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Neural Foundry's avatar

The PCIe accelerator aproach for triadic logic is really intriguing. Implementing the coherence unit on FPGAs could provide massive paralel processing advantages for phase-locked systems. The RISC-V Ztrit extension is also a clever way to bring harmonic awareness directly into the instruction set. Have you considerd how latency might affect real-time coherence maintainance in distributed sensor arrays? The packed trit memory model seems efficient but I wonder about the tradeoffs when scaling to hundreeds of nodes.

chris copeland's avatar

Great questions — and yes, latency and scaling were central constraints when designing this architecture.

For the PCIe accelerator path: the reason triadic logic maps so well to an FPGA coherence unit is that the correction loops don’t depend on global synchronization. Each node only needs its local Δ-state and nearest-neighbor phase information. That keeps the coherence window small enough that PCIe transport latency doesn’t collapse the harmonic lock.

The RISC-V Ztrit extension is meant to mirror that: harmonic awareness sits inside the instruction set, not bolted on top of it. The CPU can propagate resonance states without waiting for a full round trip through the accelerator, which keeps temporal drift manageable.

On distributed sensor arrays: the model doesn’t assume perfect simultaneity. It assumes bounded drift and uses ΔΣ(a′) as the correction term when the drift exceeds tolerance. So real-time coherence isn’t broken by latency; latency just appears as a predictable phase offset that gets recursively corrected.

For the packed trit memory model, the main tradeoff is bandwidth vs. recovery time. Packing boosts throughput, but the more tightly packed the array, the more expensive it becomes to inject correction pulses when large groups of nodes desynchronize. Past a few hundred nodes, it’s usually better to shard the arrays into harmonic “cells” so the system doesn’t try to correct everything from a single point.

Happy to go into the hardware mapping or the Ztrit ISA design in more detail if you’d like.

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