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Add 64-bit new machine (intel-skylake-64) with -march=skylake and avx2 instruction-set set up. We do see a qemu-usermode failure at build time, on setup of avx2 instruction-set as QEMU does not support AVX instruction set. Check this: https://bugs.launchpad.net/qemu/+bug/1818075 So to bypass this issue disabling qemu-usermode for intel-skylake-64 machine. Due to above limitation and in order to not affecting existing machines, this new machine is being proposed to add. A quick performance comparision between intel-corei7-64 vs intel-skylake-64 machines Measurements are in time, taken by the benchmark tests. Less is better. Test/Benchmark intel-corei7-64 intel-skylake-64 (1) CppPerformanceBenchmarks (Test: Math Library) (1st) 5m 15.70s 4m 36.39s (2nd) 5m 16.37s 4m 36.51s (3rd) 5m 15.54s 4m 37.80s CppPerformanceBenchmarks is a set of C++ compiler performance benchmarks. (2) AOBench (1st) 0m 35.07s 0m 28.74s (2nd) 0m 34.90s 0m 28.72s (3rd) 0m 34.85s 0m 28.89s AOBench is a lightweight ambient occlusion renderer, written in C. The test profile is using a size of 2048 x 2048. (3) C-Ray (1st) 320 seconds 232 seconds (2nd) 320 seconds 232 seconds (3rd) 321 seconds 232 seconds C-Ray, a simple raytracer designed to test the floating-point CPU performance. For this patch, 'bitbake world' gets successfully built with latest poky master. Signed-off-by: Naveen Saini <naveen.kumar.saini@intel.com> Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
20 lines
791 B
HTML
20 lines
791 B
HTML
# For runqemu
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IMAGE_CLASSES += "qemuboot"
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QB_SYSTEM_NAME_intel-core2-32 = "qemu-system-i386"
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QB_CPU_intel-core2-32 = "-cpu coreduo"
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QB_CPU_KVM_intel-core2-32 = "-cpu kvm32"
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QB_SYSTEM_NAME_intel-corei7-64 = "qemu-system-x86_64"
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QB_CPU_intel-corei7-64 = "-cpu Nehalem"
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QB_CPU_KVM_intel-corei7-64 = "-cpu kvm64"
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QB_SYSTEM_NAME_intel-skylake-64 = "qemu-system-x86_64"
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QB_CPU_intel-skylake-64 = "-cpu Skylake-Client"
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QB_CPU_KVM_intel-skylake-64 = "-cpu kvm64"
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QB_AUDIO_DRV = "alsa"
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QB_AUDIO_OPT = "-soundhw ac97,es1370"
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QB_KERNEL_CMDLINE_APPEND = "vga=0 uvesafb.mode_option=640x480-32 oprofile.timer=1 uvesafb.task_timeout=-1"
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# Add the 'virtio-rng-pci' device otherwise the guest may run out of entropy
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QB_OPT_APPEND = "-vga vmware -show-cursor -usb -usbdevice tablet -device virtio-rng-pci"
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