docs: record Qwen MLX benchmark results

benchmarks/inference/results/20260831T114928Z/summary.json

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+[
+  {
+    "runtime": "ollama",
+    "model": "qwen3.8:27b-mlx",
+    "concurrency": 1,
+    "requests": 5,
+    "successes": 5,
+    "failures": 0,
+    "ttft_s_mean": 0.18287834140937775,
+    "ttft_s_p50": 0.11936691601295024,
+    "ttft_s_p95": 0.3934195415815338,
+    "total_s_mean": 2.769790649821516,
+    "total_s_p50": 2.7544727920321748,
+    "total_s_p95": 3.450829833233729,
+    "prompt_tps_mean": 1201063.1140147406,
+    "prompt_tps_p50": 816.5668113066018,
+    "prompt_tps_p95": 3147950.5530253737,
+    "decode_tps_mean": 44.301349906835995,
+    "decode_tps_p50": 45.72630609321048,
+    "decode_tps_p95": 52.87492274071074,
+    "request_tps_mean": 42.02276635113332,
+    "request_tps_p50": 44.19526212378514,
+    "request_tps_p95": 46.37707708697445,
+    "aggregate_output_tps_mean": 42.01338924160581,
+    "aggregate_output_tps_p50": 44.18819214792146,
+    "aggregate_output_tps_p95": 46.368391249450006
+  },
+  {
+    "runtime": "ollama",
+    "model": "qwen3.8:27b-mlx",
+    "concurrency": 4,
+    "requests": 20,
+    "successes": 20,
+    "failures": 0,
+    "ttft_s_mean": 5.296346539442311,
+    "ttft_s_p50": 5.078280103509314,
+    "ttft_s_p95": 10.691154320855276,
+    "total_s_mean": 8.731022270751419,
+    "total_s_p50": 8.619212541496381,
+    "total_s_p95": 14.520918775268365,
+    "prompt_tps_mean": 4873110.971654413,
+    "prompt_tps_p50": 3843030.8359358422,
+    "prompt_tps_p95": 9861582.229537027,
+    "decode_tps_mean": 33.61516109813652,
+    "decode_tps_p50": 34.997484039567254,
+    "decode_tps_p95": 40.1951363429803,
+    "request_tps_mean": 18.258369295759792,
+    "request_tps_p50": 12.924863350205007,
+    "request_tps_p95": 36.94528376333951,
+    "aggregate_output_tps_mean": 33.27170984729996,
+    "aggregate_output_tps_p50": 33.918007597024484,
+    "aggregate_output_tps_p95": 35.45560236969114
+  }
+]