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learned_index_lab 0.1.1

“High-performance Piecewise Geometric Model (PGM) learned index implementation in pure Rust with strict epsilon error guarantees.”

Backtick shell command-substitution syntaxBasename is uppercase README.md

SHA-2564d131f659df6bb98c8188c1afe1ad2ef4ec3113414fdba64b574ff6563e7975f

URLhttps://static.crates.io/crates/learned_index_lab/learned_index_lab-0.1.1.crate

MaleculeH₂(CmPo)Md₃(Bk₃Pa)

Evidence

Workflow invokes curl HTTP request action.yml · lines 61–70

34… O_HOME:-"${{runner.os == 'Windows' && '$USERPROFILE\.cargo' || '$HOME/.cargo'}}"} >> $GITHUB_ENV
    shell: bash
63
  - name: Install rustup if needed
    run: |
      if ! command -v rustup &>/dev/null; then
        curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused --location --silent --show-error --fail https://sh.rustup.rs | sh -s -- --default-toolchain none -y
        echo "$CARGO_HOME/bin" >> $GITHUB_PATH
      fi
    if: runner.os != 'Windows'

Structured file has curl/wget output path action.yml · lines 74–78

9… n: |
      if ! command -v rustup &>/dev/null; then
        curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused --location --silent --show-error --fail https://win.rustup.rs/${{runner.arch == 'ARM64' && 'aarch64' || 'x86_64'}} --output '${{runner.temp}}\rustup-init.exe'
        '${{runner.temp}}\rustup-init.exe' --default-toolchain none --no-modify-path -y
        echo "$CARGO_HOME\bin" >> $ …

References a public code-forge URL README.md · lines 1–3

1:12… ndex Lab: Piecewise Geometric Model (PGM-Index) in Rust
2
3[![CI](https://github.com/gilnett/learned_index_lab/actions/workflows/ci.yml/badge.svg)](https://github.com/gilnett/learned_index_lab/actions/workflows/ci …

Reference guide has multiple section headings README.md · lines 6–18

6:83… (https://opensource.org/licenses/Apache-2.0)
7
8A zero-dependency, production-grade implementation of **Piecewise Geometric Model (PGM) Learned Index Structures** in pure Rust.
9
10This repository demonstrates the paradigm shift away from traditional comparison-based pointer hierarchies (such as B-Trees and LSM block indexes) to **mathematical function approximations** of Empirical Cumulative Distribution Functions (CDFs) with provable $\epsilon$ error bounds.
11
12---
13
14## Table of Contents
15
16- [Overview & The Paradigm Shift](#overview--the-paradigm-shift)
17- [Mathematical Foundation](#mathematical-foundation)
18  - [Op …

Assessment or defense section heading README.md · lines 206–224

⋯4 lines
210---
211
212## Reproducibility & Verification
213
214To verify the test suite and run the full 10-run statistical benchmark on your own machine:
215
216```bash
217# Clone the repository
218git clone https://github.com/gilnett/learned_index_lab.git
219cd learned_index_lab
220
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