#include <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <inttypes.h>

#include <cuda.h>
#include <cuda_runtime.h>
#define BLOCK_WIDTH 32
#define TAILLE 2048

#define gettime(t) clock_gettime(CLOCK_MONOTONIC_RAW, t)
#define get_sub_seconde(t) (1e-9*(double)t.tv_nsec)
/** return time in second
*/
double get_elapsedtime(void)
{
  struct timespec st;
  int err = gettime(&st);
  if (err !=0) return 0;
  return (double)st.tv_sec + get_sub_seconde(st);
}

void init(double** A, double** B, double** C, int size)
{
  int i = 0, j = 0;

  srand(2019);

  for(i = 0; i < size; i++)
  {
    for(j = 0; j < size; j++)
    {
      A[i][j] = rand();
      B[i][j] = rand();
      C[i][j] = 0.0;
    }
  }
}

void mult(double** A, double** B, double** C, int size)
{
  int i = 0, j = 0, k = 0;

  for(i = 0; i < size; i++)
  {
    for(j = 0; j < size; j++)
    {
      double sum = 0.;
      for(k = 0; k < size; k++)
      {
        sum += A[i][k] * B[k][j];
      }
      C[i][j] = sum;
    }
  }
}

// QUESTION 4
__global__
void MulMatrixKernel(double* A, double* B, double* C, int N)
{

  __shared__ double share_A[BLOCK_WIDTH][BLOCK_WIDTH];
  __shared__ double share_B[BLOCK_WIDTH][BLOCK_WIDTH];
  double sum = 0;

  int col    = threadIdx.x + blockDim.x * blockIdx.x;
  int line  = threadIdx.y + blockDim.y * blockIdx.y;

  for(int tile = 0; tile < gridDim.x; tile++)
  {
    share_A[threadIdx.x][threadIdx.y] = A[line * N + tile * blockDim.x + threadIdx.x];
    share_B[threadIdx.x][threadIdx.y] = B[(tile*blockIdx.y + threadIdx.y) * N + col];
    __syncthreads();

    for(int i = 0; i < BLOCK_WIDTH; i++)
    {
	sum += share_A[i][threadIdx.y]*share_B[threadIdx.x][i];
    }
    __syncthreads();
  }

  C[line * N + col] = sum;

}
// FIN QUESTION 4

int main(int argc, char** argv){
  int N, i;

  double *A_data;
  double *B_data;
  double *C_data;

  double **A;
  double **B;
  double **C;

  double t0 = 0., t1 = 0., duration = 0.;

  N = (argc < 2)?TAILLE:atoi(argv[1]);
  fprintf(stdout, "Matrix Multiplication\n  Size: %dx%d\n", N, N);

  // Memory allocation
  A_data = (double*) malloc(sizeof(double) * N * N);
  B_data = (double*) malloc(sizeof(double) * N * N);
  C_data = (double*) malloc(sizeof(double) * N * N);

  A = (double**) malloc(sizeof(double *) * N);
  B = (double**) malloc(sizeof(double *) * N);
  C = (double**) malloc(sizeof(double *) * N);

  for(i = 0; i < N; i++)
  {
    A[i] = &A_data[i * N];
    B[i] = &B_data[i * N];
    C[i] = &C_data[i * N];
  }

  // Value initialization
  init(A, B, C, N);

  // QUESTION 8
  cudaEvent_t start, stop;
  cudaEventCreate(&start);
  cudaEventCreate(&stop);
  //FIN QUESTION 8

  // QUESTION 1
  double *d_A, *d_B, *d_C;
  cudaMalloc(&d_A, sizeof(double) * N * N);
  cudaMalloc(&d_B, sizeof(double) * N * N);
  cudaMalloc(&d_C, sizeof(double) * N * N);
  // FIN QUESTION 1

  // QUESTION 2
  cudaMemcpy(d_A, A_data, sizeof(double) * N * N, cudaMemcpyHostToDevice);
  cudaMemcpy(d_B, B_data, sizeof(double) * N * N, cudaMemcpyHostToDevice);
  cudaMemcpy(d_C, C_data, sizeof(double) * N * N, cudaMemcpyHostToDevice);
  // FIN QUESTION 2

  // QUESTION 3
  int nbBlocks = N / BLOCK_WIDTH;
  if(N % BLOCK_WIDTH) nbBlocks++;
  dim3 gridSize(nbBlocks, nbBlocks);
  dim3 blockSize(BLOCK_WIDTH, BLOCK_WIDTH);
  // FIN QUESTION 3

  // QUESTION 4
  cudaEventRecord(start); // QUESTION 8
  MulMatrixKernel<<<gridSize, blockSize>>>(d_A, d_B, d_C, N);
  cudaEventRecord(stop); // QUESTION 8
  // FIN QUESTION 4

  // QUESTION 5
  cudaMemcpy(C_data, d_C, sizeof(double) * N * N, cudaMemcpyDeviceToHost);
  // FIN QUESTION 5

  // QUESTION 8
  cudaEventSynchronize(stop);
  uint64_t nb_op = N * N * N;
  float milliseconds = 0;
  cudaEventElapsedTime(&milliseconds, start, stop);
  printf("Matrice %dx%d\n\tTemps: %f s\n\tMFlops: %.2f\n", N, N, milliseconds/1000, (nb_op / (milliseconds/1000))*1E-6);
  // FIN QUESTION 8

  // Compute multiplication
  t0 = get_elapsedtime();
//  mult(A, B, C, N);
  t1 = get_elapsedtime();

