#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>

#define N 1024*1024
#define THREADS_PER_BLOCK 512

__global__ void multiply(float *a, float *b, int n);
void random_floats(float *x, int Num);
float* CPU_big_dot(float *a, float *b, int Num);
float* GPU_big_dot(float *A, float *B, int Num);
long long start_timer();
long long stop_timer(long long start_time, char *name);

int main(void) {
  float *a, *b; // host copies of a, b, c
  int size = N * sizeof(float);
  
  // Alloc space for host copies of a, b, c and setup input values
  a = (float *) malloc(size);
  random_floats(a, N);
  b = (float *) malloc(size);
  random_floats(b, N);

  float *result_cpu, *result_gpu;
  long long cpu_start, cpu_time, gpu_start, gpu_time;
  char cpu_task_name[] = "CPU time usage";
  char gpu_task_name[] = "GPU time usage";

  cpu_start = start_timer();
  result_cpu = CPU_big_dot(a, b, N);
  cpu_time = stop_timer(cpu_start, cpu_task_name);
  gpu_start = start_timer();
  result_gpu = GPU_big_dot(a, b, N);
  gpu_time = stop_timer(gpu_start, gpu_task_name);
  printf("\ncpu result: %f\n", *result_cpu);
  printf("gpu result: %f\n", *result_gpu);
  float diff = *result_cpu - *result_gpu;
  if (diff <= 1.0e-6)
    printf("difference between 2 results is: %f < 1.0e-6 ===> correct.\n", diff);
  else{
    printf("difference between 2 results is: %f > 1.0e-6 ===> incorrect.\nExit Now!\n", diff);
    exit(-1);
  }
  printf("\nCPU/GPU speedup: %f\n", 1.0 * cpu_time / gpu_time);
  free(a);
  free(b);
  free(result_cpu);
  free(result_gpu);
  return 0;
}
__global__ void multiply(float *a, float *b, int n)
{
  int index = threadIdx.x + blockIdx.x * blockDim.x;
  if (index < n)
    a[index] = a[index] * b[index];
}

void random_floats(float *x, int Num)
{
  for (int i = 0; i < Num; i++)
  {
    x[i] = (float)rand() / RAND_MAX;
  }
}

float* CPU_big_dot(float *a, float *b, int Num)
{
  float *sum;
  sum = (float *) malloc(sizeof(float));
  (*sum) = 0;
  for (int i = 0; i < Num; i++)
  {
    (*sum) += a[i] * b[i];
  }
  return sum;
}

float* GPU_big_dot(float *A, float *B, int Num)
{
  float *sum;
  sum = (float *) malloc(sizeof(float));
  (*sum) = 0;
  float *d_A, *d_B; // device copies of A, B
  int size = Num * sizeof(float);

  // Allocate space for device copies of a, b, c
  cudaMalloc((void **) &d_A, size);
  cudaMalloc((void **) &d_B, size);

  // Copy inputs to device
  cudaMemcpy(d_A, A, size, cudaMemcpyHostToDevice);
  cudaMemcpy(d_B, B, size, cudaMemcpyHostToDevice);

  // Launch add() kernel on GPU with N threads 
  multiply<<<(Num + THREADS_PER_BLOCK - 1)/THREADS_PER_BLOCK, THREADS_PER_BLOCK>>>(d_A, d_B, Num);

  // Copy result back to host
  cudaMemcpy(A, d_A, size, cudaMemcpyDeviceToHost);

  for (int i = 0; i < Num; i++) 
    (*sum) += A[i];

  // Cleanup
  cudaFree(d_A); 
  cudaFree(d_B);

  return sum;
}

long long start_timer() {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  return tv.tv_sec * 1000000 + tv.tv_usec; 
}

long long stop_timer(long long start_time, char *name) {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  long long end_time = tv.tv_sec * 1000000 + tv.tv_usec;
  printf("%s: %.5f sec\n", name, ((float)(end_time-start_time))/(1000*1000)); 
  return end_time - start_time;
}

