SPLASH 2020
Sun 15 - Sat 21 November 2020 Online Conference
Mon 16 Nov 2020 10:20 - 11:00 at SPLASH-VII - Posters Session 2
Mon 16 Nov 2020 22:20 - 23:00 at SPLASH-VII - Posters Session 2 Mirror

Dynamic linking is extremely common in modern software systems, thanks to the flexibility and space savings it offers. However, this flexibility comes at a cost: every library call has an extra layer of indirection, and it’s impossible to perform interprocedural optimizations that involve calls to a dynamic library. The basic problem is that the run-time behavior of the dynamic linker can’t be predicted at compile time, so the compiler can make no assumptions about how external calls will behave.

This paper introduces guided linking, a technique for optimizing dynamically linked software when some information about the dynamic linker’s behavior is known in advance. The developer provides an arbitrary set of programs, libraries, and plugins to our tool, along with constraints that limit the possible dynamic linking behavior of the software. Given a software set and a list of constraints, our tool takes advantage of the constraints to optimize the software for speed and size. For example, the “no dynamic redefinitions” constraint can be applied to a function when the developer knows the function will never be unexpectedly overridden with a different definition at run time; this constraint allows dynamic references between libraries in the set to be resolved to static references, which can then be optimized with standard link-time optimizations. As an additional optimization, we deduplicate identical functions that appear anywhere in the software set.

By applying guided linking to a dynamically linked distribution of Clang and LLVM, and using the constraint that no other software will use the LLVM libraries, we can increase speed by 6% and reduce file size by 11%. If we relax the constraint to allow other software to use the LLVM libraries, we can still increase speed by 5.5% and reduce file size by 3%. If we apply guided linking to the Python interpreter and a set of loadable Python modules, applying the constraint that no other programs or modules will be used, we can increase speed by an average of 6.6%. If we use guided linking to combine 11 different versions of the Boost library, applying minimal constraints, we can reduce the total library size by 57%.

