#include <iostream>
#include <chrono>       /* time manipulation */

const int LENGTH{1 << 30};
const int MAX_VAL{1 << 4};

/**
 * @description: kernel definition
 * @param {float*} x: vector x
 * @param {float*} y: vector y
 * @param {float*} z: vector z, the addition of x and y
 * @param {int} length: the length of vectors
 */
__global__ void add_vectors(float* x, float* y, float* z, int length) {

    int tid = blockIdx.x * blockDim.x + threadIdx.x;
    if ( tid < length ) {
        z[tid] = x[tid] + y[tid];
    }

}

/**
 * @description: initialize vectors
 * @param {float*} x: vector x
 * @param {float*} y: vector y
 * @param {float*} z: vector z
 * @param {float*} z_from_cuda: vector z_from_cuda
 * @param {int} length: the length of vectors
 */
void initialize(float* x, float* y, float* z, float* z_from_cuda, int length) {
    srand(1);
    for ( int i = 0; i < length; i++ ) {
        x[i] = rand() % MAX_VAL;
        y[i] = rand() % MAX_VAL;
        z[i] = 0;
        z_from_cuda[i] = 0;
    }
}

/**
 * @description: sequential version of vector addition
 * @param {float*} x: vector x
 * @param {float*} y: vector y
 * @param {float*} z: vector z
 * @param {int} length: the length of vectors
 */
void sequential_add_vectors(float* x, float* y, float* z, int length) {
    for ( int i = 0; i < length; i++ ) {
        z[i] = x[i] + y[i];
    }
}

/**
 * @description: validate results from sequential version and parallel version
 * @param {float*} h_z: vector h_z
 * @param {float*} h_z_from_cuda: vector h_z_from_cuda
 * @param {int} length: the length of vectors
 */
void validate_result(float* h_z, float* h_z_from_cuda, int length){
    for ( int i = 0; i < length; i++ ) {
        if ( h_z_from_cuda[i] != h_z[i] ){
            std::cout << "False" << std::endl;
            return;
        }
    }
    
    std::cout << "True" << std::endl;
}


int main() {
    
    std::chrono::steady_clock::time_point start_time_cuda;
    std::chrono::steady_clock::time_point end_time_cuda;
    std::chrono::duration<double> duration_cuda;
    std::chrono::steady_clock::time_point start_time;
    std::chrono::steady_clock::time_point end_time;
    std::chrono::duration<double> duration;
    double t1;
    double tp;

     // set the ID of the CUDA device
    cudaSetDevice(0);

    // create local data objects
    float* h_x = new float[LENGTH];
    float* h_y = new float[LENGTH];
    float* h_z = new float[LENGTH];
    float* h_z_from_cuda = new float[LENGTH];

    initialize(h_x, h_y, h_z, h_z_from_cuda, LENGTH);

    std::cout << "Running sequential version: " << std::endl;
    start_time = std::chrono::steady_clock::now();

    sequential_add_vectors(h_x, h_y, h_z, LENGTH);

    end_time = std::chrono::steady_clock::now();
    duration = end_time - start_time; 
    t1 = duration.count();
    std::cout << "Time: " << t1 << std::endl;
   
    // cuda version
    const int threadsPerBlock = 1024;
    const int numOfBlocks = (LENGTH + threadsPerBlock - 1) / threadsPerBlock;

    size_t size = LENGTH * sizeof(float);

    float* d_x;
    float* d_y;
    float* d_z;

    cudaMalloc(&d_x, size);
    cudaMalloc(&d_y, size);
    cudaMalloc(&d_z, size);

    
    std::cout << "Running cuda version: " << std::endl;
    start_time_cuda = std::chrono::steady_clock::now();

    // Copy vectors from host memory to device memory
    cudaMemcpy(d_x, h_x, size, cudaMemcpyHostToDevice);
    cudaMemcpy(d_y, h_y, size, cudaMemcpyHostToDevice);

    // cuda operation
    add_vectors<<<numOfBlocks, threadsPerBlock>>>(d_x, d_y, d_z, LENGTH);

    // Copy result from device memory to host memory
    cudaMemcpy(h_z_from_cuda, d_z, size, cudaMemcpyDeviceToHost);

    end_time_cuda = std::chrono::steady_clock::now();
    duration_cuda = end_time_cuda - start_time_cuda;
    tp = duration_cuda.count();
    std::cout << "Time: " << tp << std::endl;

    // free device memory
    cudaFree(d_x);
    cudaFree(d_y);
    cudaFree(d_z);
    
    // synchronize the GPU preventing premature termination
    cudaDeviceSynchronize();

    validate_result(h_z, h_z_from_cuda, LENGTH);

