Staff Compiler Performance Engineer
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Job Description
Staff Compiler Performance Engineer setting performance strategy for Azul’s Falcon JIT compiler. Leading optimizations, architecture, hardware enablement, and LLVM contributions.
Responsibilities:
- Define the performance strategy for Falcon: identify the largest opportunities across benchmarks and customer workloads and turn them into a technical roadmap
- Lead design of complex, cross cutting optimizations in the optimizer and code generator, and of the interfaces between the compiler, the runtime and the garbage collector
- Make architectural decisions on the Falcon optimization pipeline, compile time budget and tiering strategy
- Lead enablement of Falcon on new hardware platforms and new Azul products
- Mentor senior engineers, review critical designs and code, and set standards for performance methodology and validation
- Represent Azul in the LLVM community: drive upstream design discussions and contributions that benefit managed language compilers
Requirements:
- 8+ years of professional experience developing optimizing compilers or JIT compilers
- Track record of technical leadership: owning the design of major compiler components or optimization frameworks used in production
- Expert C++ skills and experience in large, long lived codebases
- Deep expertise in compiler optimization and code generation, with a clear view of the tradeoffs between peak performance, compile time, warmup and code size
- Expert performance analysis skills down to the microarchitecture level
- Recognized contributions to LLVM or another major compiler: code owner, maintainer or author of significant upstream work (nice to have)
- Deep experience with JIT compilers for managed languages: HotSpot C2, Graal, V8, .NET RyuJIT or similar (nice to have)
- Experience working closely with runtime and GC teams on speculation, deoptimization and barrier design (nice to have)
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