When playing with some iceland tools which is https://github.com/iceland2k14/kangaroo i got this speed on CPU
 

• [24894.64 TeraKeys/s][Kang 28672][Count 2^29.29/2^29.10][Elapsed 06s][Dead 1][RAM 53.4MB/46.0MB]

Is it good bad fake idk but like i know iceland tools are good