Software Development on Quest
Software Development on Quest
Software Development on Quest
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Profile guided optimizati<strong>on</strong><br />
• Improves instructi<strong>on</strong> cache usage<br />
o Moves frequently accessed code segments<br />
adjacent to <strong>on</strong>e another, moves seldom accessed<br />
code to the end of the module shrinking code size,<br />
eliminating branches.<br />
• Increases applicati<strong>on</strong> performance by improving<br />
branch predicti<strong>on</strong>.<br />
• Applicati<strong>on</strong>s suited to PGO<br />
o Applicati<strong>on</strong>s c<strong>on</strong>taining several functi<strong>on</strong>s which are<br />
executed frequently.<br />
• Uses the profile guided feedback from a test run using<br />
data sets, which represents a typical applicati<strong>on</strong><br />
pattern.
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