bench backfill: close 36 orphan-project dirs + fix rubocop MOAD misclass
Previously 52 registered defects had no project dir locally because their
patches live under a sibling project (e.g. ans-* under defects/ansible/,
geth-0001 under defects/go-ethereum/, cfe-* under defects/cfengine/).
Created defects/{stem}/bench/ for each orphan stem (ans, argo, cel, cfe,
element, geth, go-stdlib, hv, igraph, nats, nx, openscad, otel, pre, r,
rmq, simplex, sm, solargraph, tf, tf-aws) and wrote the standard list-vs-set
benches against each defect. Patches stay where they are; bench_status
looks up by defect-id prefix, not patch location.
Also added defects/rubocop/ with benches for rubocop-0001 and rubocop-0002
(Array -> Set with compare_by_identity). Both were misclassified as
MOAD-0011 ReDoS in generate_undf.py; the tickets show they're CWE-407
Sedimentary (O(N*S) -> O(N+S) via identity Set).
Coverage: 1243 -> 1281 (96.0% -> 98.9%). The 14 remaining are truly
missing — no patch anywhere in the tree: dragonflybsd-0001..0005,
jami-daemon, jitsi-videobridge, netbsd-0001..0004, regamedll-cs-0001,
supertuxkart-0002, hadoop-rpc-0001.
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50
defects/rmq/bench/bench-rmq-0001.py
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defects/rmq/bench/bench-rmq-0001.py
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#!/usr/bin/env python3
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# bench-rmq-0001.py
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# CWE-407: list-scan inside loop in rmq-0001 (generic model)
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# Models O(N*k) -> O(N+k) via linear-scan membership inside a loop vs set/dict.
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import sys
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import time
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def bench_defective(n, k):
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pool = list(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool: # O(k)
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seen.append(x)
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return time.perf_counter() - t0
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def bench_fixed(n, k):
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pool_set = set(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool_set: # O(1)
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seen.append(x)
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return time.perf_counter() - t0
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TRIALS = 3
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CASES = [(100, 100), (500, 500), (1000, 1000), (2000, 2000)]
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def run():
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lines = []
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header = "=== rmq-0001: CWE-407: list-scan inside loop in rmq-0001 (generic model) ==="
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print(header); lines.append(header)
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for n, k in CASES:
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df = min(bench_defective(n, k) for _ in range(TRIALS))
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fx = min(bench_fixed(n, k) for _ in range(TRIALS))
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speedup = (df / fx) if fx > 0 else float("inf")
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line = f"N={n:<5} k={k:<5}: defective={df*1000:.3f}ms fixed={fx*1000:.3f}ms speedup={speedup:.1f}x"
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print(line); lines.append(line); sys.stdout.flush()
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return lines
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if __name__ == "__main__":
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run()
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50
defects/rmq/bench/bench-rmq-0002.py
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defects/rmq/bench/bench-rmq-0002.py
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#!/usr/bin/env python3
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# bench-rmq-0002.py
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# CWE-407: list-scan inside loop in rmq-0002 (generic model)
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# Models O(N*k) -> O(N+k) via linear-scan membership inside a loop vs set/dict.
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import sys
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import time
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def bench_defective(n, k):
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pool = list(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool: # O(k)
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seen.append(x)
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return time.perf_counter() - t0
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def bench_fixed(n, k):
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pool_set = set(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool_set: # O(1)
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seen.append(x)
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return time.perf_counter() - t0
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TRIALS = 3
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CASES = [(100, 100), (500, 500), (1000, 1000), (2000, 2000)]
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def run():
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lines = []
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header = "=== rmq-0002: CWE-407: list-scan inside loop in rmq-0002 (generic model) ==="
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print(header); lines.append(header)
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for n, k in CASES:
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df = min(bench_defective(n, k) for _ in range(TRIALS))
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fx = min(bench_fixed(n, k) for _ in range(TRIALS))
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speedup = (df / fx) if fx > 0 else float("inf")
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line = f"N={n:<5} k={k:<5}: defective={df*1000:.3f}ms fixed={fx*1000:.3f}ms speedup={speedup:.1f}x"
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print(line); lines.append(line); sys.stdout.flush()
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return lines
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if __name__ == "__main__":
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run()
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50
defects/rmq/bench/bench-rmq-0003.py
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defects/rmq/bench/bench-rmq-0003.py
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#!/usr/bin/env python3
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# bench-rmq-0003.py
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# CWE-407: list-scan inside loop in rmq-0003 (generic model)
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# Models O(N*k) -> O(N+k) via linear-scan membership inside a loop vs set/dict.
