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

inline double nowSec()
{
	struct timeval t;
	struct timezone tzp;
	gettimeofday(&t, &tzp);
	return t.tv_sec + t.tv_usec*1e-6;
}

__host__ void host_mmul (int *A, int *B, int *C, int N)
{
	for(int i=0; i<N; i++)
	{
		for (int j=0; j<N; j++)
		{
			for(int k=0; k<N; k++)
			{
				*(C+ i*N+j)+=*(A+i*N + k) * *(B+k*N+j);
			}
		}
	}
}

__global__ void global_mmul (int *A, int *B, int *C, int N)
{
	int i=blockIdx.y;
	int j=blockIdx.x;
	for (int k=0; k<N; k++)
	{
		*(C+ i*N+j)+=*(A+i*N + k) * *(B+k*N+j);
	}	
}

#ifdef PRINT
void printMtx (int *m, int N)
{
	for (int i=0; i<N*N; i++)
	{
		if (i>0 && i%N == 0)
			fprintf(stderr, "\n");

		fprintf(stderr, "%d\t",*m);

		m++;
	}
}
#endif


int main(int argc, char **argv)
{
	if (argc != 2)
	{
		puts("Usage: Matrix_mult [N]\n");
		return -1;
	}
	
	int N=atoi(argv[1]);
	int NN=N*N;
	int i;
	int *A, *B, *C_host, *C_device;
	int *ptrA, *ptrB;

	cudaMallocManaged(&A, NN*sizeof(int));
	cudaMallocManaged(&B, NN*sizeof(int));
	cudaMallocManaged(&C_device, NN*sizeof(int));
	cudaMallocManaged(&C_host, NN*sizeof(int));
	cudaDeviceSynchronize(); //attende che la memoria sia allocata

	for (i=0, ptrA=A, ptrB=B ; i<N; i++)
	{
		for (int j=0; j<N; j++)
		{
			*ptrA=i*N+j;
			*ptrB=0;
			if (i==j)
				*ptrB=1;

			ptrA++;
			ptrB++;
		}
	}

#ifdef PRINT
	fprintf(stderr,"A=\n");
	printMtx(A, N);
	fprintf(stderr,"\n\nB=\n");
	printMtx(B, N);
	fprintf(stderr,"\n\n");
#endif

	double t_begin_cpu = nowSec();
	host_mmul(A, B, C_host, N);
	double t_end_cpu = nowSec();

	dim3 blockPerGrid(N,N);
	dim3 threadPerBlock(1,1);

	double t_begin_gpu = nowSec();
	global_mmul <<< blockPerGrid, threadPerBlock >>> (A,B,C_device,N);
	cudaDeviceSynchronize();
	double t_end_gpu = nowSec();
	
#ifdef PRINT
	fprintf(stderr,"C_host=\n");
	printMtx(C_host, N);
	fprintf(stderr,"\n\nC_device=\n");
	printMtx(C_device, N);
	fprintf(stderr,"\n");
#endif

	printf("Elapsed time CPU: %f sec\n", t_end_cpu  - t_begin_cpu);
	printf("Elapsed time GPU: %f sec\n", t_end_gpu  - t_begin_gpu);
	
	cudaFree(A);
	cudaFree(B);
	cudaFree(C_device);
	cudaFree(C_host);

