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GH-109329: Add tier 2 stats (GH-109913)
This commit is contained in:
Michael Droettboom
GitHub
parent
f7860295b1
commit
e561e98058
9 changed files with 483 additions and 128 deletions
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@ -13,6 +13,7 @@ import os.path
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from datetime import date
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import itertools
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import sys
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import re
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if os.name == "nt":
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DEFAULT_DIR = "c:\\temp\\py_stats\\"
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@ -21,6 +22,7 @@ else:
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TOTAL = "specialization.hit", "specialization.miss", "execution_count"
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def format_ratio(num, den):
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"""
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Format a ratio as a percentage. When the denominator is 0, returns the empty
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@ -31,6 +33,7 @@ def format_ratio(num, den):
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else:
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return f"{num/den:.01%}"
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def percentage_to_float(s):
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"""
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Converts a percentage string to a float. The empty string is returned as 0.0
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@ -41,6 +44,7 @@ def percentage_to_float(s):
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assert s[-1] == "%"
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return float(s[:-1])
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def join_rows(a_rows, b_rows):
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"""
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Joins two tables together, side-by-side, where the first column in each is a
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@ -79,40 +83,53 @@ def join_rows(a_rows, b_rows):
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keys = list(a_data.keys()) + [k for k in b_data.keys() if k not in a_data]
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return [(k, *a_data.get(k, default), *b_data.get(k, default)) for k in keys]
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def calculate_specialization_stats(family_stats, total):
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rows = []
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for key in sorted(family_stats):
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if key.startswith("specialization.failure_kinds"):
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continue
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if key in ("specialization.hit", "specialization.miss"):
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label = key[len("specialization."):]
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label = key[len("specialization.") :]
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elif key == "execution_count":
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continue
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elif key in ("specialization.success", "specialization.failure", "specializable"):
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elif key in (
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"specialization.success",
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"specialization.failure",
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"specializable",
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):
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continue
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elif key.startswith("pair"):
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continue
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else:
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label = key
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rows.append((f"{label:>12}", f"{family_stats[key]:>12}", format_ratio(family_stats[key], total)))
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rows.append(
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(
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f"{label:>12}",
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f"{family_stats[key]:>12}",
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format_ratio(family_stats[key], total),
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)
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)
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return rows
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def calculate_specialization_success_failure(family_stats):
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total_attempts = 0
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for key in ("specialization.success", "specialization.failure"):
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for key in ("specialization.success", "specialization.failure"):
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total_attempts += family_stats.get(key, 0)
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rows = []
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if total_attempts:
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for key in ("specialization.success", "specialization.failure"):
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label = key[len("specialization."):]
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for key in ("specialization.success", "specialization.failure"):
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label = key[len("specialization.") :]
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label = label[0].upper() + label[1:]
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val = family_stats.get(key, 0)
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rows.append((label, val, format_ratio(val, total_attempts)))