	.file	"tmpxft_00328cac_00000000-6_assign1.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2035:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2035:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z13random_floatsPfi
	.type	_Z13random_floatsPfi, @function
_Z13random_floatsPfi:
.LFB2028:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movq	%rdi, %r12
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	movl	%esi, %ebp
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	xorl	%ebx, %ebx
.L3:
	cmpl	%ebx, %ebp
	jle	.L7
	call	rand@PLT
	cvtsi2ssl	%eax, %xmm0
	mulss	.LC0(%rip), %xmm0
	movss	%xmm0, (%r12,%rbx,4)
	incq	%rbx
	jmp	.L3
.L7:
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%rbp
	.cfi_def_cfa_offset 16
	popq	%r12
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2028:
	.size	_Z13random_floatsPfi, .-_Z13random_floatsPfi
	.globl	_Z11CPU_big_dotPfS_i
	.type	_Z11CPU_big_dotPfS_i, @function
_Z11CPU_big_dotPfS_i:
.LFB2029:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movq	%rsi, %r12
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	movq	%rdi, %rbp
	movl	$4, %edi
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	movl	%edx, %ebx
	call	malloc@PLT
	xorl	%ecx, %ecx
	xorps	%xmm0, %xmm0
.L9:
	cmpl	%ecx, %ebx
	jle	.L12
	movss	0(%rbp,%rcx,4), %xmm1
	mulss	(%r12,%rcx,4), %xmm1
	incq	%rcx
	addss	%xmm1, %xmm0
	jmp	.L9
.L12:
	movss	%xmm0, (%rax)
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%rbp
	.cfi_def_cfa_offset 16
	popq	%r12
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2029:
	.size	_Z11CPU_big_dotPfS_i, .-_Z11CPU_big_dotPfS_i
	.globl	_Z11start_timerv
	.type	_Z11start_timerv, @function
_Z11start_timerv:
.LFB2031:
	.cfi_startproc
	endbr64
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	xorl	%esi, %esi
	movq	%fs:40, %rax
	movq	%rax, 24(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rdi
	call	gettimeofday@PLT
	imulq	$1000000, 8(%rsp), %rax
	addq	16(%rsp), %rax
	movq	24(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L14
	call	__stack_chk_fail@PLT
.L14:
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2031:
	.size	_Z11start_timerv, .-_Z11start_timerv
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC3:
	.string	"%s: %.5f sec\n"
	.text
	.globl	_Z10stop_timerxPc
	.type	_Z10stop_timerxPc, @function
_Z10stop_timerxPc:
.LFB2032:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movq	%rsi, %r12
	xorl	%esi, %esi
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	movq	%rdi, %rbp
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	subq	$32, %rsp
	.cfi_def_cfa_offset 64
	movq	%fs:40, %rax
	movq	%rax, 24(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rdi
	call	gettimeofday@PLT
	movq	%r12, %rdx
	movl	$2, %edi
	movb	$1, %al
	imulq	$1000000, 8(%rsp), %rbx
	addq	16(%rsp), %rbx
	leaq	.LC3(%rip), %rsi
	subq	%rbp, %rbx
	cvtsi2ssq	%rbx, %xmm0
	divss	.LC2(%rip), %xmm0
	cvtss2sd	%xmm0, %xmm0
	call	__printf_chk@PLT
	movq	24(%rsp), %rax
	subq	%fs:40, %rax
	je	.L17
	call	__stack_chk_fail@PLT
.L17:
	addq	$32, %rsp
	.cfi_def_cfa_offset 32
	movq	%rbx, %rax
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%rbp
	.cfi_def_cfa_offset 16
	popq	%r12
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2032:
	.size	_Z10stop_timerxPc, .-_Z10stop_timerxPc
	.globl	_Z30__device_stub__Z8multiplyPfS_iPfS_i
	.type	_Z30__device_stub__Z8multiplyPfS_iPfS_i, @function
_Z30__device_stub__Z8multiplyPfS_iPfS_i:
.LFB2057:
	.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	.L19
	pushq	40(%rsp)
	.cfi_def_cfa_offset 152
	leaq	_Z8multiplyPfS_i(%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
.L19:
	movq	120(%rsp), %rax
	subq	%fs:40, %rax
	je	.L21
	call	__stack_chk_fail@PLT
.L21:
	addq	$136, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2057:
	.size	_Z30__device_stub__Z8multiplyPfS_iPfS_i, .-_Z30__device_stub__Z8multiplyPfS_iPfS_i
	.globl	_Z8multiplyPfS_i
	.type	_Z8multiplyPfS_i, @function
_Z8multiplyPfS_i:
.LFB2058:
	.cfi_startproc
	endbr64
	jmp	_Z30__device_stub__Z8multiplyPfS_iPfS_i
	.cfi_endproc
.LFE2058:
	.size	_Z8multiplyPfS_i, .-_Z8multiplyPfS_i
	.globl	_Z11GPU_big_dotPfS_i
	.type	_Z11GPU_big_dotPfS_i, @function
_Z11GPU_big_dotPfS_i:
.LFB2030:
	.cfi_startproc
	endbr64
	pushq	%r14
	.cfi_def_cfa_offset 16
	.cfi_offset 14, -16
	movq	%rsi, %r14
	pushq	%r13
	.cfi_def_cfa_offset 24
	.cfi_offset 13, -24
	movq	%rdi, %r13
	movl	$4, %edi
	pushq	%r12
	.cfi_def_cfa_offset 32
	.cfi_offset 12, -32
	movl	%edx, %r12d
	pushq	%rbp
	.cfi_def_cfa_offset 40
	.cfi_offset 6, -40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	.cfi_offset 3, -48
	leal	0(,%r12,4), %ebx
	movslq	%ebx, %rbx
	subq	$48, %rsp
