Quick Reference

The three machines

	Euro-Q-Exa	Piast-Q	VLQ
Site	LRZ, Germany	PCSS, Poland	IT4Innovations, Czechia
Technology	Superconducting	Trapped ion	Superconducting
Qubits	54	20	24
Connectivity	Square lattice	All to all	Star, through one resonator
Native gates	r, cz	RZ, R, RXX	prx, cz, move
Who transpiles	The site	You	You
Authentication	Bearer token from a portal	API key header	Federated identity token
Credential lifetime	Token: no expiry		Access token: it expires, so check the time left
Time is billed in	Wall-clock QPU seconds	Device time, including ion loading	Device execution time
Job size limit	Shots × gates at most 3 million	200 shots
Access shape	One REST call	One REST call	Two jobs
Page	A few details on Euro-Q-Exa	A few details on Piast-Q	A few details on VLQ

Links, by task

A dash means this lesson lists no official page for that cell.

Task	EuroHPC JU	LRZ, Euro-Q-Exa	PCSS, Piast-Q	IT4Innovations, VLQ
Apply	• User Portal • Call for proposals for Quantum Access Pilot Mode	-	-	-
Policy	• Supercomputers Access Policy and FAQ	-	-	-
Machines	• Quantum Computing & Access • Our Quantum Computers	-	• PIAST-Q	• VLQ quantum computer
Accounts	-	• IDM-Portal 2 • Munich Quantum Portal	-	• VLQ, Access • LEXIS portal • LEXIS login guide
Submit jobs	-	-	-	• VLQ, Access
HPC-QC jobs	-	• HPCQC System Access and HPCQC Job Submission via MQSS-Adapter • MQSS Interfaces Documentation	-	-
Time counted	-	• Definition of the computing unit for the LRZ Quantum Systems	-	• Estimating Consumption on VLQ
Calibration	-	-	-	• VLQ Calibration API
Acknowledge	-	• Acknowledgement formulations	-	• Acknowledgments in publications
Support	-	• User Support and Request Mechanisms • Servicedesk, Consulting Quantum Computing	• Contact details	• Help and Support

For the SSH steps to LRZ’s HPC-QC system, see Reaching LRZ’s HPC-QC system.