#include <iostream>
#include <ctime>
#include <cuda_runtime.h>
#include <cuda_runtime_api.h>
#include <device_launch_parameters.h>
#include <cuda.h>

using namespace std;

void KNearestNeighborsCPU(float3 *dataArray, int *result, int cnt);
__global__ void KNearestNeighborsGPU(float3 *dataArray, int *result, int cnt);

int cnt = 10000;

int main(int argc, char **argv)
{
	clock_t init, end;

	// generate the data
	srand(time(NULL));

	int timt = 0;
	float3 *dataArray = new float3[cnt];
	int *result = new int[cnt];

	for (int i = 0; i < cnt; i++)
	{
		dataArray[i].x = i;
		dataArray[i].y = i;
		dataArray[i].z = i;
	}

	// first check the speed of the algorithm takes on the cpu
	for (int i = 0; i < 10; i++)
	{
		init = clock();
		KNearestNeighborsCPU(dataArray, result, cnt);
		end = clock();
		timt += end - init;

		cout << "Iteration number " << i << " took " << end - init << " milliseconds" << endl;
	}
	cout << "[+] The algorithm on the CPU takes " << timt / 10 << " milliseconds" << endl;
	timt = 0;

	for (int i = 0; i < 10; i++)
		cout << i << " - " << result[i] << endl;

	memset(result, 0, cnt);

	// allocate and copy memory to the gpu
	float3 *deviceData;
	int *deviceResult;

	if (cudaMalloc(&deviceData, sizeof(float3)*cnt) != cudaSuccess)
	{
		cout << "[+] Unable to allocate GPU memory" << endl;
		return -1;
	}
	if (cudaMalloc(&deviceResult, sizeof(int)*cnt) != cudaSuccess)
	{
		cout << "[+] Unable to allocate GPU memory" << endl;
		return -2;
	}
	if (cudaMemcpy(deviceData, dataArray, sizeof(float3)*cnt, cudaMemcpyHostToDevice) != cudaSuccess)
	{
		cout << "[+] Error in moving memory to the GPU" << endl;
		return -3;
	}

	// third check the simple implementation speed on the gpu
	for (int i = 0; i < 10; i++)
	{
		init = clock();
		KNearestNeighborsGPU<<< (cnt / 128) + 1, 128 >>>(deviceData, deviceResult, cnt);
		cudaMemcpy(result, deviceResult, sizeof(int)*cnt, cudaMemcpyDeviceToHost);
		end = clock();
		timt += end - init;

		cout << "Iteration number " << i << " took " << end - init << " milliseconds" << endl;
	}
	cout << "[+] The algorithm on the GPU takes " << timt / 10 << " milliseconds" << endl;
	timt = 0;

	for (int i = 0; i < 10; i++)
		cout << i << " - " << result[i] << endl;

	return 0;
}

// cpu algorithm
void KNearestNeighborsCPU(float3 *dataArray, int *result, int cnt)
{
	for (int i = 0; i < cnt; i++)
	{
		float minimumDist = 3.4028234664e38f, distance = 0;
		for (int j = 0; j < cnt; j++)
		{
			if (i != j)
			{
				distance = (dataArray[i].x - dataArray[j].x) * (dataArray[i].x - dataArray[j].x);
				distance += (dataArray[i].y - dataArray[j].y) * (dataArray[i].y - dataArray[j].y);
				distance += (dataArray[i].z - dataArray[j].z) * (dataArray[i].z - dataArray[j].z);

				if (distance < minimumDist)
				{
					minimumDist = distance;
					result[i] = j;
				}
			}
		}
	}
}

// gpu algorithm
__global__ void KNearestNeighborsGPU(float3 *dataArray, int *result, int cnt)
{
	int id = blockIdx.x * blockDim.x + threadIdx.x;
	if (id >= cnt) return;

	float3 point = dataArray[id], current;
	float minimumDist = 3.4028234664e38f, distance = 0;

	for (int j = 0; j < cnt; j++)
	{
		if (id == j) continue;

		current = dataArray[j];
		distance = (point.x - current.x) * (point.x - current.x);
		distance += (point.y - current.y) * (point.y - current.y);
		distance += (point.z - current.z) * (point.z - current.z);

		if (distance < minimumDist)
		{
			minimumDist = distance;
			result[id] = j;
		}
	}
}
	.file	"tmpxft_002b3738_00000000-6_knn.cudafe1.cpp"
	.text
#APP
	.globl _ZSt21ios_base_library_initv