    // free host memory
    delete[] h_z_from_cuda;
    delete[] h_z;
    delete[] h_x;
    delete[] h_y;

    double speedup = t1 / tp;
    double efficiency = speedup / (numOfBlocks * threadsPerBlock);
    std::cout << "speedup: " << speedup << std::endl;
    std::cout << "efficiency: " << efficiency << std::endl;

    return 0;
}


	.file	"tmpxft_002e55c2_00000000-6_two_sum.cudafe1.cpp"
	.text
#APP
	.globl _ZSt21ios_base_library_initv

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB3748:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE3748:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.align 2
	.type	_ZNSolsEPFRSoS_E.isra.0, @function
_ZNSolsEPFRSoS_E.isra.0:
.LFB4458:
	.cfi_startproc
	jmp	*%rsi
	.cfi_endproc
.LFE4458:
	.size	_ZNSolsEPFRSoS_E.isra.0, .-_ZNSolsEPFRSoS_E.isra.0
	.globl	_Z10initializePfS_S_S_i
	.type	_Z10initializePfS_S_S_i, @function
_Z10initializePfS_S_S_i:
.LFB3734:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	movq	%rcx, %r15
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	movq	%rdx, %r14
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	movq	%rsi, %r13
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	movq	%rdi, %r12
	movl	$1, %edi
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	xorl	%ebp, %ebp
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	movl	$16, %ebx
	subq	$24, %rsp
	.cfi_def_cfa_offset 80
	movl	%r8d, 12(%rsp)
	call	srand@PLT
.L4:
	cmpl	%ebp, 12(%rsp)
	jle	.L8
	call	rand@PLT
	cltd
	idivl	%ebx
	cvtsi2ssl	%edx, %xmm0
	movss	%xmm0, (%r12,%rbp,4)
	call	rand@PLT
	cltd
	idivl	%ebx
	cvtsi2ssl	%edx, %xmm0
	movss	%xmm0, 0(%r13,%rbp,4)
	movl	$0x00000000, (%r14,%rbp,4)
	movl	$0x00000000, (%r15,%rbp,4)
	incq	%rbp
	jmp	.L4
.L8:
	addq	$24, %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
.LFE3734:
	.size	_Z10initializePfS_S_S_i, .-_Z10initializePfS_S_S_i
	.globl	_Z22sequential_add_vectorsPfS_S_i
	.type	_Z22sequential_add_vectorsPfS_S_i, @function
_Z22sequential_add_vectorsPfS_S_i:
.LFB3735:
	.cfi_startproc
	endbr64
	xorl	%eax, %eax
.L10:
	cmpl	%eax, %ecx
	jle	.L12
	movss	(%rdi,%rax,4), %xmm0
	addss	(%rsi,%rax,4), %xmm0
	movss	%xmm0, (%rdx,%rax,4)
	incq	%rax
	jmp	.L10
.L12:
	ret
	.cfi_endproc
.LFE3735:
	.size	_Z22sequential_add_vectorsPfS_S_i, .-_Z22sequential_add_vectorsPfS_S_i
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"False"
.LC2:
	.string	"True"
	.text
	.globl	_Z15validate_resultPfS_i
	.type	_Z15validate_resultPfS_i, @function
_Z15validate_resultPfS_i:
.LFB3736:
	.cfi_startproc
	endbr64
	pushq	%rcx
	.cfi_def_cfa_offset 16
	xorl	%eax, %eax
.L14:
	cmpl	%eax, %edx
	jle	.L21
	movss	(%rsi,%rax,4), %xmm0
	incq	%rax
	ucomiss	-4(%rdi,%rax,4), %xmm0
	jp	.L17
	je	.L14
.L17:
	leaq	.LC1(%rip), %rsi
	jmp	.L20
.L21:
	leaq	.LC2(%rip), %rsi
.L20:
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	popq	%rax
	.cfi_def_cfa_offset 8
	jmp	_ZNSolsEPFRSoS_E.isra.0
	.cfi_endproc
.LFE3736:
	.size	_Z15validate_resultPfS_i, .-_Z15validate_resultPfS_i
	.globl	_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i
	.type	_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i, @function
_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i:
.LFB3770:
	.cfi_startproc
	endbr64
	subq	$152, %rsp
	.cfi_def_cfa_offset 160
	movq	%rdi, 24(%rsp)
	leaq	56(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	68(%rsp), %rsi
	movq	%rdx, 8(%rsp)
	leaq	40(%rsp), %rdx
	movl	%ecx, 4(%rsp)
	leaq	48(%rsp), %rcx
	movq	%fs:40, %rax
	movq	%rax, 136(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 64(%rsp)
	movq	%rax, 104(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 128(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 56(%rsp)
	movq	%rax, 68(%rsp)
	movl	$1, 76(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L22
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z11add_vectorsPfS_S_i(%rip), %rdi
	pushq	48(%rsp)
	.cfi_def_cfa_offset 176
	movq	84(%rsp), %rcx
	movl	92(%rsp), %r8d
	movq	72(%rsp), %rsi
	movl	80(%rsp), %edx
	leaq	120(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 168
	popq	%rdx
	.cfi_def_cfa_offset 160
.L22:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L24
	call	__stack_chk_fail@PLT
.L24:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE3770:
	.size	_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i, .-_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i
	.globl	_Z11add_vectorsPfS_S_i
	.type	_Z11add_vectorsPfS_S_i, @function
_Z11add_vectorsPfS_S_i:
.LFB3771:
	.cfi_startproc
	endbr64
	jmp	_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i