  // Pretty print
  duration = (t1 - t0);
  fprintf(stdout, "Performance results: \n");
  fprintf(stdout, "  Time: %lf s\n", duration);
  fprintf(stdout, "  MFlops: %.2f\n", (nb_op / duration)*1E-6);

  return 0;
}

	.file	"tmpxft_00312a9d_00000000-6_dgemm_8.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2033:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2033:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z15get_elapsedtimev
	.type	_Z15get_elapsedtimev, @function
_Z15get_elapsedtimev:
.LFB2027:
	.cfi_startproc
	endbr64
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	movl	$4, %edi
	movq	%fs:40, %rax
	movq	%rax, 24(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rsi
	call	clock_gettime@PLT
	xorps	%xmm0, %xmm0
	testl	%eax, %eax
	jne	.L2
	cvtsi2sdq	16(%rsp), %xmm0
	mulsd	.LC1(%rip), %xmm0
	cvtsi2sdq	8(%rsp), %xmm1
	addsd	%xmm1, %xmm0
.L2:
	movq	24(%rsp), %rax
	subq	%fs:40, %rax
	je	.L4
	call	__stack_chk_fail@PLT
.L4:
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2027:
	.size	_Z15get_elapsedtimev, .-_Z15get_elapsedtimev
	.globl	_Z4initPPdS0_S0_i
	.type	_Z4initPPdS0_S0_i, @function
_Z4initPPdS0_S0_i:
.LFB2028:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	movq	%rdx, %r15
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	movq	%rsi, %r14
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	movq	%rdi, %r13
	movl	$2019, %edi
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	movl	%ecx, %r12d
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	xorl	%ebx, %ebx
	subq	$24, %rsp
	.cfi_def_cfa_offset 80
	call	srand@PLT
	movslq	%r12d, %rdx
.L10:
	cmpl	%ebx, %r12d
	jle	.L15
	xorl	%ebp, %ebp
.L11:
	movq	%rdx, 8(%rsp)
	call	rand@PLT
	movq	0(%r13,%rbx,8), %rcx
	cvtsi2sdl	%eax, %xmm0
	movsd	%xmm0, (%rcx,%rbp,8)
	call	rand@PLT
	movq	(%r14,%rbx,8), %rcx
	movq	8(%rsp), %rdx
	cvtsi2sdl	%eax, %xmm0
	movq	(%r15,%rbx,8), %rax
	movsd	%xmm0, (%rcx,%rbp,8)
	movq	$0x000000000, (%rax,%rbp,8)
	incq	%rbp
	cmpq	%rdx, %rbp
	jne	.L11
	incq	%rbx
	jmp	.L10
.L15:
	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
.LFE2028:
	.size	_Z4initPPdS0_S0_i, .-_Z4initPPdS0_S0_i
	.globl	_Z4multPPdS0_S0_i
	.type	_Z4multPPdS0_S0_i, @function
_Z4multPPdS0_S0_i:
.LFB2029:
	.cfi_startproc
	endbr64
	movq	%rsi, %r9
	xorl	%esi, %esi
	movq	%rdi, %r8
	cmpl	%esi, %ecx
	jg	.L27
	ret
.L27:
	pushq	%r14
	.cfi_def_cfa_offset 16
	.cfi_offset 14, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
.L25:
	movq	(%r8,%rsi,8), %r11
	movq	(%rdx,%rsi,8), %r10
	xorl	%eax, %eax
.L21:
	leaq	0(,%rax,8), %rbx
	xorl	%edi, %edi
	xorps	%xmm0, %xmm0
.L18:
	movq	(%r9,%rdi,8), %r14
	movsd	(%r14,%rbx), %xmm1
	mulsd	(%r11,%rdi,8), %xmm1
	incq	%rdi
	addsd	%xmm1, %xmm0
	cmpl	%edi, %ecx
	jg	.L18
	movsd	%xmm0, (%r10,%rax,8)
	incq	%rax
	cmpl	%eax, %ecx
	jg	.L21
	incq	%rsi
	cmpl	%esi, %ecx
	jg	.L25
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%r14
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2029:
	.size	_Z4multPPdS0_S0_i, .-_Z4multPPdS0_S0_i
	.globl	_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i
	.type	_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i, @function
_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i:
.LFB2055:
	.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	.L28
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z15MulMatrixKernelPdS_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
.L28:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L30
	call	__stack_chk_fail@PLT
.L30:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2055:
	.size	_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i, .-_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i
	.globl	_Z15MulMatrixKernelPdS_S_i
	.type	_Z15MulMatrixKernelPdS_S_i, @function
_Z15MulMatrixKernelPdS_S_i:
.LFB2056:
	.cfi_startproc
	endbr64
	jmp	_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i
	.cfi_endproc
.LFE2056:
	.size	_Z15MulMatrixKernelPdS_S_i, .-_Z15MulMatrixKernelPdS_S_i
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC2:
	.string	"Matrix Multiplication\n  Size: %dx%d\n"
.LC6:
	.string	"Matrice %dx%d\n\tTemps: %f s\n\tMFlops: %.2f\n"
.LC7:
	.string	"Performance results: \n"
.LC8:
	.string	"  Time: %lf s\n"
.LC9:
	.string	"  MFlops: %.2f\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2030:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	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	$2048, %ebx
	subq	$104, %rsp
	.cfi_def_cfa_offset 160
	movq	%fs:40, %rax
	movq	%rax, 88(%rsp)
	xorl	%eax, %eax
	decl	%edi
	jle	.L34
