I hope they have improved their software since the days of Horizon.
Fujitsu Cloud Service HPC includes the compute power of the Fujitsu PRIMEHPC FX1000, based on the same A64FX 64-bit Arm chip used in the Fugaku supercomputer, which still holds the crown as the world's fastest, according to the TOP500 list.
If they haven't then the hardware will being throwing errors faster than people can sign up.