hw: Tune defaults for CAQ parameters, covering TCDM

pulp-platform · Feb 14, 2024 · 275ac25 · 275ac25
1 parent 9bb2631
commit 275ac25
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/docs/schema/snitch_cluster.schema.json b/docs/schema/snitch_cluster.schema.json
@@ -138,13 +138,13 @@
         },
         "caq_depth": {
             "type": "number",
-            "description": "Depth of consistency address queue (CAQ). At most `num_fp_outstanding_mem` plus offloading round trip time makes sense.",
-            "default": 4
+            "description": "Depth of consistency address queue (CAQ). Should cover as many FP load-stores as may be deferred in sequencer to prevent pseudo-dual-issue blocking.",
+            "default": 8
         },
         "caq_tag_width": {
             "type": "number",
-            "description": "Tag width for consistency address queue (CAQ). Reordering of integer/FP loads/stores to words with colliding tags causes stalls.",
-            "default": 8
+            "description": "Tag width for consistency address queue (CAQ). Reordering of integer/FP loads/stores to words with colliding tags causes stalls. Should cover at least TCDM.",
+            "default": 16
         },
         "enable_debug": {
             "type": "boolean",