|Workload type||Lucas-Lehmer test|
clLucas is an OpenCL-based program written by Shoichiro Yamada for testing Mersenne numbers for primality with Lucas-Lehmer test. It is an OpenCL counterpart of CUDALucas, also developed by Shoichiro Yamada.
clLucas was one of the verification programs for M49 (274,207,281-1).
The name "CLLucas" was first suggested by user kraker at MersenneForum.