diff --git a/.github/configs/amd-master.yaml b/.github/configs/amd-master.yaml
index e84fc0da5..58323b6a8 100644
--- a/.github/configs/amd-master.yaml
+++ b/.github/configs/amd-master.yaml
@@ -114,7 +114,7 @@ dsr1-fp8-mi355x-sglang:
     - { tp: 8, conc-start: 4, conc-end: 64 }
 
 qwen3.5-bf16-mi355x-sglang:
-  image: rocm/sgl-dev:v0.5.8.post1-rocm720-mi35x-20260215
+  image: lmsysorg/sglang-rocm:v0.5.10rc0-rocm720-mi35x-20260327
   model: Qwen/Qwen3.5-397B-A17B
   model-prefix: qwen3.5
   runner: mi355x
@@ -125,11 +125,13 @@ qwen3.5-bf16-mi355x-sglang:
   - isl: 1024
     osl: 1024
     search-space:
-    - { tp: 8, conc-start: 4, conc-end: 64 }
+    - { tp: 8, conc-start: 4, conc-end: 256 }
+    - { tp: 8, ep: 8, conc-start: 64, conc-end: 256 }
   - isl: 8192
     osl: 1024
     search-space:
-    - { tp: 8, conc-start: 4, conc-end: 64 }
+    - { tp: 8, conc-start: 4, conc-end: 256 }
+    - { tp: 8, ep: 8, conc-start: 64, conc-end: 256 }
 
 qwen3.5-bf16-mi300x-sglang:
   image: lmsysorg/sglang:v0.5.9-rocm720-mi30x
@@ -186,7 +188,7 @@ qwen3.5-fp8-mi325x-sglang:
     - { tp: 8, conc-start: 4, conc-end: 64 }
 
 qwen3.5-fp8-mi355x-sglang:
-  image: rocm/sgl-dev:v0.5.8.post1-rocm720-mi35x-20260218
+  image: lmsysorg/sglang-rocm:v0.5.10rc0-rocm720-mi35x-20260327
   model: Qwen/Qwen3.5-397B-A17B-FP8
   model-prefix: qwen3.5
   runner: mi355x
@@ -198,10 +200,12 @@ qwen3.5-fp8-mi355x-sglang:
     osl: 1024
     search-space:
     - { tp: 8, conc-start: 4, conc-end: 64 }
+    - { tp: 4, ep: 4, conc-start: 16, conc-end: 256 }
   - isl: 8192
     osl: 1024
     search-space:
     - { tp: 8, conc-start: 4, conc-end: 64 }
+    - { tp: 4, ep: 4, conc-start: 16, conc-end: 256 }
 
 qwen3.5-fp8-mi300x-sglang:
   image: lmsysorg/sglang:v0.5.9-rocm720-mi30x
diff --git a/benchmarks/single_node/qwen3.5_bf16_mi355x.sh b/benchmarks/single_node/qwen3.5_bf16_mi355x.sh
index 701695def..ce82b9a53 100755
--- a/benchmarks/single_node/qwen3.5_bf16_mi355x.sh
+++ b/benchmarks/single_node/qwen3.5_bf16_mi355x.sh
@@ -9,7 +9,8 @@ check_env_vars \
     ISL \
     OSL \
     RANDOM_RANGE_RATIO \
-    RESULT_FILENAME
+    RESULT_FILENAME \
+    EP_SIZE
 
 if [[ -n "$SLURM_JOB_ID" ]]; then
   echo "JOB $SLURM_JOB_ID running on $SLURMD_NODENAME"
@@ -19,11 +20,14 @@ hf download "$MODEL"
 
 SERVER_LOG=/workspace/server.log
 PORT=${PORT:-8888}
+CONTEXT_LENGTH=$((ISL + OSL + 20))
+MAX_PREFILL_TOKENS=32768
 
