diff --git a/infra/README.recipes.md b/infra/README.recipes.md
index 0196775..c92400b 100644
--- a/infra/README.recipes.md
+++ b/infra/README.recipes.md
@@ -101,7 +101,7 @@
 
 Recipe for building GN.
 
-&mdash; **def [RunSteps](/infra/recipes/gn.py#103)(api, repository):**
+&mdash; **def [RunSteps](/infra/recipes/gn.py#95)(api, repository):**
 ### *recipes* / [macos\_sdk:examples/full](/infra/recipe_modules/macos_sdk/examples/full.py)
 
 [DEPS](/infra/recipe_modules/macos_sdk/examples/full.py#5): [macos\_sdk](#recipe_modules-macos_sdk), [recipe\_engine/platform][recipe_engine/recipe_modules/platform], [recipe\_engine/properties][recipe_engine/recipe_modules/properties], [recipe\_engine/step][recipe_engine/recipe_modules/step]
diff --git a/infra/recipes/gn.expected/ci_linux.json b/infra/recipes/gn.expected/ci_linux.json
index 27e7b3f..8d83c61 100644
--- a/infra/recipes/gn.expected/ci_linux.json
+++ b/infra/recipes/gn.expected/ci_linux.json
@@ -157,13 +157,13 @@
   },
   {
     "cmd": [],
-    "name": "rpmalloc"
+    "name": "jemalloc"
   },
   {
     "cmd": [
       "git",
       "init",
-      "[START_DIR]/rpmalloc"
+      "[START_DIR]/jemalloc"
     ],
     "luci_context": {
       "realm": {
@@ -177,7 +177,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.init",
+    "name": "jemalloc.init",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -186,11 +186,11 @@
     "cmd": [
       "git",
       "fetch",
-      "--tags",
-      "https://fuchsia.googlesource.com/third_party/github.com/mjansson/rpmalloc",
-      "+upstream/develop"
+      "https://fuchsia.googlesource.com/third_party/github.com/jemalloc/jemalloc.git",
+      "refs/tags/5.3.0",
+      "--depth=1"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -204,7 +204,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.fetch",
+    "name": "jemalloc.fetch",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -213,9 +213,9 @@
     "cmd": [
       "git",
       "checkout",
-      "668a7f81b588a985c6528b70674dbcc005d9cb75"
+      "FETCH_HEAD"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -229,22 +229,16 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.checkout",
+    "name": "jemalloc.checkout",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py",
-      "/path/to/tmp/"
+      "autoconf"
     ],
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -258,25 +252,17 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.read [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.autoconf",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py"
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-amd64"
     ],
-    "infra_step": true,
     "luci_context": {
       "realm": {
         "name": "gn:ci"
@@ -289,37 +275,35 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.write [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.prepare linux-amd64 build",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-amd64",
+    "name": "jemalloc.build jemalloc-linux-amd64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "x86-64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=x86_64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -334,22 +318,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.configure",
+    "name": "jemalloc.build jemalloc-linux-amd64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/x86-64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -364,35 +350,58 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.ninja",
+    "name": "jemalloc.build jemalloc-linux-amd64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
+    "cmd": [
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-arm64"
+    ],
+    "luci_context": {
+      "realm": {
+        "name": "gn:ci"
+      },
+      "resultdb": {
+        "current_invocation": {
+          "name": "invocations/build:8945511751514863184",
+          "update_token": "token"
+        },
+        "hostname": "rdbhost"
+      }
+    },
+    "name": "jemalloc.prepare linux-arm64 build",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@"
+    ]
+  },
+  {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-arm64",
+    "name": "jemalloc.build jemalloc-linux-arm64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "arm64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=aarch64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -407,22 +416,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.configure",
+    "name": "jemalloc.build jemalloc-linux-arm64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/arm64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -437,7 +448,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.ninja",
+    "name": "jemalloc.build jemalloc-linux-arm64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
@@ -563,7 +574,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/x86-64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-amd64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
@@ -716,7 +727,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/arm64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-arm64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
