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by JohnBooty
3096 days ago
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Among others, from the linked article: About 5-10% performance improvement by removing all
trace instructions from overall bytecode (instruction
sequences). The trace instruction was added to support
the TracePoint. However, in most cases, TracePoint is
not used and trace instructions are pure overhead.
Instead, now we use a dynamic instrumentation technique.
See [Feature #14104] for more details.
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