partial-evaluator

Specialize programs by fixing partial inputs and constructing residual programs.

17|2|Updated Feb 16, 2026
One-click install
npx skills add https://github.com/rainoftime/pl-skills --skill partial-evaluator
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: partial-evaluator
Source: https://github.com/rainoftime/pl-skills/tree/main/partial-evaluator
Command: npx skills add https://github.com/rainoftime/pl-skills --skill partial-evaluator

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill optimizes programs by specializing them for specific inputs, reducing runtime computation and improving efficiency.

Core Features & Use Cases

  • Program Specialization: Reduces programs by fixing partial inputs, creating more efficient residual programs.
  • Binding-Time Analysis: Determines which parts of a program are static (known at specialization time) versus dynamic (requiring runtime computation).
  • Use Case: When building a compiler, you can use partial evaluation to generate a specialized compiler for a specific target language, significantly speeding up compilation times.

Quick Start

Use the partial-evaluator skill to specialize the provided Python function calculate_fibonacci with the static input n=10.

Frequently Asked Questions about partial-evaluator

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
What is partial evaluation in program specialization and how does it work?

Partial evaluation optimizes programs by fixing partial inputs during a pre-computation phase to reduce runtime computation. It uses binding-time analysis to separate static code from dynamic code, generating a more efficient residual program.

How do I use binding-time analysis to generate optimized code for a specific input?

Binding-time analysis classifies program parts as static or dynamic to guide program specialization. By fixing known inputs during pre-computation, you generate a residual program that performs less runtime computation and achieves peak performance.

Can partial evaluation help speed up compiler construction and target language compilation?

Partial evaluation specializes compilers for specific target languages by fixing the compiler's structure during pre-computation. This generates a residual compiler that significantly reduces compilation times and optimizes automated code generation.

When should I use program specialization over general runtime optimization techniques?

Program specialization is ideal when you know partial inputs ahead of time, allowing binding-time analysis to pre-compute static operations. You should use it to construct highly optimized residual programs rather than relying solely on general runtime optimization.

What are the limitations of partial evaluation for dynamic program components?

Partial evaluation cannot optimize dynamic components that require runtime computation, as binding-time analysis restricts specialization to static inputs. Residual programs still execute these dynamic parts, meaning performance gains depend heavily on the proportion of static code.