diff --git a/infra/recipes/gn.expected/cipd_exists.json b/infra/recipes/gn.expected/cipd_exists.json
index 64c1fb5..ba2b9f2 100644
--- a/infra/recipes/gn.expected/cipd_exists.json
+++ b/infra/recipes/gn.expected/cipd_exists.json
@@ -157,13 +157,13 @@
   },
   {
     "cmd": [],
-    "name": "rpmalloc"
+    "name": "jemalloc"
   },
   {
     "cmd": [
       "git",
       "init",
-      "[START_DIR]/rpmalloc"
+      "[START_DIR]/jemalloc"
     ],
     "luci_context": {
       "realm": {
@@ -177,7 +177,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.init",
+    "name": "jemalloc.init",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -186,11 +186,11 @@
     "cmd": [
       "git",
       "fetch",
-      "--tags",
-      "https://fuchsia.googlesource.com/third_party/github.com/mjansson/rpmalloc",
-      "+upstream/develop"
+      "https://fuchsia.googlesource.com/third_party/github.com/jemalloc/jemalloc.git",
+      "refs/tags/5.3.0",
+      "--depth=1"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -204,7 +204,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.fetch",
+    "name": "jemalloc.fetch",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -213,9 +213,9 @@
     "cmd": [
       "git",
       "checkout",
-      "668a7f81b588a985c6528b70674dbcc005d9cb75"
+      "FETCH_HEAD"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -229,22 +229,16 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.checkout",
+    "name": "jemalloc.checkout",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py",
-      "/path/to/tmp/"
+      "autoconf"
     ],
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -258,25 +252,17 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.read [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.autoconf",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py"
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-amd64"
     ],
-    "infra_step": true,
     "luci_context": {
       "realm": {
         "name": "infra-internal:ci"
@@ -289,37 +275,35 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.write [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.prepare linux-amd64 build",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-amd64",
+    "name": "jemalloc.build jemalloc-linux-amd64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "x86-64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=x86_64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -334,22 +318,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.configure",
+    "name": "jemalloc.build jemalloc-linux-amd64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/x86-64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -364,35 +350,58 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.ninja",
+    "name": "jemalloc.build jemalloc-linux-amd64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
+    "cmd": [
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-arm64"
+    ],
+    "luci_context": {
+      "realm": {
+        "name": "infra-internal:ci"
+      },
+      "resultdb": {
+        "current_invocation": {
+          "name": "invocations/build:8945511751514863184",
+          "update_token": "token"
+        },
+        "hostname": "rdbhost"
+      }
+    },
+    "name": "jemalloc.prepare linux-arm64 build",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@"
+    ]
+  },
+  {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-arm64",
+    "name": "jemalloc.build jemalloc-linux-arm64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "arm64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=aarch64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -407,22 +416,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.configure",
+    "name": "jemalloc.build jemalloc-linux-arm64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/arm64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -437,7 +448,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.ninja",
+    "name": "jemalloc.build jemalloc-linux-arm64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
@@ -563,7 +574,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/x86-64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-amd64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
@@ -767,7 +778,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/arm64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-arm64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
diff --git a/infra/recipes/gn.expected/cipd_register.json b/infra/recipes/gn.expected/cipd_register.json
index 650b9da..f692406 100644
--- a/infra/recipes/gn.expected/cipd_register.json
+++ b/infra/recipes/gn.expected/cipd_register.json
@@ -157,13 +157,13 @@
   },
   {
     "cmd": [],
-    "name": "rpmalloc"
+    "name": "jemalloc"
   },
   {
     "cmd": [
       "git",
       "init",
-      "[START_DIR]/rpmalloc"
+      "[START_DIR]/jemalloc"
     ],
     "luci_context": {
       "realm": {
@@ -177,7 +177,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.init",
+    "name": "jemalloc.init",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -186,11 +186,11 @@
     "cmd": [
       "git",
       "fetch",
