debian jessie gcc 5.3 Intel Core i5-4200U testing with a Acer BA50_HW and Intel Haswell-ULT IGP on Debian 8.5 via the Phoronix Test Suite. gcc_5_3: Processor: Intel Core i5-4200U @ 2.60GHz (4 Cores), Motherboard: Acer BA50_HW, Chipset: Intel Haswell-ULT DRAM, Memory: 2 x 4096 MB DDR3-1600MHz Kingston, Disk: 500GB Seagate ST500LT012-9WS14 + 1000GB Expansion, Graphics: Intel Haswell-ULT IGP (1000MHz), Audio: Intel Haswell-ULT HD Audio, Network: Broadcom NetXtreme BCM57786 Gigabit PCIe + Qualcomm Atheros QCA9565 / AR9565 OS: Debian 8.5, Kernel: 4.2.0-0.bpo.1-amd64 (x86_64), Desktop: GNOME Shell 3.14.4, Display Server: X Server 1.16.4, Display Driver: intel 2.99.917, OpenGL: 3.3 Mesa 11.1.3, Compiler: GCC 5.3.1 20160519, File-System: ext4, Screen Resolution: 2646x1024 SciMark 2.0 Computational Test: Composite Mflops > Higher Is Better gcc_5_3 . 818.10 |============================================================= SciMark 2.0 Computational Test: Monte Carlo Mflops > Higher Is Better gcc_5_3 . 358.43 |============================================================= SciMark 2.0 Computational Test: Fast Fourier Transform Mflops > Higher Is Better gcc_5_3 . 218.71 |============================================================= SciMark 2.0 Computational Test: Sparse Matrix Multiply Mflops > Higher Is Better gcc_5_3 . 1274.28 |============================================================ SciMark 2.0 Computational Test: Dense LU Matrix Factorization Mflops > Higher Is Better gcc_5_3 . 1376.08 |============================================================ SciMark 2.0 Computational Test: Jacobi Successive Over-Relaxation Mflops > Higher Is Better gcc_5_3 . 733.27 |=============================================================