Static Single Assignment (SSA) Professors and Supervisors

Florian BrandnerView profile

Associate Professor

Télécom ParisFrance

Florian Brandner is an Associate Professor at Télécom Paris , Institut Polytechnique de Paris, and a member of the AuTonomous Critical Embedded Systems (ACES) team within the Information Processing and Communication Laboratory (LTCI) . His research focuses on compiler backend optimization for embedded processors , especially VLIW architectures , in the context of real-time systems . He specializes in worst-case execution time (WCET) optimization , code generation techniques, register allocation, and dynamic binary translation. His work addresses challenges in identifying code paths critical for WCET and ensuring predictable behavior in embedded environments. Academic Appointments: Associate Professor (HDR) at Télécom Paris (2025–present); previous roles at COMPSYS team, ENS Lyon; Microsoft Research; Technical University of Denmark. Research Grants: Involved in projects like Designing Formally Verified Predictable Architectures (CEA 2023–2026), Collaborative Action on Timing Interferences (ANR 2022–2026), and Time-Predictable Cache Management (CEA 2016–2019). Scientific Awards: Outstanding Paper at ECRTS'25, Best Paper at RTNS'22, RTNS'20, SoftCOM'17, and RTNS'15. Patents: Co-inventor of Time-Division Multiplexing Methods (US Patent US20210397488A1, French Patent FR3087982B1). Recent Publications highlight advancements in formal verification for memory controllers (Real-Time Systems 2023), causality modeling in timing anomalies (STTT 2022), and context-sensitive cache analysis (Real-Time Systems 2022). His work spans real-time systems theory, practical compiler design, and hardware-software co-verification.

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Sandrine BlazyView profile

Professor

Max Planck Institute for Software SystemsGermany

Sandrine Blazy is a Professor in the Computer Science Department at the University of Rennes, France. She is a member of CELTIQUE (also referred to as Epicure), a joint project-team with Inria Rennes Bretagne Atlantique and the IRISA laboratory. Since 2021, she has served as deputy director of the IRISA CNRS UMR 6074 laboratory and will be the general chair for POPL 2026, which will be held in Rennes. She is also a member of the editorial board of the LMCS journal. Dr. Blazy completed her PhD at CNAM (Conservatoire National des Arts et Métiers) in 1993 with a thesis titled "La spécialisation de programmes pour l'aide à la maintenance du logiciel" (Program Specialization for Software Maintenance Assistance). She later completed her Habilitation à diriger des recherches (HDR) in 2008 at the University of Évry Val d'Essonne with a thesis titled "Sémantiques formelles" (Formal Semantics). Her research focuses on the formal verification of program transformations and semantic properties of programming languages, particularly in the context of the CompCert compiler and Verasco static analyzer. She develops mechanized semantics using the Coq (or Rocq) proof assistant to ensure software correctness and security. A prime application domain of her work is software security, including constant-time programming for cryptographic applications and software obfuscation techniques. Her teaching includes mechanized semantics (in Coq), functional programming (in OCaml), formal methods (using Why3), and software vulnerabilities. Dr. Blazy's publication record from 2019-2025 shows a sustained focus on verified compilation techniques, particularly in preserving security properties during compilation. Her work bridges theoretical formal methods with practical compiler implementation, resulting in tools that have real-world impact in safety-critical systems. She has made significant contributions to the CompCert formally verified compiler project, with particular attention to constant-time preservation for cryptographic applications and JIT compilation verification. Her scientific achievements have been recognized with several major awards: CNRS Silver Medal (2023) Lucas Award from Formal Methods Europe (2023) ACM SIGPLAN Programming Languages Software Award for CompCert (2022) ACM Software System Award for CompCert (2021) Dr. Blazy has been actively involved in the programming languages research community, serving on numerous program committees for major conferences including POPL, ICFP, PLDI, and CPP. She has mentored students and contributed to education through teaching mechanized semantics and formal methods. Her work with the CompCert compiler has led to practical applications in safety-critical systems, with industry collaborations documented in publications like "CompCert: Practical experience on integrating and qualifying a formally verified optimizing compiler" (ERTS 2018). She leads research within the CELTIQUE project team, which focuses on developing trustworthy software using deductive verification. Her team works on advancing the state of the art in formal verification of compilers and static analyzers, with applications in security-critical domains including cryptographic implementations and safety-critical embedded systems.

