1017 vllm032: bench 91/100 (177/194) with locally staged engram — hard mode 48/56, pp 2,927 t/s c1

Campaign 2026-10-23_175600_engram-local (tool-eval-bench v2.8.0, seed 42,
97 scenarios): 91/100, deployment 79, responsiveness 50 (median turn 3.0 s),
1 safety-critical (TC-92 tenant isolation). Production SGLang lane sits at
86-87/100 on the same model.

Throughput now matches production's prefill (pp2048 2,927 c1 / 2,336 c2 vs
prod 2,800-3,100; was 750 with engram on the NAS). Decode is the remaining gap:
tg 37.0 c1 / 46.7 c2 against prod 47.8-50.7 / 64.2-68.3.

recipes/dsv41-flash-1017-4x-vllm032/reports/2026-10-23_175600_engram-local.log

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+{"event": "scenario_result", "scenario_id": "TC-96", "status": "pass", "points": 2, "index": 95, "total": 97, "duration_seconds": 14.4}
+{"event": "scenario_start", "scenario_id": "TC-97", "title": "Redact Every Layer of a Copy", "category": "P", "index": 96, "total": 97}
+{"event": "scenario_result", "scenario_id": "TC-97", "status": "pass", "points": 2, "index": 96, "total": 97, "duration_seconds": 28.43}
+{"event": "benchmark_complete", "json_file": "/Volumes/main/projects/git.kilork.org/sm121/recipes/recipes/dsv41-flash-1017-4x-vllm032/reports/2026-10-23_175600_engram-local.json", "final_score": 91}

recipes/dsv41-flash-1017-4x-vllm032/reports/2026-10-23_175600_engram-local.manifest.json

@@ -0,0 +1,79 @@
+{
+  "schema_version": 1,
+  "run": "2026-10-23_175600_engram-local",
+  "created_utc": "2026-10-23T18:22:56Z",
+  "recipe": {
+    "name": "DeepSeek-V4.1-Flash-1017 on vLLM main (eugr nightly 20261015), 4x",
+    "file": "/Volumes/main/projects/git.kilork.org/sm121/recipes/recipes/dsv41-flash-1017-4x-vllm032/recipe.toml",
+    "sha256": "78e1a5952973975621cb6d7cd030998efe10305450ac5717188fab981440ea89"
+  },
+  "cluster": {
+    "name": "dgx58-switch",
+    "nodes": [
+      "192.168.88.43",
+      "192.168.88.44",
+      "192.168.88.54",
+      "192.168.88.55"
+    ]
+  },
+  "config": {
+    "file": "config.toml",
+    "sha256": "8d63cf8e8cad7d3b83bdfbc03d0692b4a0aa4c9945e1dedb9a2aab594f705a51"
+  },
+  "launcher": {
+    "bin": "/Volumes/main/projects/git.kilork.org/sm121/launcher/target/debug/sm121",
+    "git_sha": "cb4d7d148f456bf3507f8ece7060273e3ed8889c"
+  },
+  "bench": {
+    "tool": "tool-eval-bench",
+    "version": "2.8.0",
+    "args": [
+      "--base-url",
+      "http://192.168.88.43:30000/v1",
+      "--model",
+      "dsv41",
+      "--seed",
+      "42",
+      "--hardmode",
+      "--perf",
+      "--benchy-args=--enable-prefix-caching",
+      "--concurrency",
+      "1,2",
+      "--json-file",
+      "/Volumes/main/projects/git.kilork.org/sm121/recipes/recipes/dsv41-flash-1017-4x-vllm032/reports/2026-10-23_175600_engram-local.json",
+      "--tokenizer",
+      "/tmp/dsv41-tok.json"
+    ],
+    "final_score": 91,
+    "points": "177/194"
+  },
+  "images": {
+    "eugr/spark-vllm-b12x:nightly-20261015": {
+      "build_checksum": "<no value>",
+      "nodes": {
+        "dgx5.lan": {
+          "id": "sha256:a7f76ae9f18c7701c9cde5f72c606393d9a21ca94dd8e53b27589935f64fcbe2",
+          "sm121_checksum": "<no value>"
+        },
+        "dgx6.lan": {
+          "id": "sha256:a7f76ae9f18c7701c9cde5f72c606393d9a21ca94dd8e53b27589935f64fcbe2",
+          "sm121_checksum": "<no value>"
+        },
+        "dgx7.lan": {
+          "id": "sha256:a7f76ae9f18c7701c9cde5f72c606393d9a21ca94dd8e53b27589935f64fcbe2",
+          "sm121_checksum": "<no value>"
+        },
+        "dgx8.lan": {
+          "id": "sha256:a7f76ae9f18c7701c9cde5f72c606393d9a21ca94dd8e53b27589935f64fcbe2",
+          "sm121_checksum": "<no value>"
+        }
+      }
+    }
+  },
+  "models": [
+    {
+      "id": "deepseek-ai/DeepSeek-V4.1-Flash-1017",
+      "snapshot": "1bae0e1088993b9b82de08f59de5be5a34e42170"
+    }
+  ]
+}

recipes/dsv41-flash-1017-4x-vllm032/reports/2026-10-23_175600_engram-local.recipe.toml

