Make parsl-perf iterations have at least 1 task #2896
Merged
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Prior to this PR: In some startup situations, the estimated number of tasks for the next iteration can round down to 0, and then parsl-perf can sometimes enter an infinite loop without increasing the loop size:
==== Iteration 29463 ====
Will run 0 tasks to target 20.0 seconds runtime
Submitting tasks / invoking apps
All 0 tasks submitted ... waiting for completion
Submission took 2.1457672119140625e-06 seconds = 0.0 tasks/second Runtime: 1.049041748046875e-05s vs target 20.0
Tasks per second: 0.0
Type of change