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return rows
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def calculate_specialization_failure_kinds(name, family_stats, defines):
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total_failures = family_stats.get("specialization.failure", 0)
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failure_kinds = [ 0 ] * 40
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failure_kinds = [0] * 40
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for key in family_stats:
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if not key.startswith("specialization.failure_kind"):
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continue
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@ -125,9 +142,16 @@ def calculate_specialization_failure_kinds(name, family_stats, defines):
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for value, index in failures:
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if not value:
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continue
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rows.append((kind_to_text(index, defines, name), value, format_ratio(value, total_failures)))
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rows.append(
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(
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kind_to_text(index, defines, name),
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value,
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format_ratio(value, total_failures),
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)
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)
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return rows
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def print_specialization_stats(name, family_stats, defines):
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if "specializable" not in family_stats:
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return
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@ -144,7 +168,10 @@ def print_specialization_stats(name, family_stats, defines):
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rows = calculate_specialization_failure_kinds(name, family_stats, defines)
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emit_table(("Failure kind", "Count:", "Ratio:"), rows)
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def print_comparative_specialization_stats(name, base_family_stats, head_family_stats, defines):
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def print_comparative_specialization_stats(
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name, base_family_stats, head_family_stats, defines
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):
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if "specializable" not in base_family_stats:
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return
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@ -157,20 +184,33 @@ def print_comparative_specialization_stats(name, base_family_stats, head_family_
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head_rows = calculate_specialization_stats(head_family_stats, head_total)
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emit_table(
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("Kind", "Base Count", "Base Ratio", "Head Count", "Head Ratio"),
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join_rows(base_rows, head_rows)
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join_rows(base_rows, head_rows),
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)
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base_rows = calculate_specialization_success_failure(base_family_stats)
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head_rows = calculate_specialization_success_failure(head_family_stats)
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rows = join_rows(base_rows, head_rows)
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if rows:
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print_title("Specialization attempts", 4)
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emit_table(("", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"), rows)
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base_rows = calculate_specialization_failure_kinds(name, base_family_stats, defines)
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head_rows = calculate_specialization_failure_kinds(name, head_family_stats, defines)
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emit_table(
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("Failure kind", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"),
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join_rows(base_rows, head_rows)
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("", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"), rows
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)
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base_rows = calculate_specialization_failure_kinds(
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name, base_family_stats, defines
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)
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head_rows = calculate_specialization_failure_kinds(
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name, head_family_stats, defines
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)
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emit_table(
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(
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"Failure kind",
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"Base Count:",
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"Base Ratio:",
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"Head Count:",
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"Head Ratio:",
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),
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join_rows(base_rows, head_rows),
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)
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def gather_stats(input):
