From 1ac95d100c59265ae76df4fea676f016e1b19a50 Mon Sep 17 00:00:00 2001
From: Francois Fleuret <fleuret@elk.fleuret.org>
Date: Fri, 21 Oct 2016 07:53:14 +0200
Subject: [PATCH] Added the loss graph plotting.

---
 run.sh | 33 ++++++++++++++++++++++++++++++++-
 1 file changed, 32 insertions(+), 1 deletion(-)

diff --git a/run.sh b/run.sh
index d905ef9..c6f2690 100755
--- a/run.sh
+++ b/run.sh
@@ -30,6 +30,9 @@ set -o pipefail
 [[ "${DYNCNN_DATA_DIR}" ]] || DYNCNN_DATA_DIR="./data/10p-mg"
 [[ "${DYNCNN_RESULT_DIR}" ]] || DYNCNN_RESULT_DIR="./results"
 
+######################################################################
+# Create the data-set if needed
+
 if [[ -d "${DYNCNN_DATA_DIR}" ]]; then
     echo "Found ${DYNCNN_DATA_DIR}, checking the number of images in there."
     if [[ $(find "${DYNCNN_DATA_DIR}" -name "dyn_*.png" | wc -l) == 150000 ]]; then
@@ -48,7 +51,8 @@ else
                --dir "${DYNCNN_DATA_DIR}"
 fi
 
-# Train the model (takes days)
+######################################################################
+# Train the model (~30h on a GTX1080)
 
 if [[ ! -f "${DYNCNN_RESULT_DIR}"/epoch_01000_model ]]; then
     ./dyncnn.lua --heavy --dataDir="${DYNCNN_DATA_DIR}" \
@@ -57,6 +61,7 @@ if [[ ! -f "${DYNCNN_RESULT_DIR}"/epoch_01000_model ]]; then
                  --nbEpochs 1000
 fi
 
+######################################################################
 # Create the images of internal activations
 
 for n in 2 12; do
@@ -66,3 +71,29 @@ for n in 2 12; do
                  --noLog \
                  --exampleInternals=${n}
 done
+
+######################################################################
+# Plot the loss curves if gnuplot is here
+
+if [[ $(which gnuplot) ]]; then
+    echo "Plotting losses.pdf."
+
+    TERMINAL="pdfcairo color transparent enhanced font \"Times,14\""
+    EXTENSION="pdf"
+
+    gnuplot <<EOF
+set terminal ${TERMINAL}
+set output "${DYNCNN_RESULT_DIR}/losses.${EXTENSION}"
+set logscale x
+set logscale y
+set size ratio 0.75
+set xlabel "Number of epochs"
+set ylabel "Loss"
+plot '< grep "LOSS " "${DYNCNN_RESULT_DIR}"/log' using 2:4 with l lw 3 lc rgb '#c0c0ff' title 'Validation loss',\
+     '< grep "LOSS " "${DYNCNN_RESULT_DIR}"/log' using 2:3 with l lw 1 lc rgb '#000000' title 'Train loss'
+
+EOF
+
+fi
+
+######################################################################
-- 
2.39.5