From 7fb3f2295534a3cc0ce45779fc8f070e506e554d Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Thu, 20 Jan 2022 10:07:16 +0530
Subject: [PATCH 1/3] deepfreeze use preallocated small ints

---
 Tools/scripts/deepfreeze.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Tools/scripts/deepfreeze.py b/Tools/scripts/deepfreeze.py
index 002d680e10c2f6..8f5c454cbea552 100644
--- a/Tools/scripts/deepfreeze.py
+++ b/Tools/scripts/deepfreeze.py
@@ -113,6 +113,7 @@ def __init__(self, file: TextIO):
         self.write('#include "Python.h"')
         self.write('#include "internal/pycore_gc.h"')
         self.write('#include "internal/pycore_code.h"')
+        self.write('#include "internal/pycore_long.h"')
         self.write("")
 
     @contextlib.contextmanager
@@ -313,6 +314,8 @@ def _generate_int_for_bits(self, name: str, i: int, digit: int) -> None:
                 self.write(f".ob_digit = {{ {ds} }},")
 
     def generate_int(self, name: str, i: int) -> str:
+        if -5 <= i <= 256:
+            return f"(PyObject *)&_PyLong_SMALL_INTS[_PY_NSMALLNEGINTS + {i}]"
         if abs(i) < 2**15:
             self._generate_int_for_bits(name, i, 2**15)
         else:

From 462b8990b39905c1b2ca7eaef5241880624bb6dc Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Thu, 20 Jan 2022 05:27:09 +0000
Subject: [PATCH 2/3] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 Misc/NEWS.d/next/Build/2022-01-20-05-27-07.bpo-46443.udCVII.rst | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Build/2022-01-20-05-27-07.bpo-46443.udCVII.rst

diff --git a/Misc/NEWS.d/next/Build/2022-01-20-05-27-07.bpo-46443.udCVII.rst b/Misc/NEWS.d/next/Build/2022-01-20-05-27-07.bpo-46443.udCVII.rst
new file mode 100644
index 00000000000000..8e3fa197be9da4
--- /dev/null
+++ b/Misc/NEWS.d/next/Build/2022-01-20-05-27-07.bpo-46443.udCVII.rst
@@ -0,0 +1 @@
+Deepfreeze now uses cached small integers as it saves some space for common small integers.
\ No newline at end of file

From 1dfecc0c17fa967c51f499a89f4fcbbd4c91b033 Mon Sep 17 00:00:00 2001
From: Kumar Aditya <59607654+kumaraditya303@users.noreply.github.com>
Date: Thu, 20 Jan 2022 11:13:15 +0530
Subject: [PATCH 3/3] use cached empty bytes object

---
 Tools/scripts/deepfreeze.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Tools/scripts/deepfreeze.py b/Tools/scripts/deepfreeze.py
index 8f5c454cbea552..49638b8400285c 100644
--- a/Tools/scripts/deepfreeze.py
+++ b/Tools/scripts/deepfreeze.py
@@ -149,6 +149,8 @@ def field(self, obj: object, name: str) -> None:
         self.write(f".{name} = {getattr(obj, name)},")
 
     def generate_bytes(self, name: str, b: bytes) -> str:
+        if b == b"":
+            return "(PyObject *)&_Py_SINGLETON(bytes_empty)"
         self.write("static")
         with self.indent():
             with self.block("struct"):