'Path profiling' diaporamas de présentation

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Practical Path Profiling for Dynamic Optimizers

Practical Path Profiling for Dynamic Optimizers

Practical Path Profiling for Dynamic Optimizers. Michael Bond, UT Austin Kathryn McKinley, UT Austin. Why path profiling?. Processors need long instruction sequences Programs have branches. A. B. C. D. E. Why path profiling?. Compiler identifies hot paths across multiple basic blocks.

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886 views • 71 slides
Targeted Path Profiling : Lower Overhead Path Profiling for Staged Dynamic Optimization Systems

Targeted Path Profiling : Lower Overhead Path Profiling for Staged Dynamic Optimization Systems

Targeted Path Profiling : Lower Overhead Path Profiling for Staged Dynamic Optimization Systems. Rahul Joshi, UIUC Michael Bond*, UT Austin Craig Zilles, UIUC. Path information is useful. Enlarges scope of optimizations Superblock formation Hyperblock formation

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832 views • 66 slides
P ath & E dge P rofiling

P ath & E dge P rofiling

P ath & E dge P rofiling. Continuous. Michael Bond, UT Austin Kathryn McKinley, UT Austin. Why profile?. Inform optimizations Target hot code Inlining and unrolling Code scheduling and register allocation Increasingly important for speculative optimization

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601 views • 54 slides
Online Subpath Profiling

Online Subpath Profiling

Online Subpath Profiling. Yossi Matias David Oren Mooly Sagiv School of Computer Science Tel-Aviv University. Motivation for Profiling. Feedback on dynamic program behavior The 80-20 rule Can be used by: Computer Architects Compiler Writers Programmers Better program performance.

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615 views • 50 slides
Analysis of Path Profiling Information Generated with Performance Monitoring Hardware

Analysis of Path Profiling Information Generated with Performance Monitoring Hardware

Analysis of Path Profiling Information Generated with Performance Monitoring Hardware. Alex Shye, Matt Iyer, Tipp Moseley, Dave Hodgdon Dan Fay, Vijay Janapa Reddi, Dan Connors University of Colorado at Boulder Department of Electrical and Computer Engineering

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457 views • 26 slides
Efficient Path Profiling Thomas Ball James R. Larus

Efficient Path Profiling Thomas Ball James R. Larus

Efficient Path Profiling Thomas Ball James R. Larus. 2005. Dec. 6 Chihun Kim. Contents. Introduction Limitation of edge profiling Algorithm of efficient path profiling Basic idea Compactly representing paths with unique integer Finding instrumentation point Placing instrumentations

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430 views • 21 slides
Improving Data-flow Analysis with Path Profiles

Improving Data-flow Analysis with Path Profiles

Improving Data-flow Analysis with Path Profiles. Glenn Ammons & James R. Larus University of Wisconsin-Madison 1998 Presented by Jessica Friis. Problem and Approach. Some paths in a CFG are not run A small number of paths often make up a large portion of the runtime

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161 views • 15 slides
Incremental Path Profiling Kevin Bierhoff and Laura Hiatt

Incremental Path Profiling Kevin Bierhoff and Laura Hiatt

Incremental Path Profiling Kevin Bierhoff and Laura Hiatt. Path Profiling. Incremental Approach. Experimental Results.

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115 views • 1 slides

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