diff --git a/contracts/core/EntryPoint.sol b/contracts/core/EntryPoint.sol
index f619874b..ae0b7cff 100644
--- a/contracts/core/EntryPoint.sol
+++ b/contracts/core/EntryPoint.sol
@@ -79,12 +79,18 @@ contract EntryPoint is IEntryPoint, StakeManager, NonceManager, ReentrancyGuard,
     (uint256 collected) {
         uint256 preGas = gasleft();
         bytes memory context = getMemoryBytesFromOffset(opInfo.contextOffset);
-
-        try this.innerHandleOp(userOp.callData, opInfo, context) returns (
-            uint256 _actualGasCost
-        ) {
-            collected = _actualGasCost;
-        } catch {
+        uint saveFreePtr;
+        assembly {
+            saveFreePtr := mload(0x40)
+        }
+        bytes memory innerCall = abi.encodeCall(this.innerHandleOp,(userOp.callData, opInfo, context));
+        bool success;
+        assembly {
+            success := call(gas(), address(), 0, add(innerCall, 0x20), mload(innerCall), 0, 32)
+            collected := mload(0)
+            mstore(0x40, saveFreePtr)
+        }
+        if (!success) {
             bytes32 innerRevertCode;
             assembly {
                 let len := returndatasize()
diff --git a/contracts/interfaces/IAccountExecute.sol b/contracts/interfaces/IAccountExecute.sol
new file mode 100644
index 00000000..2e0fb43c
--- /dev/null
+++ b/contracts/interfaces/IAccountExecute.sol
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-3.0
+pragma solidity ^0.8.12;
+
+import "./UserOperation.sol";
+
+interface IAccountExecute {
+    /**
+     * Account MAY implement this execute method.
+     * passing this methodSig as callData will cause the entryPoint to pass the full UserOp (and hash)
+     * to the account.
+     * @param userOp              - The operation that was just validated.
+     * @param userOpHash          - Hash of the user's request data.
+     */
+    function executeUserOp(
+        UserOperation calldata userOp,
+        bytes32 userOpHash
+    ) external;
+}
diff --git a/reports/gas-checker.txt b/reports/gas-checker.txt
index 3fac0df2..f5eb0b8d 100644
--- a/reports/gas-checker.txt
+++ b/reports/gas-checker.txt
@@ -4,7 +4,7 @@
 ╔══════════════════════════╤════════╗
 ║ gas estimate "simple"    │  29014 ║
 ╟──────────────────────────┼────────╢
-║ gas estimate "big tx 5k" │ 125260 ║
+║ gas estimate "big tx 5k" │ 125248 ║
 ╚══════════════════════════╧════════╝
 
 ╔════════════════════════════════╤═══════╤═══════════════╤════════════════╤═════════════════════╗
@@ -12,36 +12,36 @@
 ║                                │       │               │     (delta for │        (compared to ║
 ║                                │       │               │    one UserOp) │     account.exec()) ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple                         │     1 │         81918 │                │                     ║
+║ simple                         │     1 │         81808 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple - diff from previous    │     2 │               │          44187 │               15173 ║
+║ simple - diff from previous    │     2 │               │          44041 │               15027 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple                         │    10 │        479730 │                │                     ║
+║ simple                         │    10 │        478604 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple - diff from previous    │    11 │               │          44247 │               15233 ║
+║ simple - diff from previous    │    11 │               │          44096 │               15082 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster               │     1 │         89813 │                │                     ║
+║ simple paymaster               │     1 │         89670 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster with diff     │     2 │               │          44796 │               15782 ║
+║ simple paymaster with diff     │     2 │               │          44671 │               15657 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster               │    10 │        493254 │                │                     ║
+║ simple paymaster               │    10 │        491926 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ simple paymaster with diff     │    11 │               │          44820 │               15806 ║
+║ simple paymaster with diff     │    11 │               │          44752 │               15738 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx 5k                      │     1 │        182975 │                │                     ║
+║ big tx 5k                      │     1 │        182841 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx - diff from previous    │     2 │               │         144698 │               19438 ║
+║ big tx - diff from previous    │     2 │               │         144576 │               19328 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx 5k                      │    10 │       1485374 │                │                     ║
+║ big tx 5k                      │    10 │       1484244 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ big tx - diff from previous    │    11 │               │         144759 │               19499 ║
+║ big tx - diff from previous    │    11 │               │         144620 │               19372 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ token paymaster                │     1 │        148244 │                │                     ║
+║ token paymaster                │     1 │        148138 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ token paymaster with diff      │     2 │               │          72920 │               43906 ║
+║ token paymaster with diff      │     2 │               │          72794 │               43780 ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ token paymaster                │    10 │        804795 │                │                     ║
+║ token paymaster                │    10 │        803643 │                │                     ║
 ╟────────────────────────────────┼───────┼───────────────┼────────────────┼─────────────────────╢
-║ token paymaster with diff      │    11 │               │          73015 │               44001 ║
+║ token paymaster with diff      │    11 │               │          72922 │               43908 ║
 ╚════════════════════════════════╧═══════╧═══════════════╧════════════════╧═════════════════════╝