RHEL Meltdown/Spectre Performance Impact
Test server performance with/without Meltdown/Spectre patches on RHEL 7.x system


rhel-meltdown-spectre-tests: 

	Processor: Intel Xeon E7-8860 v3 @ 2.19GHz (1 Core), Motherboard: Intel 440BX, Chipset: Intel 440BX/ZX/DX, Memory: 4096MB, Disk: 54GB Virtual disk, Graphics: VMware SVGA II, Network: VMware VMXNET3

	OS: Red Hat Enterprise Linux Server 7.4, Kernel: 3.10.0-693.2.2.el7.x86_64 (x86_64), Compiler: GCC 4.8.5 20150623, File-System: xfs, Screen Resolution: 1672x1254, System Layer: VMware

MacBook Air: 

	Processor: Intel Core i7 @ 2.20GHz (2 Cores / 4 Threads), Motherboard: Apple MacBook Air, Chipset: Apple SSD, Memory: 2 x 4 GB DDR3-1600MHz, Disk: 251GB APPLE SSD SM0256G, Graphics: Intel HD 6000 1536MB, Monitor: Color LCD

	OS: macOS 10.12.6, Kernel: 16.7.0 (x86_64), Compiler: Apple LLVM 9.0.0 (clang-900.0.39.2) + GCC 4.2.1 + Xcode 9.2, File-System: Journaled HFS+, Screen Resolution: 1440x900


PostMark 1.51
Disk Transaction Performance
TPS > Higher Is Better
rhel-meltdown-spectre-tests . 1728 |===========================================
MacBook Air ................. 596  |===============


Stream 2013-01-17
Type: Copy
MB/s > Higher Is Better
rhel-meltdown-spectre-tests . 8079.18 |========================================


Stream 2013-01-17
Type: Scale
MB/s > Higher Is Better
rhel-meltdown-spectre-tests . 5273.60 |========================================


Stream 2013-01-17
Type: Triad
MB/s > Higher Is Better
rhel-meltdown-spectre-tests . 5893.26 |========================================


Stream 2013-01-17
Type: Add
MB/s > Higher Is Better
rhel-meltdown-spectre-tests . 5893.32 |========================================


Timed HMMer Search 2.3.2
Pfam Database Search
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 151.99 |=========================================


Gcrypt Library 1.4.4
CAMELLIA256-ECB Cipher
Microseconds < Lower Is Better
rhel-meltdown-spectre-tests . 6283 |===========================================


John The Ripper 1.8.0
Blowfish
Real C/S > Higher Is Better
rhel-meltdown-spectre-tests . 328 |============================================


GraphicsMagick 1.3.19
Operation: HWB Color Space
Iterations Per Minute > Higher Is Better
rhel-meltdown-spectre-tests . 37  |==============
MacBook Air ................. 116 |============================================


Himeno Benchmark 3.0
Poisson Pressure Solver
MFLOPS > Higher Is Better
rhel-meltdown-spectre-tests . 578.13  |==================
MacBook Air ................. 1287.21 |========================================


C-Ray 1.1
Total Time
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 323.45 |=========================================
MacBook Air ................. 83.02  |===========


Parallel BZIP2 Compression 1.1.12
256MB File Compression
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 151.20 |=========================================


Bullet Physics Engine 2.81
Test: 3000 Fall
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 16.76 |==========================================


Bullet Physics Engine 2.81
Test: Convex Trimesh
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 4.60 |===========================================


LZMA Compression
256MB File Compression
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 957.03 |=========================================


Crafty 23.4
Elapsed Time
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 237.20 |=========================================


LAME MP3 Encoding 3.99.5
WAV To MP3
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 42.58 |==========================================


POV-Ray 3.7.0
Total Time
Seconds < Lower Is Better
rhel-meltdown-spectre-tests . 2048.81 |========================================


OpenSSL 1.0.1g
RSA 4096-bit Performance
Signs Per Second > Higher Is Better
rhel-meltdown-spectre-tests . 42.30 |================================
MacBook Air ................. 56.37 |==========================================


Apache Benchmark 2.4.7
Static Web Page Serving
Requests Per Second > Higher Is Better
rhel-meltdown-spectre-tests . 3128.85 |========================================


PHPBench 0.8.1
PHP Benchmark Suite
Score > Higher Is Better
rhel-meltdown-spectre-tests . 57138 |==========================================