Fujitsu claims to have built the world’s fastest quantum computing simulator. The simulator handles 36-qubit quantum circuits on a cluster system.
The simulator is based on Fujitsu’s PRIMEHPC FX 700 supercomputer. This supercomputer features the same A64FX processor that powers Fugaku, the world’s fastest supercomputer. On paper, the system can achieve computing speeds of 3,072 teraflops (floating-point operations per second).
The simulator combines 64 PRIMEHPC FX 700 nodes with Qualacs, a simulation software program. The simulation software of other vendors is compatible as well, including QisKit.
New method for arranging qubits
Additionally, Fujitsu developed a means of rearranging qubits in the cluster’s distributed memory. This should bring down the communication cost.
Fujitsu is simultaneously working on other, more powerful quantum computing simulators. A 40-node simulator is planned for September this year. This simulator is tailored to financial and medical research.
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