	.cfi_endproc
.LFE3771:
	.size	_Z11add_vectorsPfS_S_i, .-_Z11add_vectorsPfS_S_i
	.section	.rodata.str1.1
.LC3:
	.string	"Running sequential version: "
.LC5:
	.string	"Time: "
.LC6:
	.string	"Running cuda version: "
.LC8:
	.string	"speedup: "
.LC9:
	.string	"efficiency: "
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB3737:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	xorl	%edi, %edi
	leaq	.LC5(%rip), %r15
	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
	movl	$1, %ebx
	salq	$32, %rbx
	subq	$104, %rsp
	.cfi_def_cfa_offset 160
	movq	%fs:40, %rax
	movq	%rax, 88(%rsp)
	xorl	%eax, %eax
	call	cudaSetDevice@PLT
	movq	%rbx, %rdi
	call	_Znam@PLT
	movq	%rbx, %rdi
	movq	%rax, %rbp
	call	_Znam@PLT
	movq	%rbx, %rdi
	movq	%rax, 8(%rsp)
	call	_Znam@PLT
	movq	%rbx, %rdi
	movq	%rax, %r12
	call	_Znam@PLT
	movq	8(%rsp), %rsi
	movq	%r12, %rdx
	movq	%rbp, %rdi
	movl	$1073741824, %r8d
	movq	%rax, %rcx
	movq	%rax, %r13
	call	_Z10initializePfS_S_S_i
	leaq	.LC3(%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
	call	_ZNSt6chrono3_V212steady_clock3nowEv@PLT
	movq	8(%rsp), %rsi
	movq	%r12, %rdx
	movq	%rbp, %rdi
	movl	$1073741824, %ecx
	movq	%rax, %r14
	call	_Z22sequential_add_vectorsPfS_S_i
	call	_ZNSt6chrono3_V212steady_clock3nowEv@PLT
	movq	%r15, %rsi
	leaq	_ZSt4cout(%rip), %rdi
	subq	%r14, %rax
	cvtsi2sdq	%rax, %xmm0
	divsd	.LC4(%rip), %xmm0
	movsd	%xmm0, 16(%rsp)
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movsd	16(%rsp), %xmm0
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	leaq	40(%rsp), %rdi
	movq	%rbx, %rsi
	call	cudaMalloc@PLT
	leaq	48(%rsp), %rdi
	movq	%rbx, %rsi
	call	cudaMalloc@PLT
	leaq	56(%rsp), %rdi
	movq	%rbx, %rsi
	call	cudaMalloc@PLT
	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
	call	_ZNSt6chrono3_V212steady_clock3nowEv@PLT
	movq	40(%rsp), %rdi
	movq	%rbx, %rdx
	movq	%rbp, %rsi
	movl	$1, %ecx
	movq	%rax, %r14
	call	cudaMemcpy@PLT
	movq	8(%rsp), %rsi
	movq	48(%rsp), %rdi
	movq	%rbx, %rdx
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movl	$4194305, %edx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movl	$4097, %edi
	salq	$10, %rdx
	movl	$1, %ecx
	movl	$1, %esi
	salq	$20, %rdi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L28
	movq	56(%rsp), %rdx
	movq	48(%rsp), %rsi
	movl	$1073741824, %ecx
	movq	40(%rsp), %rdi
	call	_Z36__device_stub__Z11add_vectorsPfS_S_iPfS_S_i
.L28:
	movq	56(%rsp), %rsi
	movl	$1, %edx
	movl	$2, %ecx
	movq	%r13, %rdi
	salq	$32, %rdx
	call	cudaMemcpy@PLT
	call	_ZNSt6chrono3_V212steady_clock3nowEv@PLT
	movq	%r15, %rsi
	leaq	_ZSt4cout(%rip), %rdi
	subq	%r14, %rax
	cvtsi2sdq	%rax, %xmm0
	divsd	.LC4(%rip), %xmm0
	movsd	%xmm0, 24(%rsp)
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movsd	24(%rsp), %xmm0
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	movq	40(%rsp), %rdi
	call	cudaFree@PLT
	movq	48(%rsp), %rdi
	call	cudaFree@PLT
	movq	56(%rsp), %rdi
	call	cudaFree@PLT
	call	cudaDeviceSynchronize@PLT
	movl	$1073741824, %edx
	movq	%r13, %rsi
	movq	%r12, %rdi
	call	_Z15validate_resultPfS_i
	movq	%r13, %rdi
	call	_ZdaPv@PLT
	movq	%r12, %rdi
	call	_ZdaPv@PLT
	movq	%rbp, %rdi
	call	_ZdaPv@PLT
	movq	8(%rsp), %rdi
	call	_ZdaPv@PLT
	movsd	16(%rsp), %xmm0
	divsd	24(%rsp), %xmm0
	movaps	%xmm0, %xmm1
	mulsd	.LC7(%rip), %xmm1
	leaq	.LC8(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	movsd	%xmm0, 8(%rsp)
	movq	%xmm1, %rbx
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movsd	8(%rsp), %xmm0
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	leaq	.LC9(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	%rbx, %xmm0
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	movq	88(%rsp), %rax
	subq	%fs:40, %rax
	je	.L29
	call	__stack_chk_fail@PLT
.L29:
	addq	$104, %rsp
	.cfi_def_cfa_offset 56
	xorl	%eax, %eax
	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
.LFE3737:
	.size	main, .-main
	.section	.rodata.str1.1
.LC10:
	.string	"_Z11add_vectorsPfS_S_i"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB3773:
	.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	.LC10(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z11add_vectorsPfS_S_i(%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
.LFE3773:
	.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
	.section	.rodata.cst8,"aM",@progbits,8
	.align 8
.LC4:
	.long	0
	.long	1104006501
	.align 8
.LC7:
	.long	0
	.long	1041235968
	.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 <hip/hip_runtime.h>
#include <iostream>
#include <chrono>       /* time manipulation */

