Article 4Y03Q LLVM 10 Adds Option To Help Offset Intel JCC Microcode Performance Impact

LLVM 10 Adds Option To Help Offset Intel JCC Microcode Performance Impact

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from Phoronix on (#4Y03Q)
Disclosed back in November was the Intel Jump Conditional Code Erratum that necessitated updated CPU microcode to mitigate and with that came with a nearly across the board performance impact. But Intel developers had been working on assembler patches for helping to reduce that performance hit. The GNU Assembler patches were merged back in December while now ahead of LLVM 10.0 that alternative toolchain has an option for helping to recover some of the lost performance...
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