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How efficient is your clone? Evaluating LLM capabilities for runtime and memory-aware code selection

delete2026-06-23
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P
Prasanth Ramaswamy
M
Muhammad Azeem Akbar
M
Muzaffar Rao
A
Abdul Razzaq *
DOI:10.1016/j.jss.2026.112973delete
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Abstract

Abstract

En 中文
• Execution-free evaluation on CodeNet and CLBG across Python, Java, and C. • Code+feature prompts lift decoder LLMs more than encoder baselines. • LoRA yields selective gains; language–aspect effects remain context-dependent. • Top-1, MRR, and eGap reveal trade-offs beyond often-saturated Top-3.
Keywords:
Large Language Models (LLMs)
Execution-free code selection
Functionally equivalent implementations
Runtime-aware code analysis
Memory-aware code analysis
Code efficiency
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Key information extracted from the uploaded paper, including a brief overview, abstract, background, key highlights, visual analysis, and future outlook.

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Journal of Systems and Software cover
Journal of Systems and Software
IF:
4.1
Papers:
5.4K
Citations:
8.4K

Organization

U
university of limerick
Scholars:
1.2K
Papers: 580
Citations: 0
L
lut university
Scholars:
263
Papers: 123
Citations: 2
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