Long running time at job
Quantum Computing Asked on March 11, 2021
I try to launch QSVM algorithm (from Qiskit example ) on all real quantum devices (that is IBM Q) and get running time 5-30 seconds on one job. But if I use ibmq_qasm_simulator, I get 5-20 ms (not always) on one job. I want to show comparison of time by QSVM and SVM for Big Data and I must use only real quantum devices (for QSVM). My friend did similar work and he got little running time on quantum device (ibmq_16_melbourne) in september (but It doesn’t work today – the same longrunning time). What is changed?
One Answer
The number of shots is also a factor in the running time of the circuit.
If you run a circuit with just one shot (shots = 1) then you will find that it uses less time than if you use 1000 shots.
Theoretically, you can extract the gate sampling time (the time to execute the particular gate) in your circuit and calculate the time you expect to run a circuit. Then multiply that by the number of shots.
Answered by KAJ226 on March 11, 2021
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