From 9049f03032599ef86b91679572a5e532bd5f428a Mon Sep 17 00:00:00 2001
From: Simon Lindholm <simon.lindholm10@gmail.com>
Date: Sat, 24 Apr 2021 20:49:12 +0200
Subject: [PATCH] Use pre-compiled headers to speed up tests

---
 .gitignore                   | 1 +
 doc/scripts/compile-all.sh   | 8 +++++---
 doc/scripts/run-all.sh       | 7 ++++++-
 doc/scripts/test-compiles.sh | 2 +-
 4 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/.gitignore b/.gitignore
index 3a00b29..3badffc 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 /build/
 *.aux
 *.log
+*.gch
 a.out
 header.tmp
 .vscode
diff --git a/doc/scripts/compile-all.sh b/doc/scripts/compile-all.sh
index 50cee78..aaa815f 100755
--- a/doc/scripts/compile-all.sh
+++ b/doc/scripts/compile-all.sh
@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 DIR=${1:-.}
+
+# use a precompiled header for the template to improve perf
+g++ -Wall -Wextra -Wfatal-errors -Wconversion -std=c++14 -x c++-header $DIR/content/contest/template.cpp
+trap "rm -f $DIR/content/contest/template.cpp.gch" EXIT
+
 SCRIPT_DIR=$DIR/doc/scripts
 tests="$(find $DIR/content -name '*.h' | grep -vFf $SCRIPT_DIR/skip_headers)"
 echo "skipped: "
@@ -7,7 +12,6 @@ find $DIR/content -name '*.h' | grep -Ff $SCRIPT_DIR/skip_headers
 declare -i pass=0
 declare -i fail=0
 failHeaders=""
-ulimit -s 524288 # For 2-sat test
 for test in $tests; do
     echo "$(basename $test): "
     $SCRIPT_DIR/test-compiles.sh $test
@@ -19,11 +23,9 @@ for test in $tests; do
     else
         pass+=1
     fi
-    rm -f a.out
     echo
 done
 echo "$pass/$(($pass+$fail)) tests passed"
-
 if (($pass == 0)); then
     echo "No tests found (make sure skip_headers doesn't have whitespace lines)"
     exit 1
diff --git a/doc/scripts/run-all.sh b/doc/scripts/run-all.sh
index 6a1611f..0511e51 100755
--- a/doc/scripts/run-all.sh
+++ b/doc/scripts/run-all.sh
@@ -1,5 +1,10 @@
 #!/usr/bin/env bash
 DIR=${1:-.}
+
+# use a precompiled header for the template to improve perf
+g++ -Wall -Wfatal-errors -Wconversion -std=c++17 -O2 $DIR/stress-tests/utilities/template.h
+trap "rm -f $DIR/stress-tests/utilities/template.h.gch" EXIT
+
 tests="$(find $DIR/stress-tests -name '*.cpp')"
 declare -i pass=0
 declare -i fail=0
@@ -8,7 +13,7 @@ ulimit -s 524288 # For 2-sat test
 for test in $tests; do
     echo "$(basename $test): "
     start=`date +%s.%N`
-    g++ -std=c++17 -O2 $test && ./a.out
+    g++ -Wall -Wfatal-errors -Wconversion -std=c++17 -O2 $test && ./a.out
     retCode=$?
     if (($retCode != 0)); then
         echo "Failed with $retCode"
diff --git a/doc/scripts/test-compiles.sh b/doc/scripts/test-compiles.sh
index cd6014d..40dc4b8 100755
--- a/doc/scripts/test-compiles.sh
+++ b/doc/scripts/test-compiles.sh
@@ -4,4 +4,4 @@ echo "
 #include \"../content/contest/template.cpp\"
 #include \"../$FILE\"
 " >build/temp.cpp
-g++ -Wall -Wextra -Wfatal-errors -Wconversion -std=c++14 build/temp.cpp && rm a.out build/temp.cpp
\ No newline at end of file
+g++ -Wall -Wextra -Wfatal-errors -Wconversion -std=c++14 build/temp.cpp && rm a.out build/temp.cpp