Working note · processing task
A cheap test can answer the expensive question.
Estimate with a representative sample, save progress, and decide what evidence justifies moving to a larger run.
Choose a useful sample
The test uses enough material to expose memory, output, and timing problems without pretending ten seconds predicts every workload.
Set the stop first
A spending limit, time limit, and checkpoint plan are visible before the task begins.
Compare the result you need
The reader decides whether speed, cost, repeatability, or output quality matters before choosing a larger machine.
Build a small testRead the cost checklist
