Improving Instruction Locality with Just-In-Time Code Layout

Table of Contents

Improving Instruction Locality with Just-In-Time Code Layout

Goals

How?

Requirements

Optimizing Procedure Layout

Current Practice: Pettis and Hansen

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A New Heuristic

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Thunk routines

Simulation Methodology

Workloads

Results

Results: The AO Heuristic

Overhead of JITCL

Results: Overhead

Results: Performance

JITCL for Win32 Applications

Win32 Cache Miss Rates

Text Segment Size

JITCL vs. PBO

Conclusions

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