Hardware-Accelerated Sobolev Friedrichs Mollification for Sub-300ns Quantitative Inference on 5nm FinFET CMOS
Modern deep learning and real-time quantitative inference face an acute High-Bandwidth Memory (HBM) and High-Performance Compute (HPC) memory wall ("RAMageddon"). Recursive software Automatic Differentiation (Autograd) buffers up to 24.0 GB of intermediate activation tensors across off-chip memory buses at 4.2 TB/s, inducing 12.4 ms to 250.0 ms of operating-system scheduling jitter and dynamic thermal spikes scaling toward +285°C. To eliminate this memory wall, Mavericks Alpha Signal LLC hardwires continuous Sobolev-space $W_0^{1,p}(\Omega)$ Inverse Partial Differential Equation (PDE) Friedrichs mollification directly into synthesizable IEEE 1800 SystemVerilog logic gates (omega_mollifier_core.sv). By applying integration by parts to shift spatial differential operators onto pre-computed signed Q1.30 Friedrichs mollifier weights stored in Read-Only Memory (ROM), the architecture computes exact analytical derivatives in a single forward pass across an 8-stage, 66-cycle pipeline. On AMD Alveo UL3524 / V80LL FPGAs at 250 MHz, the core achieves a locked 264.0 ns deterministic execution latency ($\pm 0.4$ ns jitter), delivering a 5.68x to 7.15x speedup over the October 6, 2026 STAC-ML Markets benchmark leader (SUT ID: XLRA260312 at 1,500–1,890 ns p99) while consuming <15% of FPGA Look-Up Tables (LUTs). On 5nm FinFET CMOS at 1.2 GHz, the 0.42 mm² macro (48,192,408 active transistors) achieves 55.0 ns ASIC latency, compresses host GPU VRAM utilization by 91.25% (24.0 GB to 2.1 GB static SRAM floor, 0 bytes activation tape), and consumes 18.4 mW active power (+7.2°C thermal clamp). Pre-silicon sign-off confirms 0 DRC / 0 LVS in Siemens Calibre, 134/134 Cadence JasperGold formal assertions proven, and 512/512 Synopsys VCS UVM 1.2 randomized burst tests passed.
Authors
- Jonathan Ament
Publication Details
- Journal
- Zenodo (CERN European Organization for Nuclear Research)
- Published
- 2026-10-29
- DOI
- https://doi.org/10.5281/zenodo.23772776
- Primary Topic
- Embedded Systems Design Techniques
- Type
- preprint