From aaa5dead0347137d89e55d8444fb6d75514c07ef Mon Sep 17 00:00:00 2001
From: Yaman Umuroglu <maltanar@gmail.com>
Date: Tue, 26 May 2020 14:43:12 +0100
Subject: [PATCH] [PYNQ] remove stale outputs in generated driver
---
src/finn/transformation/fpgadataflow/templates.py | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/src/finn/transformation/fpgadataflow/templates.py b/src/finn/transformation/fpgadataflow/templates.py
index 7ad555ef7..e2a1cd17e 100644
--- a/src/finn/transformation/fpgadataflow/templates.py
+++ b/src/finn/transformation/fpgadataflow/templates.py
@@ -91,7 +91,7 @@ cd %s
pynq_driver_template = """
import argparse
-
+import os
from pynq import Overlay
import numpy as np
from pynq import allocate
@@ -207,6 +207,9 @@ if __name__ == "__main__":
# for the remote execution the data from the input npy file has to be loaded,
# packed and copied to the PYNQ buffer
if exec_mode == "execute":
+ # remove old output file to prevent reusing old output
+ # in case execution fails
+ os.remove(outputfile)
# load desired input .npy file
ibuf_normal = np.load(inputfile)
ibuf_folded = finnDriver.fold_input(ibuf_normal)
@@ -217,6 +220,8 @@ if __name__ == "__main__":
# for the throughput test the runtime of the network has to be measured
if exec_mode == "throughput_test":
+ # remove old metrics file
+ os.remove("nw_metrics.txt")
# measure runtime of network
start = time.time()
# dictionary for results of throughput test
--
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