const int LENGTH{1 << 30};
const int MAX_VAL{1 << 4};

/**
 * @description: kernel definition
 * @param {float*} x: vector x
 * @param {float*} y: vector y
 * @param {float*} z: vector z, the addition of x and y
 * @param {int} length: the length of vectors
 */
__global__ void add_vectors(float* x, float* y, float* z, int length) {

    int tid = blockIdx.x * blockDim.x + threadIdx.x;
    if ( tid < length ) {
        z[tid] = x[tid] + y[tid];
    }

}

/**
 * @description: initialize vectors
 * @param {float*} x: vector x
 * @param {float*} y: vector y
 * @param {float*} z: vector z
 * @param {float*} z_from_cuda: vector z_from_cuda
 * @param {int} length: the length of vectors
 */
void initialize(float* x, float* y, float* z, float* z_from_cuda, int length) {
    srand(1);
    for ( int i = 0; i < length; i++ ) {
        x[i] = rand() % MAX_VAL;
        y[i] = rand() % MAX_VAL;
        z[i] = 0;
        z_from_cuda[i] = 0;
    }
}

/**
 * @description: sequential version of vector addition
 * @param {float*} x: vector x
 * @param {float*} y: vector y
 * @param {float*} z: vector z
 * @param {int} length: the length of vectors
 */
void sequential_add_vectors(float* x, float* y, float* z, int length) {
    for ( int i = 0; i < length; i++ ) {
        z[i] = x[i] + y[i];
    }
}

/**
 * @description: validate results from sequential version and parallel version
 * @param {float*} h_z: vector h_z
 * @param {float*} h_z_from_cuda: vector h_z_from_cuda
 * @param {int} length: the length of vectors
 */
void validate_result(float* h_z, float* h_z_from_cuda, int length){
    for ( int i = 0; i < length; i++ ) {
        if ( h_z_from_cuda[i] != h_z[i] ){
            std::cout << "False" << std::endl;
            return;
        }
    }
    
    std::cout << "True" << std::endl;
}


int main() {
    
    std::chrono::steady_clock::time_point start_time_cuda;
    std::chrono::steady_clock::time_point end_time_cuda;
    std::chrono::duration<double> duration_cuda;
    std::chrono::steady_clock::time_point start_time;
    std::chrono::steady_clock::time_point end_time;
    std::chrono::duration<double> duration;
    double t1;
    double tp;

     // set the ID of the CUDA device
    hipSetDevice(0);

