I don't know about full pre and post benchmarks but there is the latest benchmark from Phoronix which benchmarks the latest Spectre "SWAPGS" mitigations [0]. [

I don't know about full pre and post benchmarks but there is the latest benchmark from Phoronix which benchmarks the latest Spectre "SWAPGS" mitigations [0]. [0]: https://www.phoronix.com/scan.php?page=article&item=swapgs-spectre-impact&num=1 https://www.phoronix.com/scan.php?page=article&item=swapgs-s...