HLS Stream and Buffer Interfaces - HLS Stream and Buffer Interfaces - 2026.1 English - UG1864

Vitis Functional Simulation User Guide (UG1864)

Document_ID
UG1864
Release_Date
2026-06-23
Version
2026.1 English

This page explains how VFS simulates the two HLS kernel interface styles (hls::stream<T> and array / buffer) with particular focus on how each behaves when the input size is smaller than, equal to, or larger than the per-invocation size the kernel expects.