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Evaluating the Accuracy of Annotations in the Loci 3.0 Pluggable Type Checker
Uppsala universitet, Teknisk-naturvetenskapliga vetenskapsområdet, Matematisk-datavetenskapliga sektionen, Institutionen för informationsteknologi.
2013 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 30 poäng / 45 hpOppgave
Abstract [en]

This thesis work investigates the accuracy of Loci, a static type checker in expressing thread-locality at compile time. To do this, we need to capture both thread-locality at runtime, and thread-locality expressed statically using Loci. We present the framework we built to find these measurements, describe the process of adding Loci annotations to two multi-threaded benchmarks, and measure the accuracy of expressed thread-locality using the developed framework. We found that Loci annotations could express a thread-locality rate of 99.9% in terms of object count for a small benchmark of 1436 LOC, using a total of 15 annotations, and a rate of 83.5% for a part of Xalan from the DaCapo benchmark suite, composed of more than 85,000 LOC, using 451 annotations. These results show that Loci can be used to capture a high-rate of thread-locality with a small annotation overhead.

sted, utgiver, år, opplag, sider
2013.
Serie
IT, 13 013
HSV kategori
Identifikatorer
URN: urn:nbn:se:uu:diva-195827OAI: oai:DiVA.org:uu-195827DiVA: diva2:608397
Utdanningsprogram
Master Programme in Computer Science
Uppsök
Technology
Veileder
Examiner
Tilgjengelig fra: 2013-02-27 Laget: 2013-02-27 Sist oppdatert: 2013-02-27bibliografisk kontrollert

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