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# Note the output of this function must be JSON-serializable
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@ -179,7 +219,9 @@ def gather_stats(input):
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with open(input, "r") as fd:
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stats = json.load(fd)
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stats["_stats_defines"] = {int(k): v for k, v in stats["_stats_defines"].items()}
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stats["_stats_defines"] = {
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int(k): v for k, v in stats["_stats_defines"].items()
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}
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stats["_defines"] = {int(k): v for k, v in stats["_defines"].items()}
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return stats
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@ -191,18 +233,20 @@ def gather_stats(input):
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try:
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key, value = line.split(":")
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except ValueError:
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print(f"Unparsable line: '{line.strip()}' in {filename}", file=sys.stderr)
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print(
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f"Unparsable line: '{line.strip()}' in {filename}",
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file=sys.stderr,
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)
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continue
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key = key.strip()
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value = int(value)
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stats[key] += value
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stats['__nfiles__'] += 1
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stats["__nfiles__"] += 1
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import opcode
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stats["_specialized_instructions"] = [
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op for op in opcode._specialized_opmap.keys()
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if "__" not in op
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op for op in opcode._specialized_opmap.keys() if "__" not in op
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]
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stats["_stats_defines"] = get_stats_defines()
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stats["_defines"] = get_defines()
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@ -211,15 +255,17 @@ def gather_stats(input):
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else:
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raise ValueError(f"{input:r} is not a file or directory path")
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def extract_opcode_stats(stats):
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def extract_opcode_stats(stats, prefix):
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opcode_stats = collections.defaultdict(dict)
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for key, value in stats.items():
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if not key.startswith("opcode"):
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if not key.startswith(prefix):
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continue
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name, _, rest = key[7:].partition("]")
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name, _, rest = key[len(prefix) + 1 :].partition("]")
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opcode_stats[name][rest.strip(".")] = value
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return opcode_stats
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def parse_kinds(spec_src, prefix="SPEC_FAIL"):
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defines = collections.defaultdict(list)
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start = "#define " + prefix + "_"
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@ -227,14 +273,16 @@ def parse_kinds(spec_src, prefix="SPEC_FAIL"):
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line = line.strip()
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if not line.startswith(start):
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continue
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line = line[len(start):]
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line = line[len(start) :]
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name, val = line.split()
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defines[int(val.strip())].append(name.strip())
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return defines
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def pretty(defname):
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return defname.replace("_", " ").lower()
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def kind_to_text(kind, defines, opname):
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if kind <= 8:
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return pretty(defines[kind][0])
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@ -248,9 +296,10 @@ def kind_to_text(kind, defines, opname):
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opname = "SUBSCR"
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for name in defines[kind]:
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if name.startswith(opname):
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return pretty(name[len(opname)+1:])
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return pretty(name[len(opname) + 1 :])
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return "kind " + str(kind)
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def categorized_counts(opcode_stats, specialized_instructions):
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basic = 0
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specialized = 0
