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ORM Performance & Raw SQL

The question is not whether your ORM is slow. The question is how much performance you are leaving on the table, and whether you have measured it. I have. Extensively.

1 ORM vs Raw SQL Performance: Settling This Matter Once and for All2 PostgreSQL ORM Performance: The Comprehensive Benchmark3 The Counter Cache Showdown: Four Approaches to Counting, Benchmarked on PostgreSQL4 Polymorphic Associations Are Undermining Your PostgreSQL Performance5 Single Table Inheritance on PostgreSQL: The Performance Pitfalls at Scale, and the Escape Routes
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