The deadline for submissions for IWOCL 2020, the 8th International Workshop on OpenCL, including SYCLcon https://www.iwocl.org/ is on January 19th.
For technical presentations, posters & tutorials the organisers just require an abstract by the deadline. For a research paper the full paper is required. More details at: https://www.iwocl.org/call-for-submissions/
IWOCL 2020 takes place at the the LRZ (Leibniz Supercomputing Centre) Munich, 27-29 Apr, 2020 and is sponsored by The Khronos Group, Codeplay Software and Intel.