diff --git a/jest-fast.config.js b/jest-fast.config.js
new file mode 100644
index 000000000..e251f47a0
--- /dev/null
+++ b/jest-fast.config.js
@@ -0,0 +1,16 @@
+module.exports = {
+    preset: "ts-jest",
+    transform: {
+        "^.+\\.(t|j)sx?$": "@swc/jest",
+    },
+    testEnvironment: "node",
+    testPathIgnorePatterns: [
+        "/node_modules/",
+        "/dist/",
+        "/src/test/e2e-emulated/map*",
+    ],
+    maxWorkers: "8",
+    globalSetup: "./jest.setup.js",
+    globalTeardown: "./jest.teardown.js",
+    snapshotSerializers: ["@tact-lang/ton-jest/serializers"],
+};
diff --git a/jest.config.js b/jest.config.js
index 6e143384e..791d84af8 100644
--- a/jest.config.js
+++ b/jest.config.js
@@ -1,8 +1,11 @@
 module.exports = {
     preset: "ts-jest",
+    transform: {
+        "^.+\\.(t|j)sx?$": "@swc/jest",
+    },
     testEnvironment: "node",
     testPathIgnorePatterns: ["/node_modules/", "/dist/"],
-    maxWorkers: "50%",
+    maxWorkers: "8",
     globalSetup: "./jest.setup.js",
     globalTeardown: "./jest.teardown.js",
     snapshotSerializers: ["@tact-lang/ton-jest/serializers"],
diff --git a/package.json b/package.json
index 342252bd7..c97874000 100644
--- a/package.json
+++ b/package.json
@@ -26,6 +26,7 @@
     "copy:func": "ts-node src/func/copy.build.ts",
     "build": "tsc && yarn copy:stdlib && yarn copy:grammar && yarn copy:func",
     "test": "jest",
+    "test:fast": "jest --config=./jest-fast.config.js",
     "coverage": "cross-env COVERAGE=true jest",
     "release": "yarn clean && yarn build && yarn coverage && yarn release-it --npm.yarn1",
     "type": "tsc --noEmit",
@@ -46,10 +47,13 @@
   "files": [
     "dist/**/*",
     "bin/**/*",
-    "stdlib/**/*",
+    "!src/**/*",
     "!**/test",
     "!/docs",
-    "!**/*.build.ts"
+    "!**/*.build.ts",
+    "!**/*.spec.js",
+    "!**/*.spec.d.ts",
+    "!**/*.tsbuildinfo"
   ],
   "main": "./dist/index.js",
   "bin": {
@@ -76,6 +80,8 @@
   "devDependencies": {
     "@ohm-js/cli": "^2.0.0",
     "@release-it/keep-a-changelog": "^6.0.0",
+    "@swc/core": "^1.10.7",
+    "@swc/jest": "^0.2.37",
     "@tact-lang/coverage": "^0.0.8",
     "@tact-lang/ton-abi": "^0.0.3",
     "@tact-lang/ton-jest": "^0.0.4",
diff --git a/tsconfig.eslint.json b/tsconfig.eslint.json
index 50fff32bc..7849625d8 100644
--- a/tsconfig.eslint.json
+++ b/tsconfig.eslint.json
@@ -9,6 +9,7 @@
     "examples/",
     "scripts/",
     "./jest.config.js",
+    "./jest-fast.config.js",
     "bin/tact.js",
     "bin/unboc.js"
   ],
diff --git a/tsconfig.json b/tsconfig.json
index 12aa2324d..a0fb68897 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,6 +3,5 @@
   "compilerOptions": {
     "outDir": "./dist"
   },
-  "include": ["src/**/*"],
-  "exclude": ["**/**.spec.ts", "**/**.bind.ts", "src/test/features/output/**/*"]
+  "include": ["src/**/*"]
 }
diff --git a/yarn.lock b/yarn.lock
index d6ce1b777..801a60b18 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1019,6 +1019,13 @@
