Add tests for --lr-decay stalled and --early-stopping-on first|all|any

9 files changed, 217 insertions, 0 deletions

diff --git a/tests/training/features/lr-decay/.gitignore b/tests/training/features/lr-decay/.gitignore
new file mode 100644
index 0000000..bff5533
--- /dev/null
+++ b/tests/training/features/lr-decay/.gitignore
@@ -0,0 +1,3 @@
+lrdecay_*
+devset.*
+*.temp
diff --git a/tests/training/features/lr-decay/lrdecay_stalled.expected b/tests/training/features/lr-decay/lrdecay_stalled.expected
new file mode 100644
index 0000000..0f0c7c2
--- /dev/null
+++ b/tests/training/features/lr-decay/lrdecay_stalled.expected
@@ -0,0 +1,25 @@
+[valid] Ep. 1 : Up. 10 : valid-script : 111.4 : new best
+[valid] Ep. 1 : Up. 10 : ce-mean-words : 2.61662 : new best
+[valid] Ep. 1 : Up. 20 : valid-script : 111.3 : stalled 1 times (last best: 111.4)
+[valid] Ep. 1 : Up. 20 : ce-mean-words : 2.58011 : new best
+Decaying learning rate to 9e-05 after having stalled 1 time(s)
+[valid] Ep. 1 : Up. 30 : valid-script : 111.2 : stalled 2 times (last best: 111.4)
+[valid] Ep. 1 : Up. 30 : ce-mean-words : 2.56794 : new best
+Decaying learning rate to 8.1e-05 after having stalled 2 time(s)
+[valid] Ep. 1 : Up. 40 : valid-script : 111.1 : stalled 3 times (last best: 111.4)
+[valid] Ep. 1 : Up. 40 : ce-mean-words : 2.5826 : stalled 1 times (last best: 2.56794)
+Decaying learning rate to 7.29e-05 after having stalled 3 time(s)
+[valid] Ep. 1 : Up. 50 : valid-script : 111.6 : new best
+[valid] Ep. 1 : Up. 50 : ce-mean-words : 2.57143 : stalled 2 times (last best: 2.56794)
+[valid] Ep. 1 : Up. 60 : valid-script : 111.5 : stalled 1 times (last best: 111.6)
+[valid] Ep. 1 : Up. 60 : ce-mean-words : 2.57244 : stalled 3 times (last best: 2.56794)
+Decaying learning rate to 6.561e-05 after having stalled 1 time(s)
+[valid] Ep. 1 : Up. 70 : valid-script : 111.4 : stalled 2 times (last best: 111.6)
+[valid] Ep. 1 : Up. 70 : ce-mean-words : 2.60265 : stalled 4 times (last best: 2.56794)
+Decaying learning rate to 5.9049e-05 after having stalled 2 time(s)
+[valid] Ep. 1 : Up. 80 : valid-script : 111.3 : stalled 3 times (last best: 111.6)
+[valid] Ep. 1 : Up. 80 : ce-mean-words : 2.63735 : stalled 5 times (last best: 2.56794)
+Decaying learning rate to 5.31441e-05 after having stalled 3 time(s)
+[valid] Ep. 1 : Up. 90 : valid-script : 111.2 : stalled 4 times (last best: 111.6)
+[valid] Ep. 1 : Up. 90 : ce-mean-words : 2.68312 : stalled 6 times (last best: 2.56794)
+Decaying learning rate to 4.78297e-05 after having stalled 4 time(s)
diff --git a/tests/training/features/lr-decay/lrdecay_stalled_all.expected b/tests/training/features/lr-decay/lrdecay_stalled_all.expected
new file mode 100644
index 0000000..0dda108
--- /dev/null
+++ b/tests/training/features/lr-decay/lrdecay_stalled_all.expected
@@ -0,0 +1,23 @@
+[valid] Ep. 1 : Up. 10 : ce-mean-words : 2.61662 : new best
+[valid] Ep. 1 : Up. 10 : valid-script : 111.4 : new best
+[valid] Ep. 1 : Up. 20 : ce-mean-words : 2.58011 : new best
+[valid] Ep. 1 : Up. 20 : valid-script : 111.3 : stalled 1 times (last best: 111.4)
+[valid] Ep. 1 : Up. 30 : ce-mean-words : 2.56738 : new best
+[valid] Ep. 1 : Up. 30 : valid-script : 111.2 : stalled 2 times (last best: 111.4)
+[valid] Ep. 1 : Up. 40 : ce-mean-words : 2.59199 : stalled 1 times (last best: 2.56738)
+[valid] Ep. 1 : Up. 40 : valid-script : 111.1 : stalled 3 times (last best: 111.4)
