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Parallel square roots

Submit a batch of math.sqrt calls to Scaler and collect the results.

# Connection settings -- edit these to point at your running scheduler.
SCHEDULER_ADDRESS = "ws://127.0.0.1:2345"  # edit me -- supports tcp:// or ws://; only ws:// works in JupyterLite (browser)

# Optional: override the object-storage address advertised by the scheduler
# (useful when the scheduler is behind Docker/Kubernetes port mapping).
OBJECT_STORAGE_ADDRESS = None  # edit me -- leave None to use whatever the scheduler advertises

import math

from scaler import Client

with Client(address=SCHEDULER_ADDRESS, object_storage_address=OBJECT_STORAGE_ADDRESS) as client:
    futures = [client.submit(math.sqrt, value) for value in range(16)]
    results = [future.result() for future in futures]

for value, result in enumerate(results):
    print(f"sqrt({value:2d}) = {result:.4f}")