The LibreRT project aims to develop an advanced software stack encompassing high-level programming models, compilers and operating system, tailored for real-time and accelerated computing across the embedded systems continuum—from ultra-low-power microcontrollers to deep- and meta-edge devices with embedded GPUs. LibreRT propose a number of innovative solutions. Based on the SYCL standard, the LibreRT programming model builds on modern C++ semantics to target embedded GPUs; the SYCL semantics are extended with extensions for real-time and approximate computing (SYprox).  For the Operating System, LibreRT will target micro-edge devices with Miosix, an OS with higher responsivity and advanced scheduling support; deep- and meta-edge devices will rely on more traditional Linux distribution. Finally, an autotuning layer will introduce adaptive, self-tuned methods that tune the approximation accuracy to meet the real-time constraints.

LibreRT recevied financial support under the National Recovery and Resilience Plan (NRPP), call for tender No. 104 published on 02/02/2022 by the Italian Ministry of University and Research (MUR), funded by the European Union – Next Generation EU, Mission 4, Component 1, CUP D53D23008590001 and CUP and D53D23008600006.