+Decaying learning rate to 9e-05 after having stalled 1 time(s)
+[valid] Ep. 1 : Up. 50 : ce-mean-words : 2.57813 : stalled 2 times (last best: 2.56738)
+[valid] Ep. 1 : Up. 50 : valid-script : 111.6 : new best
+[valid] Ep. 1 : Up. 60 : ce-mean-words : 2.5914 : stalled 3 times (last best: 2.56738)
+[valid] Ep. 1 : Up. 60 : valid-script : 111.5 : stalled 1 times (last best: 111.6)
+Decaying learning rate to 8.1e-05 after having stalled 1 time(s)
+[valid] Ep. 1 : Up. 70 : ce-mean-words : 2.64345 : stalled 4 times (last best: 2.56738)
+[valid] Ep. 1 : Up. 70 : valid-script : 111.4 : stalled 2 times (last best: 111.6)
+Decaying learning rate to 7.29e-05 after having stalled 2 time(s)
+[valid] Ep. 1 : Up. 80 : ce-mean-words : 2.67197 : stalled 5 times (last best: 2.56738)
+[valid] Ep. 1 : Up. 80 : valid-script : 111.3 : stalled 3 times (last best: 111.6)
+Decaying learning rate to 6.561e-05 after having stalled 3 time(s)
+[valid] Ep. 1 : Up. 90 : ce-mean-words : 2.73563 : stalled 6 times (last best: 2.56738)
+[valid] Ep. 1 : Up. 90 : valid-script : 111.2 : stalled 4 times (last best: 111.6)
+Decaying learning rate to 5.9049e-05 after having stalled 4 time(s)
diff --git a/tests/training/features/lr-decay/lrdecay_stalled_any.expected b/tests/training/features/lr-decay/lrdecay_stalled_any.expected
new file mode 100644
index 0000000..9b21998
--- /dev/null
+++ b/tests/training/features/lr-decay/lrdecay_stalled_any.expected
@@ -0,0 +1,22 @@
+[valid] Ep. 1 : Up. 10 : valid-script : 111.4 : new best
+[valid] Ep. 1 : Up. 10 : ce-mean-words : 2.61662 : new best
+[valid] Ep. 1 : Up. 20 : valid-script : 111.3 : stalled 1 times (last best: 111.4)
+[valid] Ep. 1 : Up. 20 : ce-mean-words : 2.58011 : new best
+Decaying learning rate to 9e-05 after having stalled 1 time(s)
+[valid] Ep. 1 : Up. 30 : valid-script : 111.2 : stalled 2 times (last best: 111.4)
+[valid] Ep. 1 : Up. 30 : ce-mean-words : 2.56794 : new best
+Decaying learning rate to 8.1e-05 after having stalled 2 time(s)
+[valid] Ep. 1 : Up. 40 : valid-script : 111.1 : stalled 3 times (last best: 111.4)
+[valid] Ep. 1 : Up. 40 : ce-mean-words : 2.5826 : stalled 1 times (last best: 2.56794)
+Decaying learning rate to 7.29e-05 after having stalled 3 time(s)
+[valid] Ep. 1 : Up. 50 : valid-script : 111.6 : new best
+[valid] Ep. 1 : Up. 50 : ce-mean-words : 2.57143 : stalled 2 times (last best: 2.56794)
+[valid] Ep. 1 : Up. 60 : valid-script : 111.5 : stalled 1 times (last best: 111.6)
+[valid] Ep. 1 : Up. 60 : ce-mean-words : 2.57244 : stalled 3 times (last best: 2.56794)
+Decaying learning rate to 6.561e-05 after having stalled 3 time(s)
+[valid] Ep. 1 : Up. 70 : valid-script : 111.4 : stalled 2 times (last best: 111.6)
+[valid] Ep. 1 : Up. 70 : ce-mean-words : 2.60265 : stalled 4 times (last best: 2.56794)
+Decaying learning rate to 5.9049e-05 after having stalled 4 time(s)
+[valid] Ep. 1 : Up. 80 : valid-script : 111.3 : stalled 3 times (last best: 111.6)
+[valid] Ep. 1 : Up. 80 : ce-mean-words : 2.63735 : stalled 5 times (last best: 2.56794)
+Decaying learning rate to 5.31441e-05 after having stalled 5 time(s)
diff --git a/tests/training/features/lr-decay/setup.sh b/tests/training/features/lr-decay/setup.sh
new file mode 100644
index 0000000..1dc82af
--- /dev/null
+++ b/tests/training/features/lr-decay/setup.sh
@@ -0,0 +1,6 @@
+test -f $MRT_DATA/europarl.de-en/corpus.bpe.en || exit 1
+test -f $MRT_DATA/europarl.de-en/corpus.bpe.de || exit 1
+