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB3639:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE3639:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.align 2
	.type	_ZNSolsEPFRSoS_E.isra.0, @function
_ZNSolsEPFRSoS_E.isra.0:
.LFB4296:
	.cfi_startproc
	jmp	*%rsi
	.cfi_endproc
.LFE4296:
	.size	_ZNSolsEPFRSoS_E.isra.0, .-_ZNSolsEPFRSoS_E.isra.0
	.globl	_Z20KNearestNeighborsCPUP6float3Pii
	.type	_Z20KNearestNeighborsCPUP6float3Pii, @function
_Z20KNearestNeighborsCPUP6float3Pii:
.LFB3636:
	.cfi_startproc
	endbr64
	movq	%rdi, %rcx
	xorl	%eax, %eax
.L4:
	movl	%eax, %r10d
	cmpl	%eax, %edx
	jle	.L12
	movss	.LC0(%rip), %xmm2
	movq	%rdi, %r9
	xorl	%r8d, %r8d
.L7:
	cmpl	%r10d, %r8d
	je	.L5
	movss	(%rcx), %xmm0
	subss	(%r9), %xmm0
	movaps	%xmm0, %xmm1
	mulss	%xmm0, %xmm1
	movss	4(%rcx), %xmm0
	subss	4(%r9), %xmm0
	mulss	%xmm0, %xmm0
	addss	%xmm0, %xmm1
	movss	8(%rcx), %xmm0
	subss	8(%r9), %xmm0
	mulss	%xmm0, %xmm0
	addss	%xmm1, %xmm0
	comiss	%xmm0, %xmm2
	jbe	.L5
	movl	%r8d, (%rsi,%rax,4)
	movaps	%xmm0, %xmm2
.L5:
	incl	%r8d
	addq	$12, %r9
	cmpl	%r8d, %edx
	jne	.L7
	incq	%rax
	addq	$12, %rcx
	jmp	.L4
.L12:
	ret
	.cfi_endproc
.LFE3636:
	.size	_Z20KNearestNeighborsCPUP6float3Pii, .-_Z20KNearestNeighborsCPUP6float3Pii
	.globl	_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii
	.type	_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii, @function
_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii:
.LFB3661:
	.cfi_startproc
	endbr64
	subq	$136, %rsp
	.cfi_def_cfa_offset 144
	movq	%rdi, 24(%rsp)
	leaq	40(%rsp), %rcx
	leaq	48(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	60(%rsp), %rsi
	movl	%edx, 12(%rsp)
	leaq	32(%rsp), %rdx
	movq	%fs:40, %rax
	movq	%rax, 120(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 56(%rsp)
	movq	%rax, 96(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 104(%rsp)
	leaq	12(%rsp), %rax
	movq	%rax, 112(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 48(%rsp)
	movq	%rax, 60(%rsp)
	movl	$1, 68(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L13
	pushq	40(%rsp)
	.cfi_def_cfa_offset 152
	leaq	_Z20KNearestNeighborsGPUP6float3Pii(%rip), %rdi
	pushq	40(%rsp)
	.cfi_def_cfa_offset 160
	movq	76(%rsp), %rcx
	movl	84(%rsp), %r8d
	movq	64(%rsp), %rsi
	movl	72(%rsp), %edx
	leaq	112(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 152
	popq	%rdx
	.cfi_def_cfa_offset 144
.L13:
	movq	120(%rsp), %rax
	subq	%fs:40, %rax
	je	.L15
	call	__stack_chk_fail@PLT
.L15:
	addq	$136, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE3661:
	.size	_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii, .-_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii
	.globl	_Z20KNearestNeighborsGPUP6float3Pii
	.type	_Z20KNearestNeighborsGPUP6float3Pii, @function
_Z20KNearestNeighborsGPUP6float3Pii:
.LFB3662:
	.cfi_startproc
	endbr64
	jmp	_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii
	.cfi_endproc
.LFE3662:
	.size	_Z20KNearestNeighborsGPUP6float3Pii, .-_Z20KNearestNeighborsGPUP6float3Pii
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"Iteration number "
.LC2:
	.string	" took "
.LC3:
	.string	" milliseconds"
.LC4:
	.string	"[+] The algorithm on the CPU takes "
.LC5:
	.string	" - "
.LC6:
	.string	"[+] Unable to allocate GPU memory"
.LC7:
	.string	"[+] Error in moving memory to the GPU"
.LC8:
	.string	"[+] The algorithm on the GPU takes "
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB3635:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	xorl	%edi, %edi
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	subq	$72, %rsp
	.cfi_def_cfa_offset 128
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	xorl	%eax, %eax
	call	time@PLT
	movl	%eax, %edi
	call	srand@PLT
	movslq	cnt(%rip), %rdi
	movabsq	$768614336404564650, %rax
	cmpq	%rdi, %rax
	jb	.L19
	imulq	$12, %rdi, %rdi
	call	_Znam@PLT
	movslq	cnt(%rip), %r14
	movq	%rax, %r13
	movabsq	$2305843009213693950, %rax
	cmpq	%r14, %rax
	jnb	.L20
.L19:
	movq	56(%rsp), %rax
	subq	%fs:40, %rax
	jne	.L40
	call	__cxa_throw_bad_array_new_length@PLT
.L20:
	leaq	0(,%r14,4), %rax
	movq	%rax, %rdi
	movq	%rax, 8(%rsp)
	call	_Znam@PLT
	movl	cnt(%rip), %ecx
	xorl	%edx, %edx
	movq	%rax, %rbx
	movq	%r13, %rax
.L22:
	cmpl	%edx, %ecx
	jle	.L41
	cvtsi2ssl	%edx, %xmm0
	addq	$12, %rax
	incl	%edx
	movss	%xmm0, -12(%rax)
	movss	%xmm0, -8(%rax)
	movss	%xmm0, -4(%rax)
	jmp	.L22
.L41:
	xorl	%r12d, %r12d
	xorl	%ebp, %ebp
.L24:
	call	clock@PLT
	movl	cnt(%rip), %edx
	movq	%rbx, %rsi
	movq	%r13, %rdi
	movq	%rax, %r15
	call	_Z20KNearestNeighborsCPUP6float3Pii
	call	clock@PLT
	leaq	.LC1(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	movq	%rax, %r14
	subl	%r15d, %eax
	addl	%eax, %ebp
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movl	%r12d, %esi
	incl	%r12d
	movq	%rax, %rdi
	call	_ZNSolsEi@PLT
	leaq	.LC2(%rip), %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	%r14, %rsi
	subq	%r15, %rsi
	movq	%rax, %rdi
	leaq	.LC3(%rip), %r15
