Pronounced "clobber". This is a OpenCL benchmarking program based on krrishnarraj/clpeak.
$ npm install
[...]
$ npm test
====================
[0] Platform Apple
[0.0] Intel(R) Core(TM) i7-4980HQ CPU @ 2.80GHz
[0.1] Iris Pro
[0.2] GeForce GT 750M
====================
$ npm test 1 2
[...]
npm test
accepts the IDs of the compute devices you want to benchmark.
The results seem to be comparable to krrishnarraj/clpeak, but no effort was made to formally verify them.