+test -f $MRT_MODELS/wngt19/model.small.npz || exit 1
+test -f $MRT_MODELS/wngt19/newstest2014.en || exit 1
+test -f $MRT_MODELS/wngt19/newstest2014.de || exit 1
diff --git a/tests/training/features/lr-decay/test_lr_decay_stalled.sh b/tests/training/features/lr-decay/test_lr_decay_stalled.sh
new file mode 100644
index 0000000..6f9abd7
--- /dev/null
+++ b/tests/training/features/lr-decay/test_lr_decay_stalled.sh
@@ -0,0 +1,43 @@
+#!/bin/bash -x
+
+#####################################################################
+# SUMMARY: Test learning rate decaying after stalled validation
+# AUTHOR: snukky
+# TAGS: valid valid-script lr-decay
+#####################################################################
+
+# Exit on error
+set -e
+
+# Test code goes here
+rm -rf lrdecay_stalled lrdecay_stalled.log valid_script.temp
+mkdir -p lrdecay_stalled
+
+# Start training with a fully trained model so that validation metrics do not improve easily
+cp $MRT_MODELS/wngt19/model.small.npz lrdecay_stalled/model.npz
+
+test -s devset.en || head -n 50 $MRT_MODELS/wngt19/newstest2014.en | sed -r 's/@@ //g' > devset.en
+test -s devset.de || head -n 50 $MRT_MODELS/wngt19/newstest2014.de | sed -r 's/@@ //g' > devset.de
+
+# Training sides are intentionaly reversed to test early stopping
+$MRT_MARIAN/marian \
+    --seed 2222 --no-shuffle --clip-norm 1 --maxi-batch 1 --mini-batch 32 -w 2500 \
+    -m lrdecay_stalled/model.npz -t $MRT_DATA/europarl.de-en/corpus.small.{de,en}.gz \
+    -v $MRT_MODELS/wngt19/en-de.{spm,spm} \
+    --disp-freq 5 --valid-freq 10 --after-batches 200 \
+    --valid-metrics valid-script ce-mean-words \
+    --valid-script-path ./valid_script.sh \
+    --valid-sets devset.{en,de} \
+    --log lrdecay_stalled.log \
+    --lr-decay 0.9 --lr-decay-start 1 --lr-decay-strategy stalled \
+    --early-stopping 4
+
+test -e lrdecay_stalled/model.npz
+test -e lrdecay_stalled/model.npz.yml
+test -e lrdecay_stalled.log
+
+$MRT_TOOLS/strip-timestamps.sh < lrdecay_stalled.log | grep -P '(\[valid\]|Decaying)' > lrdecay_stalled.out
+$MRT_TOOLS/diff-nums.py lrdecay_stalled.out lrdecay_stalled.expected -p 0.2 -o lrdecay_stalled.diff
+
+# Exit with success code
+exit 0
diff --git a/tests/training/features/lr-decay/test_lr_decay_stalled_all.sh b/tests/training/features/lr-decay/test_lr_decay_stalled_all.sh
new file mode 100644
index 0000000..280ba9f
--- /dev/null
+++ b/tests/training/features/lr-decay/test_lr_decay_stalled_all.sh
@@ -0,0 +1,43 @@
+#!/bin/bash -x
+
+#####################################################################
+# SUMMARY: Test learning rate decaying after stalled validation
+# AUTHOR: snukky
+# TAGS: valid valid-script lr-decay
+#####################################################################
+
+# Exit on error
+set -e
+
+# Test code goes here
+rm -rf lrdecay_stalled_all lrdecay_stalled_all.log valid_script.temp
+mkdir -p lrdecay_stalled_all
+
+# Start training with a fully trained model so that validation metrics do not improve easily
+cp $MRT_MODELS/wngt19/model.small.npz lrdecay_stalled_all/model.npz
+
+test -s devset.en || head -n 50 $MRT_MODELS/wngt19/newstest2014.en | sed -r 's/@@ //g' > devset.en
+test -s devset.de || head -n 50 $MRT_MODELS/wngt19/newstest2014.de | sed -r 's/@@ //g' > devset.de
+
+# Training sides are intentionaly reversed to test early stopping
+$MRT_MARIAN/marian \
+    --seed 2222 --no-shuffle --clip-norm 1 --maxi-batch 1 --mini-batch 32 -w 2500 \