    // create local data objects
    float* h_x = new float[LENGTH];
    float* h_y = new float[LENGTH];
    float* h_z = new float[LENGTH];
    float* h_z_from_cuda = new float[LENGTH];

    initialize(h_x, h_y, h_z, h_z_from_cuda, LENGTH);

    std::cout << "Running sequential version: " << std::endl;
    start_time = std::chrono::steady_clock::now();

    sequential_add_vectors(h_x, h_y, h_z, LENGTH);

    end_time = std::chrono::steady_clock::now();
    duration = end_time - start_time; 
    t1 = duration.count();
    std::cout << "Time: " << t1 << std::endl;
   
    // cuda version
    const int threadsPerBlock = 1024;
    const int numOfBlocks = (LENGTH + threadsPerBlock - 1) / threadsPerBlock;

    size_t size = LENGTH * sizeof(float);

    float* d_x;
    float* d_y;
    float* d_z;

    hipMalloc(&d_x, size);
    hipMalloc(&d_y, size);
    hipMalloc(&d_z, size);

    
    std::cout << "Running cuda version: " << std::endl;
    start_time_cuda = std::chrono::steady_clock::now();

    // Copy vectors from host memory to device memory
    hipMemcpy(d_x, h_x, size, hipMemcpyHostToDevice);
    hipMemcpy(d_y, h_y, size, hipMemcpyHostToDevice);

    // cuda operation
    add_vectors<<<numOfBlocks, threadsPerBlock>>>(d_x, d_y, d_z, LENGTH);

    // Copy result from device memory to host memory
    hipMemcpy(h_z_from_cuda, d_z, size, hipMemcpyDeviceToHost);

    end_time_cuda = std::chrono::steady_clock::now();
    duration_cuda = end_time_cuda - start_time_cuda;
    tp = duration_cuda.count();
    std::cout << "Time: " << tp << std::endl;

    // free device memory
    hipFree(d_x);
    hipFree(d_y);
    hipFree(d_z);
    
    // synchronize the GPU preventing premature termination
    hipDeviceSynchronize();

    validate_result(h_z, h_z_from_cuda, LENGTH);

    // free host memory
    delete[] h_z_from_cuda;
    delete[] h_z;
    delete[] h_x;
    delete[] h_y;

    double speedup = t1 / tp;
    double efficiency = speedup / (numOfBlocks * threadsPerBlock);
    std::cout << "speedup: " << speedup << std::endl;
    std::cout << "efficiency: " << efficiency << std::endl;

    return 0;
}


	.text
	.file	"two_sum.hip"
                                        # Start of file scope inline assembly
	.globl	_ZSt21ios_base_library_initv

