Exploring the performance limits of simultaneous multithreading for memory intensive applications

Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance g...
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Autor*in:	Athanasaki, Evangelia [verfasserIn] Anastopoulos, Nikos [verfasserIn] Kourtis, Kornilios [verfasserIn] Koziris, Nectarios [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2007

Schlagwörter:	Simultaneous multithreading Thread-level parallelism Instruction-level parallelism Software prefetching Speculative precomputation Performance analysis

Übergeordnetes Werk:	Enthalten in: The journal of supercomputing - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1987, 44(2007), 1 vom: 06. Okt., Seite 64-97
Übergeordnetes Werk:	volume:44 ; year:2007 ; number:1 ; day:06 ; month:10 ; pages:64-97

Links:	Volltext

DOI / URN:	10.1007/s11227-007-0149-x

Katalog-ID:	SPR017904919

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520			\|a Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor.
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allfields	10.1007/s11227-007-0149-x doi (DE-627)SPR017904919 (SPR)s11227-007-0149-x-e DE-627 ger DE-627 rakwb eng 004 620 ASE 54.20 bkl Athanasaki, Evangelia verfasserin aut Exploring the performance limits of simultaneous multithreading for memory intensive applications 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor. Simultaneous multithreading (dpeaa)DE-He213 Thread-level parallelism (dpeaa)DE-He213 Instruction-level parallelism (dpeaa)DE-He213 Software prefetching (dpeaa)DE-He213 Speculative precomputation (dpeaa)DE-He213 Performance analysis (dpeaa)DE-He213 Anastopoulos, Nikos verfasserin aut Kourtis, Kornilios verfasserin aut Koziris, Nectarios verfasserin aut Enthalten in The journal of supercomputing Dordrecht [u.a.] : Springer Science + Business Media B.V, 1987 44(2007), 1 vom: 06. Okt., Seite 64-97 (DE-627)271350202 (DE-600)1479917-0 1573-0484 nnns volume:44 year:2007 number:1 day:06 month:10 pages:64-97 https://dx.doi.org/10.1007/s11227-007-0149-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 54.20 ASE AR 44 2007 1 06 10 64-97
spelling	10.1007/s11227-007-0149-x doi (DE-627)SPR017904919 (SPR)s11227-007-0149-x-e DE-627 ger DE-627 rakwb eng 004 620 ASE 54.20 bkl Athanasaki, Evangelia verfasserin aut Exploring the performance limits of simultaneous multithreading for memory intensive applications 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor. Simultaneous multithreading (dpeaa)DE-He213 Thread-level parallelism (dpeaa)DE-He213 Instruction-level parallelism (dpeaa)DE-He213 Software prefetching (dpeaa)DE-He213 Speculative precomputation (dpeaa)DE-He213 Performance analysis (dpeaa)DE-He213 Anastopoulos, Nikos verfasserin aut Kourtis, Kornilios verfasserin aut Koziris, Nectarios verfasserin aut Enthalten in The journal of supercomputing Dordrecht [u.a.] : Springer Science + Business Media B.V, 1987 44(2007), 1 vom: 06. Okt., Seite 64-97 (DE-627)271350202 (DE-600)1479917-0 1573-0484 nnns volume:44 year:2007 number:1 day:06 month:10 pages:64-97 https://dx.doi.org/10.1007/s11227-007-0149-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 54.20 ASE AR 44 2007 1 06 10 64-97
allfields_unstemmed	10.1007/s11227-007-0149-x doi (DE-627)SPR017904919 (SPR)s11227-007-0149-x-e DE-627 ger DE-627 rakwb eng 004 620 ASE 54.20 bkl Athanasaki, Evangelia verfasserin aut Exploring the performance limits of simultaneous multithreading for memory intensive applications 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor. Simultaneous multithreading (dpeaa)DE-He213 Thread-level parallelism (dpeaa)DE-He213 Instruction-level parallelism (dpeaa)DE-He213 Software prefetching (dpeaa)DE-He213 Speculative precomputation (dpeaa)DE-He213 Performance analysis (dpeaa)DE-He213 Anastopoulos, Nikos verfasserin aut Kourtis, Kornilios verfasserin aut Koziris, Nectarios verfasserin aut Enthalten in The journal of supercomputing Dordrecht [u.a.] : Springer Science + Business Media B.V, 1987 44(2007), 1 vom: 06. Okt., Seite 64-97 (DE-627)271350202 (DE-600)1479917-0 1573-0484 nnns volume:44 year:2007 number:1 day:06 month:10 pages:64-97 https://dx.doi.org/10.1007/s11227-007-0149-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 54.20 ASE AR 44 2007 1 06 10 64-97
allfieldsGer	10.1007/s11227-007-0149-x doi (DE-627)SPR017904919 (SPR)s11227-007-0149-x-e DE-627 ger DE-627 rakwb eng 004 620 ASE 54.20 bkl Athanasaki, Evangelia verfasserin aut Exploring the performance limits of simultaneous multithreading for memory intensive applications 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor. Simultaneous multithreading (dpeaa)DE-He213 Thread-level parallelism (dpeaa)DE-He213 Instruction-level parallelism (dpeaa)DE-He213 Software prefetching (dpeaa)DE-He213 Speculative precomputation (dpeaa)DE-He213 Performance analysis (dpeaa)DE-He213 Anastopoulos, Nikos verfasserin aut Kourtis, Kornilios verfasserin aut Koziris, Nectarios verfasserin aut Enthalten in The journal of supercomputing Dordrecht [u.a.] : Springer Science + Business Media B.V, 1987 44(2007), 1 vom: 06. Okt., Seite 64-97 (DE-627)271350202 (DE-600)1479917-0 1573-0484 nnns volume:44 year:2007 number:1 day:06 month:10 pages:64-97 https://dx.doi.org/10.1007/s11227-007-0149-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 54.20 ASE AR 44 2007 1 06 10 64-97
