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Using Binary Decision Diagrams to Determine Program Equivalence in a Superoptimizer.
KTH, School of Computer Science and Communication (CSC).
2011 (English)Independent thesis Advanced level (professional degree), 20 credits / 30 HE creditsStudent thesis
Abstract [en]

A superoptimizer is a tool capable of generating an optimal program that computes a desired function. This thesis describes a superoptimizer that uses binary decision diagrams to determine if a generated candidate programs is equivalent to a given target program known to compute the desired function. The superoptimizer is shown to work well for generating program consisting of instructions no more complex than addition, but to perform poorly for programs containing multiplication instructions.

Abstract [sv]

En superoptimerare är ett verktyg som kan generera ett optimalt program som beräknar en önskad funktion. Den här rapporten beskriver en superoptimerare som använder binära beslutsdiagram för att avgöra om ett genererat kandidatprogram är ekvivalent med ett givet målprogram, som beräknar den önskade funktionen. Det visas att superoptimeraren fungerar väl för att generera program bestående av instruktioner som inte är mer komplexa än addition, men att den inte fungerar väl för program innehållande multiplikationsinstruktioner.

Place, publisher, year, edition, pages
Trita-CSC-E, ISSN 1653-5715 ; 2011:144
National Category
Computer Science
URN: urn:nbn:se:kth:diva-130778OAI: diva2:654225
Educational program
Master of Science in Engineering - Computer Science and Technology
Available from: 2013-10-07 Created: 2013-10-07

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