	return 0;
}


	.file	"tmpxft_0031edf2_00000000-6_Matrix_mult.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2032:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2032:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.section	.text._Z6nowSecv,"axG",@progbits,_Z6nowSecv,comdat
	.weak	_Z6nowSecv
	.type	_Z6nowSecv, @function
_Z6nowSecv:
.LFB2027:
	.cfi_startproc
	endbr64
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	movq	%fs:40, %rax
	movq	%rax, 24(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rsi
	leaq	8(%rsp), %rdi
	call	gettimeofday@PLT
	cvtsi2sdq	16(%rsp), %xmm0
	mulsd	.LC0(%rip), %xmm0
	cvtsi2sdq	8(%rsp), %xmm1
	addsd	%xmm1, %xmm0
	movq	24(%rsp), %rax
	subq	%fs:40, %rax
	je	.L3
	call	__stack_chk_fail@PLT
.L3:
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2027:
	.size	_Z6nowSecv, .-_Z6nowSecv
	.text
	.globl	_Z9host_mmulPiS_S_i
	.type	_Z9host_mmulPiS_S_i, @function
_Z9host_mmulPiS_S_i:
.LFB2028:
	.cfi_startproc
	endbr64
	pushq	%r14
	.cfi_def_cfa_offset 16
	.cfi_offset 14, -16
	movq	%rdi, %r8
	movq	%rdx, %r9
	xorl	%r10d, %r10d
	pushq	%r13
	.cfi_def_cfa_offset 24
	.cfi_offset 13, -24
	movslq	%ecx, %r13
	xorl	%r11d, %r11d
	pushq	%r12
	.cfi_def_cfa_offset 32
	.cfi_offset 12, -32
	movq	%r13, %rax
	leaq	0(,%r13,4), %r14
	pushq	%rbp
	.cfi_def_cfa_offset 40
	.cfi_offset 6, -40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	.cfi_offset 3, -48
	movq	%rsi, %rbx
.L7:
	cmpl	%eax, %r11d
	jge	.L6
	leaq	0(,%r10,4), %rdx
	leaq	(%r9,%rdx), %rsi
	leaq	(%r8,%rdx), %rcx
	xorl	%edx, %edx
.L11:
	leaq	(%rbx,%rdx,4), %rbp
	xorl	%edi, %edi
.L8:
	movl	(%rcx,%rdi,4), %r12d
	incq	%rdi
	imull	0(%rbp), %r12d
	addq	%r14, %rbp
	addl	%r12d, (%rsi)
	cmpl	%edi, %eax
	jg	.L8
	incq	%rdx
	addq	$4, %rsi
	cmpl	%edx, %eax
	jg	.L11
	incl	%r11d
	addq	%r13, %r10
	jmp	.L7
.L6:
	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
.LFE2028:
	.size	_Z9host_mmulPiS_S_i, .-_Z9host_mmulPiS_S_i
	.globl	_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i
	.type	_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i, @function
_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i:
.LFB2054:
	.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	.L14
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z11global_mmulPiS_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
.L14:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L16
	call	__stack_chk_fail@PLT
.L16:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2054:
	.size	_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i, .-_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i
	.globl	_Z11global_mmulPiS_S_i
	.type	_Z11global_mmulPiS_S_i, @function
_Z11global_mmulPiS_S_i:
.LFB2055:
	.cfi_startproc
	endbr64
	jmp	_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i
	.cfi_endproc
.LFE2055:
	.size	_Z11global_mmulPiS_S_i, .-_Z11global_mmulPiS_S_i
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"Usage: Matrix_mult [N]\n"
.LC2:
	.string	"Elapsed time CPU: %f sec\n"
.LC3:
	.string	"Elapsed time GPU: %f sec\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2029:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	subq	$88, %rsp
	.cfi_def_cfa_offset 112
	movq	%fs:40, %rax
	movq	%rax, 72(%rsp)
	xorl	%eax, %eax
	cmpl	$2, %edi
	je	.L20
	leaq	.LC1(%rip), %rdi
	call	puts@PLT
	orl	$-1, %eax
	jmp	.L19
.L20:
	movq	8(%rsi), %rdi
	call	atoi@PLT
	leaq	16(%rsp), %rdi
	movl	$1, %edx
	movl	%eax, %ebp
	movl	%eax, %ebx
	imull	%eax, %ebp
	movslq	%ebp, %rbp
	salq	$2, %rbp
	movq	%rbp, %rsi
	call	cudaMallocManaged@PLT
	leaq	24(%rsp), %rdi
	movl	$1, %edx
	movq	%rbp, %rsi
	call	cudaMallocManaged@PLT
	leaq	40(%rsp), %rdi
	movl	$1, %edx
	movq	%rbp, %rsi
	call	cudaMallocManaged@PLT
	leaq	32(%rsp), %rdi
	movl	$1, %edx
	movq	%rbp, %rsi
	call	cudaMallocManaged@PLT
	call	cudaDeviceSynchronize@PLT
	leal	-1(%rbx), %eax
	movq	16(%rsp), %rcx
	xorl	%edi, %edi
	movq	24(%rsp), %rsi
	leaq	4(,%rax,4), %r8
	xorl	%edx, %edx
.L22:
	cmpl	%ebx, %edx
	jge	.L29
	xorl	%eax, %eax
.L23:
	leal	(%rdi,%rax), %r9d
	movl	%r9d, (%rcx,%rax,4)
	xorl	%r9d, %r9d
	cmpl	%eax, %edx
	sete	%r9b
	movl	%r9d, (%rsi,%rax,4)
	incq	%rax
	cmpl	%eax, %ebx
	jg	.L23
	addq	%r8, %rcx
	addq	%r8, %rsi
	incl	%edx
	addl	%ebx, %edi
	jmp	.L22
.L29:
	call	_Z6nowSecv
	movq	32(%rsp), %rdx
	movq	24(%rsp), %rsi
	movl	%ebx, %ecx
	movq	16(%rsp), %rdi
	movsd	%xmm0, (%rsp)
	call	_Z9host_mmulPiS_S_i
	call	_Z6nowSecv
	movl	%ebx, 48(%rsp)
	movabsq	$4294967297, %rax
	movl	%ebx, 52(%rsp)
	movq	%xmm0, %rbp
	movl	$1, 56(%rsp)
	movq	%rax, 60(%rsp)
	movl	$1, 68(%rsp)
	call	_Z6nowSecv
	movl	68(%rsp), %ecx
	movl	56(%rsp), %esi
	xorl	%r9d, %r9d
	movq	60(%rsp), %rdx
	movq	48(%rsp), %rdi
	xorl	%r8d, %r8d
	movsd	%xmm0, 8(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L24
	movq	40(%rsp), %rdx
	movq	24(%rsp), %rsi
	movl	%ebx, %ecx
	movq	16(%rsp), %rdi
	call	_Z36__device_stub__Z11global_mmulPiS_S_iPiS_S_i
.L24:
	call	cudaDeviceSynchronize@PLT
	call	_Z6nowSecv
	leaq	.LC2(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	movq	%xmm0, %rbx
	movq	%rbp, %xmm0
	subsd	(%rsp), %xmm0
	call	__printf_chk@PLT
	movq	%rbx, %xmm0
	subsd	8(%rsp), %xmm0
	movb	$1, %al
	leaq	.LC3(%rip), %rsi
	movl	$2, %edi
	call	__printf_chk@PLT
	movq	16(%rsp), %rdi
	call	cudaFree@PLT
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	40(%rsp), %rdi
	call	cudaFree@PLT
	movq	32(%rsp), %rdi
	call	cudaFree@PLT
	xorl	%eax, %eax
.L19:
	movq	72(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L25
	call	__stack_chk_fail@PLT
.L25:
	addq	$88, %rsp
	.cfi_def_cfa_offset 24
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2029:
	.size	main, .-main
	.section	.rodata.str1.1
.LC4:
	.string	"_Z11global_mmulPiS_S_i"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2057:
	.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	.LC4(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z11global_mmulPiS_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
.LFE2057:
	.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
.LC0:
	.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 <sys/time.h>

