Benchmarking advice: Difference between revisions

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(Created page with "= Debug Builds = Debug builds (--enable-debug) and non-optimized builds (--disable-optimize) are '''much''' slower. Any performance metrics gathered by such builds are largel...")
 
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= Debug Builds =
#REDIRECT [[mdn:docs/Mozilla/Benchmarking]]
 
Debug builds (--enable-debug) and non-optimized builds (--disable-optimize) are '''much''' slower. Any performance metrics gathered by such builds are largely unrelated to the what the performance a release browser would be.
 
= Poisoning =
 
Many Firefox builds have a diagnostic tool that causes crashes to happen sooner and produce much more actionable information, but also slow down regular usage substantially. In particular, "GC poisoning" is used in all debug builds, and in optimized nightly builds (but not opt developer edition or beta builds). The poisoning can be disabled by setting the environment variable
 
    JSGC_DISABLE_POISONING=1
 
before starting the browser.

Latest revision as of 17:06, 16 August 2016

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