sysbench2
Intel Pentium G3258 testing with a ASUS Z97I-PLUS (2401 BIOS) and ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP on Ubuntu 20.04 via the Phoronix Test Suite.


march=westmere: 

	Processor: Intel Pentium G3258 @ 4.00GHz (2 Cores), Motherboard: ASUS Z97I-PLUS (2401 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 8GB, Disk: 31GB Ultra, Graphics: ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: iScan Duo, Network: Intel I218-V

	OS: Ubuntu 20.04, Kernel: 5.4.0-53-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080

march=core2: 

	Processor: Intel Pentium G3258 @ 4.00GHz (2 Cores), Motherboard: ASUS Z97I-PLUS (2401 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 8GB, Disk: 31GB Ultra, Graphics: ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: iScan Duo, Network: Intel I218-V

	OS: Ubuntu 20.04, Kernel: 5.4.0-53-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080

march=silvermont: 

	Processor: Intel Pentium G3258 @ 4.00GHz (2 Cores), Motherboard: ASUS Z97I-PLUS (2401 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 8GB, Disk: 31GB Ultra, Graphics: ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: iScan Duo, Network: Intel I218-V

	OS: Ubuntu 20.04, Kernel: 5.4.0-53-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080

march=native: 

	Processor: Intel Pentium G3258 @ 4.00GHz (2 Cores), Motherboard: ASUS Z97I-PLUS (2401 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 8GB, Disk: 31GB Ultra, Graphics: ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: iScan Duo, Network: Intel I218-V

	OS: Ubuntu 20.04, Kernel: 5.4.0-53-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080

march=westmer: 

	Processor: Intel Pentium G3258 @ 4.00GHz (2 Cores), Motherboard: ASUS Z97I-PLUS (2401 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 8GB, Disk: 31GB Ultra, Graphics: ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: iScan Duo, Network: Intel I218-V

	OS: Ubuntu 20.04, Kernel: 5.4.0-53-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080

march=westmeree: 

	Processor: Intel Pentium G3258 @ 4.00GHz (2 Cores), Motherboard: ASUS Z97I-PLUS (2401 BIOS), Chipset: Intel 4th Gen Core DRAM, Memory: 8GB, Disk: 31GB Ultra, Graphics: ASUS Intel Xeon E3-1200 v3/4th Gen Core IGP (1100MHz), Audio: Intel Xeon E3-1200 v3/4th, Monitor: iScan Duo, Network: Intel I218-V

	OS: Ubuntu 20.04, Kernel: 5.4.0-53-generic (x86_64), Compiler: GCC 9.3.0, File-System: ext4, Screen Resolution: 1920x1080


Sysbench 2018-07-28
Test: Memory
Events Per Second > Higher Is Better
march=westmere ... 9995852.65 |================================================
march=core2 ...... 9992547.37 |================================================
march=silvermont . 9933871.36 |================================================
march=native ..... 9989572.92 |================================================


Sysbench 2018-07-28
Test: CPU
Events Per Second > Higher Is Better
march=westmere ... 2579.51 |===================================================
march=core2 ...... 2300.39 |=============================================
march=silvermont . 2320.56 |==============================================
march=native ..... 2300.46 |=============================================


Rodinia 3.1
Test: OpenMP LavaMD
Seconds < Lower Is Better
march=native . 2193.23 |=======================================================


Rodinia 3.1
Test: OpenMP HotSpot3D
Seconds < Lower Is Better
march=native . 158.31 |========================================================


Rodinia 3.1
Test: OpenMP Leukocyte
Seconds < Lower Is Better
march=native . 715.19 |========================================================


Rodinia 3.1
Test: OpenMP CFD Solver
Seconds < Lower Is Better
march=native .... 117.06 |=====================================================
march=westmeree . 117.33 |=====================================================


Rodinia 3.1
Test: OpenMP Streamcluster
Seconds < Lower Is Better
march=native . 54.60 |=========================================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
march=native ..... 3427.67 |===================================================
march=core2 ...... 3435.52 |===================================================
march=westmere ... 3442.91 |===================================================
march=silvermont . 3233.48 |================================================