inline double nowSec()
{
	struct timeval t;
	struct timezone tzp;
	gettimeofday(&t, &tzp);
	return t.tv_sec + t.tv_usec*1e-6;
}

__host__ void host_mmul (int *A, int *B, int *C, int N)
{
	for(int i=0; i<N; i++)
	{
		for (int j=0; j<N; j++)
		{
			for(int k=0; k<N; k++)
			{
				*(C+ i*N+j)+=*(A+i*N + k) * *(B+k*N+j);
			}
		}
	}
}

__global__ void global_mmul (int *A, int *B, int *C, int N)
{
	int i=blockIdx.y;
	int j=blockIdx.x;
	for (int k=0; k<N; k++)
	{
		*(C+ i*N+j)+=*(A+i*N + k) * *(B+k*N+j);
	}	
}

#ifdef PRINT
void printMtx (int *m, int N)
{
	for (int i=0; i<N*N; i++)
	{
		if (i>0 && i%N == 0)
			fprintf(stderr, "\n");

		fprintf(stderr, "%d\t",*m);

		m++;
	}
}
#endif


int main(int argc, char **argv)
{
	if (argc != 2)
	{
		puts("Usage: Matrix_mult [N]\n");
		return -1;
	}
	
	int N=atoi(argv[1]);
	int NN=N*N;
	int i;
	int *A, *B, *C_host, *C_device;
	int *ptrA, *ptrB;

	hipMallocManaged(&A, NN*sizeof(int));
	hipMallocManaged(&B, NN*sizeof(int));
	hipMallocManaged(&C_device, NN*sizeof(int));
	hipMallocManaged(&C_host, NN*sizeof(int));
	hipDeviceSynchronize(); //attende che la memoria sia allocata