-      "--tags",
-      "https://fuchsia.googlesource.com/third_party/github.com/mjansson/rpmalloc",
-      "+upstream/develop"
+      "https://fuchsia.googlesource.com/third_party/github.com/jemalloc/jemalloc.git",
+      "refs/tags/5.3.0",
+      "--depth=1"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -204,7 +204,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.fetch",
+    "name": "jemalloc.fetch",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -213,9 +213,9 @@
     "cmd": [
       "git",
       "checkout",
-      "668a7f81b588a985c6528b70674dbcc005d9cb75"
+      "FETCH_HEAD"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -229,22 +229,16 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.checkout",
+    "name": "jemalloc.checkout",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py",
-      "/path/to/tmp/"
+      "autoconf"
     ],
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -258,25 +252,17 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.read [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.autoconf",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py"
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-amd64"
     ],
-    "infra_step": true,
     "luci_context": {
       "realm": {
         "name": "infra-internal:ci"
@@ -289,37 +275,35 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.write [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.prepare linux-amd64 build",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-amd64",
+    "name": "jemalloc.build jemalloc-linux-amd64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "x86-64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=x86_64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -334,22 +318,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.configure",
+    "name": "jemalloc.build jemalloc-linux-amd64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/x86-64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -364,35 +350,58 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.ninja",
+    "name": "jemalloc.build jemalloc-linux-amd64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
+    "cmd": [
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-arm64"
+    ],
+    "luci_context": {
+      "realm": {
+        "name": "infra-internal:ci"
+      },
+      "resultdb": {
+        "current_invocation": {
+          "name": "invocations/build:8945511751514863184",
+          "update_token": "token"
+        },
+        "hostname": "rdbhost"
+      }
+    },
+    "name": "jemalloc.prepare linux-arm64 build",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@"
+    ]
+  },
+  {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-arm64",
+    "name": "jemalloc.build jemalloc-linux-arm64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "arm64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=aarch64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -407,22 +416,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.configure",
+    "name": "jemalloc.build jemalloc-linux-arm64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/arm64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -437,7 +448,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.ninja",
+    "name": "jemalloc.build jemalloc-linux-arm64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
@@ -563,7 +574,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/x86-64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-amd64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
@@ -802,7 +813,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/arm64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-arm64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
diff --git a/infra/recipes/gn.expected/cq_linux.json b/infra/recipes/gn.expected/cq_linux.json
index 1259594..9f674da 100644
--- a/infra/recipes/gn.expected/cq_linux.json
+++ b/infra/recipes/gn.expected/cq_linux.json
@@ -208,13 +208,13 @@
   },
   {
     "cmd": [],
-    "name": "rpmalloc"
+    "name": "jemalloc"
   },
   {
     "cmd": [
       "git",
       "init",
-      "[START_DIR]/rpmalloc"
+      "[START_DIR]/jemalloc"
     ],
     "luci_context": {
       "realm": {
@@ -228,7 +228,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.init",
+    "name": "jemalloc.init",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -237,11 +237,11 @@
     "cmd": [
       "git",
       "fetch",
-      "--tags",
-      "https://fuchsia.googlesource.com/third_party/github.com/mjansson/rpmalloc",
-      "+upstream/develop"
+      "https://fuchsia.googlesource.com/third_party/github.com/jemalloc/jemalloc.git",
+      "refs/tags/5.3.0",
+      "--depth=1"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -255,7 +255,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.fetch",
+    "name": "jemalloc.fetch",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
@@ -264,9 +264,9 @@
     "cmd": [
       "git",
       "checkout",
-      "668a7f81b588a985c6528b70674dbcc005d9cb75"
+      "FETCH_HEAD"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -280,22 +280,16 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.checkout",
