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A hosted programming language, Deltalanguage allows the programmer to define a graph of all the compute elements and declare the transport of data between them. Depending on which type of hardware a part of the programme is running on, the nodes of this graph get filled with python (for the CPU) or migen (for the FPGAs). A hardware abstraction layer is built into the language, that standardises which operations can be triggered on qubits. This makes Deltaflow.OS® portable across technologies.

Our runtime takes care of executing Deltaflow® programmes, scheduling and system services. Its networking and communication abstractions allow you to create communication channels on clusters of FPGAs. The Deltaflow® language and runtime form an operating system which we can install in your lab. Alongside the OS, we build emulators of the control stack that facilitate debugging and continuous integration.

Riverlane’s application library in Deltaflow.OS® is called Anian®, after a semi-mythical strait believed to give access to the Arctic Northwest Passage. Anian® provides quantum chemistry applications. Driven by the needs of end-users, Anian® includes our patented algorithms that decrease quantum hardware requirements, such as the accelerated Variational Quantum Eigensolver. It includes different ansätze, measurement strategies, noise models and algorithms.