Feeding the Beast: The Real Cost of Speculative Execution in AI Data Centers

Feeding the Beast: The Real Cost of Speculative Execution in AI Data Centers
by Jonah McLeod on 04-30-2025 at 10:00 am

Per Module Cost Breakdown RISCV

For decades, speculative execution was a brilliant solution to a fundamental bottleneck: CPUs were fast, but memory access was slow. Rather than wait idly, processors guessed the next instruction or data fetch and executed it ‘just in case.’ Speculative execution traces its lineage back to Robert Tomasulo’s work… Read More