diff --git a/runtime-docs/faqs/max_execution_time.rst b/runtime-docs/faqs/max_execution_time.rst new file mode 100644 index 00000000000..34271a5fbdd --- /dev/null +++ b/runtime-docs/faqs/max_execution_time.rst @@ -0,0 +1,41 @@ +.. _faqs/max_execution_time: + +============================================================ +What is the maximum execution time for a Qiskit Runtime job? +============================================================ + +To ensure fairness, there is a maximum execution time for each Qiskit Runtime job. If +a job exceeds this time limit, it is forcibly cancelled. This is represented in the job +status as `Cancelled - Ran too long`. The maximum execution time is the +smaller of 1) the system limit and 2) the ``max_execution_time`` defined by the program. +The system limit is defined below: + +Qiskit Runtime on IBM Cloud +--------------------------- + +The system limit on the job execution time is 3 hours for a job running on a simulator +and 8 hours for a job running on a physical system. + +Qiskit Runtime on IBM Quantum +----------------------------- + +The system limit on the job execution time is + ++------------------+--------------+-----------+--------------+-----------+ +| | Public Program | Private Program | ++==================+==============+===========+==============+===========+ +| | Premium User | Open User | Premium User | Open User | ++------------------+--------------+-----------+--------------+-----------+ +| Simulated Device | 3h | 1h | 3h |1h | ++------------------+--------------+-----------+--------------+-----------+ +| Real Device | 8h | 4h | 8h |2h | ++------------------+--------------+-----------+--------------+-----------+ + +Note that a *premium user* here means a user who has access to backends in providers other than ibm-q/open/main. + + +Other Limitations +----------------- + +- Programs cannot exceed 750KB in size. +- Inputs to jobs cannot exceed 64MB in size. \ No newline at end of file diff --git a/runtime-docs/faqs/open_source_vs_ibm_cloud_primitives.rst b/runtime-docs/faqs/open_source_vs_ibm_cloud_primitives.rst new file mode 100644 index 00000000000..4ce2f686201 --- /dev/null +++ b/runtime-docs/faqs/open_source_vs_ibm_cloud_primitives.rst @@ -0,0 +1,9 @@ +.. _faqs/open_source_vs_ibm_cloud_primitives: + +================================================================================================= +What is the difference between the open source primitives and primitives available via IBM Cloud? +================================================================================================= + +The open source primitive contains the base classes (to define interfaces) and a reference implementation. +The Qiskit Runtime primitive is planned to provide more sophisticated implementation (such as with error +mitigation) as runtime service. \ No newline at end of file