From 867019073c90890776f49c1962409aac9be60898 Mon Sep 17 00:00:00 2001
From: Pieter Eendebak <pieter.eendebak@gmail.com>
Date: Mon, 1 Apr 2024 22:06:07 +0200
Subject: [PATCH 1/3] Improve performance of startswith, endswith for strings
 and bytes

---
 Objects/stringlib/find.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/Objects/stringlib/find.h b/Objects/stringlib/find.h
index 509b9297396be8..213b8268013462 100644
--- a/Objects/stringlib/find.h
+++ b/Objects/stringlib/find.h
@@ -91,6 +91,15 @@ STRINGLIB(parse_args_finds)(const char * function_name, PyObject *args,
     Py_ssize_t tmp_start = 0;
     Py_ssize_t tmp_end = PY_SSIZE_T_MAX;
     PyObject *obj_start=Py_None, *obj_end=Py_None;
+
+    if (PyTuple_GET_SIZE(args) == 1) {
+        // fast path
+        *start = tmp_start;
+        *end = tmp_end;
+        *subobj = Py_NewRef(PyTuple_GET_ITEM(args, 0));
+        return 1;
+    }
+
     char format[FORMAT_BUFFER_SIZE] = "O|OO:";
     size_t len = strlen(format);
 

From dba79adbefbb004937923ce4af4cea5c06a03f8c Mon Sep 17 00:00:00 2001
From: Pieter Eendebak <pieter.eendebak@gmail.com>
Date: Mon, 1 Apr 2024 22:47:14 +0200
Subject: [PATCH 2/3] fix refleak

---
 Objects/stringlib/find.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Objects/stringlib/find.h b/Objects/stringlib/find.h
index 213b8268013462..60d13ab54415eb 100644
--- a/Objects/stringlib/find.h
+++ b/Objects/stringlib/find.h
@@ -96,7 +96,7 @@ STRINGLIB(parse_args_finds)(const char * function_name, PyObject *args,
         // fast path
         *start = tmp_start;
         *end = tmp_end;
-        *subobj = Py_NewRef(PyTuple_GET_ITEM(args, 0));
+        *subobj = PyTuple_GET_ITEM(args, 0);
         return 1;
     }
 

From f252769f0bc1e8b7a4d4f7a6b5ec24a575b93c4a Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Mon, 1 Apr 2024 21:15:38 +0000
Subject: [PATCH 3/3] =?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

---
 .../2024-04-01-21-15-35.gh-issue-117431.UBT4zj.rst               | 1 +
 1 file changed, 1 insertion(+)
 create mode 100644 Misc/NEWS.d/next/Core and Builtins/2024-04-01-21-15-35.gh-issue-117431.UBT4zj.rst

diff --git a/Misc/NEWS.d/next/Core and Builtins/2024-04-01-21-15-35.gh-issue-117431.UBT4zj.rst b/Misc/NEWS.d/next/Core and Builtins/2024-04-01-21-15-35.gh-issue-117431.UBT4zj.rst
new file mode 100644
index 00000000000000..3c862000164f6a
--- /dev/null
+++ b/Misc/NEWS.d/next/Core and Builtins/2024-04-01-21-15-35.gh-issue-117431.UBT4zj.rst	
@@ -0,0 +1 @@
+Improve performance of startswith, endswith, count and find methods for strings and bytes.