+    "name": "jemalloc.checkout",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py",
-      "/path/to/tmp/"
+      "autoconf"
     ],
+    "cwd": "[START_DIR]/jemalloc",
     "infra_step": true,
     "luci_context": {
       "realm": {
@@ -309,25 +303,17 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.read [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.autoconf",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "vpython3",
-      "-u",
-      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
-      "--json-output",
-      "/path/to/tmp/json",
-      "copy",
-      "CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']",
-      "[START_DIR]/rpmalloc/build/ninja/clang.py"
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-amd64"
     ],
-    "infra_step": true,
     "luci_context": {
       "realm": {
         "name": "gn:try"
@@ -340,37 +326,35 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.write [START_DIR]/rpmalloc/build/ninja/clang.py",
+    "name": "jemalloc.prepare linux-amd64 build",
     "~followup_annotations": [
-      "@@@STEP_NEST_LEVEL@1@@@",
-      "@@@STEP_LOG_LINE@clang.py@CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']@@@",
-      "@@@STEP_LOG_END@clang.py@@@"
+      "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-amd64",
+    "name": "jemalloc.build jemalloc-linux-amd64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "x86-64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=x86_64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -385,22 +369,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.configure",
+    "name": "jemalloc.build jemalloc-linux-amd64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/x86-64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-amd64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=x86_64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -415,35 +401,58 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-amd64.ninja",
+    "name": "jemalloc.build jemalloc-linux-amd64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
+    "cmd": [
+      "mkdir",
+      "-p",
+      "[START_DIR]/jemalloc/build-linux-arm64"
+    ],
+    "luci_context": {
+      "realm": {
+        "name": "gn:try"
+      },
+      "resultdb": {
+        "current_invocation": {
+          "name": "invocations/build:8945511751514863184",
+          "update_token": "token"
+        },
+        "hostname": "rdbhost"
+      }
+    },
+    "name": "jemalloc.prepare linux-arm64 build",
+    "~followup_annotations": [
+      "@@@STEP_NEST_LEVEL@1@@@"
+    ]
+  },
+  {
     "cmd": [],
-    "name": "rpmalloc.build rpmalloc-linux-arm64",
+    "name": "jemalloc.build jemalloc-linux-arm64",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@1@@@"
     ]
   },
   {
     "cmd": [
-      "python3",
-      "-u",
-      "[START_DIR]/rpmalloc/configure.py",
-      "-c",
-      "release",
-      "-a",
-      "arm64",
-      "--lto"
+      "../configure",
+      "--build=x86_64-linux-gnu",
+      "--host=aarch64-linux-gnu",
+      "--disable-shared",
+      "--enable-static",
+      "--disable-syscall",
+      "--disable-stats"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -458,22 +467,24 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.configure",
+    "name": "jemalloc.build jemalloc-linux-arm64.configure",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
   },
   {
     "cmd": [
-      "[START_DIR]/cipd/ninja",
-      "lib/linux/release/arm64/librpmallocwrap.a"
+      "make",
+      "-j8",
+      "build_lib_static"
     ],
-    "cwd": "[START_DIR]/rpmalloc",
+    "cwd": "[START_DIR]/jemalloc/build-linux-arm64",
     "env": {
       "AR": "[START_DIR]/cipd/bin/llvm-ar",
       "CC": "[START_DIR]/cipd/bin/clang",
-      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot",
+      "CFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "CXX": "[START_DIR]/cipd/bin/clang++",
+      "CXXFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -Wno-error",
       "LDFLAGS": "--target=aarch64-linux-gnu --sysroot=[START_DIR]/cipd/sysroot -static-libstdc++"
     },
     "luci_context": {
@@ -488,7 +499,7 @@
         "hostname": "rdbhost"
       }
     },
-    "name": "rpmalloc.build rpmalloc-linux-arm64.ninja",
+    "name": "jemalloc.build jemalloc-linux-arm64.build",
     "~followup_annotations": [
       "@@@STEP_NEST_LEVEL@2@@@"
     ]
@@ -614,7 +625,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/x86-64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-amd64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
@@ -894,7 +905,7 @@
       "[START_DIR]/gn/build/gen.py",
       "--use-lto",
       "--use-icf",
-      "--link-lib=[START_DIR]/rpmalloc/lib/linux/release/arm64/librpmallocwrap.a"
+      "--link-lib=[START_DIR]/jemalloc/build-linux-arm64/lib/libjemalloc.a"
     ],
     "cwd": "[START_DIR]/gn",
     "env": {
diff --git a/infra/recipes/gn.py b/infra/recipes/gn.py
index 7cb6229..87a9f47 100644
--- a/infra/recipes/gn.py
+++ b/infra/recipes/gn.py
@@ -26,17 +26,9 @@
     'repository': Property(kind=str, default='https://gn.googlesource.com/gn'),
 }
 
