ICFP 2021
Proceedings of the ACM on Programming Languages, Volume 5, Number ICFP

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Client-Server Sessions in Linear Logic
Zesen Qian, G. A. Kavvos, and Lars Birkedal 
(Aarhus University, Denmark; University of Bristol, UK)

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Persistent Software Transactional Memory in Haskell
Nicolas Krauter , Patrick Raaf , Peter Braam, Reza Salkhordeh , Sebastian Erdweg , and André Brinkmann
(Johannes Gutenberg University Mainz, Germany; University of Oxford, UK)

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An Existential Crisis Resolved: Type Inference for First-Class Existential Types
Richard A. Eisenberg , Guillaume Duboc, Stephanie Weirich , and Daniel Lee
(Tweag, France; ENS Lyon, France; University of Pennsylvania, USA)

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An Order-Aware Dataflow Model for Parallel Unix Pipelines
Shivam Handa, Konstantinos Kallas , Nikos Vasilakis, and Martin C. Rinard
(Massachusetts Institute of Technology, USA; University of Pennsylvania, USA)

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Formal Verification of a Concurrent Bounded Queue in a Weak Memory Model
Glen Mével  and Jacques-Henri Jourdan
(Inria, France; University of Paris-Saclay, France; CNRS, France; ENS Paris-Saclay, France; LMF, France)

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Modular, Compositional, and Executable Formal Semantics for LLVM IR
Yannick Zakowski , Calvin Beck , Irene Yoon , Ilia Zaichuk , Vadim Zaliva , and Steve Zdancewic 
(Inria, France; University of Pennsylvania, USA; Taras Shevchenko National University of Kyiv, Ukraine; Carnegie Mellon University, USA; Digamma.ai, USA)

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How to Evaluate Blame for Gradual Types
Lukas Lazarek , Ben Greenman, Matthias Felleisen , and Christos Dimoulas 
(Northwestern University, USA; Northeastern University, USA)

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A Theory of Higher-Order Subtyping with Type Intervals
Sandro Stucki  and Paolo G. Giarrusso
(Chalmers University of Technology, Sweden; BedRock Systems, Germany)

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Of JavaScript AOT Compilation Performance
Manuel Serrano 
(Inria, France; University of Côte d'Azur, France)

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Generalized Evidence Passing for Effect Handlers: Efficient Compilation of Effect Handlers to C
Ningning Xie and Daan Leijen 
(University of Hong Kong, China; Microsoft Research, USA)

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Algebras for Weighted Search
Donnacha Oisín Kidney  and Nicolas Wu 
(Imperial College London, UK)

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Reasoning about Effect Interaction by Fusion
Zhixuan Yang  and Nicolas Wu 
(Imperial College London, UK)

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Deriving Efficient Program Transformations from Rewrite Rules
John M. Li  and Andrew W. Appel 
(Princeton University, USA)

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Contextual Modal Types for Algebraic Effects and Handlers
Nikita Zyuzin  and Aleksandar Nanevski 
(IMDEA Software Institute, Spain; Universidad Politécnica de Madrid, Spain)

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Automatic Amortized Resource Analysis with the Quantum Physicist’s Method
David M. Kahn and Jan Hoffmann 
(Carnegie Mellon University, USA)

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Catala: A Programming Language for the Law
Denis Merigoux , Nicolas Chataing, and Jonathan Protzenko 
(Inria, France; ENS, France; Microsoft Research, USA)

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Symbolic and Automatic Differentiation of Languages
Conal Elliott 

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Propositions-as-Types and Shared State
Pedro Rocha and Luís Caires 
(Nova University of Lisbon, Portugal)

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Reasoning about the Garden of Forking Paths
Yao Li , Li-yao Xia , and Stephanie Weirich 
(University of Pennsylvania, USA)

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Theorems for Free from Separation Logic Specifications
Lars Birkedal , Thomas Dinsdale-Young, Armaël Guéneau , Guilhem Jaber, Kasper Svendsen, and Nikos Tzevelekos
(Aarhus University, Denmark; Concordium, Denmark; University of Nantes, France; Uber, Denmark; Queen Mary University of London, UK)

