Home » Technology » CPU Security Patch Surprise: Ryzen 7000 is faster with them than without them

CPU Security Patch Surprise: Ryzen 7000 is faster with them than without them

In recent years, many security bugs have been detected in modern processors, whose patches, although they fix the bug, usually led to a deterioration in performance. That’s why some users don’t want to fix these errors and don’t care about the increased security risk. In the case of the Linux operating system, they can be disabled by booting the system with the kernel mitigation parameter set to “off”. However, it turns out that this may not be desirable not only from a security standpoint, but also from a performance standpoint. For processors AMD Ryzen 7000 It has been found that disabling fixes does not increase performance, but instead decreases performance on average.

Tested by Michael Larabel on the server phoronix.com, with dual AMD Ryzen 9 7950X and Ryzen 5 7600X processors. It got a surprising result for both processors. Although there were some tests where the 7950X was faster unpatched (a difference of up to 27%), a higher result was achieved with patches in most cases (the maximum was almost 43% of the difference. of performance). Out of a total of 190 tests performed, the processor with patches enabled was faster than 71.6% of the time and delivered 3.1% higher performance on average. It achieved similar results with the Ryzen 5 7600X, where the difference was even + 4.5%. In his case he also tried other parameters.

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