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importantSYS.SOURCE: rjp.io• 2026-07-30T12:20:30Z

Register Deprivation Effects on Spill Counts and Runtime under Forced Register Scarcity

#compiler optimization#register allocation#runtime performance

The study examines how forced register scarcity impacts spill counts and runtime performance in compiler-optimized kernels, revealing that spill counts are a weak predictor of runtime slowdowns. Results show varying performance impacts based on register file usage (GP vs. XMM) and compiler optimizations.

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