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Calculating Dependently-Typed Compilers (Functional Pearl)
Mitchell Pickard and Graham Hutton 
(University of Nottingham, UK)

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Grafs: Declarative Graph Analytics
Farzin Houshmand , Mohsen Lesani , and Keval Vora
(University of California at Riverside, USA; Simon Fraser University, Canada)

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Certifying the Synthesis of Heap-Manipulating Programs
Yasunari Watanabe, Kiran Gopinathan , George Pîrlea, Nadia Polikarpova , and Ilya Sergey 
(Yale-NUS College, Singapore; National University of Singapore, Singapore; University of California at San Diego, USA)

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Steel: Proof-Oriented Programming in a Dependently Typed Concurrent Separation Logic
Aymeric Fromherz, Aseem Rastogi , Nikhil Swamy , Sydney Gibson, Guido Martínez, Denis Merigoux , and Tahina Ramananandro 
(Carnegie Mellon University, USA; Microsoft Research, India; Microsoft Research, USA; CIFASIS-CONICET, Argentina; Inria, France)

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Compositional Optimizations for CertiCoq
Zoe Paraskevopoulou, John M. Li, and Andrew W. Appel 
(Northeastern University, USA; Princeton University, USA)

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On Continuation-Passing Transformations and Expected Cost Analysis
Martin Avanzini , Gilles Barthe , and Ugo Dal Lago 
(Inria, France; MPI-SP, Germany; University of Bologna, Italy)

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Getting to the Point: Index Sets and Parallelism-Preserving Autodiff for Pointful Array Programming
Adam Paszke , Daniel D. Johnson, David Duvenaud, Dimitrios Vytiniotis, Alexey Radul , Matthew J. Johnson , Jonathan Ragan-Kelley , and Dougal Maclaurin 
(Google Research, Poland; Google Research, Canada; University of Toronto, Canada; DeepMind, UK; Google Research, USA; Massachusetts Institute of Technology, USA)

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Distributing Intersection and Union Types with Splits and Duality (Functional Pearl)
Xuejing Huang  and Bruno C. d. S. Oliveira 
(University of Hong Kong, China)

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ProbNV: Probabilistic Verification of Network Control Planes
Nick Giannarakis, Alexandra Silva , and David Walker 
(University of Wisconsin-Madison, USA; University College London, UK; Cornell University, USA; Princeton University, USA)

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Efficient Tree-Traversals: Reconciling Parallelism and Dense Data Representations
Chaitanya Koparkar, Mike Rainey , Michael Vollmer, Milind Kulkarni , and Ryan R. Newton
(Indiana University, USA; Carnegie Mellon University, USA; University of Kent, UK; Purdue University, USA)

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GhostCell: Separating Permissions from Data in Rust
Joshua Yanovski, Hoang-Hai Dang , Ralf Jung , and Derek Dreyer 
(MPI-SWS, Germany)

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Higher-Order Probabilistic Adversarial Computations: Categorical Semantics and Program Logics
Alejandro Aguirre , Gilles Barthe , Marco Gaboardi , Deepak Garg , Shin-ya Katsumata , and Tetsuya Sato 
(Aarhus University, Denmark; MPI-SP, Germany; IMDEA Software Institute, Spain; Boston University, USA; MPI-SWS, Germany; National Institute of Informatics, Japan; Tokyo Institute of Technology, Japan)

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Skipping the Binder Bureaucracy with Mixed Embeddings in a Semantics Course (Functional Pearl)
Adam Chlipala 
(Massachusetts Institute of Technology, USA)

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CPS Transformation with Affine Types for Call-By-Value Implicit Polymorphism
Taro Sekiyama  and Takeshi Tsukada 
(National Institute of Informatics, Japan; Chiba University, Japan)

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Newly-Single and Loving It: Improving Higher-Order Must-Alias Analysis with Heap Fragments
Kimball Germane  and Jay McCarthy 
(Brigham Young University, USA; University of Massachusetts at Lowell, USA)

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