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A general compiler framework for speculative multithreading
2002
Proceedings of the fourteenth annual ACM symposium on Parallel algorithms and architectures - SPAA '02
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SPECULATIVE MULTITHREADING Ì ËÔÅÌ Ü ÙØ ÓÒ ÑÓ Ð × ÐÓ× Ö ØÓ × ÕÙ ÒØ Ð ÓÒØÖÓÐ ÓÛ¸ Ò ÒÚ × ÓÒ× ×ØÖ Ø × ÕÙ ÒØ Ð ÓÖ Ö Ò ÑÓÒ Ø Ø Ö ×º Ì Ö × Ö ÜØÖ Ø ÖÓÑ × ÕÙ ÒØ Ð Ó Ò Ö ×Ô ÙÐ Ø Ú ÐÝ ÖÙÒ Ò Ô Ö ÐÐ Ð¸Û Ø ÓÙØ Ú ÓÐ ...
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¬Ü º Ï ¬Ö×Ø Ò ÐÝÞ Ø ×Ô ÙÔ Ó Ø Ò Û Ø Ø ÙÐØ ÓÒ¬ ÙÖ Ø ÓÒº Ì Ð ¾ Ô Ö × Ò Ø× ×ÓÑ Ø Ö ¹Ö Ð Ø ×Ø Ø ×¹ Ø × ÓÖ Ø ÙÐØ ÓÒ¬ ÙÖ Ø ÓÒº Ì ×Ô ÙÔ Û Ø È × Ö Ò × ÖÓÑ ½º ÓÖ ÐØ ØÓ º ÓÖ ...
doi:10.1145/564870.564885
dblp:conf/spaa/BhowmikF02
fatcat:r6lrmzz76zhvlo7clc3brbes5y
A general compiler framework for speculative multithreading
2002
Proceedings of the fourteenth annual ACM symposium on Parallel algorithms and architectures - SPAA '02
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SPECULATIVE MULTITHREADING Ì ËÔÅÌ Ü ÙØ ÓÒ ÑÓ Ð × ÐÓ× Ö ØÓ × ÕÙ ÒØ Ð ÓÒØÖÓÐ ÓÛ¸ Ò ÒÚ × ÓÒ× ×ØÖ Ø × ÕÙ ÒØ Ð ÓÖ Ö Ò ÑÓÒ Ø Ø Ö ×º Ì Ö × Ö ÜØÖ Ø ÖÓÑ × ÕÙ ÒØ Ð Ó Ò Ö ×Ô ÙÐ Ø Ú ÐÝ ÖÙÒ Ò Ô Ö ÐÐ Ð¸Û Ø ÓÙØ Ú ÓÐ ...
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¬Ü º Ï ¬Ö×Ø Ò ÐÝÞ Ø ×Ô ÙÔ Ó Ø Ò Û Ø Ø ÙÐØ ÓÒ¬ ÙÖ Ø ÓÒº Ì Ð ¾ Ô Ö × Ò Ø× ×ÓÑ Ø Ö ¹Ö Ð Ø ×Ø Ø ×¹ Ø × ÓÖ Ø ÙÐØ ÓÒ¬ ÙÖ Ø ÓÒº Ì ×Ô ÙÔ Û Ø È × Ö Ò × ÖÓÑ ½º ÓÖ ÐØ ØÓ º ÓÖ ...
doi:10.1145/564883.564885
fatcat:qy7q54z6dnfwtoltbt2m2xeugq
A general compiler framework for speculative multithreaded processors
2004
IEEE Transactions on Parallel and Distributed Systems
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This paper presents a compiler framework for partitioning a sequential program into multiple threads for parallel execution in an SpMT system. ...
This framework is very general and supports speculative threads, nonspeculative threads, loop-centric threads, and out-of-order thread spawning. ...
OUR COMPILER FRAMEWORK Next, we present our compiler framework for generating threads for speculative multithreaded processors. ...
doi:10.1109/tpds.2004.26
fatcat:hip6liwcxzgxjcxs6v56pp7sbq
Supporting Speculative Multithreading on Simultaneous Multithreaded Processors
[chapter]
2006
Lecture Notes in Computer Science
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Speculative multithreading is a technique that has been used to improve single thread performance. ...
In this paper we present a novel cache-based architecture support for speculative simultaneous multithreading which can efficiently handle larger threads. ...
To generate parallel threads, we use a compiler framework based on Intel's ORC compiler [1]. ...
doi:10.1007/11945918_19
fatcat:dmozrliaijh5pjyxdb7jgcxxua
Multithreading decoupled architectures for complexity-effective general purpose computing
2001
SIGARCH Computer Architecture News
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A proposal for a multithreaded decoupled control/access/execute architecture is presented as a platform for achieving high performance on general purpose workloads. ...
Decoupled architectures have not traditionally been used in the context of general purpose computing because of their inability to tolerate control-intensive code that exists across a wide range of applications ...
Also, there is a large design space of possible multithreading implementations that can fit into a MT-DCAE framework. ...
doi:10.1145/563647.563658
fatcat:fjmdpove5ravhclvctbfurz6im
Accurate branch prediction for short threads
2008
ACM SIGOPS Operating Systems Review
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Using a Speculative Multithreaded (SpMT) architecture as an example of a system which generates shorter threads, this work examines techniques to improve branch prediction accuracy when a new thread begins ...
Thus, modern predictors are almost useless for threads below a certain length. ...