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@ -258,7 +307,7 @@ def categorized_counts(opcode_stats, specialized_instructions):
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for name, opcode_stat in opcode_stats.items():
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if "execution_count" not in opcode_stat:
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continue
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count = opcode_stat['execution_count']
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count = opcode_stat["execution_count"]
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if "specializable" in opcode_stat:
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not_specialized += count
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elif name in specialized_instructions:
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@ -269,12 +318,13 @@ def categorized_counts(opcode_stats, specialized_instructions):
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basic += count
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return basic, not_specialized, specialized
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def print_title(name, level=2):
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print("#"*level, name)
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print("#" * level, name)
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print()
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class Section:
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class Section:
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def __init__(self, title, level=2, summary=None):
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self.title = title
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self.level = level
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@ -295,12 +345,14 @@ class Section:
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print("</details>")
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print()
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def to_str(x):
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if isinstance(x, int):
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return format(x, ",d")
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else:
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return str(x)
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def emit_table(header, rows):
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width = len(header)
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header_line = "|"
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@ -320,11 +372,28 @@ def emit_table(header, rows):
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print("|", " | ".join(to_str(i) for i in row), "|")
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print()
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def emit_histogram(title, stats, key, total):
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rows = []
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for k, v in stats.items():
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if k.startswith(key):
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entry = int(re.match(r".+\[([0-9]+)\]", k).groups()[0])
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rows.append((f"<= {entry}", int(v), format_ratio(int(v), total)))
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# Don't include larger buckets with 0 entries
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for j in range(len(rows) - 1, -1, -1):
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if rows[j][1] != 0:
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break
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rows = rows[: j + 1]
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print(f"**{title}**\n")
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emit_table(("Range", "Count:", "Ratio:"), rows)
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def calculate_execution_counts(opcode_stats, total):
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counts = []
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for name, opcode_stat in opcode_stats.items():
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if "execution_count" in opcode_stat:
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count = opcode_stat['execution_count']
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count = opcode_stat["execution_count"]
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miss = 0
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if "specializable" not in opcode_stat:
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miss = opcode_stat.get("specialization.miss")
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@ -332,53 +401,61 @@ def calculate_execution_counts(opcode_stats, total):
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counts.sort(reverse=True)
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cumulative = 0
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rows = []
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for (count, name, miss) in counts:
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for count, name, miss in counts:
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cumulative += count
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if miss:
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miss = format_ratio(miss, count)
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else:
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miss = ""
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rows.append((name, count, format_ratio(count, total),
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format_ratio(cumulative, total), miss))
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rows.append(
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(
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name,
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count,
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format_ratio(count, total),
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format_ratio(cumulative, total),
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miss,
