From a2dd6f752d41d4b2a719711b7d20ffedd45f3572 Mon Sep 17 00:00:00 2001
From: Julian Hammer <julian.hammer@fau.de>
Date: Mon, 9 Nov 2020 12:35:13 +0100
Subject: [PATCH] added comment

---
 osaca/semantics/arch_semantics.py | 1 +
 1 file changed, 1 insertion(+)

diff --git a/osaca/semantics/arch_semantics.py b/osaca/semantics/arch_semantics.py
index 8f6b59c..77f88ad 100755
--- a/osaca/semantics/arch_semantics.py
+++ b/osaca/semantics/arch_semantics.py
@@ -418,6 +418,7 @@ class ArchSemantics(ISASemantics):
         """Get the overall throughput sum separated by port of all instructions of a kernel."""
         port_pressures = [instr['port_pressure'] for instr in kernel]
         # Essentially summing up each columns of port_pressures, where each column is one port
+        # and each row is one line of the kernel
         # round is necessary to ensure termination of ArchsSemantics.assign_optimal_throughput
         tp_sum = [round(sum(col), 2) for col in zip(*port_pressures)]
         return tp_sum