diff --git a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/mi355x-fp4/agentx/disagg-umbp-dspark.yaml b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/mi355x-fp4/agentx/disagg-umbp-dspark.yaml
index 724f16d9c2..5a5ea7ebb8 100644
--- a/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/mi355x-fp4/agentx/disagg-umbp-dspark.yaml
+++ b/inferencex-e2e/benchmarks/multi_node/srt-slurm-recipes/dsv4/sglang/mi355x-fp4/agentx/disagg-umbp-dspark.yaml
@@ -213,13 +213,13 @@ override_c1:
         speculative-dspark-block-size: 6
         speculative-num-draft-tokens: 7
     decode:
-      gpus: 4
+      gpus: 8
       env:
         SGLANG_MLA_HCA_KV_SPLITS: "8"
         MORI_MAX_DISPATCH_TOKENS_DECODE: "448"
         SGLANG_DSV4_UNIFIED_KV_FP8: "1"
       args:
-        tp-size: 4
+        tp-size: 8
         mem-fraction-static: 0.86
         max-running-requests: 8
         cuda-graph-bs-decode:
@@ -233,6 +233,7 @@ override_c1:
           - 8
         speculative-dspark-block-size: 6
         speculative-num-draft-tokens: 7
+        enable-amd-monokernel: true
 
 override_c16:
   roles:
diff --git a/inferencex-e2e/configs/amd-master.yaml b/inferencex-e2e/configs/amd-master.yaml
index ed18bec2d6..fead14c9f4 100644
--- a/inferencex-e2e/configs/amd-master.yaml
+++ b/inferencex-e2e/configs/amd-master.yaml
@@ -1197,7 +1197,7 @@ dsv41flash-fp4-mi325x-vllm-agentic-dspark:
       - { tp: 2, kv-offloading: none, spec-decoding: mtp, conc-list: [1, 2, 4, 8, 16, 32], srt-recipe: agentic.yaml }
 
 dsv4-fp4-mi355x-sglang-disagg-agentic-umbp-dspark:
-  image: lmsysorg/sglang-rocm:v0.5.22-rocm10-mi35x-20261026
+  image: lmsysorg/sglang-rocm:v0.5.22-rocm10-mi35x-20261028@sha256:44202f87c180a28a6b7570f56dfb37a2c0e90dbec901b16381b87a9d582b1f27
   model: deepseek-ai/DeepSeek-V4-Pro-0813
   model-prefix: dsv4
   runner: cluster:mi355x-amds
@@ -1223,7 +1223,7 @@ dsv4-fp4-mi355x-sglang-disagg-agentic-umbp-dspark:
           dp-attn: false
         decode:
           num-worker: 1
-          tp: 4
+          tp: 8
           ep: 1
           dp-attn: false
       - spec-decoding: "draft_model"
diff --git a/inferencex-e2e/perf-changelog.yaml b/inferencex-e2e/perf-changelog.yaml
index 907bd21213..2d85be34dd 100644
--- a/inferencex-e2e/perf-changelog.yaml
+++ b/inferencex-e2e/perf-changelog.yaml
@@ -11489,3 +11489,12 @@
     - "Update the MI355X DeepSeek-V4-Pro-0813 SGLang MoRI disaggregated AgentX serving image from lmsysorg/sglang-rocm:v0.5.22-rocm720-mi35x-20261019 to lmsysorg/sglang-rocm:v0.5.22-rocm10-mi35x-20261026, the latest published MI35x ROCm 10 nightly (digest sha256:edabad83728ab04e3eae39f315eb16261eeb64dbdb051112bd22fc88560b60c4)."
     - "Preserve all eight concurrency points (1, 16, 32, 48, 192, 256, 384, 512), prefill/decode topology, DSpark settings, UMBP offload, MoRI transfer, and benchmark client image. The workload binder supplies the serving image to every selected recipe variant."
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/4571
+
+- config-keys:
+    - dsv4-fp4-mi355x-sglang-disagg-agentic-umbp-dspark
+  scenario-type:
+    - agentic-coding
+  description:
+    - "Update the MI355X DeepSeek-V4-Pro-0813 SGLang MoRI disaggregated AgentX serving image to lmsysorg/sglang-rocm:v0.5.22-rocm10-mi35x-20261028@sha256:44202f87c180a28a6b7570f56dfb37a2c0e90dbec901b16381b87a9d582b1f27 and use P-TP4 / D-TP8 with the AMD mono kernel on decode only at concurrency 1."
+    - "Preserve DSpark, offload, all other concurrency settings, and the benchmark client image."
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/4602