     slash "^3.0.0"
     strip-ansi "^6.0.0"
 
+"@jest/create-cache-key-function@^29.7.0":
+  version "29.7.0"
+  resolved "https://registry.npmjs.org/@jest/create-cache-key-function/-/create-cache-key-function-29.7.0.tgz#793be38148fab78e65f40ae30c36785f4ad859f0"
+  integrity sha512-4QqS3LY5PBmTRHj9sAg1HLoPzqAI0uOX6wI/TRqHIcOxlFidy6YEmCQJk6FSZjNLGCeubDMfmkWL+qaLKhSGQA==
+  dependencies:
+    "@jest/types" "^29.6.3"
+
 "@jest/environment@^29.7.0":
   version "29.7.0"
   resolved "https://registry.npmjs.org/@jest/environment/-/environment-29.7.0.tgz"
@@ -1483,6 +1490,96 @@
     ignore "^5.1.8"
     p-map "^4.0.0"
 
+"@swc/core-darwin-arm64@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-darwin-arm64/-/core-darwin-arm64-1.10.7.tgz#ff727de61faabfbdfe062747e47305ee3472298e"
+  integrity sha512-SI0OFg987P6hcyT0Dbng3YRISPS9uhLX1dzW4qRrfqQdb0i75lPJ2YWe9CN47HBazrIA5COuTzrD2Dc0TcVsSQ==
+
+"@swc/core-darwin-x64@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-darwin-x64/-/core-darwin-x64-1.10.7.tgz#a276d5ee56e7c9fb03201c92c620143f8df6b52e"
+  integrity sha512-RFIAmWVicD/l3RzxgHW0R/G1ya/6nyMspE2cAeDcTbjHi0I5qgdhBWd6ieXOaqwEwiCd0Mot1g2VZrLGoBLsjQ==
+
+"@swc/core-linux-arm-gnueabihf@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-linux-arm-gnueabihf/-/core-linux-arm-gnueabihf-1.10.7.tgz#8f2041b818691e7535bc275d32659e77b5f2fecc"
+  integrity sha512-QP8vz7yELWfop5mM5foN6KkLylVO7ZUgWSF2cA0owwIaziactB2hCPZY5QU690coJouk9KmdFsPWDnaCFUP8tg==
+
+"@swc/core-linux-arm64-gnu@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-linux-arm64-gnu/-/core-linux-arm64-gnu-1.10.7.tgz#c185499f7db12ee95fdceb4c00fb503ed398cf1d"
+  integrity sha512-NgUDBGQcOeLNR+EOpmUvSDIP/F7i/OVOKxst4wOvT5FTxhnkWrW+StJGKj+DcUVSK5eWOYboSXr1y+Hlywwokw==
+
+"@swc/core-linux-arm64-musl@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-linux-arm64-musl/-/core-linux-arm64-musl-1.10.7.tgz#20732c402ba44fbd708e9871aaa10df5597a3d01"
+  integrity sha512-gp5Un3EbeSThBIh6oac5ZArV/CsSmTKj5jNuuUAuEsML3VF9vqPO+25VuxCvsRf/z3py+xOWRaN2HY/rjMeZog==
+
+"@swc/core-linux-x64-gnu@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-linux-x64-gnu/-/core-linux-x64-gnu-1.10.7.tgz#d6310152dd154c0796d1c0d99eb89fc26957c8f6"
+  integrity sha512-k/OxLLMl/edYqbZyUNg6/bqEHTXJT15l9WGqsl/2QaIGwWGvles8YjruQYQ9d4h/thSXLT9gd8bExU2D0N+bUA==
+
+"@swc/core-linux-x64-musl@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-linux-x64-musl/-/core-linux-x64-musl-1.10.7.tgz#e03d4ec66f4234323887774151d1034339d0d7af"
+  integrity sha512-XeDoURdWt/ybYmXLCEE8aSiTOzEn0o3Dx5l9hgt0IZEmTts7HgHHVeRgzGXbR4yDo0MfRuX5nE1dYpTmCz0uyA==
+
+"@swc/core-win32-arm64-msvc@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-win32-arm64-msvc/-/core-win32-arm64-msvc-1.10.7.tgz#f1a8c3149e2671d477af4ca39c761d6ade342d4c"
+  integrity sha512-nYAbi/uLS+CU0wFtBx8TquJw2uIMKBnl04LBmiVoFrsIhqSl+0MklaA9FVMGA35NcxSJfcm92Prl2W2LfSnTqQ==
+
