Tag
warp-divergence
- 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
- May 13, 2024 Issue-Limited Kernels and the Cost of Divergence When the instruction stream rather than the memory system sets the runtime, how warp divergence turns one instruction into several, and how to tell the two apart with counters. gpu computing