                                        # End of file scope inline assembly
	.globl	_Z26__device_stub__add_vectorsPfS_S_i # -- Begin function _Z26__device_stub__add_vectorsPfS_S_i
	.type	_Z26__device_stub__add_vectorsPfS_S_i,@function
_Z26__device_stub__add_vectorsPfS_S_i:  # @_Z26__device_stub__add_vectorsPfS_S_i
	.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), %rdi
	movq	%rsi, (%rdi)
	leaq	24(%rsp), %rsi
	movq	%rdx, (%rsi)
	leaq	4(%rsp), %rdx
	movl	%ecx, (%rdx)
	leaq	80(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rdi, 8(%rbx)
	movq	%rsi, 16(%rbx)
	movq	%rdx, 24(%rbx)
	leaq	64(%rsp), %r14
	leaq	48(%rsp), %r15
	leaq	16(%rsp), %r12
	leaq	8(%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	$_Z11add_vectorsPfS_S_i, %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_end0:
	.size	_Z26__device_stub__add_vectorsPfS_S_i, .Lfunc_end0-_Z26__device_stub__add_vectorsPfS_S_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z10initializePfS_S_S_i         # -- Begin function _Z10initializePfS_S_S_i
	.type	_Z10initializePfS_S_S_i,@function
_Z10initializePfS_S_S_i:                # @_Z10initializePfS_S_S_i
	.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
	pushq	%rax
	.cfi_def_cfa_offset 64
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movl	%r8d, %ebp
	movq	%rcx, (%rsp)                    # 8-byte Spill
	movq	%rdx, %r14
	movq	%rsi, %r15
	movq	%rdi, %r12
	movl	$1, %edi
	callq	srand
	testl	%ebp, %ebp
	jle	.LBB1_3
# %bb.1:                                # %.lr.ph.preheader
	movl	%ebp, %r13d
	xorl	%ebp, %ebp
	xorl	%ebx, %ebx
.LBB1_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
                                        # kill: def $eax killed $eax def $rax
	leal	15(%rax), %ecx
	testl	%eax, %eax
	cmovnsl	%eax, %ecx
	andl	$-16, %ecx
	subl	%ecx, %eax
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	movss	%xmm0, (%r12,%rbx,4)
	callq	rand
                                        # kill: def $eax killed $eax def $rax
	leal	15(%rax), %ecx
	testl	%eax, %eax
	cmovnsl	%eax, %ecx
	andl	$-16, %ecx
	subl	%ecx, %eax
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	movss	%xmm0, (%r15,%rbx,4)
	movl	%ebp, (%r14,%rbx,4)
	movq	(%rsp), %rax                    # 8-byte Reload
	movl	%ebp, (%rax,%rbx,4)
	incq	%rbx
	cmpq	%rbx, %r13
	jne	.LBB1_2
.LBB1_3:                                # %._crit_edge
	addq	$8, %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
.Lfunc_end1:
	.size	_Z10initializePfS_S_S_i, .Lfunc_end1-_Z10initializePfS_S_S_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z22sequential_add_vectorsPfS_S_i # -- Begin function _Z22sequential_add_vectorsPfS_S_i
	.type	_Z22sequential_add_vectorsPfS_S_i,@function
_Z22sequential_add_vectorsPfS_S_i:      # @_Z22sequential_add_vectorsPfS_S_i
	.cfi_startproc
# %bb.0:
	testl	%ecx, %ecx
	jle	.LBB2_3
# %bb.1:                                # %.lr.ph.preheader
	movl	%ecx, %eax
	xorl	%ecx, %ecx
.LBB2_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movss	(%rdi,%rcx,4), %xmm0            # xmm0 = mem[0],zero,zero,zero
	addss	(%rsi,%rcx,4), %xmm0
	movss	%xmm0, (%rdx,%rcx,4)
	incq	%rcx
	cmpq	%rcx, %rax
	jne	.LBB2_2
.LBB2_3:                                # %._crit_edge
	retq
.Lfunc_end2:
	.size	_Z22sequential_add_vectorsPfS_S_i, .Lfunc_end2-_Z22sequential_add_vectorsPfS_S_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z15validate_resultPfS_i        # -- Begin function _Z15validate_resultPfS_i
	.type	_Z15validate_resultPfS_i,@function
_Z15validate_resultPfS_i:               # @_Z15validate_resultPfS_i
	.cfi_startproc
# %bb.0:
	pushq	%rax
	.cfi_def_cfa_offset 16
	testl	%edx, %edx
	jle	.LBB3_5
# %bb.1:                                # %.lr.ph.preheader
	movl	%edx, %eax
	xorl	%ecx, %ecx
.LBB3_3:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movss	(%rsi,%rcx,4), %xmm0            # xmm0 = mem[0],zero,zero,zero
	ucomiss	(%rdi,%rcx,4), %xmm0
	jne	.LBB3_4
	jp	.LBB3_4
# %bb.2:                                #   in Loop: Header=BB3_3 Depth=1
	incq	%rcx
	cmpq	%rcx, %rax
	jne	.LBB3_3
.LBB3_5:                                # %._crit_edge
	movl	$_ZSt4cout, %edi
	movl	$.L.str.1, %esi
	movl	$4, %edx
	jmp	.LBB3_6
.LBB3_4:
	movl	$_ZSt4cout, %edi
	movl	$.L.str, %esi
	movl	$5, %edx
.LBB3_6:
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	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
	popq	%rax
	.cfi_def_cfa_offset 8
	jmp	_ZNSo5flushEv                   # TAILCALL
.Lfunc_end3:
	.size	_Z15validate_resultPfS_i, .Lfunc_end3-_Z15validate_resultPfS_i
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function main
.LCPI4_0:
	.quad	0x41cdcd6500000000              # double 1.0E+9
.LCPI4_1:
	.quad	0x3e10000000000000              # double 9.3132257461547852E-10
	.text
	.globl	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	$56, %rsp
	.cfi_def_cfa_offset 112
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movabsq	$4294967296, %r13               # imm = 0x100000000
	xorl	%ebp, %ebp
	xorl	%edi, %edi
	callq	hipSetDevice
	movq	%r13, %rdi
	callq	_Znam
	movq	%rax, %rbx
	movq	%r13, %rdi
	callq	_Znam
	movq	%rax, %r14
	movq	%r13, %rdi
	callq	_Znam
	movq	%rax, %r15
	movq	%r13, %rdi
	callq	_Znam
	movq	%rbx, %rdi
	movq	%r14, %rsi
	movq	%r15, %rdx
	movq	%rax, 48(%rsp)                  # 8-byte Spill
	movq	%rax, %rcx
	movl	$1073741824, %r8d               # imm = 0x40000000
	callq	_Z10initializePfS_S_S_i
	movl	$_ZSt4cout, %r12d
	movl	$_ZSt4cout, %edi
	movl	$.L.str.2, %esi
	movl	$28, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	_ZSt4cout(%rip), %rax
