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44745f2 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | from inferscale import run_simulation
def base_config():
return {
"model": "Qwen2.5-3B",
"accelerator": "L4",
"prefill_accelerator": "L4",
"decode_accelerator": "L4",
"quantization": "int8",
"scheduler": "continuous_slo",
"topology": "disaggregated_pd",
"duration_s": 5,
"request_rate_rps": 1.5,
"prompt_tokens_mean": 128,
"prompt_tokens_cv": 0.1,
"output_tokens_mean": 8,
"output_tokens_cv": 0.1,
"seed": 4,
"slo_ttft_ms": 2000,
"slo_e2e_ms": 10000,
}
def test_disaggregated_pipeline_completes_and_reports_transfer():
result = run_simulation(base_config())
assert result["provenance"]["topology"] == "disaggregated_pd"
assert result["summary"]["requests_completed"] > 0
assert result["resource"]["kv_transfer_gb"] > 0
assert result["resource"]["accelerator_instances"] == 2
assert result["resource"]["p95_transfer_ms"] > 0
def test_more_decode_workers_are_modelled():
cfg = base_config()
cfg["decode_workers"] = 2
result = run_simulation(cfg)
assert result["resource"]["decode_workers"] == 2
assert result["resource"]["accelerator_instances"] == 3
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