Change --optimizer default from "pso" to "tpe" since TPE has better sample efficiency in 25D spaces. Fix clippy let_underscore_must_use on CUDA sync tensor readback. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
Change --optimizer default from "pso" to "tpe" since TPE has better sample efficiency in 25D spaces. Fix clippy let_underscore_must_use on CUDA sync tensor readback. Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>