Intel Ivy Bridge Spectre and Meltdown Mitigation Performance Intel Core i5-3570 testing with a ASUS P8Z77-V (2104 BIOS) and NVIDIA GeForce GTX 1070 8GB on openSUSE 15.1 via the Phoronix Test Suite. Ubuntu - mitigations=off: Processor: Intel Core i5-3570 @ 4.20GHz (4 Cores), Motherboard: ASUS P8Z77-V (2104 BIOS), Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 480GB GOODRAM + 250GB Samsung SSD 840 + 480GB Patriot Burst + 256GB SSDPR-CX400-256 + 1000GB Western Digital WD10EFRX-68P + 1000GB Seagate ST1000DM010-2EP1 + 128GB SanDisk SDSSDHP1 + 8GB Flash Disk, Graphics: Zotac NVIDIA GeForce GTX 1070 8GB (139/405MHz), Audio: Realtek ALC892, Monitor: LG ULTRAWIDE, Network: Intel 82579V + Qualcomm Atheros AR9485 OS: Ubuntu 18.04, Kernel: 5.0.0-36-generic (x86_64), Desktop: GNOME Shell 3.28.4, Display Server: X Server 1.20.4, Display Driver: NVIDIA 440.26, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 2560x1080 Ubuntu - mitigations=auto: Processor: Intel Core i5-3570 @ 4.20GHz (4 Cores), Motherboard: ASUS P8Z77-V (2104 BIOS), Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 480GB GOODRAM + 250GB Samsung SSD 840 + 480GB Patriot Burst + 256GB SSDPR-CX400-256 + 1000GB Western Digital WD10EFRX-68P + 1000GB Seagate ST1000DM010-2EP1 + 128GB SanDisk SDSSDHP1 + 8GB Flash Disk, Graphics: Zotac NVIDIA GeForce GTX 1070 8GB (772/810MHz), Audio: Realtek ALC892, Monitor: LG ULTRAWIDE, Network: Intel 82579V + Qualcomm Atheros AR9485 OS: Ubuntu 18.04, Kernel: 5.0.0-36-generic (x86_64), Desktop: GNOME Shell 3.28.4, Display Server: X Server 1.20.4, Display Driver: NVIDIA 440.26, Compiler: GCC 7.4.0, File-System: ext4, Screen Resolution: 2560x1080 openSUSE - mitigations=off: Processor: Intel Core i5-3570 @ 4.20GHz (4 Cores), Motherboard: ASUS P8Z77-V (2104 BIOS), Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 480GB GOODRAM + 250GB Samsung SSD 840 + 480GB Patriot Burst + 256GB SSDPR-CX400-256 + 1000GB Western Digital WD10EFRX-68P + 1000GB Seagate ST1000DM010-2EP1 + 128GB SanDisk SDSSDHP1 + 8GB Flash Disk, Graphics: NVIDIA GeForce GTX 1070 8GB (1518/4006MHz), Audio: Intel 7 /C216, Monitor: LG ULTRAWIDE, Network: Intel 82579V + Qualcomm Atheros AR9485 OS: openSUSE 15.1, Kernel: 4.12.14-lp151.28.32-default (x86_64), Desktop: GNOME Shell 3.26.2, Display Server: X Server 1.20.3, Display Driver: NVIDIA 440.31, OpenGL: 4.5.0, Compiler: GCC 7.4.1 20190905 [gcc-7-branch revision 275407], File-System: ext4, Screen Resolution: 2560x1080 openSUSE - mitigations=auto: Processor: Intel Core i5-3570 @ 4.20GHz (4 Cores), Motherboard: ASUS P8Z77-V (2104 BIOS), Chipset: Intel Xeon E3-1200 v2/3rd, Memory: 8192MB, Disk: 480GB GOODRAM + 250GB Samsung SSD 840 + 480GB Patriot Burst + 256GB SSDPR-CX400-256 + 1000GB Western Digital WD10EFRX-68P + 1000GB Seagate ST1000DM010-2EP1 + 128GB SanDisk SDSSDHP1 + 8GB Flash Disk, Graphics: NVIDIA GeForce GTX 1070 8GB (1518/4006MHz), Audio: Intel 7 /C216, Monitor: LG ULTRAWIDE, Network: Intel 82579V + Qualcomm Atheros AR9485 OS: openSUSE 15.1, Kernel: 4.12.14-lp151.28.32-default (x86_64), Desktop: GNOME Shell 3.26.2, Display Server: X Server 1.20.3, Display Driver: NVIDIA 440.31, OpenGL: 4.5.0, Compiler: GCC 7.4.1 20190905 [gcc-7-branch revision 275407], File-System: ext4, Screen Resolution: 2560x1080 ctx_clock Context Switch Time Clocks < Lower Is Better Ubuntu - mitigations=off .... 150 |======= Ubuntu - mitigations=auto ... 952 |============================================ openSUSE - mitigations=off .. 