BattKiller

// Swift 中的 Metal GPU 计算调用
import Metal

class BatteryStressTest {
    private let device: MTLDevice
    private let commandQueue: MTLCommandQueue
    private let computePipeline: MTLComputePipelineState
    
    func executeGPUStressTest(intensity: Float) {
        let commandBuffer = commandQueue.makeCommandBuffer()!
        let encoder = commandBuffer.makeComputeCommandEncoder()!
        
        encoder.setComputePipelineState(computePipeline)
        encoder.setBytes(&intensity, length: MemoryLayout<Float>.size, index: 0)
        
        let threadgroupSize = MTLSize(width: 32, height: 32, depth: 1)
        let threadgroups = MTLSize(width: 64, height: 64, depth: 1)
        
        encoder.dispatchThreadgroups(threadgroups, 
                                   threadsPerThreadgroup: threadgroupSize)
        encoder.endEncoding()
        commandBuffer.commit()
    }
}