clang-test A Compiler comparison via the Phoronix Test Suite. clang-test: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.9.0 (SVN 275576) + GCC 5.4.0 20160609 + LLVM 3.9.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang275576: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.9.0 (SVN 275576) + GCC 5.4.0 20160609 + LLVM 3.9.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang242222: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 242222) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang242222opt: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 242222) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang242222O0: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 242222) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang226004opt: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.7.0 (SVN 226004) + GCC 5.4.0 20160609 + LLVM 3.7.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang260900opt: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.9.0 (SVN 260900) + GCC 5.4.0 20160609 + LLVM 3.9.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang278878opt: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 4.0.0 (SVN 278878) + GCC 5.4.0 20160609 + LLVM 4.0.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang-r25156: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 251560) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang246891: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 246891) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang244557: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 244557) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 clang243390: Processor: Intel Core i3-5010U @ 2.10GHz (4 Cores), Motherboard: ASUS X555LAB v1.0, Chipset: Intel Broadwell-U-OPI, Memory: 8192MB, Disk: 250GB Samsung SSD 850 + 500GB 545050A7E680, Graphics: Intel Broadwell-U (900MHz), Audio: Intel Broadwell-U Audio, Network: Realtek RTL8111/8168/8411 + Realtek RTL8821AE 802.11ac PCIe Wireless OS: Ubuntu 16.04, Kernel: 4.4.0-34-generic (x86_64), Desktop: Unity 7.4.0, Display Server: X Server 1.18.3, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.2.0, Compiler: Clang 3.8.0 (SVN 243390) + GCC 5.4.0 20160609 + LLVM 3.8.0svn, File-System: ext4, Screen Resolution: 1920x1080 Himeno Benchmark 3.0 Poisson Pressure Solver MFLOPS > Higher Is Better clang-test ..... 1122.18 |===================================================== clang275576 .... 940.76 |============================================ clang242222 .... 949.71 |============================================= clang242222opt . 940.14 |============================================ clang242222O0 .. 164.35 |======== clang226004opt . 949.42 |============================================= clang260900opt . 851.61 |======================================== clang278878opt . 957.76 |============================================= clang-r25156 ... 850.61 |======================================== clang246891 .... 839.77 |======================================== clang244557 .... 842.12 |======================================== clang243390 .... 947.74 |=============================================