Tag
barriers
- Apr 1, 2026 Block Barriers and Divergent Synchronization What __syncthreads() actually orders within a block, why a barrier reached by only some threads is undefined, and how warp-level primitives replace it where blocks are too coarse. gpu computing
- Nov 2, 2025 The Natural Proofs Barrier and Why Circuit Lower Bounds Stall What makes a lower-bound argument natural, why such arguments cannot separate P from NP unless factoring is easy, and which techniques escape the barrier. computation theory
- Nov 1, 2024 Oracles, Relativization, and the Limits of Diagonalization How adding an oracle changes what a proof can see, why there are oracles that collapse P and NP and oracles that separate them, and what that implies for any argument that treats machines as black boxes. computation theory