fd7abf486
git push origin v0.11.13

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