	.cfi_def_cfa_offset 96
	movq	%fs:40, %rax
	movq	%rax, 40(%rsp)
	xorl	%eax, %eax
	call	malloc@PLT
	movq	%rsp, %rdi
	movq	%rbx, %rsi
	movl	$0x00000000, (%rax)
	movq	%rax, %rbp
	call	cudaMalloc@PLT
	leaq	8(%rsp), %rdi
	movq	%rbx, %rsi
	call	cudaMalloc@PLT
	movq	(%rsp), %rdi
	movq	%rbx, %rdx
	movq	%r13, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movq	8(%rsp), %rdi
	movq	%rbx, %rdx
	movq	%r14, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movl	$512, %ecx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	leal	511(%r12), %eax
	cltd
	idivl	%ecx
	movl	$8388609, %edx
	movl	$1, %ecx
	salq	$9, %rdx
	movl	%eax, 16(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 20(%rsp)
	movq	16(%rsp), %rdi
	movl	24(%rsp), %esi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L25
	movq	8(%rsp), %rsi
	movq	(%rsp), %rdi
	movl	%r12d, %edx
	call	_Z30__device_stub__Z8multiplyPfS_iPfS_i
.L25:
	movq	(%rsp), %rsi
	movl	$2, %ecx
	movq	%rbx, %rdx
	movq	%r13, %rdi
	call	cudaMemcpy@PLT
	xorl	%eax, %eax
.L26:
	cmpl	%eax, %r12d
	jle	.L30
	movss	0(%rbp), %xmm0
	addss	0(%r13,%rax,4), %xmm0
	incq	%rax
	movss	%xmm0, 0(%rbp)
	jmp	.L26
.L30:
	movq	(%rsp), %rdi
	call	cudaFree@PLT
	movq	8(%rsp), %rdi
	call	cudaFree@PLT
	movq	40(%rsp), %rax
	subq	%fs:40, %rax
	je	.L28
	call	__stack_chk_fail@PLT
.L28:
	addq	$48, %rsp
	.cfi_def_cfa_offset 48
	movq	%rbp, %rax
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%rbp
	.cfi_def_cfa_offset 32
	popq	%r12
	.cfi_def_cfa_offset 24
	popq	%r13
	.cfi_def_cfa_offset 16
	popq	%r14
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2030:
	.size	_Z11GPU_big_dotPfS_i, .-_Z11GPU_big_dotPfS_i
	.section	.rodata.str1.1
.LC4:
	.string	"\ncpu result: %f\n"
.LC5:
	.string	"gpu result: %f\n"
.LC7:
	.string	"difference between 2 results is: %f < 1.0e-6 ===> correct.\n"
.LC8:
	.string	"\nCPU/GPU speedup: %f\n"
.LC9:
	.string	"difference between 2 results is: %f > 1.0e-6 ===> incorrect.\nExit Now!\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2027:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	movl	$4194304, %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	$56, %rsp
	.cfi_def_cfa_offset 112
	movq	%fs:40, %rax
	movq	%rax, 40(%rsp)
	xorl	%eax, %eax
	call	malloc@PLT
	movl	$1048576, %esi
	movq	%rax, %rdi
	movq	%rax, %rbp
	call	_Z13random_floatsPfi
	movl	$4194304, %edi
	call	malloc@PLT
	movl	$1048576, %esi
	movq	%rax, %rdi
	movq	%rax, %rbx
	call	_Z13random_floatsPfi
	movabsq	$7308613717771767875, %rax
	movabsq	$7308613717771767879, %rcx
	movq	%rax, 10(%rsp)
	movabsq	$28542640894320741, %rax
	movq	%rcx, 25(%rsp)
	movq	%rax, 17(%rsp)
	movq	%rax, 32(%rsp)
	call	_Z11start_timerv
	movl	$1048576, %edx
	movq	%rbx, %rsi
	movq	%rbp, %rdi
	movq	%rax, %r12
	call	_Z11CPU_big_dotPfS_i
	movq	%r12, %rdi
	leaq	10(%rsp), %rsi
	movq	%rax, %r13
	call	_Z10stop_timerxPc
	movq	%rax, %r15
	call	_Z11start_timerv
	movl	$1048576, %edx
	movq	%rbx, %rsi
	movq	%rbp, %rdi
	movq	%rax, %r14
	call	_Z11GPU_big_dotPfS_i
	movq	%r14, %rdi
	leaq	25(%rsp), %rsi
	movq	%rax, %r12
	call	_Z10stop_timerxPc
	movl	$2, %edi
	leaq	.LC4(%rip), %rsi
	cvtss2sd	0(%r13), %xmm0
	movq	%rax, %r14
	movb	$1, %al
	call	__printf_chk@PLT
	leaq	.LC5(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	(%r12), %xmm0
	call	__printf_chk@PLT
	movss	0(%r13), %xmm0
	subss	(%r12), %xmm0
	movsd	.LC6(%rip), %xmm1
	cvtss2sd	%xmm0, %xmm0
	comisd	%xmm0, %xmm1
	jb	.L36
	leaq	.LC7(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	call	__printf_chk@PLT
	cvtsi2sdq	%r14, %xmm1
	movl	$2, %edi
	movb	$1, %al
	cvtsi2sdq	%r15, %xmm0
	leaq	.LC8(%rip), %rsi
	divsd	%xmm1, %xmm0
	call	__printf_chk@PLT
	movq	%rbp, %rdi
	call	free@PLT
	movq	%rbx, %rdi
	call	free@PLT
	movq	%r13, %rdi
	call	free@PLT
	movq	%r12, %rdi
	call	free@PLT
	movq	40(%rsp), %rax
	subq	%fs:40, %rax
	je	.L34
	call	__stack_chk_fail@PLT
.L36:
	movl	$2, %edi
	leaq	.LC9(%rip), %rsi
	movb	$1, %al
	call	__printf_chk@PLT
	orl	$-1, %edi
	call	exit@PLT
.L34:
	addq	$56, %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
.LFE2027:
	.size	main, .-main
	.section	.rodata.str1.1
.LC10:
	.string	"_Z8multiplyPfS_i"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2060:
	.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	_Z8multiplyPfS_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
.LFE2060:
	.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.cst4,"aM",@progbits,4
	.align 4
.LC0:
	.long	805306368
	.align 4
.LC2:
	.long	1232348160
	.section	.rodata.cst8,"aM",@progbits,8
	.align 8
.LC6:
	.long	-1598689907
	.long	1051772663
	.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 <stdio.h>
#include <stdlib.h>
#include <sys/time.h>

