diff --git a/meta/recipes-devtools/python/python3/04-default-is-optimized.patch b/meta/recipes-devtools/python/python3/04-default-is-optimized.patch
new file mode 100644
index 0000000..3b8f264
--- /dev/null
+++ b/meta/recipes-devtools/python/python3/04-default-is-optimized.patch
@@ -0,0 +1,59 @@
+Upstream-Status: Inappropriate [embedded specific]
+
+# when compiling for an embedded system, we need every bit of
+# performance we can get. default to optimized with the option
+# of opt-out.
+# Signed-Off: Michael 'Mickey' Lauer <mickey@vanille-media.de>
+
+
+2012/05/01
+Signed-Off-By: Nitin A Kamble <nitin.a.kamble@intel.com>
+
+Rebased for 3.4.2 02/2015
+Signed-off-by: Alejandro Hernandez <alejandro.hernandez@linux.intel.com>
+
+Index: Python-3.4.2/Python/compile.c
+===================================================================
+--- Python-3.4.2.orig/Python/compile.c
++++ Python-3.4.2/Python/compile.c
+@@ -30,7 +30,7 @@
+ #include "symtable.h"
+ #include "opcode.h"
+ 
+-int Py_OptimizeFlag = 0;
++int Py_OptimizeFlag = 1;
+ 
+ #define DEFAULT_BLOCK_SIZE 16
+ #define DEFAULT_BLOCKS 8
+Index: Python-3.4.2/Modules/main.c
+===================================================================
+--- Python-3.4.2.orig/Modules/main.c
++++ Python-3.4.2/Modules/main.c
+@@ -38,7 +38,7 @@ static wchar_t **orig_argv;
+ static int  orig_argc;
+ 
+ /* command line options */
+-#define BASE_OPTS L"bBc:dEhiIJm:OqRsStuvVW:xX:?"
++#define BASE_OPTS L"bBc:dEhiIJm:NOqRsStuvVW:xX:?"
+ 
+ #define PROGRAM_OPTS BASE_OPTS
+ 
+@@ -64,6 +64,7 @@ static char *usage_2 = "\
+ -m mod : run library module as a script (terminates option list)\n\
+ -O     : optimize generated bytecode slightly; also PYTHONOPTIMIZE=x\n\
+ -OO    : remove doc-strings in addition to the -O optimizations\n\
++-N     : do NOT optimize generated bytecode\n\
+ -q     : don't print version and copyright messages on interactive startup\n\
+ -s     : don't add user site directory to sys.path; also PYTHONNOUSERSITE\n\
+ -S     : don't imply 'import site' on initialization\n\
+@@ -418,8 +419,8 @@ Py_Main(int argc, wchar_t **argv)
+ 
+         /* case 'J': reserved for Jython */
+ 
+-        case 'O':
+-            Py_OptimizeFlag++;
++        case 'N':
++            Py_OptimizeFlag=0;
+             break;
+ 
+         case 'B':