	movq	8(%rsi), %rdi
	call	atoi@PLT
	movl	%eax, %ebx
.L34:
	movslq	%ebx, %r12
	movq	stdout(%rip), %rdi
	movl	%ebx, %ecx
	movl	%ebx, %r8d
	movq	%r12, %rbp
	leaq	.LC2(%rip), %rdx
	movl	$2, %esi
	xorl	%eax, %eax
	call	__fprintf_chk@PLT
	imulq	%r12, %rbp
	leaq	0(,%rbp,8), %rax
	movq	%rax, %rdi
	movq	%rax, (%rsp)
	call	malloc@PLT
	movq	(%rsp), %rdi
	movq	%rax, %r15
	call	malloc@PLT
	movq	(%rsp), %rdi
	movq	%rax, %r14
	call	malloc@PLT
	movq	%rax, %r13
	leaq	0(,%r12,8), %rax
	movq	%rax, %rdi
	movq	%rax, 8(%rsp)
	call	malloc@PLT
	movq	8(%rsp), %rdi
	movq	%rax, %rbp
	call	malloc@PLT
	movq	8(%rsp), %rdi
	movq	%rax, %r12
	call	malloc@PLT
	xorl	%esi, %esi
	xorl	%ecx, %ecx
	movq	%rax, %rdx
.L35:
	cmpl	%ecx, %ebx
	jle	.L49
	leaq	(%r15,%rsi), %rax
	movq	%rax, 0(%rbp,%rcx,8)
	leaq	(%r14,%rsi), %rax
	movq	%rax, (%r12,%rcx,8)
	leaq	0(%r13,%rsi), %rax
	movq	%rax, (%rdx,%rcx,8)
	movq	8(%rsp), %rax
	incq	%rcx
	addq	%rax, %rsi
	jmp	.L35
.L49:
	movl	%ebx, %ecx
	movq	%r12, %rsi
	movq	%rbp, %rdi
	call	_Z4initPPdS0_S0_i
	leaq	24(%rsp), %rdi
	call	cudaEventCreate@PLT
	leaq	32(%rsp), %rdi
	call	cudaEventCreate@PLT
	movq	(%rsp), %rsi
	leaq	40(%rsp), %rdi
	call	cudaMalloc@PLT
	movq	(%rsp), %rsi
	leaq	48(%rsp), %rdi
	call	cudaMalloc@PLT
	movq	(%rsp), %rsi
	leaq	56(%rsp), %rdi
	call	cudaMalloc@PLT
	movq	(%rsp), %rdx
	movq	40(%rsp), %rdi
	movq	%r15, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movq	(%rsp), %rdx
	movq	48(%rsp), %rdi
	movq	%r14, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movq	(%rsp), %rdx
	movq	56(%rsp), %rdi
	movq	%r13, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movl	%ebx, %eax
	movl	$32, %ecx
	movq	24(%rsp), %rdi
	cltd
	movl	$1, 72(%rsp)
	idivl	%ecx
	movl	$1, 84(%rsp)
	movl	%ebx, %edx
	andl	$31, %edx
	cmpl	$1, %edx
	sbbl	$-1, %eax
	xorl	%esi, %esi
	movl	%eax, 64(%rsp)
	movl	%eax, 68(%rsp)
	movabsq	$137438953504, %rax
	movq	%rax, 76(%rsp)
	call	cudaEventRecord@PLT
	movl	84(%rsp), %ecx
	movl	72(%rsp), %esi
	xorl	%r9d, %r9d
	movq	76(%rsp), %rdx
	movq	64(%rsp), %rdi
	xorl	%r8d, %r8d
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L38
	movq	56(%rsp), %rdx
	movq	48(%rsp), %rsi
	movl	%ebx, %ecx
	movq	40(%rsp), %rdi
	call	_Z40__device_stub__Z15MulMatrixKernelPdS_S_iPdS_S_i
.L38:
	movq	32(%rsp), %rdi
	movl	%ebx, %ebp
	xorl	%esi, %esi
	imull	%ebx, %ebp
	call	cudaEventRecord@PLT
	movq	(%rsp), %rdx
	movq	56(%rsp), %rsi
	movq	%r13, %rdi
	movl	$2, %ecx
	call	cudaMemcpy@PLT
	imull	%ebx, %ebp
	movq	32(%rsp), %rdi
	call	cudaEventSynchronize@PLT
	movq	32(%rsp), %rdx
	movq	24(%rsp), %rsi
	leaq	20(%rsp), %rdi
	movslq	%ebp, %rbp
	movl	$0x00000000, 20(%rsp)
	call	cudaEventElapsedTime@PLT
	movss	20(%rsp), %xmm0
	divss	.LC4(%rip), %xmm0
	testq	%rbp, %rbp
	js	.L39
	cvtsi2ssq	%rbp, %xmm1
	jmp	.L40
.L39:
	movq	%rbp, %rax
	movq	%rbp, %rdx
	shrq	%rax
	andl	$1, %edx
	orq	%rdx, %rax
	cvtsi2ssq	%rax, %xmm1
	addss	%xmm1, %xmm1
.L40:
	divss	%xmm0, %xmm1
	movl	%ebx, %ecx
	movl	%ebx, %edx
	movl	$2, %edi
	leaq	.LC6(%rip), %rsi
	movb	$2, %al
	cvtss2sd	%xmm0, %xmm0
	cvtss2sd	%xmm1, %xmm1
	mulsd	.LC5(%rip), %xmm1
	call	__printf_chk@PLT
	call	_Z15get_elapsedtimev
	movsd	%xmm0, (%rsp)
	call	_Z15get_elapsedtimev
	subsd	(%rsp), %xmm0
	movl	$2, %esi
	xorl	%eax, %eax
	movq	stdout(%rip), %rdi
	leaq	.LC7(%rip), %rdx
	movsd	%xmm0, (%rsp)
	call	__fprintf_chk@PLT
	movsd	(%rsp), %xmm0
	movl	$2, %esi
	movb	$1, %al
	movq	stdout(%rip), %rdi
	leaq	.LC8(%rip), %rdx
	call	__fprintf_chk@PLT
	testq	%rbp, %rbp
	js	.L41
	cvtsi2sdq	%rbp, %xmm0
	jmp	.L42
.L41:
	movq	%rbp, %rax
	andl	$1, %ebp
	shrq	%rax
	orq	%rbp, %rax
	cvtsi2sdq	%rax, %xmm0
	addsd	%xmm0, %xmm0
.L42:
	divsd	(%rsp), %xmm0
	mulsd	.LC5(%rip), %xmm0
	movl	$2, %esi
	movb	$1, %al
	movq	stdout(%rip), %rdi
	leaq	.LC9(%rip), %rdx
	call	__fprintf_chk@PLT
	movq	88(%rsp), %rax
	subq	%fs:40, %rax
	je	.L43
	call	__stack_chk_fail@PLT
.L43:
	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
.LFE2030:
	.size	main, .-main
	.section	.rodata.str1.1
.LC10:
	.string	"_Z15MulMatrixKernelPdS_S_i"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2058:
	.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	_Z15MulMatrixKernelPdS_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
.LFE2058:
	.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
.LC1:
	.long	-400107883
	.long	1041313291
	.section	.rodata.cst4,"aM",@progbits,4
	.align 4
.LC4:
	.long	1148846080
	.section	.rodata.cst8
	.align 8
.LC5:
	.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 <stdio.h>
#include <stdlib.h>
#include <time.h>
#include <inttypes.h>

