Benchmark: Replace char in long string

Script Preparation code:
json = '{\n    "tank": {\n        "id": "R96_Object_430B",\n        "tank_id": 17153,\n        "hidden": false,\n        "name": "Object 430B",\n        "short_name": "Obj. 430B",\n        "slug": "obj-430b",\n        "description": "A prototype of this medium tank was developed from 1953 through 1957 to replace the T-54. Soviet authorities wanted a tank with greater nuclear survivability and firepower, so in 1961 the project was discontinued in favor of the Object 432. Several prototypes of the vehicle were manufactured.",\n        "type": "medium",\n        "tier": 10,\n        "price": 6100000,\n        "gold_price": 0,\n        "not_in_shop": true,\n        "nation": "ussr",\n        "battle_tier": "",\n        "siege_id": "",\n        "siege_slug": "",\n        "siege": false,\n        "regions_json": "[\"asia\",\"ru\",\"na\",\"eu\"]",\n        "original_id": "R96_Object_430B",\n        "wheeled": false,\n        "multiple_hulls": false,\n        "multiple_chassis": false,\n        "visual_model": "vehicles/russian/R96_Object_430/normal/lod0/Hull.model",\n        "collision_model": "vehicles/russian/R96_Object_430/collision_client/Hull.model",\n        "turret_pos_x": 0,\n        "turret_pos_y": 0.524502,\n        "turret_pos_z": -0.0777,\n        "fake_turret": false,\n        "num_turret_slots": 1,\n        "first_turret_slot": 0,\n        "health": 1600,\n        "weight": 10870,\n        "ammo_rack_health": 252,\n        "ammo_rack_repair_price": 1,\n        "ammo_rack_repair_health": 168,\n        "armor_front": 120,\n        "armor_side": 80,\n        "armor_rear": 40,\n        "fuel_tank_health": 200,\n        "fuel_tank_repair_price": 1,\n        "fuel_tank_repair_health": 80,\n        "fuel_tank_weight": 300,\n        "forward_speed": 55,\n        "reverse_speed": 20,\n        "repair_price": 12.5,\n        "xp_factor": 1,\n        "camo_price_factor": 2,\n        "camo_still": 0.313,\n        "camo_moving": 0.235,\n        "camo_fire_penalty": 0.47,\n        "camo_paint": 0.03,\n        "camo_net": 0,\n        "siege_enter_time": 0,\n        "siege_leave_time": 0,\n        "siege_on_speed": 0,\n        "siege_off_speed": 0,\n        "hull_aiming": false,\n        "hull_elevation": 0,\n        "hull_depression": 0,\n        "turret_pitch": 0,\n        "field_mod_tree": "role_MT_assault",\n        "field_mod_slot_options": "3 5",\n        "vehicle_role": "role_MT_assault",\n        "vehicle_role_desc": "Assault Medium Tank",\n        "rocket_acceleration_uses": 0,\n        "rocket_acceleration_cooldown": 0,\n        "rocket_acceleration_duration": 0,\n        "rocket_acceleration_initial_cooldown": 0,\n        "rocket_acceleration_engine_power": 0,\n        "rocket_acceleration_forward_speed": 0,\n        "rocket_acceleration_reverse_speed": 0,\n        "rocket_acceleration_rotation_speed": 0,\n        "tags": [\n            {\n                "name": "mediumTank"\n            },\n            {\n                "name": "role_MT_assault"\n            },\n            {\n                "name": "private"\n            },\n            {\n                "name": "HD"\n            },\n            {\n                "name": "secret"\n            },\n            {\n                "name": "unrecoverable"\n            },\n            {\n                "name": "mediumTank3"\n            },\n            {\n                "name": "improvedVentilation_class2_user"\n            },\n            {\n                "name": "tankRammer_class2_user"\n            },\n            {\n                "name": "aimingStabilizer_class1_user"\n            },\n            {\n                "name": "extraHealthReserve_class2_user"\n            },\n            {\n                "name": "antifragmentationLining_medium_user"\n            },\n            {\n                "name": "earn_crystals"\n            }\n        ],\n        "crew": [\n            {\n                "role": "commander",\n                "filled_by": "commander"\n            },\n            {\n                "role": "radioman",\n                "filled_by": "commander"\n            },\n            {\n                "role": "gunner",\n                "filled_by": "gunner"\n            },\n            {\n                "role": "driver",\n                "filled_by": "driver"\n            },\n            {\n                "role": "loader",\n                "filled_by": "loader"\n            }\n        ],\n        "armor": [\n            {\n                "name": "0_armor_1",\n                "value": 120,\n                "damage_factor": 1,\n                "primary": true\n            },\n            {\n                "name": "0_armor_2",\n                "value": 120,\n                "damage_factor": 1,\n                "primary": false\n            },\n            {\n                "name": "0_armor_3",\n                "value": 55,\n                "damage_factor": 1,\n                "primary": false\n            },\n            {\n                "name": "0_armor_4",\n                "value": 40,\n                "damage_factor": 1,\n                "primary": true\n            },\n            {\n                "name": "0_armor_5",\n                "value": 16,\n                "damage_factor": 1,\n                "primary": false\n            },\n            {\n                "name": "0_armor_7",\n                "value": 20,\n                "damage_factor": 1,\n                "primary": false\n            },\n            {\n                "name": "0_armor_8",\n                "value": 0,\n                "damage_factor": 1,\n                "primary": false\n            },\n            {\n                "name": "0_armor_9",\n                "value": 80,\n                "damage_factor": 1,\n                "primary": true\n            },\n            {\n                "name": "0_armor_11",\n                "value": 20,\n                "damage_factor": 1,\n                "primary": false\n            },\n            {\n                "name": "0_armor_16",\n                "value": 40,\n                "damage_factor": 1,\n                "primary": false\n            }\n        ],\n        "unlocks": null,\n        "chassis": [\n            {\n                "id": 2000,\n                "identifier": "Chassis_Object_430B",\n                "tank_id": "R96_Object_430B",\n                "name": "Object 430B",\n                "tier": 10,\n                "price": 82500,\n                "not_in_shop": true,\n                "health": 300,\n                "weight": 12000,\n                "repair_price": 5,\n                "repair_health": 228,\n                "max_climb_angle": 25,\n                "max_load": 39000,\n                "brake_force": 36000,\n                "center_rotation": true,\n                "rotation_speed": 52,\n                "terrain_hard": 0.6,\n                "terrain_medium": 0.7,\n                "terrain_soft": 1.6,\n                "dispersion_movement": 0.14,\n                "dispersion_rotation": 0.14,\n                "armor": 15,\n                "full_armor": "[{\"name\":\"leftTrack\",\"value\":15,\"factor\":1},{\"name\":\"rightTrack\",\"value\":15,\"factor\":1}]",\n                "axle_count": 0,\n                "axle_lock_angles": "",\n                "center_offset": 1.28191,\n                "repair_time": 6.8398266,\n                "p_terrain_hard": 0.0483,\n                "p_terrain_medium": 0.05635,\n                "p_terrain_soft": 0.1288,\n                "visual_model": "vehicles/russian/R96_Object_430/normal/lod0/Chassis.model",\n                "collision_model": "vehicles/russian/R96_Object_430/collision_client/Chassis.model",\n                "hull_pos_x": 0,\n                "hull_pos_y": 0.870077,\n                "hull_pos_z": 0\n            }\n        ],\n        "wheels": null,\n        "hulls": null,\n        "turret_slots": [\n            {\n                "id": 1537,\n                "tank_id": "R96_Object_430B",\n                "slot": 0,\n                "pos_x": 0,\n                "pos_y": 0.524502,\n                "pos_z": -0.0777,\n                "rot_x": 0,\n                "rot_y": 0,\n                "rot_z": 0\n            }\n        ],\n        "turrets": [\n            {\n                "id": 4719,\n                "identifier": "Turret_1_Object_430B",\n                "tank_id": "R96_Object_430B",\n                "turret_slot": 0,\n                "name": "Object 430B",\n                "tier": 