Global speed multipliers and performance?

Is there any chance quicksmelt could cause lag/server performance issues with most global speed multipliers set to 5? Trying to pin down some issues, whether it's my host or what.

{
  "Permission": "quicksmelt.use",
  "Use Permission": false,
  "Speed Multipliers": {
    "furnace": 5,
    "furnace.large": 5,
    "refinery_small_deployed": 5,
    "small_refinery_static": 5,
    "fireplace.deployed": 1,
    "campfire": 1,
    "skull_fire_pit": 1,
    "cursedcauldron.deployed": 1,
    "bbq.deployed": 5,
    "bbq.static": 5
  },
  "Fuel Usage Speed Multipliers": {
    "furnace": 2,
    "furnace.large": 2,
    "refinery_small_deployed": 1,
    "small_refinery_static": 1,
    "fireplace.deployed": 1,
    "campfire": 1,
    "skull_fire_pit": 1,
    "cursedcauldron.deployed": 1,
    "bbq.deployed": 1,
    "bbq.static": 1,
	"jackolantern.happy": 0,
	"jackolantern.angry": 0
  },
  "Fuel Usage Multipliers": {
    "furnace": 1,
    "furnace.large": 1,
    "refinery_small_deployed": 2,
    "small_refinery_static": 2,
    "fireplace.deployed": 1,
    "campfire": 1,
    "skull_fire_pit": 1,
    "cursedcauldron.deployed": 1,
    "bbq.deployed": 1,
    "bbq.static": 1
  },
  "Output Multipliers": {
    "refinery_small_deployed": {
      "lowgradefuel": 1,
      "charcoal": 2
    },
    "small_refinery_static": {
      "lowgradefuel": 1,
      "charcoal": 2
    }
  },
  "Whitelist": {},
  "Blacklist": {
    "global": [
      "bearmeat.cooked",
      "chicken.cooked",
      "deermeat.cooked",
      "fish.cooked",
      "horsemeat.cooked",
      "humanmeat.cooked",
      "meat.pork.cooked",
      "wolfmeat.cooked"
    ]
  },
  "Smelting Frequencies (Smelt items every N smelting ticks)": {
    "global": 1
  },
  "Debug": false
}

 

I don't think so, I've ran QuickSmelt at x100 speed before.
Thanks my friend.