-# On select platforms, link the GN executable against rpmalloc for a small 10% speed boost.
-RPMALLOC_GIT_URL = 'https://fuchsia.googlesource.com/third_party/github.com/mjansson/rpmalloc'
-RPMALLOC_BRANCH = '+upstream/develop'
-RPMALLOC_REVISION = '668a7f81b588a985c6528b70674dbcc005d9cb75'
-
-# Used to convert os and arch strings to rpmalloc format
-RPMALLOC_MAP = {
-    'amd64': 'x86-64',
-    'mac': 'macos',
-}
-
+# On select platforms, link the GN executable against jemalloc for a drastic speed boost.
+JEMALLOC_GIT_URL = 'https://fuchsia.googlesource.com/third_party/github.com/jemalloc/jemalloc.git'
+JEMALLOC_TAG = '5.3.0'
 
 def _get_libcxx_include_path(api):
   # Run the preprocessor with an empty input and print all include paths.
@@ -103,7 +95,7 @@
 def RunSteps(api, repository):
   src_dir = api.path['start_dir'].join('gn')
 
-  # TODO: Verify that building and linking rpmalloc works on OS X and Windows as
+  # TODO: Verify that building and linking jemalloc works on OS X and Windows as
   # well.
   with api.step.nest('git'), api.context(infra_steps=True):
     api.step('init', ['git', 'init', src_dir])
@@ -160,83 +152,88 @@
           'args': ['--use-lto', '--use-icf'],
           'targets': release_targets(),
           # TODO: Enable this for OS X and Windows.
-          'use_rpmalloc': api.platform.is_linux,
+          'use_jemalloc': api.platform.is_linux,
       },
   ]
 
-  # True if any config uses rpmalloc.
-  use_rpmalloc = any(c.get('use_rpmalloc', False) for c in configs)
+  use_jemalloc = any(c.get('use_jemalloc', False) for c in configs)
 
   with api.macos_sdk(), api.windows_sdk():
-    # Build the rpmalloc static libraries if needed.
-    if use_rpmalloc:
+    # Build the jemalloc static library if needed.
+    if use_jemalloc:
       # Maps a target.platform string to the location of the corresponding
-      # rpmalloc static library.
-      rpmalloc_static_libs = {}
+      # jemalloc static library.
+      jemalloc_static_libs = {}
 
       # Get the list of all target platforms that are listed in `configs`
       # above. Note that this is a list of Target instances, some of them
       # may refer to the same platform string (e.g. linux-amd64).
       #
-      # For each platform, a version of rpmalloc will be built if necessary,
+      # For each platform, a version of jemalloc will be built if necessary,
       # but doing this properly requires having a valid target instance to
       # call _get_compilation_environment. So create a { platform -> Target }
       # map to do that later.
       all_config_platforms = {}
       for c in configs:
-        if not c.get('use_rpmalloc', False):
+        if not c.get('use_jemalloc', False):
           continue
         for t in c['targets']:
           if t.platform not in all_config_platforms:
             all_config_platforms[t.platform] = t
 
-      rpmalloc_src_dir = api.path['start_dir'].join('rpmalloc')
-      with api.step.nest('rpmalloc'):
-        api.step('init', ['git', 'init', rpmalloc_src_dir])
-        with api.context(cwd=rpmalloc_src_dir, infra_steps=True):
+      jemalloc_src_dir = api.path['start_dir'].join('jemalloc')
+      with api.step.nest('jemalloc'):
+        api.step('init', ['git', 'init', jemalloc_src_dir])
+        with api.context(cwd=jemalloc_src_dir, infra_steps=True):
           api.step(
               'fetch',
-              ['git', 'fetch', '--tags', RPMALLOC_GIT_URL, RPMALLOC_BRANCH])
-          api.step('checkout', ['git', 'checkout', RPMALLOC_REVISION])
-
-        # Patch configure.py since to add -Wno-unsafe-buffer-usage since Clang-16 will
-        # now complain about this when building rpmalloc (latest version only
-        # supports clang-15).
-        build_ninja_clang_path = api.path.join(rpmalloc_src_dir, 'build/ninja/clang.py')
-        build_ninja_clang_py = api.file.read_text('read %s' % build_ninja_clang_path,
-                                                 build_ninja_clang_path,
-                                                 "CXXFLAGS = ['-Wall', '-Weverything', '-Wfoo']")
-        build_ninja_clang_py = build_ninja_clang_py.replace(
-            "'-Wno-disabled-macro-expansion'",
-            "'-Wno-disabled-macro-expansion', '-Wno-unsafe-buffer-usage'")
-        api.file.write_text('write %s' % build_ninja_clang_path,
-                            build_ninja_clang_path,
-                            build_ninja_clang_py)
+              ['git', 'fetch', JEMALLOC_GIT_URL, 'refs/tags/' + JEMALLOC_TAG, '--depth=1'])
+          api.step('checkout', ['git', 'checkout', 'FETCH_HEAD'])
+          api.step('autoconf', ['autoconf'])
 