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)
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)
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return rows
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def emit_execution_counts(opcode_stats, total):
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with Section("Execution counts", summary="execution counts for all instructions"):
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rows = calculate_execution_counts(opcode_stats, total)
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emit_table(
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("Name", "Count:", "Self:", "Cumulative:", "Miss ratio:"),
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rows
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)
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emit_table(("Name", "Count:", "Self:", "Cumulative:", "Miss ratio:"), rows)
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def _emit_comparative_execution_counts(base_rows, head_rows):
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base_data = {x[0]: x[1:] for x in base_rows}
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head_data = {x[0]: x[1:] for x in head_rows}
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opcodes = base_data.keys() | head_data.keys()
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rows = []
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default = [0, "0.0%", "0.0%", 0]
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for opcode in opcodes:
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base_entry = base_data.get(opcode, default)
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head_entry = head_data.get(opcode, default)
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if base_entry[0] == 0:
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change = 1
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else:
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change = (head_entry[0] - base_entry[0]) / base_entry[0]
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rows.append((opcode, base_entry[0], head_entry[0], f"{change:0.1%}"))
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rows.sort(key=lambda x: abs(percentage_to_float(x[-1])), reverse=True)
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emit_table(("Name", "Base Count:", "Head Count:", "Change:"), rows)
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def emit_comparative_execution_counts(
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base_opcode_stats, base_total, head_opcode_stats, head_total
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base_opcode_stats, base_total, head_opcode_stats, head_total, level=2
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):
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with Section("Execution counts", summary="execution counts for all instructions"):
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with Section(
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"Execution counts", summary="execution counts for all instructions", level=level
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):
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base_rows = calculate_execution_counts(base_opcode_stats, base_total)
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head_rows = calculate_execution_counts(head_opcode_stats, head_total)
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base_data = dict((x[0], x[1:]) for x in base_rows)
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head_data = dict((x[0], x[1:]) for x in head_rows)
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opcodes = set(base_data.keys()) | set(head_data.keys())
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_emit_comparative_execution_counts(base_rows, head_rows)
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rows = []
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default = [0, "0.0%", "0.0%", 0]
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for opcode in opcodes:
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base_entry = base_data.get(opcode, default)
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head_entry = head_data.get(opcode, default)
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if base_entry[0] == 0:
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change = 1
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else:
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change = (head_entry[0] - base_entry[0]) / base_entry[0]
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rows.append(
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(opcode, base_entry[0], head_entry[0],
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f"{100*change:0.1f}%"))
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rows.sort(key=lambda x: -abs(percentage_to_float(x[-1])))
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emit_table(
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("Name", "Base Count:", "Head Count:", "Change:"),
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rows
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)
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def get_defines():
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spec_path = os.path.join(os.path.dirname(__file__), "../../Python/specialize.c")
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@ -386,12 +463,16 @@ def get_defines():
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defines = parse_kinds(spec_src)
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return defines
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def emit_specialization_stats(opcode_stats, defines):
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with Section("Specialization stats", summary="specialization stats by family"):
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for name, opcode_stat in opcode_stats.items():
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print_specialization_stats(name, opcode_stat, defines)
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def emit_comparative_specialization_stats(base_opcode_stats, head_opcode_stats, defines):
