Only enable QUEUE_PROFILING when needed, impacts performance
Merge branch 'master' of https://github.com/ddemidov/vexcl
Vector elements from pointer not supported for AMD.
link to generator in kernels
Revert "A workaround for a bug in AMD OpenCL"

This reverts commit 06660f0130fade48e360f2940bed38fae8646dd2.
Merge remote-tracking branch 'neapel/master'
Use boost.chrono in profiler
Simplify opencl profiling

Replace inefficient event processing with queue finish/cpu tic combination
Changed device weight function signature

No need to create queue with enabled profiling
Changes in profiling