[efficiency-improver] Monthly Activity 2026-05

[github-actions]

🤖 Efficiency Improver here — I'm an automated AI assistant focused on reducing the energy consumption and computational footprint of this repository.

Activity for May 2026

Suggested Actions for Maintainer

• Review PR [efficiency-improver] perf: eliminate redundant dictionary and list copy in ValueSet constructor — removes 1 + F redundant heap allocations per document indexed (F = fields count) - Review

(PR #438 [efficiency-improver] perf: eliminate redundant field processing in CreateSearchResult was merged ✅ — removed from suggested actions.)

Energy Efficiency Backlog

Priority	Focus Area	Opportunity	Estimated Impact
✅ DONE	Code-Level	CreateSearchResult redundant GetValues calls — PR #438 merged	Reduced CPU + allocations per query
HIGH	Code-Level	ValueSet private ctor redundant ToDictionary+ToList per document — PR submitted	Reduce GC pressure at indexing time
MEDIUM	Code-Level	LuceneSearchQueryBase — Select+Cast+ToArray chains for ExamineValue wrapping	Minor allocation reduction per query

Discovered Commands

# Restore
dotnet restore src/Examine.sln

# Build
dotnet build src/Examine.sln --configuration Release

# Test
dotnet test src/Examine.Test/Examine.Test.csproj -f net8.0

# Benchmarks (BenchmarkDotNet)
dotnet run --project src/Examine.Benchmarks --configuration Release

Run History

2026-05-29 18:00 UTC - Run

• 🔍 Scanned ValueSet.cs — found redundant ToDictionary+ToList copy in private constructor (eliminates 1+F allocs per indexed document)
• 🔧 Created PR: perf: eliminate redundant dictionary and list copy in ValueSet constructor
• 📊 Measured: Build ✅ (0 errors), Tests ✅ (142 passed / 2 skipped, net8.0)
• 🌱 GSF principle applied: Hardware Efficiency — avoid redundant memory work that burns CPU cycles on GC

2026-05-25 18:55 UTC - Run

• 🔍 Identified: Redundant doc.GetValues() calls in CreateSearchResult hot path (multi-valued fields)
• 🔧 Created PR [efficiency-improver] perf: eliminate redundant field processing in CreateSearchResult #438: perf: eliminate redundant field processing in CreateSearchResult — merged ✅
• 📊 Measured: Build ✅ (0 errors), Tests ✅ (98 passed / 1 skipped, net8.0)
• 🌱 GSF principle applied: Hardware Efficiency — eliminate provably unnecessary CPU work per query

Generated by Efficiency Improver · sonnet46 3.9M · ◷

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