perf(GridFire)

More preformance improvmnets

1. Switch to mimalloc which gave a roughly 10% improvment accross the
board
2. Use much faster compososition caching
3. Reusing work vector

build-config/meson.build

@@ -15,3 +15,7 @@ subdir('json')
 
 
 subdir('CLI11')
+
+if get_option('use_mimalloc')
+  subdir('mimalloc')
+endif

build-config/mimalloc/meson.build

@@ -0,0 +1,2 @@
+mimalloc_proj = subproject('mimalloc')
+mimalloc_dep = mimalloc_proj.get_variable('mi_dep')