[gc_heap] Try NO_GC_HACK to speed up parse-errors under oil-native

Let's see if we get 1114 passing spec-cpp tests.
oilshell · Nov 29, 2021 · 5e5390c · 5e5390c
1 parent 2f7736b
commit 5e5390c
Show file tree

Hide file tree

Showing 2 changed files with 8 additions and 0 deletions.
diff --git a/build/mycpp.sh b/build/mycpp.sh
@@ -180,6 +180,9 @@ compile() {
       ;;
   esac
 
+  # Avoid memset().  TODO: avoid this hack!
+  flags="$flags -D NO_GC_HACK"
+
   # flags are split
   $CXX $flags \
     -I . \

diff --git a/mycpp/gc_heap.cc b/mycpp/gc_heap.cc
@@ -38,7 +38,12 @@ void Space::Init(int space_size) {
   begin_ = static_cast<char*>(malloc(space_size));
 #endif
   size_ = space_size;
+
+#ifndef NO_GC_HACK
+  // When not collecting, we need a huge 400 MiB heap.  Try to save startup
+  // time by not doing this.
   Clear();
+#endif
 }
 
 void Space::Free() {