#include <hip/hip_runtime.h>

#define BLOCK_WIDTH 32
#define TAILLE 2048

#define gettime(t) clock_gettime(CLOCK_MONOTONIC_RAW, t)
#define get_sub_seconde(t) (1e-9*(double)t.tv_nsec)
/** return time in second
*/
double get_elapsedtime(void)
{
  struct timespec st;
  int err = gettime(&st);
  if (err !=0) return 0;
  return (double)st.tv_sec + get_sub_seconde(st);
}

void init(double** A, double** B, double** C, int size)
{
  int i = 0, j = 0;

  srand(2019);

  for(i = 0; i < size; i++)
  {
    for(j = 0; j < size; j++)
    {
      A[i][j] = rand();
      B[i][j] = rand();
      C[i][j] = 0.0;
    }
  }
}

void mult(double** A, double** B, double** C, int size)
{
  int i = 0, j = 0, k = 0;

  for(i = 0; i < size; i++)
  {
    for(j = 0; j < size; j++)
    {
      double sum = 0.;
      for(k = 0; k < size; k++)
      {
        sum += A[i][k] * B[k][j];
      }
      C[i][j] = sum;
    }
  }
}

// QUESTION 4
__global__
void MulMatrixKernel(double* A, double* B, double* C, int N)
{

  __shared__ double share_A[BLOCK_WIDTH][BLOCK_WIDTH];
  __shared__ double share_B[BLOCK_WIDTH][BLOCK_WIDTH];
  double sum = 0;

  int col    = threadIdx.x + blockDim.x * blockIdx.x;
  int line  = threadIdx.y + blockDim.y * blockIdx.y;

  for(int tile = 0; tile < gridDim.x; tile++)
  {
    share_A[threadIdx.x][threadIdx.y] = A[line * N + tile * blockDim.x + threadIdx.x];
    share_B[threadIdx.x][threadIdx.y] = B[(tile*blockIdx.y + threadIdx.y) * N + col];
    __syncthreads();

    for(int i = 0; i < BLOCK_WIDTH; i++)
    {
	sum += share_A[i][threadIdx.y]*share_B[threadIdx.x][i];
    }
    __syncthreads();
  }

  C[line * N + col] = sum;

}
// FIN QUESTION 4

int main(int argc, char** argv){
  int N, i;

  double *A_data;
  double *B_data;
  double *C_data;

  double **A;
  double **B;
  double **C;

  double t0 = 0., t1 = 0., duration = 0.;

  N = (argc < 2)?TAILLE:atoi(argv[1]);
  fprintf(stdout, "Matrix Multiplication\n  Size: %dx%d\n", N, N);

  // Memory allocation
  A_data = (double*) malloc(sizeof(double) * N * N);
  B_data = (double*) malloc(sizeof(double) * N * N);
  C_data = (double*) malloc(sizeof(double) * N * N);

  A = (double**) malloc(sizeof(double *) * N);
  B = (double**) malloc(sizeof(double *) * N);
  C = (double**) malloc(sizeof(double *) * N);

  for(i = 0; i < N; i++)
  {
    A[i] = &A_data[i * N];
    B[i] = &B_data[i * N];
    C[i] = &C_data[i * N];
  }

  // Value initialization
  init(A, B, C, N);

  // QUESTION 8
  hipEvent_t start, stop;
  hipEventCreate(&start);
  hipEventCreate(&stop);
  //FIN QUESTION 8

  // QUESTION 1
  double *d_A, *d_B, *d_C;
  hipMalloc(&d_A, sizeof(double) * N * N);
  hipMalloc(&d_B, sizeof(double) * N * N);
  hipMalloc(&d_C, sizeof(double) * N * N);
  // FIN QUESTION 1

  // QUESTION 2
  hipMemcpy(d_A, A_data, sizeof(double) * N * N, hipMemcpyHostToDevice);
  hipMemcpy(d_B, B_data, sizeof(double) * N * N, hipMemcpyHostToDevice);
  hipMemcpy(d_C, C_data, sizeof(double) * N * N, hipMemcpyHostToDevice);
  // FIN QUESTION 2

