perl-normal Intel Core i7-4700MQ testing with a LENOVO 20BHS27S00 and Intel 4th Gen Core IGP on Clear Linux 9130 via the Phoronix Test Suite. perl-without-fdo: Processor: Intel Core i7-4700MQ @ 2.40GHz (8 Cores), Motherboard: LENOVO 20BHS27S00, Chipset: Intel Xeon E3-1200 v3/4th, Memory: 16384MB, Disk: 512GB SAMSUNG MZ7TE512, Graphics: Intel 4th Gen Core IGP (1150MHz), Audio: Intel Xeon E3-1200 v3/4th, Network: Intel Connection I217-LM + Intel Wireless 7260 OS: Clear Linux 9130, Kernel: 4.6.3-242.native (x86_64), Desktop: Xfce, Display Driver: intel 2.99.917, Compiler: GCC 6.1.0 + Clang 3.8.0 + LLVM 3.8.0, File-System: ext4, Screen Resolution: 1920x1080 Perl Benchmarks Test: Pod2html seconds < Lower Is Better perl-without-fdo . 0.13881273 |================================================ Perl Benchmarks Test: Interpreter seconds < Lower Is Better perl-without-fdo . 0.00071883 |================================================