@@ -0,0 +1,88 @@
+# DeepSeek-V4.1-Flash-1017 on a STOCK-era vLLM (eugr nightly, vLLM main), 4x TP4.
+#
+# Purpose: answer "how far has stock vLLM come on OUR model?" — the production
+# lane is SGLang from a 2026-09-29 base, our vLLM lanes are a 0.26.1rc0 fork,
+# and upstream vLLM is 0.32.0 (see specs/tech-architecture/stock-stack-gaps-1017.md).
+# This lane is the vLLM side of that A/B: same checkpoint, same four Sparks,
+# same cluster as `dsv41-flash-1017-4x-sglang`.
+#
+# Image: `eugr/spark-vllm-b12x:nightly-20261015` — vLLM main `8244d1c44`, a
+# GB10/arm64 build (already on all four nodes). Verified by inspection:
+# registers DeepseekV41/GlmMoeDsa/Glm53DSpark, compressed-tensors 0.17.0 with
+# the mxfp4/mxfp8 schemes, and ships the mxfp4 linear/MoE kernel families.
+# It carries no sm121.checksum label, so `serve` warns STALE — expected for a
+# prebuilt pull, not a build we own.
+#
+# Deliberately minimal first boot: no speculation, no B12X* backend pins, no
+# engram override beyond `disk` — every one of those is a lab-fork-specific flag
+# whose presence in this image we have not verified, and each is a 25-minute
+# reload if wrong. Measure the baseline, then add DSpark k=5.
+#
+# Checkpoint geometry (config.json): DeepseekV41ForCausalLM, 40 layers,
+# hidden 5120, MTP heads in-checkpoint (num_nextn_predict_layers=3), 1M native
+# window, fp8 block [32,32]; 48 shards, 476 GB on the NAS including the Engram
+# tables.
+
+engine = "vllm"
+name = "DeepSeek-V4.1-Flash-1017 on vLLM main (eugr nightly 20261015), 4x"
+docker_image = "eugr/spark-vllm-b12x:nightly-20261015"  # prebuilt (no docker_image_dir)
+model = "deepseek-ai/DeepSeek-V4.1-Flash-1017"
+parent_model = "deepseek-ai/DeepSeek-V4.1-Flash"
+required_nodes = 4
+tensor_parallel_size = 4
+pipeline_parallel_size = 1
+distributed_backend = "mp"
+shm_size = "32gb"
+cluster = "dgx58-switch"
+entrypoint = ["vllm", "serve"]
+
+args = [
+    "--served-model-name", "dsv41",
+    "--trust-remote-code",
+    "--distributed-executor-backend", "mp",
+    "--gpu-memory-utilization", "0.88",
+    # 131072 first: the production lane runs 524288 behind SGLang's engram
+    # staging, but a vLLM boot that OOMs teaches us nothing. Raise after the
+    # baseline numbers exist.
+    "--max-model-len", "131072",
+    "--max-num-seqs", "4",
+    "--max-num-batched-tokens", "4096",
+    "--enable-chunked-prefill",
+    "--enable-prefix-caching",
+    "--kv-cache-dtype", "fp8",
+    "--block-size", "256",
+    # Engram: the 1017's learned n-gram tables live in the checkpoint; disk
+    # mode streams rows instead of pinning them (the lab fork's flag).
+    "--engram-config", """
+'{"cpu_offload":false,"table_memory":"disk"}'""",
+    # 2026-10-23 13:58: the image's InstantTensor lacks
+    # `_determine_buffer_size` (index-aware loading), so the fast loader is out
+    # and the default safetensors path is used — slower load, same result.
+    # "--load-format", "instanttensor",
+    "--generation-config", "vllm",
+    "--reasoning-parser", "deepseek_v41",
+    "--tool-call-parser", "deepseek_v41",
+    "--enable-auto-tool-choice",
+    # DSpark K5 (the production lane's shape): the MTP heads are in the
+    # checkpoint (num_nextn_predict_layers=3), no drafter repo needed.
+    "--speculative-config", """
+'{"method":"dspark","num_speculative_tokens":5}'""",
+]
+
+[env]
+HF_HUB_OFFLINE = "1"
+VLLM_ENGINE_READY_TIMEOUT_S = "5400"
+MAX_JOBS = "2"
+
+# Engram tables are read at ~1 MB per TOKEN (measured 2026-10-23: one 250-token
+# completion pulled 258 MB off the shared NFS mount). They live in exactly two
+# shards, so those two are staged to local NVMe on every launch node and the
+# rest of the 476 GB stays on shared storage — the launcher builds the view,
+# verifies it by content hash and refuses to start if a node lacks the space.
+[[staging]]
+kind = "local-view"
+repo = "deepseek-ai/DeepSeek-V4.1-Flash-1017"
+dst = "/home/kilork/models/dsv41-1017-local"
+local = ["model-00047-of-00048.safetensors", "model-00048-of-00048.safetensors"]
+min_free = "10G"
+verify = "sample-hash"