ref: c1535c8ccfcb31008ce5528deeb2f206f95ce3c9
parent: 0b9f6bab8114131dc70a9474d552072682a1593a
author: Jean-Marc Valin <jmvalin@jmvalin.ca>
date: Thu Jun 24 13:31:05 EDT 2021
Adding option to disable int8 dot products
--- a/dnn/configure.ac
+++ b/dnn/configure.ac
@@ -73,6 +73,14 @@
AC_DEFINE([OP_ENABLE_ASSERTIONS], [1], [Enable assertions in code])
])
+AC_ARG_ENABLE([dot-product],
+ AS_HELP_STRING([--disable-dot-product], [Disable dot product implementation]),,
+ enable_dot_product=yes)
+
+AS_IF([test "$enable_dot_product" = "no"], [
+ AC_DEFINE([DISABLE_DOT_PROD], [1], [Disable dot product instructions])
+])
+
AS_CASE(["$ac_cv_search_lrintf"],
["no"],[],
["none required"],[],
@@ -114,8 +122,8 @@
------------------------------------------------------------------------
$PACKAGE_NAME $PACKAGE_VERSION: Automatic configuration OK.
+ Dot product intrinsics ....... ${enable_dot_product} Assertions ................... ${enable_assertions}-
Hidden visibility ............ ${cc_cv_flag_visibility} API documentation ............ ${enable_doc}--- a/dnn/vec.h
+++ b/dnn/vec.h
@@ -45,8 +45,10 @@
#define NO_OPTIMIZATIONS
+#ifndef DISABLE_DOT_PROD
#define DOT_PROD
//#define USE_SU_BIAS
+#endif
#ifdef DOT_PROD
typedef signed char qweight;
--- a/dnn/vec_avx.h
+++ b/dnn/vec_avx.h
@@ -34,8 +34,10 @@
#include <immintrin.h>
+#ifndef DISABLE_DOT_PROD
#define DOT_PROD
#define USE_SU_BIAS
+#endif
#ifdef __AVX2__
static inline __m256 exp8_approx(__m256 X)
--- a/dnn/vec_neon.h
+++ b/dnn/vec_neon.h
@@ -30,7 +30,9 @@
#include <arm_neon.h>
+#ifndef DISABLE_DOT_PROD
#define DOT_PROD
+#endif
typedef signed char qweight;
--
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