mirror of https://github.com/python/cpython
gh-116879: Add new optimizer pystats to tables (GH-116880)
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@ -459,10 +459,7 @@ class Stats:
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"The number of times a potential trace is identified. Specifically, this "
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"occurs in the JUMP BACKWARD instruction when the counter reaches a "
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"threshold.",
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): (
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attempts,
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None,
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),
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): (attempts, None),
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Doc(
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"Traces created", "The number of traces that were successfully created."
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): (created, attempts),
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@ -512,6 +509,26 @@ class Stats:
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),
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}
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def get_optimizer_stats(self) -> dict[str, tuple[int, int | None]]:
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attempts = self._data["Optimization optimizer attempts"]
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successes = self._data["Optimization optimizer successes"]
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no_memory = self._data["Optimization optimizer failure no memory"]
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return {
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Doc(
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"Optimizer attempts",
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"The number of times the trace optimizer (_Py_uop_analyze_and_optimize) was run.",
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): (attempts, None),
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Doc(
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"Optimizer successes",
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"The number of traces that were successfully optimized.",
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): (successes, attempts),
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Doc(
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"Optimizer no memory",
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"The number of optimizations that failed due to no memory.",
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): (no_memory, attempts),
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}
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def get_histogram(self, prefix: str) -> list[tuple[int, int]]:
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rows = []
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for k, v in self._data.items():
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@ -1118,6 +1135,14 @@ def optimization_section() -> Section:
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for label, (value, den) in optimization_stats.items()
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]
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def calc_optimizer_table(stats: Stats) -> Rows:
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optimizer_stats = stats.get_optimizer_stats()
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return [
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(label, Count(value), Ratio(value, den))
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for label, (value, den) in optimizer_stats.items()
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]
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def calc_histogram_table(key: str, den: str) -> RowCalculator:
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def calc(stats: Stats) -> Rows:
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histogram = stats.get_histogram(key)
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@ -1159,6 +1184,7 @@ def optimization_section() -> Section:
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return
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yield Table(("", "Count:", "Ratio:"), calc_optimization_table, JoinMode.CHANGE)
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yield Table(("", "Count:", "Ratio:"), calc_optimizer_table, JoinMode.CHANGE)
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for name, den in [
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("Trace length", "Optimization traces created"),
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("Optimized trace length", "Optimization traces created"),
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