#define N 1024*1024
#define THREADS_PER_BLOCK 512

__global__ void multiply(float *a, float *b, int n);
void random_floats(float *x, int Num);
float* CPU_big_dot(float *a, float *b, int Num);
float* GPU_big_dot(float *A, float *B, int Num);
long long start_timer();
long long stop_timer(long long start_time, char *name);

int main(void) {
  float *a, *b; // host copies of a, b, c
  int size = N * sizeof(float);
  
  // Alloc space for host copies of a, b, c and setup input values
  a = (float *) malloc(size);
  random_floats(a, N);
  b = (float *) malloc(size);
  random_floats(b, N);

  float *result_cpu, *result_gpu;
  long long cpu_start, cpu_time, gpu_start, gpu_time;
  char cpu_task_name[] = "CPU time usage";
  char gpu_task_name[] = "GPU time usage";

  cpu_start = start_timer();
  result_cpu = CPU_big_dot(a, b, N);
  cpu_time = stop_timer(cpu_start, cpu_task_name);
  gpu_start = start_timer();
  result_gpu = GPU_big_dot(a, b, N);
  gpu_time = stop_timer(gpu_start, gpu_task_name);
  printf("\ncpu result: %f\n", *result_cpu);
  printf("gpu result: %f\n", *result_gpu);
  float diff = *result_cpu - *result_gpu;
  if (diff <= 1.0e-6)
    printf("difference between 2 results is: %f < 1.0e-6 ===> correct.\n", diff);
  else{
    printf("difference between 2 results is: %f > 1.0e-6 ===> incorrect.\nExit Now!\n", diff);
    exit(-1);
  }
  printf("\nCPU/GPU speedup: %f\n", 1.0 * cpu_time / gpu_time);
  free(a);
  free(b);
  free(result_cpu);
  free(result_gpu);
  return 0;
}
__global__ void multiply(float *a, float *b, int n)
{
  int index = threadIdx.x + blockIdx.x * blockDim.x;
  if (index < n)
    a[index] = a[index] * b[index];
}