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def emit_comparative_specialization_stats(
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base_opcode_stats, head_opcode_stats, defines
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):
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with Section("Specialization stats", summary="specialization stats by family"):
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opcodes = set(base_opcode_stats.keys()) & set(head_opcode_stats.keys())
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for opcode in opcodes:
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@ -399,6 +480,7 @@ def emit_comparative_specialization_stats(base_opcode_stats, head_opcode_stats,
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opcode, base_opcode_stats[opcode], head_opcode_stats[opcode], defines
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)
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def calculate_specialization_effectiveness(
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opcode_stats, total, specialized_instructions
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):
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@ -411,11 +493,17 @@ def calculate_specialization_effectiveness(
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("Specialized", specialized, format_ratio(specialized, total)),
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]
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def emit_specialization_overview(opcode_stats, total, specialized_instructions):
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with Section("Specialization effectiveness"):
|
||||
rows = calculate_specialization_effectiveness(opcode_stats, total, specialized_instructions)
|
||||
rows = calculate_specialization_effectiveness(
|
||||
opcode_stats, total, specialized_instructions
|
||||
)
|
||||
emit_table(("Instructions", "Count:", "Ratio:"), rows)
|
||||
for title, field in (("Deferred", "specialization.deferred"), ("Misses", "specialization.miss")):
|
||||
for title, field in (
|
||||
("Deferred", "specialization.deferred"),
|
||||
("Misses", "specialization.miss"),
|
||||
):
|
||||
total = 0
|
||||
counts = []
|
||||
for name, opcode_stat in opcode_stats.items():
|
||||
|
|
@ -428,11 +516,19 @@ def emit_specialization_overview(opcode_stats, total, specialized_instructions):
|
|||
counts.sort(reverse=True)
|
||||
if total:
|
||||
with Section(f"{title} by instruction", 3):
|
||||
rows = [ (name, count, format_ratio(count, total)) for (count, name) in counts[:10] ]
|
||||
rows = [
|
||||
(name, count, format_ratio(count, total))
|
||||
for (count, name) in counts[:10]
|
||||
]
|
||||
emit_table(("Name", "Count:", "Ratio:"), rows)
|
||||
|
||||
|
||||
def emit_comparative_specialization_overview(
|
||||
base_opcode_stats, base_total, head_opcode_stats, head_total, specialized_instructions
|
||||
base_opcode_stats,
|
||||
base_total,
|
||||
head_opcode_stats,
|
||||
head_total,
|
||||
specialized_instructions,
|
||||
):
|
||||
with Section("Specialization effectiveness"):
|
||||
base_rows = calculate_specialization_effectiveness(
|
||||
|
|
@ -442,16 +538,26 @@ def emit_comparative_specialization_overview(
|
|||
head_opcode_stats, head_total, specialized_instructions
|
||||
)
|
||||
emit_table(
|
||||
("Instructions", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"),
|
||||
join_rows(base_rows, head_rows)
|
||||
(
|
||||
"Instructions",
|
||||
"Base Count:",
|
||||
"Base Ratio:",
|
||||
"Head Count:",
|
||||
"Head Ratio:",
|
||||
),
|
||||
join_rows(base_rows, head_rows),
|
||||
)
|
||||
|
||||
|
||||
def get_stats_defines():
|
||||
stats_path = os.path.join(os.path.dirname(__file__), "../../Include/cpython/pystats.h")
|
||||
stats_path = os.path.join(
|
||||
os.path.dirname(__file__), "../../Include/cpython/pystats.h"
|
||||
)
|
||||
with open(stats_path) as stats_src:
|
||||
defines = parse_kinds(stats_src, prefix="EVAL_CALL")
|
||||
return defines
|
||||
|
||||
|
||||
def calculate_call_stats(stats, defines):
|
||||
total = 0
|
||||
for key, value in stats.items():
|
||||
|
|
@ -463,7 +569,7 @@ def calculate_call_stats(stats, defines):
|
|||
rows.append((key, value, format_ratio(value, total)))
|
||||
elif key.startswith("Calls "):
|
||||
name, index = key[:-1].split("[")
|
||||
index = int(index)
|
||||
index = int(index)
|
||||
label = name + " (" + pretty(defines[index][0]) + ")"
|
||||
rows.append((label, value, format_ratio(value, total)))
|
||||
for key, value in stats.items():
|
||||
|
|
@ -471,11 +577,13 @@ def calculate_call_stats(stats, defines):
|
|||
rows.append((key, value, format_ratio(value, total)))
|
||||
return rows
|
||||
|
||||
|
||||
def emit_call_stats(stats, defines):
|
||||
with Section("Call stats", summary="Inlined calls and frame stats"):
|
||||
rows = calculate_call_stats(stats, defines)
|
||||
emit_table(("", "Count:", "Ratio:"), rows)
|
||||
|
||||
|
||||
def emit_comparative_call_stats(base_stats, head_stats, defines):
|
||||
with Section("Call stats", summary="Inlined calls and frame stats"):
|
||||
base_rows = calculate_call_stats(base_stats, defines)
|
||||
|
|
@ -483,15 +591,21 @@ def emit_comparative_call_stats(base_stats, head_stats, defines):
|
|||
rows = join_rows(base_rows, head_rows)
|
||||
rows.sort(key=lambda x: -percentage_to_float(x[-1]))
|
||||
emit_table(
|
||||
("", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"),
|
||||
rows
|
||||
("", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"), rows
|
||||
)
|
||||
|
||||
|
||||
def calculate_object_stats(stats):
|
||||
total_materializations = stats.get("Object new values")
|
||||
total_allocations = stats.get("Object allocations") + stats.get("Object allocations from freelist")
|
||||
total_increfs = stats.get("Object interpreter increfs") + stats.get("Object increfs")
|
||||
total_decrefs = stats.get("Object interpreter decrefs") + stats.get("Object decrefs")
|
||||
total_allocations = stats.get("Object allocations") + stats.get(
|
||||
"Object allocations from freelist"
|
||||
)
|
||||
total_increfs = stats.get("Object interpreter increfs") + stats.get(
|
||||
"Object increfs"
|
||||
)
|
||||
total_decrefs = stats.get("Object interpreter decrefs") + stats.get(
|
||||
"Object decrefs"
|
||||
)