  // QUESTION 3
  int nbBlocks = N / BLOCK_WIDTH;
  if(N % BLOCK_WIDTH) nbBlocks++;
  dim3 gridSize(nbBlocks, nbBlocks);
  dim3 blockSize(BLOCK_WIDTH, BLOCK_WIDTH);
  // FIN QUESTION 3

  // QUESTION 4
  hipEventRecord(start); // QUESTION 8
  MulMatrixKernel<<<gridSize, blockSize>>>(d_A, d_B, d_C, N);
  hipEventRecord(stop); // QUESTION 8
  // FIN QUESTION 4

  // QUESTION 5
  hipMemcpy(C_data, d_C, sizeof(double) * N * N, hipMemcpyDeviceToHost);
  // FIN QUESTION 5

  // QUESTION 8
  hipEventSynchronize(stop);
  uint64_t nb_op = N * N * N;
  float milliseconds = 0;
  hipEventElapsedTime(&milliseconds, start, stop);
  printf("Matrice %dx%d\n\tTemps: %f s\n\tMFlops: %.2f\n", N, N, milliseconds/1000, (nb_op / (milliseconds/1000))*1E-6);
  // FIN QUESTION 8

  // Compute multiplication
  t0 = get_elapsedtime();
//  mult(A, B, C, N);
  t1 = get_elapsedtime();

  // Pretty print
  duration = (t1 - t0);
  fprintf(stdout, "Performance results: \n");
  fprintf(stdout, "  Time: %lf s\n", duration);
  fprintf(stdout, "  MFlops: %.2f\n", (nb_op / duration)*1E-6);

