kfr

commit e6f72cf3842e2a279cdef0373c15a4fff24ea819
parent 8ee03f42119a1adb2225db84b4700aed78fa86d0
Author: [email protected] <[email protected]>
Date:   Tue,  6 Sep 2016 16:50:48 +0300

Add block_process function

Diffstat:
M
include/kfr/base/types.hpp
 | 
15
+++++++++++++++

1 file changed, 15 insertions(+), 0 deletions(-)
diff --git a/include/kfr/base/types.hpp b/include/kfr/base/types.hpp
@@ -798,6 +798,21 @@ constexpr size_t vector_capacity = native_register_count* vector_width<T, c>;
 
 template <typename T, cpu_t c>
 constexpr size_t maximum_vector_size = const_min(static_cast<size_t>(32), vector_capacity<T, c> / 4);
+
+template <size_t width, typename Fn>
+CMT_INLINE void block_process_impl(size_t& i, size_t size, Fn&& fn)
+{
+    CMT_LOOP_NOUNROLL
+    for (; i < size / width * width; i += width)
+        fn(i, csize<width>);
+}
+}
+
+template <size_t... widths, typename Fn>
+CMT_INLINE void block_process(size_t size, csizes_t<widths...>, Fn&& fn)
+{
+    size_t i = 0;
+    swallow{ (internal::block_process_impl<widths>(i, size, std::forward<Fn>(fn)), 0)... };
 }
 }
 namespace cometa