void random_floats(float *x, int Num)
{
  for (int i = 0; i < Num; i++)
  {
    x[i] = (float)rand() / RAND_MAX;
  }
}

float* CPU_big_dot(float *a, float *b, int Num)
{
  float *sum;
  sum = (float *) malloc(sizeof(float));
  (*sum) = 0;
  for (int i = 0; i < Num; i++)
  {
    (*sum) += a[i] * b[i];
  }
  return sum;
}

float* GPU_big_dot(float *A, float *B, int Num)
{
  float *sum;
  sum = (float *) malloc(sizeof(float));
  (*sum) = 0;
  float *d_A, *d_B; // device copies of A, B
  int size = Num * sizeof(float);

  // Allocate space for device copies of a, b, c
  hipMalloc((void **) &d_A, size);
  hipMalloc((void **) &d_B, size);

  // Copy inputs to device
  hipMemcpy(d_A, A, size, hipMemcpyHostToDevice);
  hipMemcpy(d_B, B, size, hipMemcpyHostToDevice);

  // Launch add() kernel on GPU with N threads 
  multiply<<<(Num + THREADS_PER_BLOCK - 1)/THREADS_PER_BLOCK, THREADS_PER_BLOCK>>>(d_A, d_B, Num);

  // Copy result back to host
  hipMemcpy(A, d_A, size, hipMemcpyDeviceToHost);

  for (int i = 0; i < Num; i++) 
    (*sum) += A[i];

  // Cleanup
  hipFree(d_A); 
  hipFree(d_B);

  return sum;
}

long long start_timer() {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  return tv.tv_sec * 1000000 + tv.tv_usec; 
}

long long stop_timer(long long start_time, char *name) {
  struct timeval tv;
  gettimeofday(&tv, NULL);
  long long end_time = tv.tv_sec * 1000000 + tv.tv_usec;
  printf("%s: %.5f sec\n", name, ((float)(end_time-start_time))/(1000*1000)); 
  return end_time - start_time;
}