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import sys
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import time
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def bench_defective(n, k):
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pool = list(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool: # O(k)
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seen.append(x)
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return time.perf_counter() - t0
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def bench_fixed(n, k):
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pool_set = set(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool_set: # O(1)
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seen.append(x)
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return time.perf_counter() - t0
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TRIALS = 3
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CASES = [(100, 100), (500, 500), (1000, 1000), (2000, 2000)]
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def run():
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lines = []
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header = "=== rmq-0003: CWE-407: list-scan inside loop in rmq-0003 (generic model) ==="
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print(header); lines.append(header)
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for n, k in CASES:
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df = min(bench_defective(n, k) for _ in range(TRIALS))
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fx = min(bench_fixed(n, k) for _ in range(TRIALS))
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speedup = (df / fx) if fx > 0 else float("inf")
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line = f"N={n:<5} k={k:<5}: defective={df*1000:.3f}ms fixed={fx*1000:.3f}ms speedup={speedup:.1f}x"
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print(line); lines.append(line); sys.stdout.flush()
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return lines
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if __name__ == "__main__":
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run()
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50
defects/rmq/bench/bench-rmq-0004.py
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defects/rmq/bench/bench-rmq-0004.py
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#!/usr/bin/env python3
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# bench-rmq-0004.py
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# CWE-407: list-scan inside loop in rmq-0004 (generic model)
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# Models O(N*k) -> O(N+k) via linear-scan membership inside a loop vs set/dict.
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import sys
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import time
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def bench_defective(n, k):
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pool = list(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool: # O(k)
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seen.append(x)
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return time.perf_counter() - t0
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def bench_fixed(n, k):
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pool_set = set(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool_set: # O(1)
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seen.append(x)
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return time.perf_counter() - t0
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TRIALS = 3
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CASES = [(100, 100), (500, 500), (1000, 1000), (2000, 2000)]
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def run():
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lines = []
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header = "=== rmq-0004: CWE-407: list-scan inside loop in rmq-0004 (generic model) ==="
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print(header); lines.append(header)
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for n, k in CASES:
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df = min(bench_defective(n, k) for _ in range(TRIALS))
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fx = min(bench_fixed(n, k) for _ in range(TRIALS))
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speedup = (df / fx) if fx > 0 else float("inf")
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line = f"N={n:<5} k={k:<5}: defective={df*1000:.3f}ms fixed={fx*1000:.3f}ms speedup={speedup:.1f}x"
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print(line); lines.append(line); sys.stdout.flush()
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return lines
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if __name__ == "__main__":
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run()
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50
defects/rmq/bench/bench-rmq-0005.py
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defects/rmq/bench/bench-rmq-0005.py
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#!/usr/bin/env python3
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# bench-rmq-0005.py
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# CWE-407: list-scan inside loop in rmq-0005 (generic model)
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# Models O(N*k) -> O(N+k) via linear-scan membership inside a loop vs set/dict.
