Transforming locks in software loops
An improved system and computer programming product for acquisition and release of locks within a software program is disclosed. In an exemplary embodiment, a lock within a loop is transformed by relocating acquisition and release instructions from within the loop to positions outside the loop. This...
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| creator | STOODLEY MARK GRAHAM GRCEVSKI NIKOLA STOODLEY KEVIN ALEXANDER SUNDARESAN VIJAY |
| description | An improved system and computer programming product for acquisition and release of locks within a software program is disclosed. In an exemplary embodiment, a lock within a loop is transformed by relocating acquisition and release instructions from within the loop to positions outside the loop. This may significantly decrease unnecessarily lock acquisition and release during execution of the software program. In order to avoid contention problems which may arise from acquiring and keeping a lock on an object over a relatively long period of time, a contention test may be inserted into the loop. Such a contention test may temporarily release the lock if another thread in the software program requires access to the locked object. |
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In an exemplary embodiment, a lock within a loop is transformed by relocating acquisition and release instructions from within the loop to positions outside the loop. This may significantly decrease unnecessarily lock acquisition and release during execution of the software program. In order to avoid contention problems which may arise from acquiring and keeping a lock on an object over a relatively long period of time, a contention test may be inserted into the loop. Such a contention test may temporarily release the lock if another thread in the software program requires access to the locked object.</description><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>2012</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120925&DB=EPODOC&CC=US&NR=8276134B2$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20120925&DB=EPODOC&CC=US&NR=8276134B2$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>STOODLEY MARK GRAHAM</creatorcontrib><creatorcontrib>GRCEVSKI NIKOLA</creatorcontrib><creatorcontrib>STOODLEY KEVIN ALEXANDER</creatorcontrib><creatorcontrib>SUNDARESAN VIJAY</creatorcontrib><title>Transforming locks in software loops</title><description>An improved system and computer programming product for acquisition and release of locks within a software program is disclosed. In an exemplary embodiment, a lock within a loop is transformed by relocating acquisition and release instructions from within the loop to positions outside the loop. This may significantly decrease unnecessarily lock acquisition and release during execution of the software program. In order to avoid contention problems which may arise from acquiring and keeping a lock on an object over a relatively long period of time, a contention test may be inserted into the loop. Such a contention test may temporarily release the lock if another thread in the software program requires access to the locked object.</description><subject>CALCULATING</subject><subject>COMPUTING</subject><subject>COUNTING</subject><subject>ELECTRIC DIGITAL DATA PROCESSING</subject><subject>PHYSICS</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2012</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFAJKUrMK07LL8rNzEtXyMlPzi5WyMxTKM5PKylPLEoFiuQXFPMwsKYl5hSn8kJpbgYFN9cQZw_d1IL8-NTigsTk1LzUkvjQYAsjczNDYxMnI2MilAAA6wsm4A</recordid><startdate>20120925</startdate><enddate>20120925</enddate><creator>STOODLEY MARK GRAHAM</creator><creator>GRCEVSKI NIKOLA</creator><creator>STOODLEY KEVIN ALEXANDER</creator><creator>SUNDARESAN VIJAY</creator><scope>EVB</scope></search><sort><creationdate>20120925</creationdate><title>Transforming locks in software loops</title><author>STOODLEY MARK GRAHAM ; GRCEVSKI NIKOLA ; STOODLEY KEVIN ALEXANDER ; SUNDARESAN VIJAY</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_US8276134B23</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>2012</creationdate><topic>CALCULATING</topic><topic>COMPUTING</topic><topic>COUNTING</topic><topic>ELECTRIC DIGITAL DATA PROCESSING</topic><topic>PHYSICS</topic><toplevel>online_resources</toplevel><creatorcontrib>STOODLEY MARK GRAHAM</creatorcontrib><creatorcontrib>GRCEVSKI NIKOLA</creatorcontrib><creatorcontrib>STOODLEY KEVIN ALEXANDER</creatorcontrib><creatorcontrib>SUNDARESAN VIJAY</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>STOODLEY MARK GRAHAM</au><au>GRCEVSKI NIKOLA</au><au>STOODLEY KEVIN ALEXANDER</au><au>SUNDARESAN VIJAY</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Transforming locks in software loops</title><date>2012-09-25</date><risdate>2012</risdate><abstract>An improved system and computer programming product for acquisition and release of locks within a software program is disclosed. In an exemplary embodiment, a lock within a loop is transformed by relocating acquisition and release instructions from within the loop to positions outside the loop. This may significantly decrease unnecessarily lock acquisition and release during execution of the software program. In order to avoid contention problems which may arise from acquiring and keeping a lock on an object over a relatively long period of time, a contention test may be inserted into the loop. Such a contention test may temporarily release the lock if another thread in the software program requires access to the locked object.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Transforming locks in software loops |
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