	.text
	.file	"assign1.hip"
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function main
.LCPI0_0:
	.long	0x30000000                      # float 4.65661287E-10
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0
.LCPI0_1:
	.quad	0x3eb0c6f7a0b5ed8d              # double 9.9999999999999995E-7
	.text
	.globl	main
	.type	main,@function
main:                                   # @main
	.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	$64, %rsp
	.cfi_def_cfa_offset 112
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movl	$4194304, %edi                  # imm = 0x400000
	callq	malloc
	movq	%rax, %rbx
	xorl	%r14d, %r14d
.LBB0_1:                                # %.lr.ph.i
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	mulss	.LCPI0_0(%rip), %xmm0
	movss	%xmm0, (%rbx,%r14,4)
	incq	%r14
	cmpq	$1048576, %r14                  # imm = 0x100000
	jne	.LBB0_1
# %bb.2:                                # %_Z13random_floatsPfi.exit
	movl	$4194304, %edi                  # imm = 0x400000
	callq	malloc
	movq	%rax, %r14
	xorl	%r15d, %r15d
.LBB0_3:                                # %.lr.ph.i22
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	mulss	.LCPI0_0(%rip), %xmm0
	movss	%xmm0, (%r14,%r15,4)
	incq	%r15
	cmpq	$1048576, %r15                  # imm = 0x100000
	jne	.LBB0_3
# %bb.4:                                # %_Z13random_floatsPfi.exit26
	movabsq	$7308613717771767875, %rax      # imm = 0x656D697420555043
	movq	%rax, 33(%rsp)
	movl	$1634956576, %eax               # imm = 0x61737520
	movl	%eax, 41(%rsp)
	movw	$25959, %cx                     # imm = 0x6567
	movw	%cx, 45(%rsp)
	xorl	%r12d, %r12d
	movb	%r12b, 47(%rsp)
	movabsq	$7308613717771767879, %rdx      # imm = 0x656D697420555047
	movq	%rdx, 18(%rsp)
	movl	%eax, 26(%rsp)
	movw	%cx, 30(%rsp)
	movb	%r12b, 32(%rsp)
	leaq	48(%rsp), %r15
	movq	%r15, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	movq	(%r15), %rcx
	movq	8(%r15), %rax
	xorps	%xmm1, %xmm1
.LBB0_5:                                # =>This Inner Loop Header: Depth=1
	movss	(%rbx,%r12,4), %xmm0            # xmm0 = mem[0],zero,zero,zero
	mulss	(%r14,%r12,4), %xmm0
	addss	%xmm0, %xmm1
	incq	%r12
	cmpq	$1048576, %r12                  # imm = 0x100000
	jne	.LBB0_5
# %bb.6:                                # %_Z11CPU_big_dotPfS_i.exit
	imulq	$1000000, %rcx, %rdi            # imm = 0xF4240
	addq	%rax, %rdi
	leaq	33(%rsp), %rsi
	movss	%xmm1, 8(%rsp)                  # 4-byte Spill
	callq	_Z10stop_timerxPc
	movq	%rax, %r12
	leaq	48(%rsp), %r15
	movq	%r15, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	imulq	$1000000, (%r15), %r13          # imm = 0xF4240
	addq	8(%r15), %r13
	movq	%rbx, %rdi
	movq	%r14, %rsi
	movl	$1048576, %edx                  # imm = 0x100000
	callq	_Z11GPU_big_dotPfS_i
	movq	%rax, %r15
	leaq	18(%rsp), %rsi
	movq	%r13, %rdi
	callq	_Z10stop_timerxPc
	movq	%rax, %r13
	xorps	%xmm0, %xmm0
	cvtss2sd	8(%rsp), %xmm0                  # 4-byte Folded Reload
	movl	$.L.str, %edi
	movb	$1, %al
	callq	printf
	movss	(%r15), %xmm0                   # xmm0 = mem[0],zero,zero,zero
	movss	%xmm0, 12(%rsp)                 # 4-byte Spill
	cvtss2sd	%xmm0, %xmm0
	movl	$.L.str.1, %edi
	movb	$1, %al
	callq	printf
	movss	8(%rsp), %xmm0                  # 4-byte Reload
                                        # xmm0 = mem[0],zero,zero,zero
	subss	12(%rsp), %xmm0                 # 4-byte Folded Reload
	cvtss2sd	%xmm0, %xmm0
	movsd	.LCPI0_1(%rip), %xmm1           # xmm1 = mem[0],zero
	ucomisd	%xmm0, %xmm1
	jb	.LBB0_8
# %bb.7:
	movl	$.L.str.2, %edi
	movb	$1, %al
	callq	printf
	xorps	%xmm0, %xmm0
	cvtsi2sd	%r12, %xmm0
	xorps	%xmm1, %xmm1
	cvtsi2sd	%r13, %xmm1
	divsd	%xmm1, %xmm0
	movl	$.L.str.4, %edi
	movb	$1, %al
	callq	printf
	movq	%rbx, %rdi
	callq	free
	movq	%r14, %rdi
	callq	free
	movq	%r15, %rdi
	callq	free
	xorl	%eax, %eax
	addq	$64, %rsp
	.cfi_def_cfa_offset 48
	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
.LBB0_8:
	.cfi_def_cfa_offset 112
	movl	$.L.str.3, %edi
	movb	$1, %al
	callq	printf
	movl	$-1, %edi
	callq	exit
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function _Z13random_floatsPfi
.LCPI1_0:
	.long	0x30000000                      # float 4.65661287E-10
	.text
	.globl	_Z13random_floatsPfi
	.type	_Z13random_floatsPfi,@function
_Z13random_floatsPfi:                   # @_Z13random_floatsPfi
	.cfi_startproc
# %bb.0:
	testl	%esi, %esi
	jle	.LBB1_4
# %bb.1:                                # %.lr.ph.preheader
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movq	%rdi, %rbx
	movl	%esi, %r14d
	xorl	%r15d, %r15d
.LBB1_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	mulss	.LCPI1_0(%rip), %xmm0
	movss	%xmm0, (%rbx,%r15,4)
	incq	%r15
	cmpq	%r15, %r14
	jne	.LBB1_2
# %bb.3:
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	.cfi_restore %rbx
	.cfi_restore %r14
	.cfi_restore %r15
.LBB1_4:                                # %._crit_edge
	retq
.Lfunc_end1:
	.size	_Z13random_floatsPfi, .Lfunc_end1-_Z13random_floatsPfi
	.cfi_endproc
                                        # -- End function
	.globl	_Z11start_timerv                # -- Begin function _Z11start_timerv
	.type	_Z11start_timerv,@function
_Z11start_timerv:                       # @_Z11start_timerv
	.cfi_startproc
# %bb.0:
	pushq	%rbx
	.cfi_def_cfa_offset 16
	subq	$16, %rsp
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -16
	movq	%rsp, %rbx
