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Feature/docs update #82

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Feature/docs update #82

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77403f6
Update README example to use poll_timeout_seconds
randalld-aws May 18, 2020
b99cdcb
Update to README to correct the description for poll_timout
randalld-aws May 18, 2020
8e765fe
Update README description of polling_timeout_seconds
randalld-aws May 19, 2020
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5 changes: 3 additions & 2 deletions README.md
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Expand Up @@ -254,7 +254,7 @@ Tasks sent to QPUs don't always run right away. For IonQ, jobs are run once ever
## Running a Quantum Algorithm on a Quantum Computer
With Amazon Braket, you can run your quantum circuit on a physical quantum computer. The steps to do so are the same as those described to validate your environment. Just replace the example code provided in this document with your own code.

The following example executes the same Bell Pair example described to validate your configuration against a Rigetti quantum computer.
The following example executes the same Bell Pair example described to validate your configuration against a Rigetti quantum computer. When you execute your task, Braket polls for a result. If it a result is not returned during the default polling time, such as when a QPU is unavailable, a local timeout error is returned. To avoid receiving timeout errors, you can include `poll_timeout_seconds` parameter and specify a longer polling time. In this example, `poll_timeout_seconds=86400` sets the polling time to one day (24 hours).
```python
import boto3
from braket.circuits import Circuit
Expand All @@ -266,7 +266,8 @@ device = AwsQpu(AwsQpuArns.RIGETTI)
s3_folder = (f"braket-output-{aws_account_id}", "RIGETTI")

bell = Circuit().h(0).cnot(0, 1)
print(device.run(bell, s3_folder).result().measurement_counts)
print(device.run(bell, s3_folder),
poll_timeout_seconds=86400).result().measurement_counts)
```

Specify which quantum computer hardware to use by changing the value of the `device_arn` to the value for quantum computer to use:
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