	call	_ZNSo9_M_insertIlEERSoT_@PLT
	movq	%r15, %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	cmpl	$10, %r12d
	jne	.L24
	leaq	.LC4(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	%rax, %rdi
	movl	%ebp, %eax
	leaq	.LC5(%rip), %rbp
	cltd
	idivl	%r12d
	xorl	%r12d, %r12d
	movl	%eax, %esi
	call	_ZNSolsEi@PLT
	movq	%r15, %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
.L25:
	movl	%r12d, %esi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZNSolsEi@PLT
	movq	%rbp, %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movl	(%rbx,%r12,4), %esi
	incq	%r12
	movq	%rax, %rdi
	call	_ZNSolsEi@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	cmpq	$10, %r12
	jne	.L25
	movslq	cnt(%rip), %rbp
	movq	8(%rsp), %rcx
	xorl	%esi, %esi
	movq	%rbx, %rdi
	movq	%rbp, %rdx
	call	__memset_chk@PLT
	imulq	$12, %rbp, %rsi
	leaq	16(%rsp), %rdi
	call	cudaMalloc@PLT
	testl	%eax, %eax
	je	.L26
	leaq	.LC6(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	orl	$-1, %eax
	jmp	.L18
.L26:
	movslq	cnt(%rip), %rsi
	leaq	24(%rsp), %rdi
	salq	$2, %rsi
	call	cudaMalloc@PLT
	testl	%eax, %eax
	je	.L28
	leaq	.LC6(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	movl	$-2, %eax
	jmp	.L18
.L28:
	movslq	cnt(%rip), %rdx
	movq	%r13, %rsi
	xorl	%r12d, %r12d
	xorl	%ebp, %ebp
	movq	16(%rsp), %rdi
	movl	$1, %ecx
	imulq	$12, %rdx, %rdx
	call	cudaMemcpy@PLT
	testl	%eax, %eax
	je	.L29
	leaq	.LC7(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	movl	$-3, %eax
	jmp	.L18
.L29:
	call	clock@PLT
	movl	$128, %ecx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movq	%rax, %r13
	movl	cnt(%rip), %eax
	cltd
	idivl	%ecx
	movl	$33554433, %edx
	movl	$1, %ecx
	salq	$7, %rdx
	incl	%eax
	movl	%eax, 32(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 36(%rsp)
	movq	32(%rsp), %rdi
	movl	40(%rsp), %esi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L30
	movl	cnt(%rip), %edx
	movq	24(%rsp), %rsi
	movq	16(%rsp), %rdi
	call	_Z49__device_stub__Z20KNearestNeighborsGPUP6float3PiiP6float3Pii
.L30:
	movslq	cnt(%rip), %rdx
	movq	24(%rsp), %rsi
	movl	$2, %ecx
	movq	%rbx, %rdi
	salq	$2, %rdx
	call	cudaMemcpy@PLT
	call	clock@PLT
	leaq	.LC1(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	movq	%rax, %r14
	subl	%r13d, %eax
	addl	%eax, %ebp
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movl	%r12d, %esi
	incl	%r12d
	movq	%rax, %rdi
	call	_ZNSolsEi@PLT
	leaq	.LC2(%rip), %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	%r14, %rsi
	movq	%rax, %rdi
	subq	%r13, %rsi
	call	_ZNSo9_M_insertIlEERSoT_@PLT
	movq	%r15, %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	cmpl	$10, %r12d
	jne	.L29
	leaq	.LC8(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	%rax, %rdi
	movl	%ebp, %eax
	xorl	%ebp, %ebp
	cltd
	idivl	%r12d
	leaq	.LC5(%rip), %r12
	movl	%eax, %esi
	call	_ZNSolsEi@PLT
	movq	%r15, %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
.L31:
	movl	%ebp, %esi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZNSolsEi@PLT
	movq	%r12, %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movl	(%rbx,%rbp,4), %esi
	incq	%rbp
	movq	%rax, %rdi
	call	_ZNSolsEi@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	cmpq	$10, %rbp
	jne	.L31
	xorl	%eax, %eax
.L18:
	movq	56(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L32
.L40:
	call	__stack_chk_fail@PLT
.L32:
	addq	$72, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%rbp
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE3635:
	.size	main, .-main
	.section	.rodata.str1.1
.LC9:
	.string	"_Z20KNearestNeighborsGPUP6float3Pii"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB3664:
	.cfi_startproc
	endbr64
	pushq	%rax
	.cfi_def_cfa_offset 16
	leaq	_ZL15__fatDeviceText(%rip), %rdi
	call	__cudaRegisterFatBinary@PLT
	pushq	$0
	.cfi_def_cfa_offset 24
	xorl	%r9d, %r9d
	orl	$-1, %r8d
	pushq	$0
	.cfi_def_cfa_offset 32
	leaq	.LC9(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z20KNearestNeighborsGPUP6float3Pii(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 40
	movq	%rdx, %rcx
	pushq	$0
	.cfi_def_cfa_offset 48
	movq	%rax, _ZL20__cudaFatCubinHandle(%rip)
	call	__cudaRegisterFunction@PLT
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	call	__cudaRegisterFatBinaryEnd@PLT
	leaq	_ZL26__cudaUnregisterBinaryUtilv(%rip), %rdi
	popq	%rdx
	.cfi_def_cfa_offset 8
	jmp	atexit@PLT
	.cfi_endproc
.LFE3664:
	.size	_ZL24__sti____cudaRegisterAllv, .-_ZL24__sti____cudaRegisterAllv
	.section	.init_array,"aw"
	.align 8
	.quad	_ZL24__sti____cudaRegisterAllv
	.section	.nvFatBinSegment,"aw"
	.align 8
	.type	_ZL15__fatDeviceText, @object
	.size	_ZL15__fatDeviceText, 24
_ZL15__fatDeviceText:
	.long	1180844977
	.long	1
	.quad	fatbinData
	.quad	0
	.local	_ZL20__cudaFatCubinHandle
	.comm	_ZL20__cudaFatCubinHandle,8,8
	.globl	cnt
	.data
	.align 4
	.type	cnt, @object
	.size	cnt, 4
cnt:
	.long	10000
	.section	.rodata.cst4,"aM",@progbits,4
	.align 4
.LC0:
	.long	2139095039
	.ident	"GCC: (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:

