Research Article

Exploring Trade-Offs between Specialized Dataflow Kernels and a Reusable Overlay in a Stereo Matching Case Study

Table 2

Unrolling factors of synthesized kernels. Asterisks () mark unrolling that suffices to reach bandwidth limits. MaxKern denotes individual kernels; MaxFused denotes the integrated aggregation design; for the scanline phase, the same individual kernels are used.

Design MaxKern MaxFused

HorSum24 24 12
VerSum24 24 12
Scale24 24 12
HorDiff16 16 4
VerDiff24 24 12

Turn48 48
Scan12 12
SAvg12 12