|
||||
rows = []
|
||||
for key, value in stats.items():
|
||||
if key.startswith("Object"):
|
||||
|
|
@ -499,9 +613,9 @@ def calculate_object_stats(stats):
|
|||
ratio = format_ratio(value, total_materializations)
|
||||
elif "allocations" in key:
|
||||
ratio = format_ratio(value, total_allocations)
|
||||
elif "increfs" in key:
|
||||
elif "increfs" in key:
|
||||
ratio = format_ratio(value, total_increfs)
|
||||
elif "decrefs" in key:
|
||||
elif "decrefs" in key:
|
||||
ratio = format_ratio(value, total_decrefs)
|
||||
else:
|
||||
ratio = ""
|
||||
|
|
@ -510,6 +624,7 @@ def calculate_object_stats(stats):
|
|||
rows.append((label, value, ratio))
|
||||
return rows
|
||||
|
||||
|
||||
def calculate_gc_stats(stats):
|
||||
gc_stats = []
|
||||
for key, value in stats.items():
|
||||
|
|
@ -526,40 +641,58 @@ def calculate_gc_stats(stats):
|
|||
for (i, gen) in enumerate(gc_stats)
|
||||
]
|
||||
|
||||
|
||||
def emit_object_stats(stats):
|
||||
with Section("Object stats", summary="allocations, frees and dict materializatons"):
|
||||
rows = calculate_object_stats(stats)
|
||||
emit_table(("", "Count:", "Ratio:"), rows)
|
||||
emit_table(("", "Count:", "Ratio:"), rows)
|
||||
|
||||
|
||||
def emit_comparative_object_stats(base_stats, head_stats):
|
||||
with Section("Object stats", summary="allocations, frees and dict materializatons"):
|
||||
base_rows = calculate_object_stats(base_stats)
|
||||
head_rows = calculate_object_stats(head_stats)
|
||||
emit_table(("", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"), join_rows(base_rows, head_rows))
|
||||
emit_table(
|
||||
("", "Base Count:", "Base Ratio:", "Head Count:", "Head Ratio:"),
|
||||
join_rows(base_rows, head_rows),
|
||||
)
|
||||
|
||||
|
||||
def emit_gc_stats(stats):
|
||||
with Section("GC stats", summary="GC collections and effectiveness"):
|
||||
rows = calculate_gc_stats(stats)
|
||||
emit_table(("Generation:", "Collections:", "Objects collected:", "Object visits:"), rows)
|
||||
emit_table(
|
||||
("Generation:", "Collections:", "Objects collected:", "Object visits:"),
|
||||
rows,
|
||||
)
|
||||
|
||||
|
||||
def emit_comparative_gc_stats(base_stats, head_stats):
|
||||
with Section("GC stats", summary="GC collections and effectiveness"):
|
||||
base_rows = calculate_gc_stats(base_stats)
|
||||
head_rows = calculate_gc_stats(head_stats)
|
||||
emit_table(
|
||||
("Generation:",
|
||||
"Base collections:", "Head collections:",
|
||||
"Base objects collected:", "Head objects collected:",
|
||||
"Base object visits:", "Head object visits:"),
|
||||
join_rows(base_rows, head_rows))
|
||||
(
|
||||
"Generation:",
|
||||
"Base collections:",
|
||||
"Head collections:",
|
||||
"Base objects collected:",
|
||||
"Head objects collected:",
|
||||
"Base object visits:",
|
||||
"Head object visits:",
|
||||
),
|
||||
join_rows(base_rows, head_rows),
|
||||
)
|
||||
|
||||
|
||||
def get_total(opcode_stats):
|
||||
total = 0
|
||||
for opcode_stat in opcode_stats.values():
|
||||
if "execution_count" in opcode_stat:
|
||||
total += opcode_stat['execution_count']
|
||||
total += opcode_stat["execution_count"]
|
||||
return total
|
||||
|
||||
|
||||
def emit_pair_counts(opcode_stats, total):
|
||||
pair_counts = []
|
||||
for name_i, opcode_stat in opcode_stats.items():
|
||||
|
|
@ -572,15 +705,22 @@ def emit_pair_counts(opcode_stats, total):
|
|||
pair_counts.sort(reverse=True)
|
||||
cumulative = 0
|
||||
rows = []
|
||||
for (count, pair) in itertools.islice(pair_counts, 100):
|
||||
for count, pair in itertools.islice(pair_counts, 100):
|
||||
name_i, name_j = pair
|
||||
cumulative += count
|
||||
rows.append((f"{name_i} {name_j}", count, format_ratio(count, total),
|
||||
format_ratio(cumulative, total)))
|
||||
emit_table(("Pair", "Count:", "Self:", "Cumulative:"),
|
||||
rows
|
||||
)
|
||||
with Section("Predecessor/Successor Pairs", summary="Top 5 predecessors and successors of each opcode"):
|
||||
rows.append(
|
||||
(
|
||||
f"{name_i} {name_j}",
|
||||
count,
|
||||
format_ratio(count, total),
|
||||
format_ratio(cumulative, total),
|
||||
)
|
||||
)
|
||||
emit_table(("Pair", "Count:", "Self:", "Cumulative:"), rows)
|
||||
with Section(
|
||||
"Predecessor/Successor Pairs",
|
||||
summary="Top 5 predecessors and successors of each opcode",
|
||||
):
|
||||
predecessors = collections.defaultdict(collections.Counter)
|
||||
successors = collections.defaultdict(collections.Counter)
|
||||
total_predecessors = collections.Counter()
|
||||
|
|
@ -598,38 +738,135 @@ def emit_pair_counts(opcode_stats, total):
|
|||
continue
|
||||
pred_rows = succ_rows = ()
|
||||
if total1:
|
||||
pred_rows = [(pred, count, f"{count/total1:.1%}")
|
||||
for (pred, count) in predecessors[name].most_common(5)]
|
||||
pred_rows = [
|
||||
(pred, count, f"{count/total1:.1%}")
|
||||
for (pred, count) in predecessors[name].most_common(5)
|
||||
]
|
||||
if total2:
|
||||
succ_rows = [(succ, count, f"{count/total2:.1%}")
|
||||
for (succ, count) in successors[name].most_common(5)]
|
||||
succ_rows = [
|
||||
(succ, count, f"{count/total2:.1%}")
|
||||
for (succ, count) in successors[name].most_common(5)
|
||||
]
|
||||
with Section(name, 3, f"Successors and predecessors for {name}"):
|
||||
emit_table(("Predecessors", "Count:", "Percentage:"),
|
||||
pred_rows
|
||||
)
|
||||
emit_table(("Successors", "Count:", "Percentage:"),
|
||||
succ_rows
|
||||
)
|
||||
emit_table(("Predecessors", "Count:", "Percentage:"), pred_rows)
|
||||
emit_table(("Successors", "Count:", "Percentage:"), succ_rows)
|
||||
|
||||
|
||||
def calculate_optimization_stats(stats):
|
||||
attempts = stats["Optimization attempts"]
|
||||
created = stats["Optimization traces created"]
|
||||
executed = stats["Optimization traces executed"]
|
||||
uops = stats["Optimization uops executed"]
|
||||
trace_stack_overflow = stats["Optimization trace stack overflow"]
|
||||
trace_stack_underflow = stats["Optimization trace stack underflow"]
|
||||
trace_too_long = stats["Optimization trace too long"]
|
||||
inner_loop = stats["Optimization inner loop"]
|
||||
recursive_call = stats["Optimization recursive call"]
|
||||
|
||||
return [
|
||||
("Optimization attempts", attempts, ""),
|
||||
("Traces created", created, format_ratio(created, attempts)),
|
||||
