• Intel caught cheating on benchmarks

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    Targeted Intel oneAPI DPC++ Compiler Optimization Rules Out 2k+ SPEC CPU Submissions

    SPEC has effectively invalidated more than two thousand SPEC CPU 2017 benchmark submissions after it was discovered the Intel oneAPI DPC++ compiler was effectively “cheating” per their standards with a targeted optimization…

    “SPEC has ruled that the compiler used for this result was performing a compilation that specifically improves the performance of the 523.xalancbmk_r / 623.xalancbmk_s benchmarks using a priori knowledge of the SPEC code and dataset to perform a transformation that has narrow applicability.

    In order to encourage optimizations that have wide applicability (see rule 1.4 https://www.spec.org/cpu2017/Docs/runrules.html#rule_1.4), SPEC will no longer publish results using this optimization.

    This result is left in the SPEC results database for historical reference.”..

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