	movq	-24(%rax), %rdi
	addq	%r12, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cout, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	callq	_ZNSt6chrono3_V212steady_clock3nowEv
	movq	%rax, %r12
.LBB4_1:                                # %.lr.ph.i
                                        # =>This Inner Loop Header: Depth=1
	movss	(%rbx,%rbp,4), %xmm0            # xmm0 = mem[0],zero,zero,zero
	addss	(%r14,%rbp,4), %xmm0
	movss	%xmm0, (%r15,%rbp,4)
	incq	%rbp
	cmpq	$1073741824, %rbp               # imm = 0x40000000
	jne	.LBB4_1
# %bb.2:                                # %_Z22sequential_add_vectorsPfS_S_i.exit
	callq	_ZNSt6chrono3_V212steady_clock3nowEv
	subq	%r12, %rax
	xorps	%xmm0, %xmm0
	cvtsi2sd	%rax, %xmm0
	divsd	.LCPI4_0(%rip), %xmm0
	movsd	%xmm0, 16(%rsp)                 # 8-byte Spill
	movl	$_ZSt4cout, %edi
	movl	$.L.str.3, %esi
	movl	$6, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$_ZSt4cout, %edi
	movsd	16(%rsp), %xmm0                 # 8-byte Reload
                                        # xmm0 = mem[0],zero
	callq	_ZNSo9_M_insertIdEERSoT_
	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
	leaq	40(%rsp), %rbp
	movq	%rbp, %rdi
	movq	%r13, %rsi
	callq	hipMalloc
	leaq	32(%rsp), %rdi
	movq	%r13, %rsi
	callq	hipMalloc
	leaq	24(%rsp), %rdi
	movq	%r13, %rsi
	callq	hipMalloc
	movl	$_ZSt4cout, %edi
	movl	$.L.str.4, %esi
	movl	$22, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	_ZSt4cout(%rip), %rax
	movq	-24(%rax), %rdi
	movl	$_ZSt4cout, %eax
	addq	%rax, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cout, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	callq	_ZNSt6chrono3_V212steady_clock3nowEv
	movq	%rax, %r12
	movq	(%rbp), %rdi
	movq	%rbx, %rsi
	movq	%r13, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	leaq	32(%rsp), %rax
	movq	(%rax), %rdi
	movq	%r14, %rsi
	movq	%r13, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	leaq	1024(%r13), %rdx
	leaq	1048576(%r13), %rdi
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB4_4
# %bb.3:
	movq	40(%rsp), %rdi
	movq	32(%rsp), %rsi
	movq	24(%rsp), %rdx
	movl	$1073741824, %ecx               # imm = 0x40000000
	callq	_Z26__device_stub__add_vectorsPfS_S_i
.LBB4_4:
	movq	24(%rsp), %rsi
	movq	48(%rsp), %rbp                  # 8-byte Reload
	movq	%rbp, %rdi
	movq	%r13, %rdx
	movl	$2, %ecx
	callq	hipMemcpy
	callq	_ZNSt6chrono3_V212steady_clock3nowEv
	subq	%r12, %rax
	cvtsi2sd	%rax, %xmm0
	divsd	.LCPI4_0(%rip), %xmm0
	movsd	%xmm0, 8(%rsp)                  # 8-byte Spill
	movl	$_ZSt4cout, %edi
	movl	$.L.str.3, %esi
	movl	$6, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$_ZSt4cout, %edi
	movsd	8(%rsp), %xmm0                  # 8-byte Reload
                                        # xmm0 = mem[0],zero
	callq	_ZNSo9_M_insertIdEERSoT_
	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
	movq	40(%rsp), %rdi
	callq	hipFree
	movq	32(%rsp), %rdi
	callq	hipFree
	movq	24(%rsp), %rdi
	callq	hipFree
	callq	hipDeviceSynchronize
	movq	%r15, %rdi
	movq	%rbp, %rsi
	movl	$1073741824, %edx               # imm = 0x40000000
	callq	_Z15validate_resultPfS_i
	movq	%rbp, %rdi
	callq	_ZdaPv
	movq	%r15, %rdi
	callq	_ZdaPv
	movq	%rbx, %rdi
	callq	_ZdaPv
	movq	%r14, %rdi
	callq	_ZdaPv
	movsd	16(%rsp), %xmm1                 # 8-byte Reload
                                        # xmm1 = mem[0],zero
	divsd	8(%rsp), %xmm1                  # 8-byte Folded Reload
	movsd	%xmm1, 16(%rsp)                 # 8-byte Spill
	movsd	.LCPI4_1(%rip), %xmm0           # xmm0 = mem[0],zero
	mulsd	%xmm1, %xmm0
	movsd	%xmm0, 8(%rsp)                  # 8-byte Spill
	movl	$_ZSt4cout, %edi
	movl	$.L.str.5, %esi
	movl	$9, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$_ZSt4cout, %edi
	movsd	16(%rsp), %xmm0                 # 8-byte Reload
                                        # xmm0 = mem[0],zero
	callq	_ZNSo9_M_insertIdEERSoT_
	movq	%rax, %rbx
	movq	(%rax), %rax
	movq	-24(%rax), %rdi
	addq	%rbx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%rbx, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	movl	$_ZSt4cout, %edi
	movl	$.L.str.6, %esi
	movl	$12, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	$_ZSt4cout, %edi
	movsd	8(%rsp), %xmm0                  # 8-byte Reload
                                        # xmm0 = mem[0],zero
	callq	_ZNSo9_M_insertIdEERSoT_
	movq	%rax, %rbx
	movq	(%rax), %rax
	movq	-24(%rax), %rdi
	addq	%rbx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%rbx, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	xorl	%eax, %eax
	addq	$56, %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
.Lfunc_end4:
	.size	main, .Lfunc_end4-main
	.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	.LBB5_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB5_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z11add_vectorsPfS_S_i, %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_end5:
	.size	__hip_module_ctor, .Lfunc_end5-__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	.LBB6_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
.LBB6_2:
	retq
.Lfunc_end6:
	.size	__hip_module_dtor, .Lfunc_end6-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z11add_vectorsPfS_S_i,@object  # @_Z11add_vectorsPfS_S_i
	.section	.rodata,"a",@progbits
	.globl	_Z11add_vectorsPfS_S_i
	.p2align	3, 0x0
_Z11add_vectorsPfS_S_i:
	.quad	_Z26__device_stub__add_vectorsPfS_S_i
	.size	_Z11add_vectorsPfS_S_i, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"False"
	.size	.L.str, 6

