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BP Efficiency Improvement #194

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merged 8 commits into from
Sep 3, 2024
Merged

BP Efficiency Improvement #194

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677d49b
Testing in-place vs out-of-place versions
JoeyT1994 Jul 10, 2024
bdf2b4d
avoid use of get
JoeyT1994 Jul 11, 2024
92f0f2c
Merge remote-tracking branch 'upstream/main' into BP_inplace
JoeyT1994 Jul 11, 2024
fc96369
Restore file
JoeyT1994 Jul 11, 2024
6d0bb52
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JoeyT1994 Jul 11, 2024
b5699e5
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JoeyT1994 Jul 11, 2024
e1e13ba
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JoeyT1994 Jul 11, 2024
22515ea
Use `get` again but with first argument
JoeyT1994 Jul 27, 2024
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14 changes: 8 additions & 6 deletions src/caches/beliefpropagationcache.jl
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Original file line number Diff line number Diff line change
Expand Up @@ -106,7 +106,8 @@ end

function message(bp_cache::BeliefPropagationCache, edge::PartitionEdge)
mts = messages(bp_cache)
return get(mts, edge, default_message(bp_cache, edge))
haskey(mts, edge) && return mts[edge]
return default_message(bp_cache, edge)
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end
function messages(bp_cache::BeliefPropagationCache, edges; kwargs...)
return map(edge -> message(bp_cache, edge; kwargs...), edges)
Expand Down Expand Up @@ -152,15 +153,16 @@ end
function environment(bp_cache::BeliefPropagationCache, verts::Vector)
partition_verts = partitionvertices(bp_cache, verts)
messages = environment(bp_cache, partition_verts)
central_tensors = ITensor[
tensornetwork(bp_cache)[v] for v in setdiff(vertices(bp_cache, partition_verts), verts)
]
central_tensors = factors(bp_cache, setdiff(vertices(bp_cache, partition_verts), verts))
return vcat(messages, central_tensors)
end

function factors(bp_cache::BeliefPropagationCache, verts::Vector)
return ITensor[tensornetwork(bp_cache)[v] for v in verts]
end

function factor(bp_cache::BeliefPropagationCache, vertex::PartitionVertex)
ptn = partitioned_tensornetwork(bp_cache)
return collect(eachtensor(subgraph(ptn, vertex)))
return factors(bp_cache, vertices(bp_cache, vertex))
end

"""
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