+"@swc/core-win32-ia32-msvc@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-win32-ia32-msvc/-/core-win32-ia32-msvc-1.10.7.tgz#133f3168fee9910566a874eb1d422dc79eb17d54"
+  integrity sha512-+aGAbsDsIxeLxw0IzyQLtvtAcI1ctlXVvVcXZMNXIXtTURM876yNrufRo4ngoXB3jnb1MLjIIjgXfFs/eZTUSw==
+
+"@swc/core-win32-x64-msvc@1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core-win32-x64-msvc/-/core-win32-x64-msvc-1.10.7.tgz#84d6ed82b2f19bc00b868c9747f03ea6661d8023"
+  integrity sha512-TBf4clpDBjF/UUnkKrT0/th76/zwvudk5wwobiTFqDywMApHip5O0VpBgZ+4raY2TM8k5+ujoy7bfHb22zu17Q==
+
+"@swc/core@^1.10.7":
+  version "1.10.7"
+  resolved "https://registry.npmjs.org/@swc/core/-/core-1.10.7.tgz#736a5bbf0db7628cb2de3eac871e331f9a27e60b"
+  integrity sha512-py91kjI1jV5D5W/Q+PurBdGsdU5TFbrzamP7zSCqLdMcHkKi3rQEM5jkQcZr0MXXSJTaayLxS3MWYTBIkzPDrg==
+  dependencies:
+    "@swc/counter" "^0.1.3"
+    "@swc/types" "^0.1.17"
+  optionalDependencies:
+    "@swc/core-darwin-arm64" "1.10.7"
+    "@swc/core-darwin-x64" "1.10.7"
+    "@swc/core-linux-arm-gnueabihf" "1.10.7"
+    "@swc/core-linux-arm64-gnu" "1.10.7"
+    "@swc/core-linux-arm64-musl" "1.10.7"
+    "@swc/core-linux-x64-gnu" "1.10.7"
+    "@swc/core-linux-x64-musl" "1.10.7"
+    "@swc/core-win32-arm64-msvc" "1.10.7"
+    "@swc/core-win32-ia32-msvc" "1.10.7"
+    "@swc/core-win32-x64-msvc" "1.10.7"
+
+"@swc/counter@^0.1.3":
+  version "0.1.3"
+  resolved "https://registry.npmjs.org/@swc/counter/-/counter-0.1.3.tgz#cc7463bd02949611c6329596fccd2b0ec782b0e9"
+  integrity sha512-e2BR4lsJkkRlKZ/qCHPw9ZaSxc0MVUd7gtbtaB7aMvHeJVYe8sOB8DBZkP2DtISHGSku9sCK6T6cnY0CtXrOCQ==
+
+"@swc/jest@^0.2.37":
+  version "0.2.37"
+  resolved "https://registry.npmjs.org/@swc/jest/-/jest-0.2.37.tgz#9c2aaf22c87682aa968016e3e4843d1a25cae6bd"
+  integrity sha512-CR2BHhmXKGxTiFr21DYPRHQunLkX3mNIFGFkxBGji6r9uyIR5zftTOVYj1e0sFNMV2H7mf/+vpaglqaryBtqfQ==
+  dependencies:
+    "@jest/create-cache-key-function" "^29.7.0"
+    "@swc/counter" "^0.1.3"
+    jsonc-parser "^3.2.0"
+
+"@swc/types@^0.1.17":
+  version "0.1.17"
+  resolved "https://registry.npmjs.org/@swc/types/-/types-0.1.17.tgz#bd1d94e73497f27341bf141abdf4c85230d41e7c"
+  integrity sha512-V5gRru+aD8YVyCOMAjMpWR1Ui577DD5KSJsHP8RAxopAH22jFz6GZd/qxqjO6MJHQhcsjvjOFXyDhyLQUnMveQ==
+  dependencies:
+    "@swc/counter" "^0.1.3"
+
 "@tact-lang/coverage@^0.0.8":
   version "0.0.8"
   resolved "https://registry.npmjs.org/@tact-lang/coverage/-/coverage-0.0.8.tgz"
@@ -4237,6 +4334,11 @@ json5@^2.1.3, json5@^2.2.3:
   resolved "https://registry.npmjs.org/json5/-/json5-2.2.3.tgz"
   integrity sha512-XmOWe7eyHYH14cLdVPoyg+GOH3rYX++KpzrylJwSW98t3Nk+U8XOl8FWKOgwtzdb8lXGf6zYwDUzeHMWfxasyg==
 
+jsonc-parser@^3.2.0:
+  version "3.3.1"
+  resolved "https://registry.npmjs.org/jsonc-parser/-/jsonc-parser-3.3.1.tgz#f2a524b4f7fd11e3d791e559977ad60b98b798b4"
+  integrity sha512-HUgH65KyejrUFPvHFPbqOY0rsFip3Bo5wb4ngvdi1EpCYWUQDC5V+Y7mZws+DLkr4M//zQJoanu1SP+87Dv1oQ==
+
 jsonfile@^6.0.1:
   version "6.1.0"
   resolved "https://registry.npmjs.org/jsonfile/-/jsonfile-6.1.0.tgz"