Example using nx dispatch hooks (WIP) to print timing

[eriknw]

Companion to networkx/networkx#7765, which adds runtime dispatch hooks to networkx.

Example output:

>>> pr = nx.pagerank(nx.complete_graph(1000))
'networkx' backend ran empty_graph in 0.00101 seconds
'networkx' backend ran complete_graph in 0.295 seconds
'networkx' backend ran to_scipy_sparse_array in 0.591 seconds
'networkx' backend ran pagerank in 0.6 seconds

>>> pr = nx.pagerank(nx.complete_graph(1000), backend="cugraph")
'networkx' backend ran empty_graph in 0.000839 seconds
'networkx' backend ran complete_graph in 0.296 seconds
'cugraph' backend ran pagerank in 0.0625 seconds

>>> pr = nx.pagerank(nx.complete_graph(1000, backend="cugraph"))
'cugraph' backend ran complete_graph in 0.00999 seconds
'cugraph' backend ran pagerank in 0.0264 seconds

This is super-basic to begin with. Let's try to find somebody who would want to create (and maintain) a fancier profiling backend.

[copy-pr-bot]

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