Highly Divergent Profiles: For routing configurations that are not pre-calculated as common scenarios and whose costs vary too much from default configurations, the original A* algorithm might still be faster (and is often used as an automatic fallback).
2. It Was Just an Accident
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Капитан рассказал о долетающих до Европы ракетах ИранаЭксперт Сивков: Баллистические ракеты Ирана могут долететь до Европы
The first step, is to stop allocating "memory", and start allocating specific somethings else. Consider the usage pattern: