HST Demo

Estimate the HST envelope for a workload shape, then compare it against a bounded synthetic run with the same pattern.

curl '/api/demo?rows=60000&cols=60000&tile_width=32&active_col_tiles=4&reuse_steps=8&fill=0.45&pattern=tile-local'

For the scheduler-fronted GPU insertion point, request the exact ArrayFire CSC delta path with HST grouped dispatch metadata.

curl '/api/demo?rows=60000&cols=60000&tile_width=32&active_col_tiles=4&reuse_steps=8&fill=0.45&pattern=tile-local&backend=arrayfire-csc-delta&scheduler_mode=hst-fronted'