Add new feature (perf-inline)

sailfish/Cargo.toml

@@ -12,6 +12,10 @@ license = "MIT"
 workspace = ".."
 edition = "2018"
 
+[features]
+default = ["perf-inline"]
+perf-inline = []
+
 [dependencies]
 ryu = "1.0.4"
 

sailfish/src/runtime/buffer.rs

@@ -38,7 +38,7 @@ impl Buffer {
         }
     }
 
-    #[inline]
+    #[cfg_attr(feature = "perf-inline", inline)]
     pub fn with_capacity(n: usize) -> Buffer {
         unsafe {
             if n == 0 {
@@ -133,7 +133,7 @@ impl Buffer {
         self.push_str(data.encode_utf8(&mut buf));
     }
 
-    #[inline]
+    #[cfg_attr(feature = "perf-inline", inline)]
     fn reserve_internal(&mut self, size: usize) {
         unsafe {
             let new_capacity = std::cmp::max(self.capacity * 2, self.len + size);
@@ -142,7 +142,7 @@ impl Buffer {
         }
     }
 
-    #[inline]
+    #[cfg_attr(feature = "perf-inline", inline)]
     unsafe fn realloc(&self, cap: usize) -> *mut u8 {
         let data = if unlikely!(self.capacity == 0) {
             let new_layout = Layout::from_size_align_unchecked(cap, 1);

sailfish/src/runtime/escape/sse2.rs

@@ -72,7 +72,7 @@ pub unsafe fn escape(feed: &str, buffer: &mut Buffer) {
 }
 
 #[target_feature(enable = "sse2")]
-#[inline]
+#[cfg_attr(feature = "perf-inline", inline)]
 pub unsafe fn escape_aligned(
     buffer: &mut Buffer,
     mut start_ptr: *const u8,