+    -m lrdecay_stalled_all/model.npz -t $MRT_DATA/europarl.de-en/corpus.small.{de,en}.gz \
+    -v $MRT_MODELS/wngt19/en-de.{spm,spm} \
+    --disp-freq 5 --valid-freq 10 --after-batches 200 \
+    --valid-metrics ce-mean-words valid-script \
+    --valid-script-path ./valid_script.sh \
+    --valid-sets devset.{en,de} \
+    --log lrdecay_stalled_all.log \
+    --lr-decay 0.9 --lr-decay-start 1 --lr-decay-strategy stalled \
+    --early-stopping 4 --early-stopping-on all
+
+test -e lrdecay_stalled_all/model.npz
+test -e lrdecay_stalled_all/model.npz.yml
+test -e lrdecay_stalled_all.log
+
+$MRT_TOOLS/strip-timestamps.sh < lrdecay_stalled_all.log | grep -P '(\[valid\]|Decaying)' > lrdecay_stalled_all.out
+$MRT_TOOLS/diff-nums.py lrdecay_stalled_all.out lrdecay_stalled_all.expected -p 0.2 -o lrdecay_stalled_all.diff
+
+# Exit with success code
+exit 0
diff --git a/tests/training/features/lr-decay/test_lr_decay_stalled_any.sh b/tests/training/features/lr-decay/test_lr_decay_stalled_any.sh
new file mode 100644
index 0000000..55c8f81
--- /dev/null
+++ b/tests/training/features/lr-decay/test_lr_decay_stalled_any.sh
@@ -0,0 +1,43 @@
+#!/bin/bash -x
+
+#####################################################################
+# SUMMARY: Test learning rate decaying after stalled validation
+# AUTHOR: snukky
+# TAGS: valid valid-script lr-decay
+#####################################################################
+
+# Exit on error
+set -e
+
+# Test code goes here
+rm -rf lrdecay_stalled_any lrdecay_stalled_any.log valid_script.temp
+mkdir -p lrdecay_stalled_any
+
+# Start training with a fully trained model so that validation metrics do not improve easily
+cp $MRT_MODELS/wngt19/model.small.npz lrdecay_stalled_any/model.npz
+
+test -s devset.en || head -n 50 $MRT_MODELS/wngt19/newstest2014.en | sed -r 's/@@ //g' > devset.en
+test -s devset.de || head -n 50 $MRT_MODELS/wngt19/newstest2014.de | sed -r 's/@@ //g' > devset.de
+
+# Training sides are intentionaly reversed to test early stopping
+$MRT_MARIAN/marian \
+    --seed 2222 --no-shuffle --clip-norm 1 --maxi-batch 1 --mini-batch 32 -w 2500 \
+    -m lrdecay_stalled_any/model.npz -t $MRT_DATA/europarl.de-en/corpus.small.{de,en}.gz \
+    -v $MRT_MODELS/wngt19/en-de.{spm,spm} \
+    --disp-freq 5 --valid-freq 10 --after-batches 200 \
+    --valid-metrics valid-script ce-mean-words \
+    --valid-script-path ./valid_script.sh \
+    --valid-sets devset.{en,de} \
+    --log lrdecay_stalled_any.log \
+    --lr-decay 0.9 --lr-decay-start 1 --lr-decay-strategy stalled \
+    --early-stopping 5 --early-stopping-on any
+
+test -e lrdecay_stalled_any/model.npz
+test -e lrdecay_stalled_any/model.npz.yml
+test -e lrdecay_stalled_any.log
+
+$MRT_TOOLS/strip-timestamps.sh < lrdecay_stalled_any.log | grep -P '(\[valid\]|Decaying)' > lrdecay_stalled_any.out
+$MRT_TOOLS/diff-nums.py lrdecay_stalled_any.out lrdecay_stalled_any.expected -p 0.2 -o lrdecay_stalled_any.diff
+
+# Exit with success code
+exit 0
diff --git a/tests/training/features/lr-decay/valid_script.sh b/tests/training/features/lr-decay/valid_script.sh
new file mode 100755
index 0000000..faf1369
--- /dev/null
+++ b/tests/training/features/lr-decay/valid_script.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+prefix=valid_script
+
+num=$(cat $prefix.temp 2>/dev/null || echo 1)
+((num=(num+1)%6))
+echo $num > $prefix.temp
+((num=6-num))
+echo 111.$num