#include <iostream>
#include <ctime>
#include <hip/hip_runtime.h>
#include <hip/hip_runtime_api.h>



using namespace std;

void KNearestNeighborsCPU(float3 *dataArray, int *result, int cnt);
__global__ void KNearestNeighborsGPU(float3 *dataArray, int *result, int cnt);

int cnt = 10000;

int main(int argc, char **argv)
{
	clock_t init, end;

	// generate the data
	srand(time(NULL));

	int timt = 0;
	float3 *dataArray = new float3[cnt];
	int *result = new int[cnt];

	for (int i = 0; i < cnt; i++)
	{
		dataArray[i].x = i;
		dataArray[i].y = i;
		dataArray[i].z = i;
	}

	// first check the speed of the algorithm takes on the cpu
	for (int i = 0; i < 10; i++)
	{
		init = clock();
		KNearestNeighborsCPU(dataArray, result, cnt);
		end = clock();
		timt += end - init;

		cout << "Iteration number " << i << " took " << end - init << " milliseconds" << endl;
	}
	cout << "[+] The algorithm on the CPU takes " << timt / 10 << " milliseconds" << endl;
	timt = 0;

	for (int i = 0; i < 10; i++)
		cout << i << " - " << result[i] << endl;

	memset(result, 0, cnt);

	// allocate and copy memory to the gpu
	float3 *deviceData;
	int *deviceResult;

	if (hipMalloc(&deviceData, sizeof(float3)*cnt) != hipSuccess)
	{
		cout << "[+] Unable to allocate GPU memory" << endl;
		return -1;
	}
	if (hipMalloc(&deviceResult, sizeof(int)*cnt) != hipSuccess)
	{
		cout << "[+] Unable to allocate GPU memory" << endl;
		return -2;
	}
	if (hipMemcpy(deviceData, dataArray, sizeof(float3)*cnt, hipMemcpyHostToDevice) != hipSuccess)
	{
		cout << "[+] Error in moving memory to the GPU" << endl;
		return -3;
	}

	// third check the simple implementation speed on the gpu
	for (int i = 0; i < 10; i++)
	{
		init = clock();
		KNearestNeighborsGPU<<< (cnt / 128) + 1, 128 >>>(deviceData, deviceResult, cnt);
		hipMemcpy(result, deviceResult, sizeof(int)*cnt, hipMemcpyDeviceToHost);
		end = clock();
		timt += end - init;

		cout << "Iteration number " << i << " took " << end - init << " milliseconds" << endl;
	}
	cout << "[+] The algorithm on the GPU takes " << timt / 10 << " milliseconds" << endl;
	timt = 0;

	for (int i = 0; i < 10; i++)
		cout << i << " - " << result[i] << endl;

	return 0;
}

// cpu algorithm
void KNearestNeighborsCPU(float3 *dataArray, int *result, int cnt)
{
	for (int i = 0; i < cnt; i++)
	{
		float minimumDist = 3.4028234664e38f, distance = 0;
		for (int j = 0; j < cnt; j++)
		{
			if (i != j)
			{
				distance = (dataArray[i].x - dataArray[j].x) * (dataArray[i].x - dataArray[j].x);
				distance += (dataArray[i].y - dataArray[j].y) * (dataArray[i].y - dataArray[j].y);
				distance += (dataArray[i].z - dataArray[j].z) * (dataArray[i].z - dataArray[j].z);

				if (distance < minimumDist)
				{
					minimumDist = distance;
					result[i] = j;
				}
			}
		}
	}
}

// gpu algorithm
__global__ void KNearestNeighborsGPU(float3 *dataArray, int *result, int cnt)
{
	int id = blockIdx.x * blockDim.x + threadIdx.x;
	if (id >= cnt) return;

	float3 point = dataArray[id], current;
	float minimumDist = 3.4028234664e38f, distance = 0;

	for (int j = 0; j < cnt; j++)
	{
		if (id == j) continue;

		current = dataArray[j];
		distance = (point.x - current.x) * (point.x - current.x);
		distance += (point.y - current.y) * (point.y - current.y);
		distance += (point.z - current.z) * (point.z - current.z);

		if (distance < minimumDist)
		{
			minimumDist = distance;
			result[id] = j;
		}
	}
}
	.text
	.file	"knn.hip"
                                        # Start of file scope inline assembly
	.globl	_ZSt21ios_base_library_initv

