fix(agentic-mtp): restore MAX_RUNNING_REQUESTS to 2*CONC

Revert MAX_RUNNING_REQUESTS from CONC back to 2*CONC to match the
old (good) run configuration that achieved 5,985 completed records.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: seungrokj

benchmarks/single_node/agentic/dsv4_fp4_mi355x_sglang_mtp.sh

@@ -112,7 +112,8 @@ fi
 # SGLang treats max-running-requests as a global DPA limit and partitions it
 # internally. CUDA graph capture is per scheduler, so only its batch size is
 # divided across DP ranks.
-MAX_RUNNING_REQUESTS=$CONC
+# 0719
+MAX_RUNNING_REQUESTS=$((2 * CONC))
 # 0719
 CUDA_GRAPH_MAX_BS=$CONC
 [ "$CUDA_GRAPH_MAX_BS" -gt 128 ] && CUDA_GRAPH_MAX_BS=128