diff --git a/.github/configs/amd-master.yaml b/.github/configs/amd-master.yaml
index 867a81716..13d0e6146 100644
--- a/.github/configs/amd-master.yaml
+++ b/.github/configs/amd-master.yaml
@@ -215,11 +215,13 @@ qwen3.5-fp4-mi355x-sglang:
   - isl: 1024
     osl: 1024
     search-space:
-    - { tp: 4, conc-start: 4, conc-end: 256 }
+    - { tp: 2, conc-start: 4, conc-end: 256 }
+    - { tp: 4, conc-start: 4, conc-end: 4 }
   - isl: 8192
     osl: 1024
     search-space:
-    - { tp: 4, conc-start: 4, conc-end: 256 }
+    - { tp: 2, conc-start: 4, conc-end: 256 }
+    - { tp: 4, conc-start: 4, conc-end: 32 }
 
 qwen3.5-fp8-mi300x-sglang:
   image: lmsysorg/sglang:v0.5.9-rocm720-mi30x
diff --git a/perf-changelog.yaml b/perf-changelog.yaml
index a9250cbd5..edfa24efd 100644
--- a/perf-changelog.yaml
+++ b/perf-changelog.yaml
@@ -1336,3 +1336,9 @@
   description:
     - "Bump GLM-5 FP8 B200 SGLang concurrency from 128 to 256"
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/1012
+  
+- config-keys:
+    - qwen3.5-fp4-mi355x-sglang
+  description:
+    - "TP2/TP4 seach space exploration for Qwen3.5 fp4 on SGL"
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/1022