  return 0;
}

	.text
	.file	"dgemm_8.hip"
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function _Z15get_elapsedtimev
.LCPI0_0:
	.quad	0x3e112e0be826d695              # double 1.0000000000000001E-9
	.text
	.globl	_Z15get_elapsedtimev
	.type	_Z15get_elapsedtimev,@function
_Z15get_elapsedtimev:                   # @_Z15get_elapsedtimev
	.cfi_startproc
# %bb.0:
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	leaq	8(%rsp), %rsi
	movl	$4, %edi
	callq	clock_gettime
	xorpd	%xmm0, %xmm0
	testl	%eax, %eax
	jne	.LBB0_2
# %bb.1:
	cvtsi2sdq	8(%rsp), %xmm1
	xorps	%xmm0, %xmm0
	cvtsi2sdq	16(%rsp), %xmm0
	mulsd	.LCPI0_0(%rip), %xmm0
	addsd	%xmm1, %xmm0
.LBB0_2:
	addq	$24, %rsp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end0:
	.size	_Z15get_elapsedtimev, .Lfunc_end0-_Z15get_elapsedtimev
	.cfi_endproc
                                        # -- End function
	.globl	_Z4initPPdS0_S0_i               # -- Begin function _Z4initPPdS0_S0_i
	.type	_Z4initPPdS0_S0_i,@function
_Z4initPPdS0_S0_i:                      # @_Z4initPPdS0_S0_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	%ecx, %ebp
	movq	%rdx, %rbx
	movq	%rsi, %r14
	movq	%rdi, %r15
	movl	$2019, %edi                     # imm = 0x7E3
	callq	srand
	testl	%ebp, %ebp
	jle	.LBB1_5
# %bb.1:                                # %.preheader.lr.ph
	movl	%ebp, %r12d
	xorl	%r13d, %r13d
.LBB1_2:                                # %.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB1_3 Depth 2
	xorl	%ebp, %ebp
.LBB1_3:                                #   Parent Loop BB1_2 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2sd	%eax, %xmm0
	movq	(%r15,%r13,8), %rax
	movsd	%xmm0, (%rax,%rbp,8)
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2sd	%eax, %xmm0
	movq	(%r14,%r13,8), %rax
	movsd	%xmm0, (%rax,%rbp,8)
	movq	(%rbx,%r13,8), %rax
	movq	$0, (%rax,%rbp,8)
	incq	%rbp
	cmpq	%rbp, %r12
	jne	.LBB1_3
# %bb.4:                                # %._crit_edge
                                        #   in Loop: Header=BB1_2 Depth=1
	incq	%r13
	cmpq	%r12, %r13
	jne	.LBB1_2
.LBB1_5:                                # %._crit_edge18
	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	_Z4initPPdS0_S0_i, .Lfunc_end1-_Z4initPPdS0_S0_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z4multPPdS0_S0_i               # -- Begin function _Z4multPPdS0_S0_i
	.type	_Z4multPPdS0_S0_i,@function
_Z4multPPdS0_S0_i:                      # @_Z4multPPdS0_S0_i
	.cfi_startproc
# %bb.0:
	testl	%ecx, %ecx
	jle	.LBB2_8
# %bb.1:                                # %.preheader23.lr.ph
	pushq	%rbx
	.cfi_def_cfa_offset 16
	.cfi_offset %rbx, -16
	movl	%ecx, %eax
	xorl	%ecx, %ecx
.LBB2_2:                                # %.preheader.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB2_3 Depth 2
                                        #       Child Loop BB2_4 Depth 3
	movq	(%rdx,%rcx,8), %r8
	movq	(%rdi,%rcx,8), %r9
	xorl	%r10d, %r10d
.LBB2_3:                                # %.preheader
                                        #   Parent Loop BB2_2 Depth=1
                                        # =>  This Loop Header: Depth=2
                                        #       Child Loop BB2_4 Depth 3
	xorpd	%xmm0, %xmm0
	xorl	%r11d, %r11d
.LBB2_4:                                #   Parent Loop BB2_2 Depth=1
                                        #     Parent Loop BB2_3 Depth=2
                                        # =>    This Inner Loop Header: Depth=3
	movsd	(%r9,%r11,8), %xmm1             # xmm1 = mem[0],zero
	movq	(%rsi,%r11,8), %rbx
	mulsd	(%rbx,%r10,8), %xmm1
	addsd	%xmm1, %xmm0
	incq	%r11
	cmpq	%r11, %rax
	jne	.LBB2_4
# %bb.5:                                # %._crit_edge
                                        #   in Loop: Header=BB2_3 Depth=2
	movsd	%xmm0, (%r8,%r10,8)
	incq	%r10
	cmpq	%rax, %r10
	jne	.LBB2_3
# %bb.6:                                # %._crit_edge27
                                        #   in Loop: Header=BB2_2 Depth=1
	incq	%rcx
	cmpq	%rax, %rcx
	jne	.LBB2_2
# %bb.7:
	popq	%rbx
	.cfi_def_cfa_offset 8
	.cfi_restore %rbx
.LBB2_8:                                # %._crit_edge29
	retq
.Lfunc_end2:
	.size	_Z4multPPdS0_S0_i, .Lfunc_end2-_Z4multPPdS0_S0_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z30__device_stub__MulMatrixKernelPdS_S_i # -- Begin function _Z30__device_stub__MulMatrixKernelPdS_S_i
	.type	_Z30__device_stub__MulMatrixKernelPdS_S_i,@function
_Z30__device_stub__MulMatrixKernelPdS_S_i: # @_Z30__device_stub__MulMatrixKernelPdS_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	$_Z15MulMatrixKernelPdS_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_end3:
	.size	_Z30__device_stub__MulMatrixKernelPdS_S_i, .Lfunc_end3-_Z30__device_stub__MulMatrixKernelPdS_S_i
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function main
.LCPI4_0:
	.long	0x447a0000                      # float 1000
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0
.LCPI4_1:
	.quad	0x3eb0c6f7a0b5ed8d              # double 9.9999999999999995E-7
	.section	.rodata.cst16,"aM",@progbits,16
	.p2align	4, 0x0
.LCPI4_2:
	.long	1127219200                      # 0x43300000
	.long	1160773632                      # 0x45300000
	.long	0                               # 0x0
	.long	0                               # 0x0
