Bruce Lee's Notes

Systems, programming, and engineering practice

The Most Useful Words in an Operator Specification May Be “Not Yet Confirmed”

Keep unknowns explicit rather than turning example tables into capability promises.

Series contents · Engineering and Delivery · 阅读中文版 At a review, someone presents a polished diagram: an input tensor passes through an operator, and the output returns to memory. A few convincing a......

Posted by Bruce Lee on 2026-08-25

Engineering Compilers

The Assembly Looks Right. Does That Mean the Machine Code Is Right?

Understand what pseudoassembly, assembly, machine code, and mathematical references each prove.

Series contents · Engineering and Delivery · 阅读中文版 “The generated assembly matches expectations, so the code generator is correct.” If the assembly printer and binary encoder are separate paths, th......

Posted by Bruce Lee on 2026-08-18

Engineering Compilers

Why Does the Same Release Package Get a Different Hash Every Time?

Separate archive-event time, package timestamps, and byte reproducibility.

Series contents · Engineering and Delivery · 阅读中文版 “The source has not changed. The installation tree has not changed. Why does today’s archive have a different hash from yesterday’s?” The first su......

Posted by Bruce Lee on 2026-08-13

Engineering Compilers

Compilation Failed. Why Is There Still a “Successful Model” in the Directory?

Make output directories, temporary artifacts, and stale files part of a clear success contract.

Series contents · Engineering and Delivery · 阅读中文版 A compilation succeeds in the morning. In the afternoon, someone changes the model and compilation fails. An automation script sees that the outpu......

Posted by Bruce Lee on 2026-08-07

Engineering Compilers

Why Is Packing Compiler Outputs into One File Hard?

Treat a model file as a protocol with offsets, lengths, and ownership.

Series contents · Engineering and Delivery · 阅读中文版 “If we only want one file in the end, why not zip the whole directory?” That is a reasonable backup strategy, but not necessarily a loading protoc......

Posted by Bruce Lee on 2026-08-03

Engineering Compilers