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Nightly Builds: Python Environment Setup

Hardware setup

Our benchmarks are executed on dual socket platforms hosting 2 Broadwell CPUs (E5-2699-v4) with 22 cores/55MB cache running @ 2.2GHz.

Other configuration details:

  • CPU hyper-threading disabled from BIOS for reducing run to run variations
  • fixed CPU frequency for reducing run to run variations: 2.2GHz (Turbo disabled from BIOS and CPU frequency fixed at 2.2GHz at OS level)
  • 800GB Intel SSD DC S3510
  • 8x16GB DDR4 2133MHz (all 4 memory channels populated on both sockets)

 

Software setup

Linux OS: Ubuntu Server 16.04.2 LTS,

Kernel version: 4.4.0-62-generic  x86_64 GNU/Linux

BUILD

We build cpython 2 and 3 using gcc 5.4.0 with both default parameters and pgo:

 
​​​​​​​​./configure --prefix=/the/build/folder

make -j 44
 
./configure --prefix=/the/build/folder

make profile-opt -j 44

BENCHMARKS

We are using The Python Benchmark Suite (v 0.5.4) python/performance, an opensource benchmark suite from which we run the following workload groups:

  • apps: "High-level" applicative benchmarks (2to3, Chameleon, Tornado HTTP)
  • calls: Microbenchmarks on function and method calls
  • math: Float and integers
  • regex: Collection of regular expression benchmarks
  • serialize: Benchmarks on pickle and json modules
  • startup: Collection of microbenchmarks focused on Python interpreter start-up time.
  • template: Templating libraries

The run option used is -r ( --rigorous Spend longer running tests to get more accurate results )   The average value and relative standard deviation (standard deviation / average) are computed.

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Intel technologies' features and benefits depend on system configuration and may require enabled hardware, software or service activation. Performance varies depending on system configuration.