Mon 16 Nov
Times are displayed in time zone: Central Time (US & Canada) change

10:20 - 11:00: Posters Session 2Posters at SPLASH-VII +12h
10:20 - 11:00
Poster
Posters
Koar MarntirosianKU Leuven, Tom SchrijversKU Leuven, Bruno C. d. S. OliveiraUniversity of Hong Kong, Georgios KarachaliasTweag
10:20 - 11:00
Poster
Posters
Michael BallantyneNortheastern University, Alexis KingNorthwestern University, Matthias FelleisenNortheastern University
10:20 - 11:00
Poster
Posters
Tongtong XiangUniversity of Waterloo, Jeff Y. LuoUniversity of Waterloo, Werner DietlUniversity of Waterloo
10:20 - 11:00
Poster
Posters
Ruyi JiPeking University, Yican SunPeking University, Yingfei XiongPeking University, Zhenjiang HuPeking University
10:20 - 11:00
Poster
Posters
Ryan SenanayakeReservoir Labs, Changwan HongMassachusetts Institute of Technology, Ziheng WangMassachusetts Institute of Technology, Amalee WilsonStanford University, Stephen ChouMassachusetts Institute of Technology, Shoaib KamilAdobe Research, Saman AmarasingheMassachusetts Institute of Technology, Fredrik KjolstadStanford University
DOI Pre-print Media Attached File Attached
10:20 - 11:00
Poster
Posters
Yu WangNanjing University, China, Ke WangVisa Research, Fengjuan GaoNanjing University, Linzhang WangNanjing University
10:20 - 11:00
Poster
Posters
Fangyi ZhouImperial College London, Francisco FerreiraImperial College London, Raymond HuUniversity of Hertfordshire, Rumyana NeykovaBrunel University London, Nobuko YoshidaImperial College London
10:20 - 11:00
Poster
Posters
Milijana SurbatovichCarnegie Mellon University, Brandon LuciaCarnegie Mellon University, Limin JiaCarnegie Mellon University
10:20 - 11:00
Poster
Posters
Qianshan YuTsinghua University, Fei HeTsinghua University, Bow-Yaw WangAcademia Sinica
10:20 - 11:00
Poster
Posters
Lingkun KongRice University, Konstantinos MamourasRice University
10:20 - 11:00
Poster
Posters
Hamed GorjiaraUniversity of California at Irvine, Guoqing Harry XuUniversity of California at Los Angeles, Brian DemskyUniversity of California at Irvine
10:20 - 11:00
Poster
Posters
Steven HoltzenUniversity of California at Los Angeles, Guy Van den BroeckUniversity of California at Los Angeles, Todd MillsteinUniversity of California, Los Angeles
10:20 - 11:00
Poster
Posters
Sylvain BoulméGrenoble Alps University / CNRS / Grenoble INP / VERIMAG, Cyril SixKalray / Grenoble Alps University / CNRS / Grenoble INP / VERIMAG, David MonniauxGrenoble Alps University / CNRS / Grenoble INP / VERIMAG
10:20 - 11:00
Poster
Posters
Yaoda ZhouUniversity of Hong Kong, Bruno C. d. S. OliveiraUniversity of Hong Kong, Jinxu ZhaoUniversity of Hong Kong
10:20 - 11:00
Poster
Posters
Sean BartellUniversity of Illinois at Urbana-Champaign, Will DietzUniversity of Illinois at Urbana-Champaign, Vikram S. AdveUniversity of Illinois at Urbana-Champaign
10:20 - 11:00
Poster
Posters
Pengyu NieUniversity of Texas at Austin, Marinela ParovicUniversity of Texas at Austin, Zhiqiang ZangUniversity of Texas at Austin, Sarfraz KhurshidUniversity of Texas at Austin, Aleksandar MilicevicMicrosoft, Milos GligoricUniversity of Texas at Austin
10:20 - 11:00
Poster
Posters
Yuting WangShanghai Jiao Tong University, Xiangzhe XuNanjing University, Pierre WilkeCentraleSupélec, Zhong ShaoYale University
22:20 - 23:00: Posters Session 2 MirrorPosters at SPLASH-VII
22:20 - 23:00
Poster
Posters
Yu WangNanjing University, China, Ke WangVisa Research, Fengjuan GaoNanjing University, Linzhang WangNanjing University
22:20 - 23:00
Poster
Posters
Milijana SurbatovichCarnegie Mellon University, Brandon LuciaCarnegie Mellon University, Limin JiaCarnegie Mellon University
22:20 - 23:00
Poster
Posters
Lingkun KongRice University, Konstantinos MamourasRice University
22:20 - 23:00
Poster
Posters
Qianshan YuTsinghua University, Fei HeTsinghua University, Bow-Yaw WangAcademia Sinica
22:20 - 23:00
Poster
Posters
Hamed GorjiaraUniversity of California at Irvine, Guoqing Harry XuUniversity of California at Los Angeles, Brian DemskyUniversity of California at Irvine
22:20 - 23:00
Poster
Posters
Ryan SenanayakeReservoir Labs, Changwan HongMassachusetts Institute of Technology, Ziheng WangMassachusetts Institute of Technology, Amalee WilsonStanford University, Stephen ChouMassachusetts Institute of Technology, Shoaib KamilAdobe Research, Saman AmarasingheMassachusetts Institute of Technology, Fredrik KjolstadStanford University
DOI Pre-print Media Attached File Attached
22:20 - 23:00
Poster
Posters
Pengyu NieUniversity of Texas at Austin, Marinela ParovicUniversity of Texas at Austin, Zhiqiang ZangUniversity of Texas at Austin, Sarfraz KhurshidUniversity of Texas at Austin, Aleksandar MilicevicMicrosoft, Milos GligoricUniversity of Texas at Austin
22:20 - 23:00
Poster
Posters
Fangyi ZhouImperial College London, Francisco FerreiraImperial College London, Raymond HuUniversity of Hertfordshire, Rumyana NeykovaBrunel University London, Nobuko YoshidaImperial College London
22:20 - 23:00
Poster
Posters
Ruyi JiPeking University, Yican SunPeking University, Yingfei XiongPeking University, Zhenjiang HuPeking University
22:20 - 23:00
Poster
Posters
Yaoda ZhouUniversity of Hong Kong, Bruno C. d. S. OliveiraUniversity of Hong Kong, Jinxu ZhaoUniversity of Hong Kong
22:20 - 23:00
Poster
Posters
Michael BallantyneNortheastern University, Alexis KingNorthwestern University, Matthias FelleisenNortheastern University
22:20 - 23:00
Poster
Posters
Yuting WangShanghai Jiao Tong University, Xiangzhe XuNanjing University, Pierre WilkeCentraleSupélec, Zhong ShaoYale University
22:20 - 23:00
Poster
Posters
Sylvain BoulméGrenoble Alps University / CNRS / Grenoble INP / VERIMAG, Cyril SixKalray / Grenoble Alps University / CNRS / Grenoble INP / VERIMAG, David MonniauxGrenoble Alps University / CNRS / Grenoble INP / VERIMAG
22:20 - 23:00
Poster
Posters
Koar MarntirosianKU Leuven, Tom SchrijversKU Leuven, Bruno C. d. S. OliveiraUniversity of Hong Kong, Georgios KarachaliasTweag
22:20 - 23:00
Poster
Posters
Tongtong XiangUniversity of Waterloo, Jeff Y. LuoUniversity of Waterloo, Werner DietlUniversity of Waterloo
22:20 - 23:00
Poster
Posters
Sean BartellUniversity of Illinois at Urbana-Champaign, Will DietzUniversity of Illinois at Urbana-Champaign, Vikram S. AdveUniversity of Illinois at Urbana-Champaign
22:20 - 23:00
Poster
Posters
Steven HoltzenUniversity of California at Los Angeles, Guy Van den BroeckUniversity of California at Los Angeles, Todd MillsteinUniversity of California, Los Angeles