Graphcore - Senior Software Engineer - AI Compute Libraries & Performance
Responsibilities
• Design and implement kernels for linear algebra and tensor ops (GEMM, batched GEMM, convolutions, reductions, elementwise and fused operations) in C++ • Own performance and correctness - add microbenchmarks, regression tests, numerics validation • Profile and optimise across for next generation of AI hardware - threading, cache locality, memory layout, and kernel launch efficiency. • Debug issues, resolve bugs and generally improve the quality and functionality of the product • Actively engage in and support Agile ways of working within the team • Mentor colleagues within the team, sharing knowledge and providing guidance where appropriate • Candidate Profile • Candidate Profile • Essential • Excellent programming and scripting skills using C++ and Python • Understanding of processor architectures and profiling on Linux • Possess excellent written and oral communication skills, good work ethics, high sense of team-work • Love to produce quality work and be a team player • Desirable • Strong command of algorithmic performance - vectorisation, memory hierarchy, threading, lock-free patterns • Hands-on with at least one BLAS/DNN stack and able to read/extend kernels • Comfort with CPU micro-optimisations and numerical stability/trade-offs across FP32/FP16/BF16/FP8 • Experience integrating native code into PyTorch or similar (custom ops, extensions, dispatch keys) • ABI/API stability and packaging for Linux system (manylinux, wheels)
Benefits
• In addition to a competitive salary, Graphcore offers flexible working, a generous annual leave policy, private medical insurance and health cash plan, a dental plan, pension (matched up to 5%), life assurance and income protection. We have a generous parental leave policy and an employee assistance programme (which includes health, mental wellbeing, and bereavement support). We offer a range of healthy food and snacks at our central Bristol office and have our own barista bar! We welcome people of different backgrounds and experiences; we’re committed to building an inclusive work environment that makes Graphcore a great home for everyone. We offer an equal opportunity process and understand that there are visible and invisible differences in all of us. We can provide a flexible approach to interview and encourage you to chat to us if you require any reasonable adjustments. • Applicants for this position must hold the right to work in the UK. Unfortunately at this time, we are unable to provide visa sponsorship or support for visa applications
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