 EVAL_CONTEXT_ARGS=""
 if [ "${EVAL_ONLY}" = "true" ]; then
     setup_eval_context
     EVAL_CONTEXT_ARGS="--context-length $EVAL_MAX_MODEL_LEN"
+else EVAL_CONTEXT_ARGS="--context-length $CONTEXT_LENGTH"
 fi
 # Start GPU monitoring (power, temperature, clocks every second)
 start_gpu_monitor
@@ -34,8 +38,16 @@ python3 -m sglang.launch_server \
     --host=0.0.0.0 \
     --port $PORT \
     --tensor-parallel-size $TP \
+    --ep-size $EP_SIZE \
+    --data-parallel-size 1 \
     --trust-remote-code \
-    --mem-fraction-static 0.8 $EVAL_CONTEXT_ARGS > $SERVER_LOG 2>&1 &
+    --tokenizer-worker-num 6 \
+    --enable-aiter-allreduce-fusion \
+    --cuda-graph-max-bs $CONC \
+    --disable-radix-cache \
+    --max-prefill-tokens $MAX_PREFILL_TOKENS \
+    --scheduler-recv-interval 30 \
+    --mem-fraction-static 0.75 $EVAL_CONTEXT_ARGS > $SERVER_LOG 2>&1 &
 
 SERVER_PID=$!
 
diff --git a/benchmarks/single_node/qwen3.5_fp8_mi355x.sh b/benchmarks/single_node/qwen3.5_fp8_mi355x.sh
index 701695def..ce82b9a53 100644
--- a/benchmarks/single_node/qwen3.5_fp8_mi355x.sh
+++ b/benchmarks/single_node/qwen3.5_fp8_mi355x.sh
@@ -9,7 +9,8 @@ check_env_vars \
     ISL \
     OSL \
     RANDOM_RANGE_RATIO \
-    RESULT_FILENAME
+    RESULT_FILENAME \
+    EP_SIZE
 
 if [[ -n "$SLURM_JOB_ID" ]]; then
   echo "JOB $SLURM_JOB_ID running on $SLURMD_NODENAME"
@@ -19,11 +20,14 @@ hf download "$MODEL"
 
 SERVER_LOG=/workspace/server.log
 PORT=${PORT:-8888}
+CONTEXT_LENGTH=$((ISL + OSL + 20))
+MAX_PREFILL_TOKENS=32768
 
 EVAL_CONTEXT_ARGS=""
 if [ "${EVAL_ONLY}" = "true" ]; then
     setup_eval_context
     EVAL_CONTEXT_ARGS="--context-length $EVAL_MAX_MODEL_LEN"
+else EVAL_CONTEXT_ARGS="--context-length $CONTEXT_LENGTH"
 fi
 # Start GPU monitoring (power, temperature, clocks every second)
 start_gpu_monitor
@@ -34,8 +38,16 @@ python3 -m sglang.launch_server \
     --host=0.0.0.0 \
     --port $PORT \
     --tensor-parallel-size $TP \
+    --ep-size $EP_SIZE \
+    --data-parallel-size 1 \
     --trust-remote-code \
-    --mem-fraction-static 0.8 $EVAL_CONTEXT_ARGS > $SERVER_LOG 2>&1 &
+    --tokenizer-worker-num 6 \
+    --enable-aiter-allreduce-fusion \
+    --cuda-graph-max-bs $CONC \
+    --disable-radix-cache \
+    --max-prefill-tokens $MAX_PREFILL_TOKENS \
+    --scheduler-recv-interval 30 \
+    --mem-fraction-static 0.75 $EVAL_CONTEXT_ARGS > $SERVER_LOG 2>&1 &
 
 SERVER_PID=$!
 
diff --git a/perf-changelog.yaml b/perf-changelog.yaml
index 967edc19c..68d38ea70 100644
--- a/perf-changelog.yaml
+++ b/perf-changelog.yaml
@@ -1220,3 +1220,11 @@
     - "Uses nvidia/GLM-5-NVFP4 model with modelopt_fp4 quantization"
     - "Image: lmsysorg/sglang:nightly-dev-cu13-20260328-a27651d5"
   pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/973
+- config-keys:
+    - qwen3.5-bf16-mi355x-sglang
+    - qwen3.5-fp8-mi355x-sglang
+  description:
+    - "Update cli args of Qwen3.5 FP8 and BF16 SGLang benchmarks for MI355X to achieve better performance"
+    - "Use lmsysorg/sglang-rocm:v0.5.10rc0-rocm720-mi35x-20260327"
+  pr-link: https://github.com/SemiAnalysisAI/InferenceX/pull/980
+