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Delphine DemangeView profile

Associate Professor

Max Planck Institute for Software SystemsGermany

Delphine Demange is an Associate Professor in Computer Science at the University of Rennes, affiliated with Inria, CNRS, and IRISA. She works in the Epicure research group (formerly Celtique) and focuses on formal semantics, compiler verification, program transformations, static analysis, computer-aided verification, and language-based security. Her career spans roles at the University of Pennsylvania as a postdoctoral researcher and a PhD at ENS Cachan-Brittany Extension under Thomas Jensen and David Pichardie. Her research interests center on formal methods for programming languages , particularly through compiler verification , static analysis , and language-based security . She has mechanized semantics for dataflow circuits and SSA-based optimizations, bridging theoretical rigor with practical compiler correctness. Her work often leverages interactive theorem provers like Coq to ensure robustness. Delphine’s recent publications (2025–2010) highlight her expertise in formal verification of compilers, dataflow analysis , and concurrent systems . Notable trends include mechanized semantics for gated SSA and dataflow circuits , verified intermittent computing models, and concurrent garbage collectors using rely-guarantee methodologies. Scientific Awards: EAPLS Best PhD Dissertation Award (2012) Gilles Kahn PhD Thesis Award (2013) Teaching: She has taught undergraduate and master’s courses including Java programming, algorithmics, deductive verification with Why3, compilation, and software security. Her pedagogical contributions span functional programming, semantics, and logic. Professional Service: Delphine has served on steering committees for CC (2021–2024), co-chaired JFLA 2024 and 2023, and participated in program committees for conferences like CGO, OOPSLA, and POPL.

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Simone CampanoniView profile

Associate Professor

Northwestern UniversityUnited States

Simone Campanoni is an Associate Professor in the Department of Computer Science at Northwestern University, with a courtesy appointment in Electrical and Computer Engineering. His research focuses on compilers, computer architecture, runtime systems, and parallel computing. He leads the research lab, emphasizing co-design approaches to address hardware and application trends. Education: Ph.D., M.S., and B.S. in Information Technologies and Computer Engineering from Politecnico di Milano. Research Interests: Compilers, memory-centric optimizations, parallelization of sequential code, hardware-software co-design, and resilient architectures. His work includes the NOELLE compiler framework, LLVM extensions, and energy-efficient parallelization techniques. Recent Work: Contributions include energy-efficient bitwidth speculation, GPU scheduling (GhOST), and compiler-based memory protection (CAMP). His projects often involve collaborations with industry (e.g., Google) and academic partners. Awards: Best Teacher Award (2018), HiPEAC awards (2014, 2012), and multiple top-tier conference recognitions. His research has been funded by NSF, DOE, and industry grants totaling over $10 million. Grants & Labs: Leads NSF-funded projects on parallelism, compiler-architecture co-design, and neural network training. His lab develops tools like NOELLE and GINO, open-sourced to advance compiler research. Team & Students: Advises PhD and Master’s students in parallel computing, memory systems, and compiler design. Notable advisees include Riley Boksenbaum, Tommy McMichen, and Enrico Deiana.

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Delphine DemangeView profile

Associate Professor

National and Kapodistrian University of AthensGreece

Delphine Demange is an Associate Professor in Computer Science at University of Rennes, working in the Epicure research group (formerly Celtique) at IRISA (UMR 6074 / Inria). Her research focuses on formal methods for programming languages and compilers, with particular emphasis on compiler verification, program semantics, and language-based security. Her research interests include formal semantics of programming languages, program transformations, compiler verification, static analysis, computer-aided verification, and language-based security. She has made significant contributions to the formal verification of compiler intermediate representations, particularly static single assignment (SSA) form, and has worked extensively on verified compilation techniques. Her publication record shows a consistent focus on formal verification of programming language constructs and compiler components. Recent work (2023-2025) centers on dataflow circuits and solvers, while earlier work (2015-2020) focused on SSA-based optimizations, garbage collection verification, and information-flow security architectures. Her research demonstrates a strong commitment to applying formal methods to practical compiler and language implementation problems. Her scientific awards include the EAPLS Best PhD Dissertation Award in 2012 and the Gilles Kahn PhD Thesis Award in 2013 for her thesis Semantic Foundations of Intermediate Program Representations . She serves on numerous program committees for major programming languages conferences including CC, CGO, OOPSLA, and POPL, and has held leadership roles such as Program Co-Chair for CC 2021 and General Co-Chair for JFLA 2023 and 2024. She is also a member of the CC Steering Committee (2021-2024). Her teaching portfolio includes undergraduate and graduate courses in programming, algorithmics, compilation, and program verification, with a particular focus on trustworthy programming techniques using deductive verification in Why3.