Acknowledgments The authors would like to thank the anonymous reviewers for their helpful insights. ...
doi:10.1145/1353535.1346298
fatcat:d6ejoxszkzdgvatavunmxekjay
Accurate branch prediction for short threads
2008
SIGARCH Computer Architecture News
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Using a Speculative Multithreaded (SpMT) architecture as an example of a system which generates shorter threads, this work examines techniques to improve branch prediction accuracy when a new thread begins ...
Thus, modern predictors are almost useless for threads below a certain length. ...
Acknowledgments The authors would like to thank the anonymous reviewers for their helpful insights. ...
doi:10.1145/1353534.1346298
fatcat:lgccezyrcjagjoopui3ytuxawm
Accurate branch prediction for short threads
2008
Proceedings of the 13th international conference on Architectural support for programming languages and operating systems - ASPLOS XIII
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Using a Speculative Multithreaded (SpMT) architecture as an example of a system which generates shorter threads, this work examines techniques to improve branch prediction accuracy when a new thread begins ...
Thus, modern predictors are almost useless for threads below a certain length. ...
Acknowledgments The authors would like to thank the anonymous reviewers for their helpful insights. ...
doi:10.1145/1346281.1346298
dblp:conf/asplos/ChoiPT08
fatcat:2tq33po525dd5ksn7fnaladab4
Accurate branch prediction for short threads
2008
SIGPLAN notices
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Using a Speculative Multithreaded (SpMT) architecture as an example of a system which generates shorter threads, this work examines techniques to improve branch prediction accuracy when a new thread begins ...
Thus, modern predictors are almost useless for threads below a certain length. ...
Acknowledgments The authors would like to thank the anonymous reviewers for their helpful insights. ...
doi:10.1145/1353536.1346298
fatcat:6qp33uprcngfrihhaccddqchiy
Mitosis: A Speculative Multithreaded Processor Based on Precomputation Slices
2008
IEEE Transactions on Parallel and Distributed Systems
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This paper presents the Mitosis framework, which is a combined hardware-software approach to speculative multithreading, even in the presence of frequent dependences among threads. ...
Speculative multithreading increases single-threaded application performance by exploiting thread-level parallelism speculatively, that is, executing code in parallel, even when the compiler or runtime ...
The Mitosis framework is composed of a compiler that partitions the applications into speculative threads and generates the corresponding p-slice and a speculative multithreaded processor that is able ...
doi:10.1109/tpds.2007.70797
fatcat:qzfb3dwygffmvofhvau6buv5pq
Hybrid multi-core architecture for boosting single-threaded performance
2007
SIGARCH Computer Architecture News
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In this paper, we propose a compiler-driven heterogeneous multicore architecture, consisting of tightly-integrated VLIW (Very Long Instruction Word) and superscalar processors on a single chip, to automatically ...
While multithreaded applications can naturally leverage the enhanced throughput of multi-core processors, a large number of important applications are single-threaded, which cannot automatically harness ...
The hybrid compiler is built upon the Trimaran compiler framework [26] , which provides an optimizing backend compiler (i.e., elcor), an extensible intermediate representation (IR), and a machine description ...
doi:10.1145/1241601.1241603
fatcat:vjzotxsbo5dtvc6oe6wcifxcie
A compiler cost model for speculative parallelization
2007
ACM Transactions on Architecture and Code Optimization (TACO)
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This paper proposes a novel compiler static cost model of speculative multithreaded execution that can be used to predict the resulting performance. ...
Speculative parallelization is a technique that allows code sections that cannot be fully analyzed by the compiler to be aggressively executed in parallel. ...
Different from previous work, which present heuristics that attempt to estimate "good" or "bad" sections for speculative multithreaded execution, our compiler framework attempts to quantitatively estimate ...
doi:10.1145/1250727.1250732
fatcat:miha63jvh5f25o6kzulswlfmy4
Clustered speculative multithreaded processors
1999
Proceedings of the 13th international conference on Supercomputing - ICS '99
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This speculative parallelism results in significant speedups for all the SpecInt95 programs when compared with a single-thread execution. ...
Results show the potential of the microarchitecture to exploit speculative parallelism in programs that are hard to parallelize at compile-time, such as the SpecInt95. ...
Acknowledgements We would like to thank José González for his insightful comments on this paper. ...
doi:10.1145/305138.305214
dblp:conf/ics/MarcuelloG99
fatcat:4osvinevx5fongtizk2uuvcjje
smt-SPRINTS: Software Precomputation with Intelligent Streaming for Resource-Constrained SMTs
[chapter]
2005
Lecture Notes in Computer Science
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We present SPRINTS, a source-level speculative precomputation framework for scientific applications running on SMTs with two execution contexts. ...
A unique aspect of SPRINTS is that it requires neither hardware nor compiler support. ...
The speculative streaming code is generated in the same high-level language as the sequential code, and can be optimized and executed efficiently from an unmodified compiler back-end and a standard multithreading ...
doi:10.1007/11549468_78
fatcat:hacju36bovabbfwtzdxx2bxeku
Loopapalooza: Investigating Limits of Loop-Level Parallelism with a Compiler-Driven Approach
2021
2021 IEEE International Symposium on Performance Analysis of Systems and Software (ISPASS)
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Unfortunately, previous "speculative multithreading" approaches have shown small gains and/or incur a high cost, particularly for general-purpose, non-numeric applications. ...
This paper investigates the fundamental limits to sequential performance scaling through speculative multithreading -we present an LLVM compiler-driven limit study framework that investigates the limits ...
Luján is funded by an Arm/RAEng Research Chair award and a Royal Society Wolfson Fellowship. ...
doi:10.1109/ispass51385.2021.00030
fatcat:xxkmasfwc5flxi4ojqylybqkzq
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