                                        # End of file scope inline assembly
	.globl	main                            # -- Begin function main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$24, %rsp
	.cfi_def_cfa_offset 80
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	xorl	%r13d, %r13d
	xorl	%edi, %edi
	callq	time
	movl	%eax, %edi
	callq	srand
	movslq	cnt(%rip), %r15
	movl	$12, %ecx
	movq	%r15, %rax
	mulq	%rcx
	movq	$-1, %rbx
	cmovoq	%rbx, %rax
	movq	%rax, %rdi
	callq	_Znam
	movq	%rax, %r14
	leaq	(,%r15,4), %rdi
	testq	%r15, %r15
	cmovsq	%rbx, %rdi
	callq	_Znam
	movq	%rax, %rbx
	testq	%r15, %r15
	jle	.LBB0_1
# %bb.7:                                # %.lr.ph.preheader
	movl	%r15d, %eax
	leaq	8(%r14), %rcx
	xorl	%edx, %edx
.LBB0_8:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	xorps	%xmm0, %xmm0
	cvtsi2ss	%edx, %xmm0
	movss	%xmm0, -8(%rcx)
	movss	%xmm0, -4(%rcx)
	movss	%xmm0, (%rcx)
	incq	%rdx
	addq	$12, %rcx
	cmpq	%rdx, %rax
	jne	.LBB0_8
.LBB0_1:                                # %.preheader58.preheader
	xorl	%ebp, %ebp
.LBB0_2:                                # %.preheader58
                                        # =>This Inner Loop Header: Depth=1
	callq	clock
	movq	%rax, %r15
	movl	cnt(%rip), %edx
	movq	%r14, %rdi
	movq	%rbx, %rsi
	callq	_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii
	callq	clock
	movq	%rax, %r12
	subq	%r15, %r12
	addl	%r12d, %r13d
	movl	$_ZSt4cout, %edi
	movl	$.L.str, %esi
	movl	$17, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$_ZSt4cout, %edi
	movl	%ebp, %esi
	callq	_ZNSolsEi
	movq	%rax, %r15
	movl	$.L.str.1, %esi
	movl	$6, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	%r15, %rdi
	movq	%r12, %rsi
	callq	_ZNSo9_M_insertIlEERSoT_
	movq	%rax, %r15
	movl	$.L.str.2, %esi
	movl	$13, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	(%r15), %rax
	movq	-24(%rax), %rdi
	addq	%r15, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%r15, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	incl	%ebp
	cmpl	$10, %ebp
	jne	.LBB0_2
# %bb.3:
	movl	$_ZSt4cout, %edi
	movl	$.L.str.3, %esi
	movl	$35, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movslq	%r13d, %rax
	imulq	$1717986919, %rax, %rsi         # imm = 0x66666667
	movq	%rsi, %rax
	shrq	$63, %rax
	sarq	$34, %rsi
	addl	%eax, %esi
	movl	$_ZSt4cout, %edi
                                        # kill: def $esi killed $esi killed $rsi
	callq	_ZNSolsEi
	movq	%rax, %r15
	movl	$.L.str.2, %esi
	movl	$13, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	(%r15), %rax
	movq	-24(%rax), %rdi
	addq	%r15, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%r15, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	xorl	%r15d, %r15d
.LBB0_4:                                # =>This Inner Loop Header: Depth=1
	movl	$_ZSt4cout, %edi
	movl	%r15d, %esi
	callq	_ZNSolsEi
	movq	%rax, %r12
	movl	$.L.str.4, %esi
	movl	$3, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	(%rbx,%r15,4), %esi
	movq	%r12, %rdi
	callq	_ZNSolsEi
	movq	%rax, %r12
	movq	(%rax), %rax
	movq	-24(%rax), %rdi
	addq	%r12, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%r12, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	incq	%r15
	cmpq	$10, %r15
	jne	.LBB0_4
# %bb.5:
	movslq	cnt(%rip), %r15
	movq	%rbx, %rdi
	xorl	%esi, %esi
	movq	%r15, %rdx
	callq	memset@PLT
	shlq	$2, %r15
	leaq	(%r15,%r15,2), %rsi
	leaq	16(%rsp), %rdi
	callq	hipMalloc
	testl	%eax, %eax
	je	.LBB0_9
# %bb.6:
	movl	$_ZSt4cout, %edi
	movl	$.L.str.5, %esi
	movl	$33, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$-1, %r14d
	jmp	.LBB0_19
.LBB0_9:
	movslq	cnt(%rip), %rsi
	shlq	$2, %rsi
	leaq	8(%rsp), %rdi
	callq	hipMalloc
	testl	%eax, %eax
	je	.LBB0_11
# %bb.10:
	movl	$_ZSt4cout, %edi
	movl	$.L.str.5, %esi
	movl	$33, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$-2, %r14d
	jmp	.LBB0_19
.LBB0_11:
	movq	16(%rsp), %rdi
	movslq	cnt(%rip), %rax
	shlq	$2, %rax
	leaq	(%rax,%rax,2), %rdx
	movq	%r14, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	je	.LBB0_12
# %bb.18:
	movl	$_ZSt4cout, %edi
	movl	$.L.str.6, %esi
	movl	$37, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$-3, %r14d
