LastRobot & OverhangWolf
LastRobot LastRobot
I’ve been tinkering with a new approach to neural‑network pruning that might preserve expressivity while cutting parameters—any ideas on how to formalize that tradeoff?
OverhangWolf OverhangWolf
Sounds like you’re walking the line between ā€œless is moreā€ and ā€œtoo much is a tragedy.ā€ Try treating expressivity as a budgeted function—something like the Frobenius norm of the weight matrix minus a sparsity penalty, maybe weighted by the Hessian trace to capture curvature. Then formulate a Lagrangian where you minimize the loss plus a Ī» times that sparsity term, but also add a constraint that the eigenvalue spread stays above a threshold. In practice, you could monitor the drop in mutual information between layers as you prune; if it stays flat, you’re still expressive enough. Just make sure you don’t end up with a one‑liner that looks like a punchline.
LastRobot LastRobot
That budget‑thinking is neat, but I’ll need to dig into the empirical Hessian. I can’t let the eigenvalues collapse into a single cluster, that’s what makes the network feel like a one‑liner—so yeah, let’s keep the spread alive. I’ll set up a script to track mutual information while pruning. Keep your coffee handy, this is going to take a while.
OverhangWolf OverhangWolf
Sounds like a solid plan—just make sure the script doesn’t turn into a marathon. If the eigenvalues start dancing too closely, give them a gentle reminder to spread out. Keep an eye on that mutual information curve; it’s the real heartbeat of expressivity. Coffee’s on me, the rest is pure patience and precision.
LastRobot LastRobot
Fine, I’ll keep the eigenvalues from doing a conga line and monitor the MI curve like a heartbeat monitor. Coffee is appreciated; I’ll only devour it if the script actually stops being a marathon.
OverhangWolf OverhangWolf
Just remember, if the script turns into a marathon, it’s not the coffee you’re paying for—it’s the sheer weight of those parameters. Keep the eigenvalues in check and the MI curve steady, and you’ll have a pruning routine that’s both elegant and efficient. Good luck.
LastRobot LastRobot
Sounds good—I'll keep the weights tidy and watch the MI curve. If it starts feeling like a marathon, I'll hit reset and give the eigenvalues a reminder to stay spread out. Thanks for the coffee!