	for (i=0, ptrA=A, ptrB=B ; i<N; i++)
	{
		for (int j=0; j<N; j++)
		{
			*ptrA=i*N+j;
			*ptrB=0;
			if (i==j)
				*ptrB=1;

			ptrA++;
			ptrB++;
		}
	}

#ifdef PRINT
	fprintf(stderr,"A=\n");
	printMtx(A, N);
	fprintf(stderr,"\n\nB=\n");
	printMtx(B, N);
	fprintf(stderr,"\n\n");
#endif

	double t_begin_cpu = nowSec();
	host_mmul(A, B, C_host, N);
	double t_end_cpu = nowSec();

	dim3 blockPerGrid(N,N);
	dim3 threadPerBlock(1,1);

	double t_begin_gpu = nowSec();
	global_mmul <<< blockPerGrid, threadPerBlock >>> (A,B,C_device,N);
	hipDeviceSynchronize();
	double t_end_gpu = nowSec();
	
#ifdef PRINT
	fprintf(stderr,"C_host=\n");
	printMtx(C_host, N);
	fprintf(stderr,"\n\nC_device=\n");
	printMtx(C_device, N);
	fprintf(stderr,"\n");
#endif

	printf("Elapsed time CPU: %f sec\n", t_end_cpu  - t_begin_cpu);
	printf("Elapsed time GPU: %f sec\n", t_end_gpu  - t_begin_gpu);
	
	hipFree(A);
	hipFree(B);
	hipFree(C_device);
	hipFree(C_host);