.LBB0_19:                               # %.loopexit.sink.split
	movq	_ZSt4cout(%rip), %rax
	movl	$_ZSt4cout, %ecx
	movq	-24(%rax), %rdi
	addq	%rcx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cout, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
.LBB0_20:                               # %.loopexit
	movl	%r14d, %eax
	addq	$24, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.LBB0_12:                               # %.preheader.preheader
	.cfi_def_cfa_offset 80
	xorl	%r13d, %r13d
	movabsq	$4294967296, %rax               # imm = 0x100000000
	leaq	128(%rax), %r14
	xorl	%ebp, %ebp
.LBB0_13:                               # %.preheader
                                        # =>This Inner Loop Header: Depth=1
	callq	clock
	movl	cnt(%rip), %ecx
	leal	127(%rcx), %edi
	testl	%ecx, %ecx
	cmovnsl	%ecx, %edi
	movq	%rax, %r15
	sarl	$7, %edi
	incl	%edi
	movabsq	$4294967296, %rax               # imm = 0x100000000
	orq	%rax, %rdi
	movl	$1, %esi
	movq	%r14, %rdx
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB0_15
# %bb.14:                               #   in Loop: Header=BB0_13 Depth=1
	movq	16(%rsp), %rdi
	movq	8(%rsp), %rsi
	movl	cnt(%rip), %edx
	callq	_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
.LBB0_15:                               #   in Loop: Header=BB0_13 Depth=1
	movq	8(%rsp), %rsi
	movslq	cnt(%rip), %rdx
	shlq	$2, %rdx
	movq	%rbx, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	callq	clock
	movq	%rax, %r12
	subq	%r15, %r12
	addl	%r12d, %r13d
	movl	$_ZSt4cout, %edi
	movl	$.L.str, %esi
	movl	$17, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$_ZSt4cout, %edi
	movl	%ebp, %esi
	callq	_ZNSolsEi
	movq	%rax, %r15
	movl	$.L.str.1, %esi
	movl	$6, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	%r15, %rdi
	movq	%r12, %rsi
	callq	_ZNSo9_M_insertIlEERSoT_
	movq	%rax, %r15
	movl	$.L.str.2, %esi
	movl	$13, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	(%r15), %rax
	movq	-24(%rax), %rdi
	addq	%r15, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%r15, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	incl	%ebp
	cmpl	$10, %ebp
	jne	.LBB0_13
# %bb.16:
	movl	$_ZSt4cout, %edi
	movl	$.L.str.7, %esi
	movl	$35, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movslq	%r13d, %rax
	imulq	$1717986919, %rax, %rsi         # imm = 0x66666667
	movq	%rsi, %rax
	shrq	$63, %rax
	sarq	$34, %rsi
	addl	%eax, %esi
	movl	$_ZSt4cout, %edi
                                        # kill: def $esi killed $esi killed $rsi
	callq	_ZNSolsEi
	movq	%rax, %r14
	movl	$.L.str.2, %esi
	movl	$13, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	(%r14), %rax
	movq	-24(%rax), %rdi
	addq	%r14, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%r14, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	xorl	%r14d, %r14d
	xorl	%r15d, %r15d
.LBB0_17:                               # =>This Inner Loop Header: Depth=1
	movl	$_ZSt4cout, %edi
	movl	%r15d, %esi
	callq	_ZNSolsEi
	movq	%rax, %r12
	movl	$.L.str.4, %esi
	movl	$3, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	(%rbx,%r15,4), %esi
	movq	%r12, %rdi
	callq	_ZNSolsEi
	movq	%rax, %r12
	movq	(%rax), %rax
	movq	-24(%rax), %rdi
	addq	%r12, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%r12, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	incq	%r15
	cmpq	$10, %r15
	jne	.LBB0_17
	jmp	.LBB0_20
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function _Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii
.LCPI1_0:
	.long	0x7f7fffff                      # float 3.40282347E+38
	.text
	.globl	_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii
	.type	_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii,@function
_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii: # @_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii
	.cfi_startproc
# %bb.0:
	testl	%edx, %edx
	jle	.LBB1_8
# %bb.1:                                # %.preheader.lr.ph
	movl	%edx, %eax
	leaq	8(%rdi), %rcx
	xorl	%edx, %edx
	movss	.LCPI1_0(%rip), %xmm0           # xmm0 = mem[0],zero,zero,zero
.LBB1_2:                                # %.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB1_3 Depth 2
