From 9e0dfb54670beebae7e3041e5616434f84f67a14 Mon Sep 17 00:00:00 2001
From: Lucian Petrica <lucianp@xilinx.com>
Date: Wed, 7 Oct 2020 12:48:14 +0100
Subject: [PATCH] Rounding depth only to powers of 2 for compatibility with
Vivado
---
src/finn/transformation/fpgadataflow/set_fifo_depths.py | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)
diff --git a/src/finn/transformation/fpgadataflow/set_fifo_depths.py b/src/finn/transformation/fpgadataflow/set_fifo_depths.py
index 0f8880b3b..736f95048 100644
--- a/src/finn/transformation/fpgadataflow/set_fifo_depths.py
+++ b/src/finn/transformation/fpgadataflow/set_fifo_depths.py
@@ -71,9 +71,7 @@ def optimize_depth(depth):
return 2
if depth <= 32:
return 32
- if depth <= 1024:
- return int(2 ** math.ceil(math.log2(depth)))
- return int(math.ceil(depth / 1024) * 1024)
+ return int(2 ** math.ceil(math.log2(depth)))
class InsertAndSetFIFODepths(Transformation):
--
GitLab