文章基本信息

标题：Value Profiling and Optimization
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作者：Brad Calder ; Peter Feller ; Alan Eustace 等
期刊名称：The Journal of Instruction-Level Parallelism
电子版ISSN：1942-9525
出版年度：1999
卷号：1
出版社：International Symposium on Microarchitecture
摘要：VariablesandinstructionsthathaveinvariantorpredictablevaluesatruntimebutcannotbeidentiedassuchusingcompileranalysiscanbenetfromvaluebasedcompileroptimizationsValuebasedoptimizationsincludealloptimizationsbasedonapredictablevalueorrangeofvaluesforavariableorinstructionatruntimeTheseincludeconstantpropagationcodespecializationoptimizationsassumingthevaluepredictabilityofaninstructioncontinuousoptimizationandpartialevaluationThispaperexploresthevaluebehaviorfoundfromprolingloadinstructionsandmemorylocationsWecomparethevaluepredictabilityandinvariantbehaviorofinstructionsregistersandvariablesmemorylocationsfoundfromvalueprolingacrossdierentinputsWeusethevalueprolestoperformcodespecializationforacoupleofprogramsshowingthatvalueprolescanbeusedtoreduceaprogramsexecutiontimeuptoTheabilitytoaccuratelyandecientlygeneratevalueprolesisalsoexaminedusingconvergentprolingandrandomsampling