Wikipedia
The International Workshop on OpenCL (IWOCL – "eye-wok-ul") is an annual event that brings together the community of OpenCL users, researchers, developers and suppliers to share OpenCL best practise and help advance the use of the Khronos OpenCL standard for the parallel programming of heterogeneous systems. Participation at IWOCL is open to anyone who is interested in contributing to, and participating in the OpenCL community including developers working with the many APIs, tools and libraries built on OpenCL, including Khronos' SPIR (Standard Portable Intermediate Representation) and SYCL (C++ abstraction layer). A Call for Sessions usually goes out in the Autumn before the event the following May. IWOCL also provides a formal channel for community feedback to the Khronos OpenCL promoters and contributors, with many attendees being members of Khronos.