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      Initial Benchmarks Of The Intel Downfall Mitigation Performance Impact

      news.movim.eu / Phoronix • 9 August, 2023

    With yesterday's disclosure of the Intel Downfall speculative execution vulnerability and the updated CPU microcode and Linux kernel patches I have been very busy testing the performance impact of this mitigation. Here are some initial numbers and workloads I have found to be impacted as a result of this security mitigation for Skylake to Icelake/Tigerlake client and server processors.