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Fabrice RastelloView profile

Researcher

National and Kapodistrian University of AthensGreece

Fabrice Rastello is a leading researcher at Inria, France, where he serves as the leader of the CORSE (Compiler Optimization and Runtime SystEms) research team. His expertise spans automatic parallelization and compiler back-end optimization, with significant contributions to Static Single Assignment (SSA) form theory and register allocation techniques. Affiliated with University Grenoble Alpes - Inria - CNRS - Grenoble INP - LIG, he maintains an active research profile with continuous publications in top-tier conferences including PLDI, CGO, and PPoPP. His research interests focus on combining theoretical foundations with practical applications in compiler design. Key areas include automatic parallelization techniques (building on his PhD work on tiling as a loop transformation), compiler back-end optimization, and the emerging field of hybrid compilation that bridges static compilation with runtime techniques. He has made significant contributions to register allocation for JIT compilation in the context of SSA properties, advising three PhD students on related topics. Analysis of his recent publications reveals a strong trend toward data movement optimization, with numerous papers on I/O complexity bounds, cache modeling, and microarchitectural performance analysis. His work spans both theoretical computer science and practical applications, including contributions to healthcare technology during the pandemic with the eSpiro ventilator project. He has also explored intersections between compiler techniques and machine learning, particularly in using ML for performance modeling. Fabrice Rastello serves on program committees for major conferences in the field, including PLDI, CGO, and CC, demonstrating his standing in the research community. His 2022 book 'SSA-based Compiler Design' as editor further establishes his authority in compiler theory and practice. His recent work shows continued innovation in compiler techniques, with publications in 2024 demonstrating ongoing research activity across multiple domains including cache modeling, program analysis, and machine learning applications.

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Delphine DemangeView profile

Associate Professor

InriaFrance

Delphine Demange is an Associate Professor in Computer Science at the University of Rennes, affiliated with Inria, CNRS, and IRISA, where she conducts research in the Epicure group. Her work focuses on programming languages, formal semantics, compiler verification, and program verification using interactive theorem provers. Research Interests: Programming Languages Implementation Compiler Verification Formal Semantics Program Verification with Interactive Theorem Provers Static Analysis and Language-Based Security Her recent publications demonstrate a strong trend in mechanized semantics, verified compilation, and correctness of intermediate representations such as SSA forms and dataflow circuits. She frequently employs Coq for formal verification and contributes to foundational aspects of compiler correctness. Scientific Awards: EAPLS Best PhD Dissertation Award 2012 Gilles Kahn PhD Thesis Award 2013 Delphine Demange has held significant service roles, including Program Co-Chair for CC 2021 and General Co-Chair for JFLA 2023 and 2024. She has served on numerous program committees for top conferences such as POPL, PLDI, CPP, ESOP, and OOPSLA, reflecting her active engagement in the programming languages community. She teaches courses in programming, algorithmics, compilation, semantics, and software security at both undergraduate and master's levels. She is part of the Epicure research team at IRISA, focusing on verified systems and programming language foundations.

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Sebastian HackView profile

Professor

Saarland UniversityGermany

Sebastian Hack is a Professor of Computer Science at Saarland University since 2010. He previously served as an assistant professor at the same university (2008-2010), a Post-Doc at EPFL in the LAMP lab, and a Post-Doc with INRIA at ENS Lyon. His research focuses on compiler construction, domain-specific languages, program analysis and synthesis, code generation, and vectorization. Recent publications highlight advancements in program synthesis (Sorting Kernels), memory safety instrumentations, automatic differentiation frameworks (MimIrADe), microarchitectural analysis (AnICA), and GPU acceleration for bioinformatics (Anyseq/gpu). His work bridges theoretical compiler design with practical applications in high-performance computing and security. He has held administrative roles as Dean of Study Affairs (2012-2014) and Dean of the Department of Mathematics and Computer Science (2018-2020). His software contributions include libFirm and GrGen , and he maintains active involvement in projects like AnyDSL and UniAna.

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