         for platform in all_config_platforms:
-          # Convert target architecture and os to rpmalloc format.
-          rpmalloc_os, rpmalloc_arch = platform.split('-')
-          rpmalloc_os = RPMALLOC_MAP.get(rpmalloc_os, rpmalloc_os)
-          rpmalloc_arch = RPMALLOC_MAP.get(rpmalloc_arch, rpmalloc_arch)
+          # Convert target architecture and os to jemalloc format.
+          jemalloc_build_dir = jemalloc_src_dir.join('build-' + platform)
 
-          env = _get_compilation_environment(api,
-                                             all_config_platforms[platform],
-                                             cipd_dir)
-          with api.step.nest('build rpmalloc-' + platform), api.context(
-              env=env, cwd=rpmalloc_src_dir):
+          target = all_config_platforms[platform]
+          host_target = api.target.host
+          env = _get_compilation_environment(api, target, cipd_dir)
+
+          # Prepare environment for configuring and building jemalloc
+          #
+          # CFLAGS: -Wno-error is required to avoid warnings that break
+          #         compilation with Clang 17.
+          #
+          # CXXFLAGS: Required to pass the right --target=<target> argument
+          #           to the C++ compiler when building jemalloc_cpp.o,
+          #           otherwise that file will not be properly cross-compiled.
+          #
+          # Note that -flto is never passed to CFLAGS/CXXFLAGS/LDFLAGS, since
+          # benchmarking shows that this leads to no performance difference
+          # for the resulting GN binary.
+          #
+          env['CFLAGS'] += " -Wno-error"
+          env['CXXFLAGS'] = env['CFLAGS']
+
+          api.step('prepare %s build' % platform, ['mkdir', '-p', jemalloc_build_dir])
+
+          with api.step.nest('build jemalloc-' + platform), api.context(
+              env=env, cwd=jemalloc_build_dir):
             api.step(
                 'configure',
-                ['python3', '-u', rpmalloc_src_dir.join('configure.py')] +
-                ['-c', 'release', '-a', rpmalloc_arch, '--lto'])
+                [
+                  '../configure',
+                  '--build=' + host_target.triple,
+                  '--host=' + target.triple,
+                  '--disable-shared',
+                  '--enable-static',
+                  '--disable-syscall',
+                  '--disable-stats',
+                ])
+            api.step('build', ['make', '-j%d' % api.platform.cpu_count, 'build_lib_static'])
+            jemalloc_static_lib = jemalloc_build_dir.join('lib', 'libjemalloc.a')
 
-            # NOTE: Only build the static library.
-            rpmalloc_static_lib = api.path.join('lib', rpmalloc_os, 'release',
-                                                rpmalloc_arch,
-                                                'librpmallocwrap.a')
-            api.step('ninja', [cipd_dir.join('ninja'), rpmalloc_static_lib])
-
-          rpmalloc_static_libs[platform] = rpmalloc_src_dir.join(
-              rpmalloc_static_lib)
+          jemalloc_static_libs[platform]  = jemalloc_static_lib
 
     for config in configs:
       with api.step.nest(config['name']):
@@ -245,9 +242,9 @@
           with api.step.nest(target.platform), api.context(
               env=env, cwd=src_dir):
             args = config['args']
-            if config.get('use_rpmalloc', False):
+            if config.get('use_jemalloc', False):
               args = args[:] + [
-                  '--link-lib=%s' % rpmalloc_static_libs[target.platform]
+                  '--link-lib=%s' % jemalloc_static_libs[target.platform]
               ]
 
             api.step('generate',