zstdnooptimizations
Intel Core i5-2500K testing with a Gigabyte Z77X-UD3H (F18 BIOS) and XFX AMD Radeon HD 8800 2048MB on Solus 3.9999 via the Phoronix Test Suite.


12345: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

unroll-loops: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

pgo: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

pgo-try2: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

03-pgo: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

clang-03-pgo: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

clang-03-pgo-try2: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

lz4+otheroptimizations: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

clang-03-pgo-lto: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080

clang-03-pgo-multithread: 

	Processor: Intel Core i5-2500K @ 5.90GHz (4 Cores), Motherboard: Gigabyte Z77X-UD3H (F18 BIOS), Chipset: Intel 2nd Generation Core Family DRAM, Memory: 8192MB, Disk: 120GB Samsung SSD 840 + 250GB Samsung SSD 840 + 1000GB Seagate ST31000524AS, Graphics: XFX AMD Radeon HD 8800 2048MB, Audio: VIA VT2020, Monitor: BenQ XL2430T, Network: Realtek RTL8111/8168/8411 + Qualcomm Atheros AR9287 Wireless

	OS: Solus 3.9999, Kernel: 4.16.12-73.current (x86_64), Desktop: KDE Plasma 5.12.5, Display Driver: modesetting 1.19.6, OpenGL: 4.5 Mesa 18.1.0 (LLVM 6.0.0), Compiler: GCC 7.3.0 + Clang 6.0.0 + LLVM 6.0.0, File-System: ext4, Screen Resolution: 1920x1080


Zstd Compression
Compressing ubuntu-16.04.3-server-i386.img, Compression Level 19
Seconds < Lower Is Better
12345 .................... 126.62 |============================================
unroll-loops ............. 124.70 |===========================================
pgo ...................... 123.69 |===========================================
pgo-try2 ................. 125.39 |============================================
03-pgo ................... 122.95 |===========================================
clang-03-pgo ............. 117.65 |=========================================
clang-03-pgo-try2 ........ 117.68 |=========================================
lz4+otheroptimizations ... 117.91 |=========================================
clang-03-pgo-lto ......... 118.45 |=========================================
clang-03-pgo-multithread . 40.62  |==============