horner_pure_li greenvalidity pass

Tier 1 · wall_time · N=1M Horner · variant pure_li · OS linux

Validity gate

passpass — perf claims allowed when ratio is green

Source: latest.csv:perf_present

Wall-clock row exists only — no explicit correctness signal yet.

Ratio vs best competitor
1.167 (116.7% of rust speed) (best in series: rust — Li is never labeled best)
Best competitor value
0.0007 s

Numeric oracle

No analytical verify rows in ingest yet. Run tier-1 with --verify so latest.csv exports verify_ulps / verify_within_1ulp.

Problem size
N=1M Horner
Category
micro
Pillar
compiler
Package
lic
Li / catalog oracle (mean ± σ)
0.0006 ± 0.000164 s (n=200) / 0.0008 ± 0.000142 s (n=200) (cpp)
Ratio vs catalog oracle
0.7500×
Best competitor
rust (0.0007 s)
Li relative speed vs SOTA
1.167 (1.0 = rust speed)
Validity
validity pass
Threshold
1.2×
Source
lic/benchmarks/tier1_micro/horner_pure_li

PH ids: PH-5b, PH-7e

Performance vs best competitor

Compare oracle: cpp

Relative speed vs best competitor (rust) — SOTA = 1.0, higher is better. Absolute s values are in the table below.

Absolute measurements

Language comparison
LangMean ± σRunsUnitVariantOS
li0.0006 ± 0.000164200sreleaselinux
cpp0.0008 ± 0.000142200sreleaselinux
rust0.0007 ± 0.000135200sreleaselinux
julia0.0007 ± 0.00013200sreleaselinux
Metric: wall_time (value = mean of timed runs)

Host OS

Measurement hosts by language
ScopeOS
Row aggregatelinux
li (release)linux
cpp (release)linux
rust (release)linux
julia (release)linux

Latest history deltas

  • ratio_vs_cpp: 0.4444 → 0.75 (Δ 0.3056) · regressed

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