	return 0;
}


	.text
	.file	"Matrix_mult.hip"
	.globl	_Z9host_mmulPiS_S_i             # -- Begin function _Z9host_mmulPiS_S_i
	.type	_Z9host_mmulPiS_S_i,@function
_Z9host_mmulPiS_S_i:                    # @_Z9host_mmulPiS_S_i
	.cfi_startproc
# %bb.0:
	testl	%ecx, %ecx
	jle	.LBB0_8
# %bb.1:                                # %.preheader23.lr.ph
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset %rbx, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movl	%ecx, %eax
	leaq	(,%rax,4), %rcx
	xorl	%r8d, %r8d
.LBB0_2:                                # %.preheader.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB0_3 Depth 2
                                        #       Child Loop BB0_4 Depth 3
	movq	%r8, %r9
	imulq	%rax, %r9
	leaq	(%rdx,%r9,4), %r9
	movq	%rsi, %r10
	xorl	%r11d, %r11d
.LBB0_3:                                # %.preheader
                                        #   Parent Loop BB0_2 Depth=1
                                        # =>  This Loop Header: Depth=2
                                        #       Child Loop BB0_4 Depth 3
	movl	(%r9,%r11,4), %ebx
	movq	%r10, %r14
	xorl	%r15d, %r15d
.LBB0_4:                                #   Parent Loop BB0_2 Depth=1
                                        #     Parent Loop BB0_3 Depth=2
                                        # =>    This Inner Loop Header: Depth=3
	movl	(%r14), %ebp
	imull	(%rdi,%r15,4), %ebp
	addl	%ebp, %ebx
	movl	%ebx, (%r9,%r11,4)
	incq	%r15
	addq	%rcx, %r14
	cmpq	%r15, %rax
	jne	.LBB0_4
# %bb.5:                                # %._crit_edge
                                        #   in Loop: Header=BB0_3 Depth=2
	incq	%r11
	addq	$4, %r10
	cmpq	%rax, %r11
	jne	.LBB0_3
# %bb.6:                                # %._crit_edge26
                                        #   in Loop: Header=BB0_2 Depth=1
	incq	%r8
	addq	%rcx, %rdi
	cmpq	%rax, %r8
	jne	.LBB0_2
# %bb.7:
	popq	%rbx
	.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
	.cfi_restore %rbx
	.cfi_restore %r14
	.cfi_restore %r15
	.cfi_restore %rbp
.LBB0_8:                                # %._crit_edge28
	retq
.Lfunc_end0:
	.size	_Z9host_mmulPiS_S_i, .Lfunc_end0-_Z9host_mmulPiS_S_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z26__device_stub__global_mmulPiS_S_i # -- Begin function _Z26__device_stub__global_mmulPiS_S_i
	.type	_Z26__device_stub__global_mmulPiS_S_i,@function
_Z26__device_stub__global_mmulPiS_S_i:  # @_Z26__device_stub__global_mmulPiS_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	$_Z11global_mmulPiS_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_end1:
	.size	_Z26__device_stub__global_mmulPiS_S_i, .Lfunc_end1-_Z26__device_stub__global_mmulPiS_S_i
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function main
.LCPI2_0:
	.quad	0x3eb0c6f7a0b5ed8d              # double 9.9999999999999995E-7
	.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	%rbx
	.cfi_def_cfa_offset 40
	subq	$88, %rsp
	.cfi_def_cfa_offset 128
	.cfi_offset %rbx, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	cmpl	$2, %edi
	jne	.LBB2_1
# %bb.2:
	movq	8(%rsi), %rdi
	callq	atoi
	movl	%eax, %ebp
	movl	%eax, %ebx
	movl	%eax, %r14d
	imull	%r14d, %r14d
	shlq	$2, %r14
	leaq	16(%rsp), %rdi
	movq	%r14, %rsi
	movl	$1, %edx
	callq	hipMallocManaged
	leaq	8(%rsp), %rdi
	movq	%r14, %rsi
	movl	$1, %edx
	callq	hipMallocManaged
	leaq	40(%rsp), %rdi
	movq	%r14, %rsi
	movl	$1, %edx
	callq	hipMallocManaged
	leaq	48(%rsp), %rdi
	movq	%r14, %rsi
	movl	$1, %edx
	callq	hipMallocManaged
	callq	hipDeviceSynchronize
	testl	%ebp, %ebp
	jle	.LBB2_7
# %bb.3:                                # %.preheader.lr.ph
	movq	8(%rsp), %rax
	movq	16(%rsp), %rcx
	xorl	%edx, %edx
	xorl	%esi, %esi
.LBB2_4:                                # %.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB2_5 Depth 2
	xorl	%edi, %edi
	xorl	%r8d, %r8d
.LBB2_5:                                #   Parent Loop BB2_4 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	leal	(%rdx,%r8), %r9d
	movl	%r9d, (%rcx,%r8,4)
	xorl	%r9d, %r9d
	cmpl	%r8d, %esi
	sete	%r9b
	movl	%r9d, (%rax,%r8,4)
	incq	%r8
	addq	$-4, %rdi
	cmpl	%r8d, %ebx
	jne	.LBB2_5
# %bb.6:                                # %._crit_edge
                                        #   in Loop: Header=BB2_4 Depth=1
	incq	%rsi
	subq	%rdi, %rcx
	subq	%rdi, %rax
	addq	%rbx, %rdx
	cmpl	%ebx, %esi
	jne	.LBB2_4
.LBB2_7:                                # %._crit_edge54
	leaq	72(%rsp), %r14
	leaq	32(%rsp), %rsi
	movq	%r14, %rdi
	callq	gettimeofday
	cvtsi2sdq	(%r14), %xmm0
	cvtsi2sdq	8(%r14), %xmm1
	mulsd	.LCPI2_0(%rip), %xmm1
	testl	%ebx, %ebx
	jle	.LBB2_14
# %bb.8:                                # %.preheader.lr.ph.i.preheader
	movq	16(%rsp), %rax
	movq	8(%rsp), %rcx
	movq	48(%rsp), %rdx
	leaq	(,%rbx,4), %rsi
	xorl	%edi, %edi