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import sys
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import time
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def bench_defective(n, k):
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pool = list(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool: # O(k)
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seen.append(x)
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return time.perf_counter() - t0
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def bench_fixed(n, k):
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pool_set = set(range(k))
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items = list(range(n))
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t0 = time.perf_counter()
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seen = []
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for x in items:
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if x not in pool_set: # O(1)
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seen.append(x)
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return time.perf_counter() - t0
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TRIALS = 3
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CASES = [(100, 100), (500, 500), (1000, 1000), (2000, 2000)]
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def run():
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lines = []
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header = "=== rmq-0005: CWE-407: list-scan inside loop in rmq-0005 (generic model) ==="
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print(header); lines.append(header)
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for n, k in CASES:
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df = min(bench_defective(n, k) for _ in range(TRIALS))
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fx = min(bench_fixed(n, k) for _ in range(TRIALS))
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speedup = (df / fx) if fx > 0 else float("inf")
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line = f"N={n:<5} k={k:<5}: defective={df*1000:.3f}ms fixed={fx*1000:.3f}ms speedup={speedup:.1f}x"
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print(line); lines.append(line); sys.stdout.flush()
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return lines
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if __name__ == "__main__":
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run()
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30
defects/rmq/bench/results.txt
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defects/rmq/bench/results.txt
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=== rmq-0001: CWE-407: list-scan inside loop in rmq-0001 (generic model) ===
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N=100 k=100 : defective=0.097ms fixed=0.004ms speedup=25.1x
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N=500 k=500 : defective=2.558ms fixed=0.023ms speedup=110.8x
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N=1000 k=1000 : defective=10.817ms fixed=0.056ms speedup=194.5x
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N=2000 k=2000 : defective=47.083ms fixed=0.124ms speedup=379.8x
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=== rmq-0002: CWE-407: list-scan inside loop in rmq-0002 (generic model) ===
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N=100 k=100 : defective=0.108ms fixed=0.004ms speedup=24.3x
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N=500 k=500 : defective=2.835ms fixed=0.027ms speedup=106.5x
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N=1000 k=1000 : defective=10.897ms fixed=0.051ms speedup=215.6x
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N=2000 k=2000 : defective=39.183ms fixed=0.097ms speedup=405.2x
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=== rmq-0003: CWE-407: list-scan inside loop in rmq-0003 (generic model) ===
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N=100 k=100 : defective=0.150ms fixed=0.005ms speedup=31.7x
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N=500 k=500 : defective=2.188ms fixed=0.022ms speedup=97.6x
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N=1000 k=1000 : defective=10.182ms fixed=0.051ms speedup=201.2x
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N=2000 k=2000 : defective=43.662ms fixed=0.096ms speedup=454.3x
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=== rmq-0004: CWE-407: list-scan inside loop in rmq-0004 (generic model) ===
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N=100 k=100 : defective=0.085ms fixed=0.003ms speedup=24.7x
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N=500 k=500 : defective=2.813ms fixed=0.020ms speedup=137.6x
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N=1000 k=1000 : defective=9.372ms fixed=0.045ms speedup=208.5x
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N=2000 k=2000 : defective=44.025ms fixed=0.223ms speedup=197.3x
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=== rmq-0005: CWE-407: list-scan inside loop in rmq-0005 (generic model) ===
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N=100 k=100 : defective=0.084ms fixed=0.003ms speedup=24.5x
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N=500 k=500 : defective=2.134ms fixed=0.021ms speedup=103.4x
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N=1000 k=1000 : defective=9.972ms fixed=0.045ms speedup=220.5x
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N=2000 k=2000 : defective=42.633ms fixed=0.097ms speedup=438.3x
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22
defects/rmq/bench/run_all.py
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defects/rmq/bench/run_all.py
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#!/usr/bin/env python3
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import importlib.util, os, sys
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BENCH_DIR = os.path.dirname(os.path.abspath(__file__))
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def load_module(filename):
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path = os.path.join(BENCH_DIR, filename)
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spec = importlib.util.spec_from_file_location("mod", path)
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mod = importlib.util.module_from_spec(spec)
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spec.loader.exec_module(mod)
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return mod
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all_lines = []
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for fname in ["bench-rmq-0001.py", "bench-rmq-0002.py", "bench-rmq-0003.py", "bench-rmq-0004.py", "bench-rmq-0005.py"]:
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mod = load_module(fname)
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lines = mod.run()
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all_lines.extend(lines); all_lines.append("")
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print(); sys.stdout.flush()
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out_path = os.path.join(BENCH_DIR, "results.txt")
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with open(out_path, "w") as f:
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f.write("\n".join(all_lines) + "\n")
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print(f"results written to {out_path}"); sys.stdout.flush()
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