.LCPI4_3:
	.quad	0x4330000000000000              # double 4503599627370496
	.quad	0x4530000000000000              # double 1.9342813113834067E+25
	.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	$72, %rsp
	.cfi_def_cfa_offset 128
	.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	$2048, %ebx                     # imm = 0x800
	cmpl	$2, %edi
	jl	.LBB4_2
# %bb.1:
	movq	8(%rsi), %rdi
	callq	atoi
	movl	%eax, %ebx
.LBB4_2:
	movq	stdout(%rip), %rdi
	movl	$.L.str, %esi
	movl	%ebx, %edx
	movl	%ebx, %ecx
	xorl	%eax, %eax
	callq	fprintf
	movslq	%ebx, %r13
	leaq	(,%r13,8), %rbp
	movq	%rbp, %r14
	imulq	%r13, %r14
	movq	%r14, %rdi
	callq	malloc
	movq	%rax, 16(%rsp)                  # 8-byte Spill
	movq	%r14, %rdi
	callq	malloc
	movq	%rax, (%rsp)                    # 8-byte Spill
	movq	%r14, %rdi
	callq	malloc
	movq	%rax, 40(%rsp)                  # 8-byte Spill
	movq	%rbp, %rdi
	callq	malloc
	movq	%rax, %r15
	movq	%rbp, %rdi
	callq	malloc
	movq	%rax, %r12
	movq	%rbp, %rdi
	callq	malloc
	testl	%r13d, %r13d
	movq	40(%rsp), %r13                  # 8-byte Reload
	jle	.LBB4_5
# %bb.3:                                # %.lr.ph.preheader
	movl	%ebx, %ecx
	xorl	%edx, %edx
	movq	16(%rsp), %rsi                  # 8-byte Reload
	movq	(%rsp), %rdi                    # 8-byte Reload
	movq	%r13, %r8
.LBB4_4:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movq	%rsi, (%r15,%rdx,8)
	movq	%rdi, (%r12,%rdx,8)
	movq	%r8, (%rax,%rdx,8)
	incq	%rdx
	addq	%rbp, %r8
	addq	%rbp, %rdi
	addq	%rbp, %rsi
	cmpq	%rdx, %rcx
	jne	.LBB4_4
.LBB4_5:                                # %._crit_edge
	movq	%r15, %rdi
	movq	%r12, %rsi
	movq	%rax, %rdx
	movl	%ebx, %ecx
	callq	_Z4initPPdS0_S0_i
	leaq	32(%rsp), %rdi
	callq	hipEventCreate
	leaq	8(%rsp), %rdi
	callq	hipEventCreate
	leaq	56(%rsp), %r15
	movq	%r15, %rdi
	movq	%r14, %rsi
	callq	hipMalloc
	leaq	48(%rsp), %r12
	movq	%r12, %rdi
	movq	%r14, %rsi
	callq	hipMalloc
	leaq	24(%rsp), %rbp
	movq	%rbp, %rdi
	movq	%r14, %rsi
	callq	hipMalloc
	movq	(%r15), %rdi
	movq	16(%rsp), %rsi                  # 8-byte Reload
	movq	%r14, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	movq	(%r12), %rdi
	movq	(%rsp), %rsi                    # 8-byte Reload
	movq	%r14, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	movq	(%rbp), %rdi
	movq	%r13, %rsi
	movq	%r14, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	leal	31(%rbx), %eax
	testl	%ebx, %ebx
	cmovnsl	%ebx, %eax
	sarl	$5, %eax
	movl	%ebx, %ecx
	andl	$31, %ecx
	cmpl	$1, %ecx
	sbbl	$-1, %eax
	movq	%rax, %r15
	shlq	$32, %r15
	orq	%rax, %r15
	leaq	32(%rsp), %rax
	movq	(%rax), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movabsq	$137438953504, %rdx             # imm = 0x2000000020
	movq	%r15, %rdi
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB4_7
# %bb.6:
	movq	56(%rsp), %rdi
	movq	48(%rsp), %rsi
	movq	24(%rsp), %rdx
	movl	%ebx, %ecx
	callq	_Z30__device_stub__MulMatrixKernelPdS_S_i
.LBB4_7:
	movq	8(%rsp), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	24(%rsp), %rsi
	movq	%r13, %rdi
	movq	%r14, %rdx
	movl	$2, %ecx
	callq	hipMemcpy
	movq	8(%rsp), %rdi
	callq	hipEventSynchronize
	movl	%ebx, %r12d
	imull	%r12d, %r12d
	imull	%ebx, %r12d
	movslq	%r12d, %r15
	leaq	68(%rsp), %r14
	movl	$0, (%r14)
	movq	32(%rsp), %rsi
	movq	8(%rsp), %rdx
	movq	%r14, %rdi
	callq	hipEventElapsedTime
	movss	(%r14), %xmm1                   # xmm1 = mem[0],zero,zero,zero
	divss	.LCPI4_0(%rip), %xmm1
	cvtss2sd	%xmm1, %xmm0
	testq	%r15, %r15
	js	.LBB4_8
# %bb.9:
	cvtsi2ss	%r12d, %xmm2
	jmp	.LBB4_10
.LBB4_8:
	movq	%r15, %rax
	shrq	%rax
	andl	$1, %r12d
	orq	%rax, %r12
	cvtsi2ss	%r12, %xmm2
	addss	%xmm2, %xmm2
.LBB4_10:
	divss	%xmm1, %xmm2
	xorps	%xmm1, %xmm1
	cvtss2sd	%xmm2, %xmm1
	mulsd	.LCPI4_1(%rip), %xmm1
	movl	$.L.str.1, %edi
	movl	%ebx, %esi
	movl	%ebx, %edx
	movb	$2, %al
	callq	printf
	callq	_Z15get_elapsedtimev
	movsd	%xmm0, (%rsp)                   # 8-byte Spill
	callq	_Z15get_elapsedtimev
	subsd	(%rsp), %xmm0                   # 8-byte Folded Reload
	movsd	%xmm0, (%rsp)                   # 8-byte Spill
	movq	stdout(%rip), %rcx
	movl	$.L.str.2, %edi
	movl	$22, %esi
	movl	$1, %edx
	callq	fwrite@PLT
	movq	stdout(%rip), %rdi
	movl	$.L.str.3, %esi
	movsd	(%rsp), %xmm0                   # 8-byte Reload
                                        # xmm0 = mem[0],zero
	movb	$1, %al
	callq	fprintf
	movq	%r15, %xmm1
	punpckldq	.LCPI4_2(%rip), %xmm1   # xmm1 = xmm1[0],mem[0],xmm1[1],mem[1]
	movq	stdout(%rip), %rdi
	subpd	.LCPI4_3(%rip), %xmm1
	movapd	%xmm1, %xmm0
	unpckhpd	%xmm1, %xmm0                    # xmm0 = xmm0[1],xmm1[1]
	addsd	%xmm1, %xmm0
	divsd	(%rsp), %xmm0                   # 8-byte Folded Reload
	mulsd	.LCPI4_1(%rip), %xmm0
	movl	$.L.str.4, %esi
	movb	$1, %al
	callq	fprintf
	xorl	%eax, %eax
	addq	$72, %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	$_Z15MulMatrixKernelPdS_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	_Z15MulMatrixKernelPdS_S_i,@object # @_Z15MulMatrixKernelPdS_S_i
	.section	.rodata,"a",@progbits
	.globl	_Z15MulMatrixKernelPdS_S_i
	.p2align	3, 0x0
_Z15MulMatrixKernelPdS_S_i:
	.quad	_Z30__device_stub__MulMatrixKernelPdS_S_i
	.size	_Z15MulMatrixKernelPdS_S_i, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"Matrix Multiplication\n  Size: %dx%d\n"
	.size	.L.str, 37

