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Fibers and runtime stack expansion

In an article published on March 4, 2026, Raymond Chen discusses using fibers to expand a thread's stack at runtime; part one covers the simple return-value case.

By Wendelmaques ·

Source: Usando fibers para expandir a stack de uma thread em tempo de execução (devblogs.microsoft.com). Text prepared with AI from this source.

What happened and what to do

In an article published on March 4, 2026, Raymond Chen discusses using fibers to expand a thread's stack at runtime. Part one covers the case of a simple return value, within the broader topic of stack management in systems programming.

A company evaluating this technique could start by identifying routines with variable stack needs and the current limits of its threads. A fiber-based prototype, with return-value tests and resource-usage checks, can help assess the approach before it is incorporated into a production component.

How the consultancy can help

Wendelmaques can diagnose stack requirements and adoption risks, define a fiber-based prototype and test plan, and, where appropriate, implement and operate the solution on the company's infrastructure.

Next step

Send a brief description of the system, the routines involved, and the stack issue. Wendelmaques can assess the case and prepare a scoped proposal.

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