	movq	%rbx, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	imulq	$1000000, (%rbx), %rax          # imm = 0xF4240
	addq	8(%rbx), %rax
	addq	$16, %rsp
	.cfi_def_cfa_offset 16
	popq	%rbx
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end2:
	.size	_Z11start_timerv, .Lfunc_end2-_Z11start_timerv
	.cfi_endproc
                                        # -- End function
	.globl	_Z11CPU_big_dotPfS_i            # -- Begin function _Z11CPU_big_dotPfS_i
	.type	_Z11CPU_big_dotPfS_i,@function
_Z11CPU_big_dotPfS_i:                   # @_Z11CPU_big_dotPfS_i
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -32
	.cfi_offset %r14, -24
	.cfi_offset %rbp, -16
	movl	%edx, %ebp
	movq	%rsi, %rbx
	movq	%rdi, %r14
	movl	$4, %edi
	callq	malloc
	movl	$0, (%rax)
	testl	%ebp, %ebp
	jle	.LBB3_4
# %bb.1:                                # %.lr.ph
	movl	%ebp, %ecx
	xorps	%xmm0, %xmm0
	xorl	%edx, %edx
.LBB3_2:                                # =>This Inner Loop Header: Depth=1
	movss	(%r14,%rdx,4), %xmm1            # xmm1 = mem[0],zero,zero,zero
	mulss	(%rbx,%rdx,4), %xmm1
	addss	%xmm1, %xmm0
	incq	%rdx
	cmpq	%rdx, %rcx
	jne	.LBB3_2
# %bb.3:                                # %._crit_edge
	movss	%xmm0, (%rax)
.LBB3_4:
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end3:
	.size	_Z11CPU_big_dotPfS_i, .Lfunc_end3-_Z11CPU_big_dotPfS_i
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function _Z10stop_timerxPc
.LCPI4_0:
	.long	0x49742400                      # float 1.0E+6
	.text
	.globl	_Z10stop_timerxPc
	.type	_Z10stop_timerxPc,@function
_Z10stop_timerxPc:                      # @_Z10stop_timerxPc
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%rbx
	.cfi_def_cfa_offset 32
	subq	$16, %rsp
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movq	%rsi, %rbx
	movq	%rdi, %r14
	movq	%rsp, %r15
	movq	%r15, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	imulq	$1000000, (%r15), %rax          # imm = 0xF4240
	movq	8(%r15), %r15
	subq	%r14, %r15
	addq	%rax, %r15
	cvtsi2ss	%r15, %xmm0
	divss	.LCPI4_0(%rip), %xmm0
	cvtss2sd	%xmm0, %xmm0
	movl	$.L.str.5, %edi
	movq	%rbx, %rsi
	movb	$1, %al
	callq	printf
	movq	%r15, %rax
	addq	$16, %rsp
	.cfi_def_cfa_offset 32
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end4:
	.size	_Z10stop_timerxPc, .Lfunc_end4-_Z10stop_timerxPc
	.cfi_endproc
                                        # -- End function
	.globl	_Z11GPU_big_dotPfS_i            # -- Begin function _Z11GPU_big_dotPfS_i
	.type	_Z11GPU_big_dotPfS_i,@function
_Z11GPU_big_dotPfS_i:                   # @_Z11GPU_big_dotPfS_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
	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
	movl	%edx, %r15d
	movq	%rsi, %r13
	movq	%rdi, %r14
	movl	$4, %edi
	callq	malloc
	movq	%rax, 16(%rsp)                  # 8-byte Spill
	movl	$0, (%rax)
	leal	(,%r15,4), %eax
	movslq	%eax, %r12
	movq	%rsp, %rbp
	movq	%rbp, %rdi
	movq	%r12, %rsi
	callq	hipMalloc
	leaq	8(%rsp), %rbx
	movq	%rbx, %rdi
	movq	%r12, %rsi
	callq	hipMalloc
	movq	(%rbp), %rdi
	movq	%r14, %rsi
	movq	%r12, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	movq	(%rbx), %rdi
	movq	%r13, %rsi
	movq	%r12, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	leal	511(%r15), %eax
	leal	1022(%r15), %edi
	testl	%eax, %eax
	cmovnsl	%eax, %edi
	sarl	$9, %edi
	btsq	$32, %rdi
	movabsq	$4294967296, %rdx               # imm = 0x100000000
	orq	$512, %rdx                      # imm = 0x200
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB5_2
# %bb.1:
	movq	(%rsp), %rdi
	movq	8(%rsp), %rsi
	movl	%r15d, %edx
	callq	_Z23__device_stub__multiplyPfS_i
.LBB5_2:
	movq	(%rsp), %rsi
	movq	%r14, %rdi
	movq	%r12, %rdx
	movl	$2, %ecx
	callq	hipMemcpy
	testl	%r15d, %r15d
	movq	16(%rsp), %rbx                  # 8-byte Reload
	jle	.LBB5_6
# %bb.3:                                # %.lr.ph
	movl	%r15d, %eax
	xorps	%xmm0, %xmm0
	xorl	%ecx, %ecx
.LBB5_4:                                # =>This Inner Loop Header: Depth=1
	addss	(%r14,%rcx,4), %xmm0
	incq	%rcx
	cmpq	%rcx, %rax
	jne	.LBB5_4
# %bb.5:                                # %._crit_edge
	movss	%xmm0, (%rbx)
.LBB5_6:
	movq	(%rsp), %rdi
	callq	hipFree
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	%rbx, %rax
	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
.Lfunc_end5:
	.size	_Z11GPU_big_dotPfS_i, .Lfunc_end5-_Z11GPU_big_dotPfS_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z23__device_stub__multiplyPfS_i # -- Begin function _Z23__device_stub__multiplyPfS_i
	.type	_Z23__device_stub__multiplyPfS_i,@function
_Z23__device_stub__multiplyPfS_i:       # @_Z23__device_stub__multiplyPfS_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), %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	$_Z8multiplyPfS_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_end6:
	.size	_Z23__device_stub__multiplyPfS_i, .Lfunc_end6-_Z23__device_stub__multiplyPfS_i
	.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	.LBB7_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB7_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z8multiplyPfS_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_end7:
	.size	__hip_module_ctor, .Lfunc_end7-__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	.LBB8_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
.LBB8_2:
	retq
.Lfunc_end8:
	.size	__hip_module_dtor, .Lfunc_end8-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"\ncpu result: %f\n"
	.size	.L.str, 17