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"Matrice %dx%d\n\tTemps: %f s\n\tMFlops: %.2f\n"
	.size	.L.str.1, 42

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"Performance results: \n"
	.size	.L.str.2, 23

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"  Time: %lf s\n"
	.size	.L.str.3, 15

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"  MFlops: %.2f\n"
	.size	.L.str.4, 16

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z15MulMatrixKernelPdS_S_i"
	.size	.L__unnamed_1, 27

	.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 _Z30__device_stub__MulMatrixKernelPdS_S_i
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z15MulMatrixKernelPdS_S_i
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z15MulMatrixKernelPdS_S_i ; -- Begin function _Z15MulMatrixKernelPdS_S_i
	.globl	_Z15MulMatrixKernelPdS_S_i
	.p2align	8
	.type	_Z15MulMatrixKernelPdS_S_i,@function
_Z15MulMatrixKernelPdS_S_i:             ; @_Z15MulMatrixKernelPdS_S_i
; %bb.0:
	s_clause 0x2
	s_load_b32 s8, s[0:1], 0x2c
	s_load_b32 s2, s[0:1], 0x18
	s_load_b32 s3, s[0:1], 0x20
	v_bfe_u32 v2, v0, 10, 10
	s_clause 0x1
	s_load_b128 s[4:7], s[0:1], 0x0
	s_load_b64 s[0:1], s[0:1], 0x10
	s_waitcnt lgkmcnt(0)
	s_lshr_b32 s9, s8, 16
	s_and_b32 s8, s8, 0xffff
	v_mad_u64_u32 v[4:5], null, s15, s9, v[2:3]
	v_and_b32_e32 v3, 0x3ff, v0
	s_cmp_eq_u32 s3, 0
	s_mov_b32 s9, 0
	s_delay_alu instid0(VALU_DEP_1)
	v_mad_u64_u32 v[0:1], null, s14, s8, v[3:4]
	v_mul_lo_u32 v5, v4, s2
	s_cbranch_scc1 .LBB0_5
; %bb.1:                                ; %.lr.ph
	v_lshlrev_b32_e32 v8, 8, v3
	v_lshlrev_b32_e32 v6, 3, v2
	s_delay_alu instid0(VALU_DEP_3) | instskip(SKIP_1) | instid1(VALU_DEP_4)
	v_dual_mov_b32 v10, 0 :: v_dual_add_nc_u32 v1, v5, v3
	v_mov_b32_e32 v3, 0
	v_dual_mov_b32 v4, 0 :: v_dual_add_nc_u32 v7, 0x2000, v8
	s_delay_alu instid0(VALU_DEP_4) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_add_nc_u32_e32 v8, v8, v6
	v_add_nc_u32_e32 v9, v7, v6
.LBB0_2:                                ; =>This Loop Header: Depth=1
                                        ;     Child Loop BB0_3 Depth 2
	s_delay_alu instid0(VALU_DEP_4) | instskip(SKIP_3) | instid1(VALU_DEP_3)
	v_mad_u64_u32 v[11:12], null, s9, s15, v[2:3]
	v_mad_u64_u32 v[12:13], null, s9, s8, v[1:2]
	v_mov_b32_e32 v13, v10
	s_mov_b32 s10, 0
	v_mad_u64_u32 v[14:15], null, v11, s2, v[0:1]
	v_mov_b32_e32 v15, v10
	s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_lshlrev_b64 v[11:12], 3, v[12:13]
	v_lshlrev_b64 v[13:14], 3, v[14:15]
	s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_3)
	v_add_co_u32 v11, vcc_lo, s4, v11
	v_add_co_ci_u32_e32 v12, vcc_lo, s5, v12, vcc_lo
	s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_4)
	v_add_co_u32 v13, vcc_lo, s6, v13
	v_add_co_ci_u32_e32 v14, vcc_lo, s7, v14, vcc_lo
	global_load_b64 v[15:16], v[11:12], off
	global_load_b64 v[12:13], v[13:14], off
	v_mov_b32_e32 v11, v6
	s_waitcnt vmcnt(1)
	ds_store_b64 v8, v[15:16]
	s_waitcnt vmcnt(0)
	ds_store_b64 v9, v[12:13]
	s_waitcnt lgkmcnt(0)
	s_barrier
	buffer_gl0_inv
.LBB0_3:                                ;   Parent Loop BB0_2 Depth=1
                                        ; =>  This Inner Loop Header: Depth=2
	v_add_nc_u32_e32 v14, s10, v7
	s_add_i32 s10, s10, 8
	ds_load_b64 v[12:13], v11
	ds_load_b64 v[14:15], v14
	v_add_nc_u32_e32 v11, 0x100, v11
	s_cmpk_eq_i32 s10, 0x100
	s_waitcnt lgkmcnt(0)
	v_fma_f64 v[3:4], v[12:13], v[14:15], v[3:4]
	s_cbranch_scc0 .LBB0_3
; %bb.4:                                ;   in Loop: Header=BB0_2 Depth=1
	s_add_i32 s9, s9, 1
	s_delay_alu instid0(SALU_CYCLE_1)
	s_cmp_eq_u32 s9, s3
	s_barrier
	buffer_gl0_inv
	s_cbranch_scc0 .LBB0_2
	s_branch .LBB0_6
.LBB0_5:
	v_mov_b32_e32 v3, 0
	v_mov_b32_e32 v4, 0
.LBB0_6:                                ; %Flow47
	s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_add_nc_u32_e32 v0, v5, v0
	v_ashrrev_i32_e32 v1, 31, v0
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[0:1], 3, v[0:1]
	v_add_co_u32 v0, vcc_lo, s0, v0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v1, vcc_lo, s1, v1, vcc_lo
	global_store_b64 v[0:1], v[3:4], off
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z15MulMatrixKernelPdS_S_i
		.amdhsa_group_segment_fixed_size 16384
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 288
		.amdhsa_user_sgpr_count 14
		.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 1
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 1
		.amdhsa_next_free_vgpr 17
		.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	_Z15MulMatrixKernelPdS_S_i, .Lfunc_end0-_Z15MulMatrixKernelPdS_S_i
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 472
; NumSgprs: 18
; NumVgprs: 17
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 16384 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 2
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 17
; Occupancy: 16
; WaveLimiterHint : 0
; COMPUTE_PGM_RSRC2:SCRATCH_EN: 0
; COMPUTE_PGM_RSRC2:USER_SGPR: 14
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 1
	.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: 16384
    .kernarg_segment_align: 8
    .kernarg_segment_size: 288
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z15MulMatrixKernelPdS_S_i
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z15MulMatrixKernelPdS_S_i.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     17
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