	leaq	(%rdx,%rdx,2), %r8
	leaq	(%rdi,%r8,4), %r8
	movq	%rcx, %r9
	xorl	%r10d, %r10d
	movaps	%xmm0, %xmm1
.LBB1_3:                                #   Parent Loop BB1_2 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	cmpq	%r10, %rdx
	je	.LBB1_6
# %bb.4:                                #   in Loop: Header=BB1_3 Depth=2
	movss	(%r8), %xmm2                    # xmm2 = mem[0],zero,zero,zero
	movss	4(%r8), %xmm3                   # xmm3 = mem[0],zero,zero,zero
	subss	-8(%r9), %xmm2
	mulss	%xmm2, %xmm2
	subss	-4(%r9), %xmm3
	mulss	%xmm3, %xmm3
	addss	%xmm2, %xmm3
	movss	8(%r8), %xmm2                   # xmm2 = mem[0],zero,zero,zero
	subss	(%r9), %xmm2
	mulss	%xmm2, %xmm2
	addss	%xmm3, %xmm2
	ucomiss	%xmm2, %xmm1
	jbe	.LBB1_6
# %bb.5:                                #   in Loop: Header=BB1_3 Depth=2
	movl	%r10d, (%rsi,%rdx,4)
	movaps	%xmm2, %xmm1
.LBB1_6:                                #   in Loop: Header=BB1_3 Depth=2
	incq	%r10
	addq	$12, %r9
	cmpq	%r10, %rax
	jne	.LBB1_3
# %bb.7:                                # %._crit_edge
                                        #   in Loop: Header=BB1_2 Depth=1
	incq	%rdx
	cmpq	%rax, %rdx
	jne	.LBB1_2
.LBB1_8:                                # %._crit_edge46
	retq
.Lfunc_end1:
	.size	_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii, .Lfunc_end1-_Z20KNearestNeighborsCPUP15HIP_vector_typeIfLj3EEPii
	.cfi_endproc
                                        # -- End function
	.globl	_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii # -- Begin function _Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.type	_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii,@function
_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii: # @_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%r13
	.cfi_def_cfa_offset 32
	pushq	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$112, %rsp
	.cfi_def_cfa_offset 160
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	leaq	40(%rsp), %rax
	movq	%rdi, (%rax)
	leaq	32(%rsp), %rcx
	movq	%rsi, (%rcx)
	leaq	12(%rsp), %rsi
	movl	%edx, (%rsi)
	leaq	80(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	movq	%rsi, 16(%rbx)
	leaq	64(%rsp), %r14
	leaq	48(%rsp), %r15
	leaq	24(%rsp), %r12
	leaq	16(%rsp), %r13
	movq	%r14, %rdi
	movq	%r15, %rsi
	movq	%r12, %rdx
	movq	%r13, %rcx
	callq	__hipPopCallConfiguration
	movq	(%r14), %rsi
	movl	8(%r14), %edx
	movq	(%r15), %rcx
	movl	8(%r15), %r8d
	movl	$_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii, %edi
	movq	%rbx, %r9
	pushq	(%r13)
	.cfi_adjust_cfa_offset 8
	pushq	(%r12)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$128, %rsp
	.cfi_adjust_cfa_offset -128
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end2:
	.size	_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii, .Lfunc_end2-_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_ctor
	.type	__hip_module_ctor,@function
__hip_module_ctor:                      # @__hip_module_ctor
	.cfi_startproc
# %bb.0:
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	jne	.LBB3_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB3_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii, %esi
	movl	$.L__unnamed_1, %edx
	movl	$.L__unnamed_1, %ecx
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	movl	$__hip_module_dtor, %edi
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	jmp	atexit                          # TAILCALL
.Lfunc_end3:
	.size	__hip_module_ctor, .Lfunc_end3-__hip_module_ctor
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_dtor
	.type	__hip_module_dtor,@function
__hip_module_dtor:                      # @__hip_module_dtor
	.cfi_startproc
# %bb.0:
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	je	.LBB4_2
# %bb.1:
	pushq	%rax
	.cfi_def_cfa_offset 16
	callq	__hipUnregisterFatBinary
	movq	$0, __hip_gpubin_handle(%rip)
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
.LBB4_2:
	retq
.Lfunc_end4:
	.size	__hip_module_dtor, .Lfunc_end4-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	cnt,@object                     # @cnt
	.data
	.globl	cnt
	.p2align	2, 0x0
cnt:
	.long	10000                           # 0x2710
	.size	cnt, 4