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"True"
	.size	.L.str.1, 5

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"Running sequential version: "
	.size	.L.str.2, 29

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"Time: "
	.size	.L.str.3, 7

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"Running cuda version: "
	.size	.L.str.4, 23

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"speedup: "
	.size	.L.str.5, 10

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"efficiency: "
	.size	.L.str.6, 13

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z11add_vectorsPfS_S_i"
	.size	.L__unnamed_1, 23

	.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 _Z26__device_stub__add_vectorsPfS_S_i
	.addrsig_sym __gxx_personality_v0
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z11add_vectorsPfS_S_i
	.addrsig_sym _ZSt4cout
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z11add_vectorsPfS_S_i  ; -- Begin function _Z11add_vectorsPfS_S_i
	.globl	_Z11add_vectorsPfS_S_i
	.p2align	8
	.type	_Z11add_vectorsPfS_S_i,@function
_Z11add_vectorsPfS_S_i:                 ; @_Z11add_vectorsPfS_S_i
; %bb.0:
	s_clause 0x1
	s_load_b32 s2, s[0:1], 0x2c
	s_load_b32 s3, s[0:1], 0x18
	s_waitcnt lgkmcnt(0)
	s_and_b32 s2, s2, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[1:2], null, s15, s2, v[0:1]
	s_mov_b32 s2, exec_lo
	v_cmpx_gt_i32_e64 s3, v1
	s_cbranch_execz .LBB0_2
; %bb.1:
	s_load_b128 s[4:7], s[0:1], 0x0
	v_ashrrev_i32_e32 v2, 31, v1
	s_load_b64 s[0:1], s[0:1], 0x10
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[0:1], 2, v[1:2]
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v2, vcc_lo, s4, v0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v3, vcc_lo, s5, v1, vcc_lo
	v_add_co_u32 v4, vcc_lo, s6, v0
	v_add_co_ci_u32_e32 v5, vcc_lo, s7, v1, vcc_lo
	v_add_co_u32 v0, vcc_lo, s0, v0
	global_load_b32 v2, v[2:3], off
	global_load_b32 v3, v[4:5], off
	v_add_co_ci_u32_e32 v1, vcc_lo, s1, v1, vcc_lo
	s_waitcnt vmcnt(0)
	v_add_f32_e32 v2, v2, v3
	global_store_b32 v[0:1], v2, off
.LBB0_2:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z11add_vectorsPfS_S_i
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 288
		.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 6
		.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	_Z11add_vectorsPfS_S_i, .Lfunc_end0-_Z11add_vectorsPfS_S_i
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 180
; NumSgprs: 18
; NumVgprs: 6
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 6
; 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
      - .address_space:  global
        .offset:         16
        .size:           8
        .value_kind:     global_buffer
      - .offset:         24
        .size:           4
        .value_kind:     by_value
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         36
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         40
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         44
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         46
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         48
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         50
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         52
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         54
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         88
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         96
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 288
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z11add_vectorsPfS_S_i
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z11add_vectorsPfS_S_i.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     6
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