.LBB2_9:                                # %.preheader.lr.ph.i
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB2_10 Depth 2
                                        #       Child Loop BB2_11 Depth 3
	movq	%rdi, %r8
	imulq	%rbx, %r8
	leaq	(%rdx,%r8,4), %r8
	movq	%rcx, %r9
	xorl	%r10d, %r10d
.LBB2_10:                               # %.preheader.i
                                        #   Parent Loop BB2_9 Depth=1
                                        # =>  This Loop Header: Depth=2
                                        #       Child Loop BB2_11 Depth 3
	movl	(%r8,%r10,4), %r11d
	movq	%r9, %r14
	xorl	%r15d, %r15d
.LBB2_11:                               #   Parent Loop BB2_9 Depth=1
                                        #     Parent Loop BB2_10 Depth=2
                                        # =>    This Inner Loop Header: Depth=3
	movl	(%r14), %ebp
	imull	(%rax,%r15), %ebp
	addl	%ebp, %r11d
	movl	%r11d, (%r8,%r10,4)
	addq	$4, %r15
	addq	%rsi, %r14
	cmpq	%r15, %rsi
	jne	.LBB2_11
# %bb.12:                               # %._crit_edge.i
                                        #   in Loop: Header=BB2_10 Depth=2
	incq	%r10
	addq	$4, %r9
	cmpq	%rbx, %r10
	jne	.LBB2_10
# %bb.13:                               # %._crit_edge26.i
                                        #   in Loop: Header=BB2_9 Depth=1
	incq	%rdi
	addq	%rsi, %rax
	cmpq	%rbx, %rdi
	jne	.LBB2_9
.LBB2_14:                               # %_Z9host_mmulPiS_S_i.exit
	addsd	%xmm0, %xmm1
	movsd	%xmm1, 56(%rsp)                 # 8-byte Spill
	leaq	72(%rsp), %r14
	leaq	32(%rsp), %rsi
	movq	%r14, %rdi
	callq	gettimeofday
	xorps	%xmm0, %xmm0
	cvtsi2sdq	(%r14), %xmm0
	xorps	%xmm1, %xmm1
	cvtsi2sdq	8(%r14), %xmm1
	mulsd	.LCPI2_0(%rip), %xmm1
	addsd	%xmm0, %xmm1
	movsd	%xmm1, 64(%rsp)                 # 8-byte Spill
	movq	%rbx, %r15
	shlq	$32, %r15
	orq	%rbx, %r15
	leaq	72(%rsp), %r14
	leaq	32(%rsp), %rsi
	movq	%r14, %rdi
	callq	gettimeofday
	xorps	%xmm0, %xmm0
	cvtsi2sdq	(%r14), %xmm0
	xorps	%xmm1, %xmm1
	cvtsi2sdq	8(%r14), %xmm1
	mulsd	.LCPI2_0(%rip), %xmm1
	addsd	%xmm0, %xmm1
	movsd	%xmm1, 24(%rsp)                 # 8-byte Spill
	xorl	%r14d, %r14d
	movabsq	$4294967297, %rdx               # imm = 0x100000001
	movq	%r15, %rdi
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB2_16
# %bb.15:
	movq	16(%rsp), %rdi
	movq	8(%rsp), %rsi
	movq	40(%rsp), %rdx
	movl	%ebx, %ecx
	callq	_Z26__device_stub__global_mmulPiS_S_i
.LBB2_16:
	callq	hipDeviceSynchronize
	leaq	72(%rsp), %rbx
	leaq	32(%rsp), %rsi
	movq	%rbx, %rdi
	callq	gettimeofday
	xorps	%xmm0, %xmm0
	cvtsi2sdq	(%rbx), %xmm0
	xorps	%xmm1, %xmm1
	cvtsi2sdq	8(%rbx), %xmm1
	mulsd	.LCPI2_0(%rip), %xmm1
	addsd	%xmm0, %xmm1
	subsd	24(%rsp), %xmm1                 # 8-byte Folded Reload
	movsd	%xmm1, 24(%rsp)                 # 8-byte Spill
	movsd	64(%rsp), %xmm0                 # 8-byte Reload
                                        # xmm0 = mem[0],zero
	subsd	56(%rsp), %xmm0                 # 8-byte Folded Reload
	movl	$.L.str.1, %edi
	movb	$1, %al
	callq	printf
	movl	$.L.str.2, %edi
	movsd	24(%rsp), %xmm0                 # 8-byte Reload
                                        # xmm0 = mem[0],zero
	movb	$1, %al
	callq	printf
	movq	16(%rsp), %rdi
	callq	hipFree
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	40(%rsp), %rdi
	callq	hipFree
	movq	48(%rsp), %rdi
	callq	hipFree
	jmp	.LBB2_17
.LBB2_1:
	movl	$.L.str, %edi
	callq	puts
	movl	$-1, %r14d
.LBB2_17:
	movl	%r14d, %eax
	addq	$88, %rsp
	.cfi_def_cfa_offset 40
	popq	%rbx
	.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_end2:
	.size	main, .Lfunc_end2-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	.LBB3_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB3_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z11global_mmulPiS_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_end3:
	.size	__hip_module_ctor, .Lfunc_end3-__hip_module_ctor
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_dtor
	.type	__hip_module_dtor,@function
__hip_module_dtor:                      # @__hip_module_dtor
	.cfi_startproc
# %bb.0:
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	je	.LBB4_2
# %bb.1:
	pushq	%rax
	.cfi_def_cfa_offset 16
	callq	__hipUnregisterFatBinary
	movq	$0, __hip_gpubin_handle(%rip)
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
.LBB4_2:
	retq
.Lfunc_end4:
	.size	__hip_module_dtor, .Lfunc_end4-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z11global_mmulPiS_S_i,@object  # @_Z11global_mmulPiS_S_i
	.section	.rodata,"a",@progbits
	.globl	_Z11global_mmulPiS_S_i
	.p2align	3, 0x0
_Z11global_mmulPiS_S_i:
	.quad	_Z26__device_stub__global_mmulPiS_S_i
	.size	_Z11global_mmulPiS_S_i, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"Usage: Matrix_mult [N]\n"
	.size	.L.str, 24

