Performance Test

Poky/Bitbake Performance:
Performance is an essential point for measuring the quality of a build system.
This page is to track performance trend of poky build. Detailed development work is on https://wiki.yoctoproject.org/wiki/Performance.

Hardware and software configuration:
CPU: 4-core * 2-threads Intel(R) Core(TM) i7 CPU 860 @ 2.80GHz
Memory: 4GB
Harddisk: 1TB

OS: Ubuntu 11.10 x86_64
Kernel: 2.6.35-22

local.conf:
CONF_VERSION = "1"
DL_DIR ?= "/sda1/sources/downloads" # Using a local download dir to avoid fetch.
BB_NUMBER_THREADS = "8"
PARALLEL_MAKE = "-j 8"
MACHINE ?= "qemux86"
DISTRO ?= "poky"
BBMASK = ""
EXTRA_IMAGE_FEATURES = "debug-tweaks"
PACKAGE_CLASSES ?= "package_rpm"
USER_CLASSES ?= "image-mklibs image-prelink"
PACKAGE_DEBUG_SPLIT_STYLE = '.debug'
BBINCLUDELOGS = "yes"
ENABLE_BINARY_LOCALE_GENERATION = "1"
NO32LIBS = "1"

Build Performance Trend

Host	Yocto1.1-M4-RC3-build	Yocto1.1-M4-RC2-build	Yocto1.1-M2-RC3-build (both rpm and ipk built by default)
Ubuntu11.10 x86_64	real 127m33s user 346m3s sys 48m5s	real 124m54s user 342m57s sys 47m33s	real 109m53s user 356m16s sys 48m16s