10,\n                "price": 66000,\n                "not_in_shop": true,\n                "health": 400,\n                "weight": 8200,\n                "rotator_health": 204,\n                "rotator_repair_price": 1,\n                "rotator_repair_health": 102,\n                "surveyor_health": 144,\n                "surveyor_repair_price": 1,\n                "surveyor_repair_health": 72,\n                "rotation_speed": 40,\n                "view_range": 400,\n                "armor_front": 248,\n                "armor_side": 185,\n                "armor_rear": 63,\n                "full_armor": "[{\"name\":\"armor_1\",\"value\":248,\"factor\":1},{\"name\":\"armor_2\",\"value\":210,\"factor\":1},{\"name\":\"armor_3\",\"value\":130,\"factor\":1},{\"name\":\"armor_4\",\"value\":63,\"factor\":1},{\"name\":\"armor_5\",\"value\":30,\"factor\":1},{\"name\":\"armor_7\",\"value\":76,\"factor\":1},{\"name\":\"armor_8\",\"value\":0,\"factor\":1},{\"name\":\"armor_9\",\"value\":185,\"factor\":1},{\"name\":\"armor_10\",\"value\":160,\"factor\":1},{\"name\":\"armor_11\",\"value\":90,\"factor\":1},{\"name\":\"armor_13\",\"value\":160,\"factor\":1},{\"name\":\"armor_16\",\"value\":248,\"factor\":1}]",\n                "visual_model": "vehicles/russian/R96_Object_430/normal/lod0/Turret_01.model",\n                "collision_model": "vehicles/russian/R96_Object_430/collision_client/Turret_01.model",\n                "gun_pos_x": 0,\n                "gun_pos_y": 0.202643,\n                "gun_pos_z": 1.1338,\n                "has_multi_gun": false,\n                "gun2_pos_x": 0,\n                "gun2_pos_y": 0,\n                "gun2_pos_z": 0,\n                "camo_factor": 0,\n                "Guns": null\n            }\n        ],\n        "guns": [\n            {\n                "id": 8604,\n                "identifier": "_122-mm_D-49",\n                "turret_id": 4719,\n                "name": "122 mm D-49",\n                "tier": 8,\n                "price": 135140,\n                "not_in_shop": true,\n                "health": 192,\n                "weight": 2590,\n                "repair_price": 8,\n                "repair_health": 96,\n                "elevation": 16.2,\n                "depression": 5,\n                "yaw_left": -180,\n                "yaw_right": 180,\n                "rotation_speed": 26.25,\n                "pitch_limits": "{\"elevation\":[[0,-16.2],[1,-16.2]],\"depression\":[[0,5],[0.347222,5],[0.361111,1],[0.430556,1],[0.444444,4],[0.555556,4],[0.569445,1],[0.638889,1],[0.652778,5],[1,5]]}",\n                "max_ammo": 50,\n                "reload_time": 6.4,\n                "aim_time": 2.3,\n                "dispersion": 0.38,\n                "dispersion_rotation": 0.12,\n                "dispersion_firing": 4,\n                "dispersion_damaged": 2,\n                "clip_size": 0,\n                "clip_reload": 0,\n                "burst_size": 0,\n                "burst_reload": 0,\n                "autoreload_time": "",\n                "autoreload_fraction": 0,\n                "full_armor": "[{\"name\":\"armor_1\",\"value\":248,\"factor\":0},{\"name\":\"armor_3\",\"value\":185,\"factor\":0},{\"name\":\"armor_4\",\"value\":248,\"factor\":0},{\"name\":\"armor_5\",\"value\":60,\"factor\":0},{\"name\":\"gun\",\"value\":40,\"factor\":1}]",\n                "dual_reload_time": "",\n                "dual_rate_time": 0,\n                "dual_charge_time": 0,\n                "dual_charge_threshold": 0,\n                "dual_charge_cancel_time": 0,\n                "dual_pre_charge_indication": 0,\n                "dual_reload_lock_time": 0,\n                "dual_after_shot_delay": 0,\n                "dual_accuracy_dispersion": 0,\n                "dual_accuracy_cooling_delay": 0,\n                "visual_model": "vehicles/russian/R96_Object_430/normal/lod0/Gun_01.model",\n                "collision_model": "vehicles/russian/R96_Object_430/collision_client/Gun_01.model",\n                "camo_fire_penalty": 0.198,\n                "Shells": null\n            }\n        ],\n        "shells": [\n            {\n                "id": "_122mm_UBR-471",\n                "gun_id": 8604,\n                "name": "UBR-471",\n                "icon": "ap",\n                "price": 1025,\n                "gold_price": 0,\n                "type": "ARMOR_PIERCING",\n                "caliber": 122,\n                "explosion_radius": 0,\n                "damage": 390,\n                "module_damage": 165,\n                "penetration_loss": 0,\n                "speed": 850,\n                "gravity": 9.81,\n                "range": 720,\n                "penetration": 230,\n                "min_penetration": 205,\n                "stun_duration": 0,\n                "min_stun_duration": 0\n            },\n            {\n                "id": "_122mm_UBR-471P",\n                "gun_id": 8604,\n                "name": "BR-471D",\n                "icon": "ap_cr_premium",\n                "price": 4800,\n                "gold_price": 1,\n                "type": "ARMOR_PIERCING_CR",\n                "caliber": 122,\n                "explosion_radius": 0,\n                "damage": 390,\n                "module_damage": 165,\n                "penetration_loss": 0,\n                "speed": 1050,\n                "gravity": 9.81,\n                "range": 720,\n                "penetration": 270,\n                "min_penetration": 250,\n                "stun_duration": 0,\n                "min_stun_duration": 0\n            },\n            {\n                "id": "_122mm_UOF-471",\n                "gun_id": 8604,\n                "name": "UOF-471",\n                "icon": "he_modern",\n                "price": 608,\n                "gold_price": 0,\n                "type": "HIGH_EXPLOSIVE",\n                "caliber": 122,\n                "explosion_radius": 2.49,\n                "damage": 530,\n                "module_damage": 165,\n                "penetration_loss": 0,\n                "speed": 850,\n                "gravity": 9.81,\n                "range": 720,\n                "penetration": 61,\n                "min_penetration": 61,\n                "stun_duration": 0,\n                "min_stun_duration": 0\n            }\n        ],\n        "engines": [\n            {\n                "id": 2135,\n                "identifier": "V_54S",\n                "tank_id": "R96_Object_430B",\n                "tags": "diesel",\n                "name": "B-54S",\n                "tier": 8,\n                "price": 50000,\n                "not_in_shop": true,\n                "health": 260,\n                "weight": 700,\n                "repair_price": 8,\n                "repair_health": 130,\n                "power": 520,\n                "fire_chance": 0.12,\n                "max_speed": 0,\n                "p_power": 613.2231,\n                "p_max_speed": 55\n            }\n        ],\n        "radios": [\n            {\n                "id": 2188,\n                "identifier": "_10RT_26E",\n                "tank_id": "R96_Object_430B",\n                "name": "10RT-26E",\n                "tier": 10,\n                "price": 56500,\n                "not_in_shop": true,\n                "health": 200,\n                "weight": 30,\n                "repair_price": 4,\n                "repair_health": 150,\n                "range": 760\n            }\n        ],\n        "version": "v12400"\n    }\n}';
Tests:
replaceAll() regex
json.replaceAll(/ /g, '\u0050');
replaceAll() string
json.replaceAll(' ', '\u0050');
split() and join()
json.split(' ').join('\u0050');
Rendered benchmark preparation results:
Suite status: <idle, ready to run>

Previous results
Test case name	Result
replaceAll() regex
replaceAll() string
split() and join()
Fastest: N/A

Slowest: N/A

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Latest run results:
Run details: (Test run date: one month ago)
User agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36 OPR/108.0.0.0
Browser/OS: Opera 108 on Windows
View result in a separate tab
Test name	Executions per second
replaceAll() regex	9595.3 Ops/sec
replaceAll() string	9498.8 Ops/sec
split() and join()	28298.7 Ops/sec
Replace char in long string (version: 0)

Comparing performance of: replaceAll() regex vs replaceAll() string vs split() and join()

Created: one month ago by: Guest

Jump to the latest result

replaceAll() regex

replaceAll() string

split() and join()

Suite status: <idle, ready to run>

Experimental features:

Fastest: N/A

Slowest: N/A