allfieldsSound	10.1007/s11227-007-0149-x doi (DE-627)SPR017904919 (SPR)s11227-007-0149-x-e DE-627 ger DE-627 rakwb eng 004 620 ASE 54.20 bkl Athanasaki, Evangelia verfasserin aut Exploring the performance limits of simultaneous multithreading for memory intensive applications 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor. Simultaneous multithreading (dpeaa)DE-He213 Thread-level parallelism (dpeaa)DE-He213 Instruction-level parallelism (dpeaa)DE-He213 Software prefetching (dpeaa)DE-He213 Speculative precomputation (dpeaa)DE-He213 Performance analysis (dpeaa)DE-He213 Anastopoulos, Nikos verfasserin aut Kourtis, Kornilios verfasserin aut Koziris, Nectarios verfasserin aut Enthalten in The journal of supercomputing Dordrecht [u.a.] : Springer Science + Business Media B.V, 1987 44(2007), 1 vom: 06. Okt., Seite 64-97 (DE-627)271350202 (DE-600)1479917-0 1573-0484 nnns volume:44 year:2007 number:1 day:06 month:10 pages:64-97 https://dx.doi.org/10.1007/s11227-007-0149-x lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 54.20 ASE AR 44 2007 1 06 10 64-97
language	English
source	Enthalten in The journal of supercomputing 44(2007), 1 vom: 06. Okt., Seite 64-97 volume:44 year:2007 number:1 day:06 month:10 pages:64-97
sourceStr	Enthalten in The journal of supercomputing 44(2007), 1 vom: 06. Okt., Seite 64-97 volume:44 year:2007 number:1 day:06 month:10 pages:64-97
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Simultaneous multithreading Thread-level parallelism Instruction-level parallelism Software prefetching Speculative precomputation Performance analysis
dewey-raw	004
isfreeaccess_bool	false
container_title	The journal of supercomputing
authorswithroles_txt_mv	Athanasaki, Evangelia @@aut@@ Anastopoulos, Nikos @@aut@@ Kourtis, Kornilios @@aut@@ Koziris, Nectarios @@aut@@
publishDateDaySort_date	2007-10-06T00:00:00Z
hierarchy_top_id	271350202
dewey-sort	14
id	SPR017904919
language_de	englisch
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author	Athanasaki, Evangelia
spellingShingle	Athanasaki, Evangelia ddc 004 bkl 54.20 misc Simultaneous multithreading misc Thread-level parallelism misc Instruction-level parallelism misc Software prefetching misc Speculative precomputation misc Performance analysis Exploring the performance limits of simultaneous multithreading for memory intensive applications
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topic_title	004 620 ASE 54.20 bkl Exploring the performance limits of simultaneous multithreading for memory intensive applications Simultaneous multithreading (dpeaa)DE-He213 Thread-level parallelism (dpeaa)DE-He213 Instruction-level parallelism (dpeaa)DE-He213 Software prefetching (dpeaa)DE-He213 Speculative precomputation (dpeaa)DE-He213 Performance analysis (dpeaa)DE-He213
topic	ddc 004 bkl 54.20 misc Simultaneous multithreading misc Thread-level parallelism misc Instruction-level parallelism misc Software prefetching misc Speculative precomputation misc Performance analysis
topic_unstemmed	ddc 004 bkl 54.20 misc Simultaneous multithreading misc Thread-level parallelism misc Instruction-level parallelism misc Software prefetching misc Speculative precomputation misc Performance analysis
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title	Exploring the performance limits of simultaneous multithreading for memory intensive applications
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title_full	Exploring the performance limits of simultaneous multithreading for memory intensive applications
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author_browse	Athanasaki, Evangelia Anastopoulos, Nikos Kourtis, Kornilios Koziris, Nectarios
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title_sort	exploring the performance limits of simultaneous multithreading for memory intensive applications
title_auth	Exploring the performance limits of simultaneous multithreading for memory intensive applications
abstract	Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor.
abstractGer	Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor.
abstract_unstemmed	Abstract Simultaneous multithreading (SMT) has been proposed to improve system throughput by overlapping instructions from multiple threads on a single wide-issue processor. Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. In order to amplify this evaluation process, we also present results gathered from the performance monitoring hardware of the processor.
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title_short	Exploring the performance limits of simultaneous multithreading for memory intensive applications
url	https://dx.doi.org/10.1007/s11227-007-0149-x
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author2	Anastopoulos, Nikos Kourtis, Kornilios Koziris, Nectarios
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up_date	2024-07-03T15:59:06.400Z
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Recent studies have demonstrated that diversity of simultaneously executed applications can bring up significant performance gains due to SMT. However, the speedup of a single application that is parallelized into multiple threads, is often sensitive to its inherent instruction level parallelism (ILP), as well as the efficiency of synchronization and communication mechanisms between its separate, but possibly dependent threads. Moreover, as these separate threads tend to put pressure on the same architectural resources, no significant speedup can be observed. In this paper, we evaluate and contrast thread-level parallelism (TLP) and speculative precomputation (SPR) techniques for a series of memory intensive codes executed on a specific SMT processor implementation. We explore the performance limits by evaluating the tradeoffs between ILP and TLP for various kinds of instruction streams. By obtaining knowledge on how such streams interact when executed simultaneously on the processor, and quantifying their presence within each application’s threads, we try to interpret the observed performance for each application when parallelized according to the aforementioned techniques. 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