> min cost flow can definitely be a CPU hog
Could that be GPU accelerated? Not my node machine has anything impressive on board: just what comes with the CPU.
Well, my zap to you from my CLN node already went through - unlike zaps to https://mempool.space/lightning/node/027cd974e47086291bb8a5b0160a889c738f2712a703b8ea939985fd16f3aae67e
Though I'm sure if that's a routing or an LND issue.
Discussion
Possibly, but there are many easy ways of optimizing it on the CPU first. Even trying a simple single payment while calculating a more sophisticated strategy.