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"Elapsed time CPU: %f sec\n"
	.size	.L.str.1, 26

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"Elapsed time GPU: %f sec\n"
	.size	.L.str.2, 26

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z11global_mmulPiS_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__global_mmulPiS_S_i
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z11global_mmulPiS_S_i
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z11global_mmulPiS_S_i  ; -- Begin function _Z11global_mmulPiS_S_i
	.globl	_Z11global_mmulPiS_S_i
	.p2align	8
	.type	_Z11global_mmulPiS_S_i,@function
_Z11global_mmulPiS_S_i:                 ; @_Z11global_mmulPiS_S_i
; %bb.0:
	s_load_b32 s6, s[0:1], 0x18
	s_waitcnt lgkmcnt(0)
	s_cmp_lt_i32 s6, 1
	s_cbranch_scc1 .LBB0_3
; %bb.1:                                ; %.lr.ph
	s_clause 0x1
	s_load_b128 s[8:11], s[0:1], 0x0
	s_load_b64 s[2:3], s[0:1], 0x10
	s_mul_i32 s0, s15, s6
	v_mov_b32_e32 v1, 0
	s_ashr_i32 s1, s0, 31
	s_delay_alu instid0(SALU_CYCLE_1)
	s_lshl_b64 s[4:5], s[0:1], 2
	s_waitcnt lgkmcnt(0)
	s_add_u32 s0, s8, s4
	s_addc_u32 s1, s9, s5
	s_ashr_i32 s15, s14, 31
	s_mov_b32 s9, s6
	s_lshl_b64 s[12:13], s[14:15], 2
	s_delay_alu instid0(SALU_CYCLE_1)
	s_add_u32 s7, s10, s12
	s_addc_u32 s8, s11, s13
	s_add_u32 s2, s2, s4
	s_addc_u32 s3, s3, s5
	s_add_u32 s2, s2, s12
	s_addc_u32 s3, s3, s13
	s_mov_b32 s5, 0
	s_load_b32 s4, s[2:3], 0x0
	s_waitcnt lgkmcnt(0)
	v_mov_b32_e32 v0, s4
	s_mov_b32 s4, s5
.LBB0_2:                                ; =>This Inner Loop Header: Depth=1
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_lshl_b64 s[10:11], s[4:5], 2
	s_add_u32 s10, s7, s10
	s_addc_u32 s11, s8, s11
	s_clause 0x1
	global_load_b32 v2, v1, s[0:1]
	global_load_b32 v3, v1, s[10:11]
	s_add_i32 s9, s9, -1
	s_add_i32 s4, s4, s6
	s_add_u32 s0, s0, 4
	s_addc_u32 s1, s1, 0
	s_cmp_eq_u32 s9, 0
	s_waitcnt vmcnt(0)
	v_mul_lo_u32 v2, v3, v2
	s_delay_alu instid0(VALU_DEP_1)
	v_add_nc_u32_e32 v0, v0, v2
	global_store_b32 v1, v0, s[2:3]
	s_cbranch_scc0 .LBB0_2
.LBB0_3:                                ; %._crit_edge
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z11global_mmulPiS_S_i
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 28
		.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 0
		.amdhsa_next_free_vgpr 4
		.amdhsa_next_free_sgpr 16
		.amdhsa_reserve_vcc 0
		.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	_Z11global_mmulPiS_S_i, .Lfunc_end0-_Z11global_mmulPiS_S_i
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 236
; NumSgprs: 16
; NumVgprs: 4
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 1
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 16
; NumVGPRsForWavesPerEU: 4
; 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: 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
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 28
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z11global_mmulPiS_S_i
    .private_segment_fixed_size: 0
    .sgpr_count:     16
    .sgpr_spill_count: 0
    .symbol:         _Z11global_mmulPiS_S_i.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     4
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
