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clusterlin: add support for loading existing linearization (feature)

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This commit is contained in:
Pieter Wuille
2025-12-10 15:03:23 -05:00
parent da48ed9f34
commit 6a8fa821b8
2 changed files with 46 additions and 3 deletions
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22
src/test/fuzz/cluster_linearize.cpp
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@@ -1190,6 +1190,10 @@ FUZZ_TARGET(clusterlin_sfl)
InsecureRandomContext rng(rng_seed);
/** Whether to make the depgraph connected. */
const bool make_connected = flags & 1;
/** Whether to load some input linearization into the state. */
const bool load_linearization = flags & 2;
/** Whether that input linearization is topological. */
const bool load_topological = load_linearization && (flags & 4);
// Initialize SFL state.
if (make_connected) MakeConnected(depgraph);
@@ -1222,8 +1226,22 @@ FUZZ_TARGET(clusterlin_sfl)
last_diagram = std::move(diagram);
};
// Make SFL state topological.
sfl.MakeTopological();
if (load_linearization) {
auto input_lin = ReadLinearization(depgraph, reader, load_topological);
sfl.LoadLinearization(input_lin);
if (load_topological) {
// The diagram of the loaded linearization forms an initial lower bound on future
// diagrams.
last_diagram = ChunkLinearization(depgraph, input_lin);
} else {
// The input linearization may have been non-topological, so invoke MakeTopological to
// fix it still.
sfl.MakeTopological();
}
} else {
// Invoke MakeTopological to create an initial from-scratch topological state.
sfl.MakeTopological();
}
// Loop until optimal.
while (true) {