FHIR TX Benchmark
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Round 0

2026-04-08

Apple M3, 8-core · 24 GB · macOS Tahoe 26.3 · Docker Desktop 4.64.0 (8 CPU / 20 GB)

SNOMED hierarchy subsumption

GET /CodeSystem/$subsumes?system=http://snomed.info/sct&codeA=<a>&codeB=<b>

Tests hierarchy introspection via the $subsumes operation. Pool covers all four FHIR subsumption outcomes — subsumes, subsumed-by, equivalent, and not-subsumed — across concepts at different hierarchy depths and across disjoint branches.

Preflight request 
GET /CodeSystem/$subsumes?system=http%3A%2F%2Fsnomed.info%2Fsct&codeA=64572001&codeB=6142004
Accept: application/fhir+json
Ranking
Servers ranked by weighted RPS (wRPS) for this test. wRPS = raw RPS × per-test normalizer × bias factor. Score % is relative to the top performer. Raw RPS is the measured peak throughput; imputed values (shown in italics in orange) are estimated for servers that did not run this test. Status: ✓ preflight passed, ✗ failed, ~ skipped.
# Server wRPS Score RPS Errors Status
1 termbox 3.3K
100%
6.6K 0% ✓
2 fhirsmith 2.7K
82%
5.4K 0% ✓
3 snowstorm 204
6%
411 0% ✓
4 ontoserver 197
6%
397 0% ✓
5 hades 118
4%
238 — ~
Latency
Latency percentiles per server across all VU levels. Columns: percentile / VU count.
p50/1 p95/1 p99/1 p50/10 p95/10 p99/10 p50/50 p95/50 p99/50
termbox 0.47ms0.55ms0.67ms1.4ms2.2ms3.4ms7.4ms9.4ms13ms
fhirsmith 0.33ms0.51ms0.85ms1.7ms2.6ms5.6ms8.2ms13ms16ms
ontoserver 3.4ms6.7ms14ms7.5ms58ms658ms55ms1.52s2.24s
snowstorm 8.6ms14ms20ms23ms43ms70ms119ms231ms382ms