("Traces executed", executed, ""),
|
||||
("Uops executed", uops, int(uops / (executed or 1))),
|
||||
("Trace stack overflow", trace_stack_overflow, ""),
|
||||
("Trace stack underflow", trace_stack_underflow, ""),
|
||||
("Trace too long", trace_too_long, ""),
|
||||
("Inner loop found", inner_loop, ""),
|
||||
("Recursive call", recursive_call, ""),
|
||||
]
|
||||
|
||||
|
||||
def calculate_uop_execution_counts(opcode_stats):
|
||||
total = 0
|
||||
counts = []
|
||||
for name, opcode_stat in opcode_stats.items():
|
||||
if "execution_count" in opcode_stat:
|
||||
count = opcode_stat["execution_count"]
|
||||
counts.append((count, name))
|
||||
total += count
|
||||
counts.sort(reverse=True)
|
||||
cumulative = 0
|
||||
rows = []
|
||||
for count, name in counts:
|
||||
cumulative += count
|
||||
rows.append(
|
||||
(name, count, format_ratio(count, total), format_ratio(cumulative, total))
|
||||
)
|
||||
return rows
|
||||
|
||||
|
||||
def emit_optimization_stats(stats):
|
||||
if "Optimization attempts" not in stats:
|
||||
return
|
||||
|
||||
uop_stats = extract_opcode_stats(stats, "uops")
|
||||
|
||||
with Section(
|
||||
"Optimization (Tier 2) stats", summary="statistics about the Tier 2 optimizer"
|
||||
):
|
||||
with Section("Overall stats", level=3):
|
||||
rows = calculate_optimization_stats(stats)
|
||||
emit_table(("", "Count:", "Ratio:"), rows)
|
||||
|
||||
emit_histogram(
|
||||
"Trace length histogram",
|
||||
stats,
|
||||
"Trace length",
|
||||
stats["Optimization traces created"],
|
||||
)
|
||||
emit_histogram(
|
||||
"Optimized trace length histogram",
|
||||
stats,
|
||||
"Optimized trace length",
|
||||
stats["Optimization traces created"],
|
||||
)
|
||||
emit_histogram(
|
||||
"Trace run length histogram",
|
||||
stats,
|
||||
"Trace run length",
|
||||
stats["Optimization traces executed"],
|
||||
)
|
||||
|
||||
with Section("Uop stats", level=3):
|
||||
rows = calculate_uop_execution_counts(uop_stats)
|
||||
emit_table(("Uop", "Count:", "Self:", "Cumulative:"), rows)
|
||||
|
||||
with Section("Unsupported opcodes", level=3):
|
||||
unsupported_opcodes = extract_opcode_stats(stats, "unsupported_opcode")
|
||||
data = []
|
||||
for opcode, entry in unsupported_opcodes.items():
|
||||
data.append((entry["count"], opcode))
|
||||
data.sort(reverse=True)
|
||||
rows = [(x[1], x[0]) for x in data]
|
||||
emit_table(("Opcode", "Count"), rows)
|
||||
|
||||
|
||||
def emit_comparative_optimization_stats(base_stats, head_stats):
|
||||
print("## Comparative optimization stats not implemented\n\n")
|
||||
|
||||
|
||||
def output_single_stats(stats):
|
||||
opcode_stats = extract_opcode_stats(stats)
|
||||
opcode_stats = extract_opcode_stats(stats, "opcode")
|
||||
total = get_total(opcode_stats)
|
||||
emit_execution_counts(opcode_stats, total)
|
||||
emit_pair_counts(opcode_stats, total)
|
||||
emit_specialization_stats(opcode_stats, stats["_defines"])
|
||||
emit_specialization_overview(opcode_stats, total, stats["_specialized_instructions"])
|
||||
emit_specialization_overview(
|
||||
opcode_stats, total, stats["_specialized_instructions"]
|
||||
)
|
||||
emit_call_stats(stats, stats["_stats_defines"])
|
||||
emit_object_stats(stats)
|
||||
emit_gc_stats(stats)
|
||||
emit_optimization_stats(stats)
|
||||
with Section("Meta stats", summary="Meta statistics"):
|
||||
emit_table(("", "Count:"), [('Number of data files', stats['__nfiles__'])])
|
||||
emit_table(("", "Count:"), [("Number of data files", stats["__nfiles__"])])
|
||||
|
||||
|
||||
def output_comparative_stats(base_stats, head_stats):
|
||||
base_opcode_stats = extract_opcode_stats(base_stats)
|
||||
base_opcode_stats = extract_opcode_stats(base_stats, "opcode")
|
||||
base_total = get_total(base_opcode_stats)
|
||||
|
||||
head_opcode_stats = extract_opcode_stats(head_stats)
|
||||
head_opcode_stats = extract_opcode_stats(head_stats, "opcode")
|
||||
head_total = get_total(head_opcode_stats)
|
||||
|
||||
emit_comparative_execution_counts(
|
||||
|
|
@ -639,12 +876,17 @@ def output_comparative_stats(base_stats, head_stats):
|
|||
base_opcode_stats, head_opcode_stats, head_stats["_defines"]
|
||||
)
|
||||
emit_comparative_specialization_overview(
|
||||
base_opcode_stats, base_total, head_opcode_stats, head_total,
|
||||
head_stats["_specialized_instructions"]
|
||||
base_opcode_stats,
|
||||
base_total,
|
||||
head_opcode_stats,
|
||||
head_total,
|
||||
head_stats["_specialized_instructions"],
|
||||
)
|
||||
emit_comparative_call_stats(base_stats, head_stats, head_stats["_stats_defines"])
|
||||
emit_comparative_object_stats(base_stats, head_stats)
|
||||
emit_comparative_gc_stats(base_stats, head_stats)
|
||||
emit_comparative_optimization_stats(base_stats, head_stats)
|
||||
|
||||
|
||||
def output_stats(inputs, json_output=None):
|
||||
if len(inputs) == 1:
|
||||
|
|
@ -654,9 +896,7 @@ def output_stats(inputs, json_output=None):
|
|||
output_single_stats(stats)
|
||||
elif len(inputs) == 2:
|
||||
if json_output is not None:
|
||||
raise ValueError(
|
||||
"Can not output to JSON when there are multiple inputs"
|
||||
)
|
||||
raise ValueError("Can not output to JSON when there are multiple inputs")
|
||||
|
||||
base_stats = gather_stats(inputs[0])
|
||||
head_stats = gather_stats(inputs[1])
|
||||
|
|
@ -665,6 +905,7 @@ def output_stats(inputs, json_output=None):
|
|||
print("---")
|
||||
print("Stats gathered on:", date.today())
|
||||
|
||||
|
||||
def main():
|
||||
parser = argparse.ArgumentParser(description="Summarize pystats results")
|
||||
|
||||
|
|
@ -680,14 +921,14 @@ def main():
|
|||
If one source is provided, its stats are printed.
|
||||
If two sources are provided, comparative stats are printed.
|
||||
Default is {DEFAULT_DIR}.
|
||||
"""
|
||||
""",
|
||||
)
|
||||
|
||||
parser.add_argument(
|
||||
"--json-output",
|
||||
nargs="?",
|
||||
type=argparse.FileType("w"),
|
||||
help="Output complete raw results to the given JSON file."
|
||||
help="Output complete raw results to the given JSON file.",
|
||||
)
|
||||
|
||||
args = parser.parse_args()
|
||||
|
|
@ -697,5 +938,6 @@ def main():
|
|||
|
||||
output_stats(args.inputs, json_output=args.json_output)
|
||||
|
||||
|
||||
if __name__ == "__main__":
|
||||
main()
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue