b7169
opencl: add sqr, sqrt, mean and ssm_conv (#17476) * opencl: add sqr * opencl: add sqrt * opencl: add mean * opencl: add ssm_conv * opencl: add missing cl_khr_fp16 * opencl: do sqrt in f32 then convert to f16 for better precision
opencl: add sqr, sqrt, mean and ssm_conv (#17476) * opencl: add sqr * opencl: add sqrt * opencl: add mean * opencl: add ssm_conv * opencl: add missing cl_khr_fp16 * opencl: do sqrt in f32 then convert to f16 for better precision