150 |======= openSUSE - mitigations=auto . 950 |============================================ Flexible IO Tester 3.16 Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better openSUSE - mitigations=off .. 381 |============================================ openSUSE - mitigations=auto . 383 |============================================ Flexible IO Tester 3.16 Type: Sequential Read - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better openSUSE - mitigations=off .. 97433 |========================================== openSUSE - mitigations=auto . 98067 |========================================== Flexible IO Tester 3.16 Type: Sequential Write - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory MB/s > Higher Is Better openSUSE - mitigations=off .. 275 |============================================ openSUSE - mitigations=auto . 259 |========================================= Flexible IO Tester 3.16 Type: Sequential Write - IO Engine: Linux AIO - Buffered: Yes - Direct: No - Block Size: 4KB - Disk Target: Default Test Directory IOPS > Higher Is Better openSUSE - mitigations=off .. 70160 |========================================== openSUSE - mitigations=auto . 66227 |======================================== Sockperf 3.4 Test: Throughput Messages Per Second > Higher Is Better Ubuntu - mitigations=off .... 387212 |========================================= Ubuntu - mitigations=auto ... 323696 |================================== openSUSE - mitigations=off .. 332823 |=================================== openSUSE - mitigations=auto . 273369 |============================= Sockperf 3.4 Test: Latency Ping Pong usec < Lower Is Better Ubuntu - mitigations=off .... 4.57 |====================================== Ubuntu - mitigations=auto ... 4.78 |======================================= openSUSE - mitigations=off .. 4.20 |=================================== openSUSE - mitigations=auto . 5.21 |=========================================== Sockperf 3.4 Test: Latency Under Load usec < Lower Is Better Ubuntu - mitigations=off .... 21.50 |========================================= Ubuntu - mitigations=auto ... 21.92 |========================================== openSUSE - mitigations=off .. 19.42 |===================================== openSUSE - mitigations=auto . 21.93 |========================================== Stress-NG 0.07.26 Test: Crypto Bogo Ops/s > Higher Is Better Ubuntu - mitigations=off .... 805.99 |========================================= Ubuntu - mitigations=auto ... 798.86 |========================================= openSUSE - mitigations=off .. 755.46 |====================================== openSUSE - mitigations=auto . 754.67 |====================================== Stress-NG 0.07.26 Test: Forking Bogo Ops/s > Higher Is Better Ubuntu - mitigations=off .... 32938.65 |======================================= Ubuntu - mitigations=auto ... 29295.62 |=================================== openSUSE - mitigations=off .. 28677.83 |================================== openSUSE - mitigations=auto . 24598.07 |============================= Stress-NG 0.07.26 Test: CPU Stress Bogo Ops/s > Higher Is Better Ubuntu - mitigations=off .... 1189.35 |====================================== Ubuntu - mitigations=auto ... 1188.40 |====================================== openSUSE - mitigations=off .. 1259.88 |======================================== openSUSE - mitigations=auto . 1257.20 |========================================