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"Iteration number "
	.size	.L.str, 18

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	" took "
	.size	.L.str.1, 7

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	" milliseconds"
	.size	.L.str.2, 14

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"[+] The algorithm on the CPU takes "
	.size	.L.str.3, 36

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	" - "
	.size	.L.str.4, 4

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"[+] Unable to allocate GPU memory"
	.size	.L.str.5, 34

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"[+] Error in moving memory to the GPU"
	.size	.L.str.6, 38

	.type	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii,@object # @_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.section	.rodata,"a",@progbits
	.globl	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.p2align	3, 0x0
_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii:
	.quad	_Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.size	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii, 8

	.type	.L.str.7,@object                # @.str.7
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str.7:
	.asciz	"[+] The algorithm on the GPU takes "
	.size	.L.str.7, 36

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii"
	.size	.L__unnamed_1, 53

	.type	__hip_fatbin_wrapper,@object    # @__hip_fatbin_wrapper
	.section	.hipFatBinSegment,"a",@progbits
	.p2align	3, 0x0
__hip_fatbin_wrapper:
	.long	1212764230                      # 0x48495046
	.long	1                               # 0x1
	.quad	__hip_fatbin
	.quad	0
	.size	__hip_fatbin_wrapper, 24

	.type	__hip_gpubin_handle,@object     # @__hip_gpubin_handle
	.local	__hip_gpubin_handle
	.comm	__hip_gpubin_handle,8,8
	.section	.init_array,"aw",@init_array
	.p2align	3, 0x0
	.quad	__hip_module_ctor
	.type	__hip_cuid_,@object             # @__hip_cuid_
	.bss
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               # 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym _Z35__device_stub__KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _ZSt4cout
	.addrsig_sym _Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii ; -- Begin function _Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.globl	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
	.p2align	8
	.type	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii,@function
_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii: ; @_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
; %bb.0:
	s_clause 0x1
	s_load_b32 s3, s[0:1], 0x24
	s_load_b32 s2, s[0:1], 0x10
	s_waitcnt lgkmcnt(0)
	s_and_b32 s3, s3, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[3:4], null, s15, s3, v[0:1]
	s_mov_b32 s3, exec_lo
	v_cmpx_gt_i32_e64 s2, v3
	s_cbranch_execz .LBB0_8
; %bb.1:
	s_cmp_lt_i32 s2, 1
	s_cbranch_scc1 .LBB0_8
; %bb.2:                                ; %.lr.ph
	s_load_b128 s[4:7], s[0:1], 0x0
	v_ashrrev_i32_e32 v4, 31, v3
	v_dual_mov_b32 v7, 0x7f7fffff :: v_dual_mov_b32 v6, 0
	s_mov_b32 s3, 0
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_2) | instid1(VALU_DEP_2)
	v_lshlrev_b64 v[4:5], 2, v[3:4]
	s_waitcnt lgkmcnt(0)
	v_mad_i64_i32 v[0:1], null, v3, 12, s[4:5]
	v_add_co_u32 v4, vcc_lo, s6, v4
	s_delay_alu instid0(VALU_DEP_3)
	v_add_co_ci_u32_e32 v5, vcc_lo, s7, v5, vcc_lo
	s_add_u32 s0, s4, 4
	s_addc_u32 s1, s5, 0
	global_load_b96 v[0:2], v[0:1], off
.LBB0_3:                                ; =>This Inner Loop Header: Depth=1
	s_mov_b32 s4, exec_lo
	v_cmpx_ne_u32_e64 s3, v3
	s_cbranch_execz .LBB0_7
; %bb.4:                                ;   in Loop: Header=BB0_3 Depth=1
	global_load_b96 v[8:10], v6, s[0:1] offset:-4
	s_mov_b32 s5, exec_lo
	s_waitcnt vmcnt(0)
	v_sub_f32_e32 v11, v0, v8
	v_sub_f32_e32 v9, v1, v9
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_dual_mul_f32 v8, v9, v9 :: v_dual_sub_f32 v9, v2, v10
	v_fmac_f32_e32 v8, v11, v11
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_fmac_f32_e32 v8, v9, v9
	v_cmpx_lt_f32_e32 v8, v7
	s_cbranch_execz .LBB0_6
; %bb.5:                                ;   in Loop: Header=BB0_3 Depth=1
	v_mov_b32_e32 v9, s3
	v_mov_b32_e32 v7, v8
	global_store_b32 v[4:5], v9, off
.LBB0_6:                                ; %Flow
                                        ;   in Loop: Header=BB0_3 Depth=1
	s_or_b32 exec_lo, exec_lo, s5
.LBB0_7:                                ;   in Loop: Header=BB0_3 Depth=1
	s_delay_alu instid0(SALU_CYCLE_1)
	s_or_b32 exec_lo, exec_lo, s4
	s_add_i32 s3, s3, 1
	s_add_u32 s0, s0, 12
	s_addc_u32 s1, s1, 0
	s_cmp_lg_u32 s2, s3
	s_cbranch_scc1 .LBB0_3
.LBB0_8:                                ; %.loopexit
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 280
		.amdhsa_user_sgpr_count 15
		.amdhsa_user_sgpr_dispatch_ptr 0
		.amdhsa_user_sgpr_queue_ptr 0
		.amdhsa_user_sgpr_kernarg_segment_ptr 1
		.amdhsa_user_sgpr_dispatch_id 0
		.amdhsa_user_sgpr_private_segment_size 0
		.amdhsa_wavefront_size32 1
		.amdhsa_uses_dynamic_stack 0
		.amdhsa_enable_private_segment 0
		.amdhsa_system_sgpr_workgroup_id_x 1
		.amdhsa_system_sgpr_workgroup_id_y 0
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 0
		.amdhsa_next_free_vgpr 12
		.amdhsa_next_free_sgpr 16
		.amdhsa_float_round_mode_32 0
		.amdhsa_float_round_mode_16_64 0
		.amdhsa_float_denorm_mode_32 3
		.amdhsa_float_denorm_mode_16_64 3
		.amdhsa_dx10_clamp 1
		.amdhsa_ieee_mode 1
		.amdhsa_fp16_overflow 0
		.amdhsa_workgroup_processor_mode 1
		.amdhsa_memory_ordered 1
		.amdhsa_forward_progress 0
		.amdhsa_shared_vgpr_count 0
		.amdhsa_exception_fp_ieee_invalid_op 0
		.amdhsa_exception_fp_denorm_src 0
		.amdhsa_exception_fp_ieee_div_zero 0
		.amdhsa_exception_fp_ieee_overflow 0
		.amdhsa_exception_fp_ieee_underflow 0
		.amdhsa_exception_fp_ieee_inexact 0
		.amdhsa_exception_int_div_zero 0
	.end_amdhsa_kernel
	.text
.Lfunc_end0:
	.size	_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii, .Lfunc_end0-_Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 284
; NumSgprs: 18
; NumVgprs: 12
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 1
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 12
; Occupancy: 16
; WaveLimiterHint : 0
; COMPUTE_PGM_RSRC2:SCRATCH_EN: 0
; COMPUTE_PGM_RSRC2:USER_SGPR: 15
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 0
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 0
	.text
	.p2alignl 7, 3214868480
	.fill 96, 4, 3214868480
	.type	__hip_cuid_,@object             ; @__hip_cuid_
	.section	.bss,"aw",@nobits
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               ; 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym __hip_cuid_
	.amdgpu_metadata
---
amdhsa.kernels:
  - .args:
      - .address_space:  global
        .offset:         0
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         8
        .size:           8
        .value_kind:     global_buffer
      - .offset:         16
        .size:           4
        .value_kind:     by_value
      - .offset:         24
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         28
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         36
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         38
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         40
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         42
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         44
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         46
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         64
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         88
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 280
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z20KNearestNeighborsGPUP15HIP_vector_typeIfLj3EEPii.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     12
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
