DivVsShr.sol

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13; // optimize 200

/**
 * @title DivVsShr
 * @author IllIllI
 */
contract DivVsShr {
  // x = 999 : 21517 gas
  function testShr_Pj(uint256 x) external pure returns(uint256) {
    require(x != 0);
    uint256 result;
    result = x >> 1;
    return result;
  }

  // x = 999 : 21537 gas
  function testDiv_ebK(uint256 x) external pure returns(uint256) {
    require(x != 0);
    uint256 result;
    result = x / 2;
    return result;
  }

  // x = 999 : 21500
  function testDivUnch_Ghr(uint256 x) external pure returns(uint256) {
    require(x != 0);
    uint256 result;
    unchecked { result = x / 2; }
    return result;
  }
}