Fix device resolution order

[mberr]

Resolving the device earlier can save multiple transfers of the adjacency matrix to the device.

[codecov-commenter]

Codecov Report

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@@           Coverage Diff           @@
##             main       #5   +/-   ##
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  Coverage        ?   79.56%           
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  Files           ?        4           
  Lines           ?      137           
  Branches        ?       25           
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  Hits            ?      109           
  Misses          ?       17           
  Partials        ?       11           

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