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"gpu result: %f\n"
	.size	.L.str.1, 16

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"difference between 2 results is: %f < 1.0e-6 ===> correct.\n"
	.size	.L.str.2, 60

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"difference between 2 results is: %f > 1.0e-6 ===> incorrect.\nExit Now!\n"
	.size	.L.str.3, 72

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"\nCPU/GPU speedup: %f\n"
	.size	.L.str.4, 22

	.type	_Z8multiplyPfS_i,@object        # @_Z8multiplyPfS_i
	.section	.rodata,"a",@progbits
	.globl	_Z8multiplyPfS_i
	.p2align	3, 0x0
_Z8multiplyPfS_i:
	.quad	_Z23__device_stub__multiplyPfS_i
	.size	_Z8multiplyPfS_i, 8

	.type	.L.str.5,@object                # @.str.5
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str.5:
	.asciz	"%s: %.5f sec\n"
	.size	.L.str.5, 14

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z8multiplyPfS_i"
	.size	.L__unnamed_1, 17

	.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 _Z23__device_stub__multiplyPfS_i
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z8multiplyPfS_i
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z8multiplyPfS_i        ; -- Begin function _Z8multiplyPfS_i
	.globl	_Z8multiplyPfS_i
	.p2align	8
	.type	_Z8multiplyPfS_i,@function
_Z8multiplyPfS_i:                       ; @_Z8multiplyPfS_i
; %bb.0:
	s_clause 0x1
	s_load_b32 s2, s[0:1], 0x24
	s_load_b32 s3, s[0:1], 0x10
	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[0:3], s[0:1], 0x0
	v_ashrrev_i32_e32 v2, 31, v1
	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, s0, v0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v3, vcc_lo, s1, v1, vcc_lo
	v_add_co_u32 v0, vcc_lo, s2, v0
	v_add_co_ci_u32_e32 v1, vcc_lo, s3, v1, vcc_lo
	global_load_b32 v4, v[2:3], off
	global_load_b32 v0, v[0:1], off
	s_waitcnt vmcnt(0)
	v_mul_f32_e32 v0, v4, v0
	global_store_b32 v[2:3], v0, off
.LBB0_2:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z8multiplyPfS_i
		.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 5
		.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	_Z8multiplyPfS_i, .Lfunc_end0-_Z8multiplyPfS_i
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 160
; NumSgprs: 18
; NumVgprs: 5
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 5
; 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:           _Z8multiplyPfS_i
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z8multiplyPfS_i.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     5
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
