For openSUSE Tumbleweed run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:opencl:stable/openSUSE_Tumbleweed/home:mnhauke:opencl:stable.repo
zypper refresh
zypper install clpeak
For openSUSE Leap 42.3 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:opencl:stable/openSUSE_Leap_42.3/home:mnhauke:opencl:stable.repo
zypper refresh
zypper install clpeak
For openSUSE Factory run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:opencl:stable/openSUSE_Factory/home:mnhauke:opencl:stable.repo
zypper refresh
zypper install clpeak
For 15.4 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/home:mnhauke:opencl:stable/15.4/home:mnhauke:opencl:stable.repo
zypper refresh
zypper install clpeak