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25 lines
885 B
=============================
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Timing sensitive environments
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=============================
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Overview
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========
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Timing sensitive environments include e.g. games. In these environments
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long blocking times are problematic. Stop-and-go garbage collection is
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also a potential issue.
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This document describes suggested feature options for reducing Duktape
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latency in timing sensitive environments.
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The following genconfig option file template enables most timing
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sensitivity related options: ``config/examples/timing_sensitive.yaml``.
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Suggested feature options
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=========================
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* Use the default memory management settings (reference counting and
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mark-and-sweep) but disable ``DUK_USE_VOLUNTARY_GC`` to eliminate
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mark-and-sweep pauses. Use explicit GC calls (either ``duk_gc()``
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from C or ``Duktape.gc()`` from Ecmascript) when possible to collect
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circular references.
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