//nvcc -o lab5_2_1 lab5_2_1.cu
/*Author:
Pedro Silva
*/
/*2. Implemente um programa em CUDA que calcule a soma de todos os elementos de um vetor de
tamanho N. Teste para vários valores de N.*/
/*2.1. Implemente uma versão simples (sem recorrer a optimizações).*/
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

__global__ void vectorsum2_1(int * d_buffer, int N){
	//THREAD ID
	int index = threadIdx.x + blockIdx.x * blockDim.x;
	/*Temos N elementos no h_buffer. Vamos partir a soma de todos os elementos como a soma de um elemento com o elemento 16 indices a direita
	Repetir até so termos um elemento (a cada iteração, temos metade dos elementos).*/
	int num_of_threads = N;
	int distance = N / 2;			//Distancia entre elementos a somar
	int primeiro, segundo;
	//Este ciclo executa enquanto tivermos mais que uma thread e so se a thread ainda estiver no "scope" da soma.
	while(num_of_threads > 1 && index < N/2){
		primeiro = index;
		segundo = primeiro + distance;			//na primeira iteracao: 1a thread, index 1, 2a thread, index 3, 3a thread, index 5
		d_buffer[primeiro] = d_buffer[primeiro] + d_buffer[segundo];
		//passou uma iteracao: duplicar a distancia entre elementos a somar e dividir por 2 o numero de threads activas
		distance = distance / 2;
		num_of_threads = num_of_threads / 2;
		//garantir que todas as threads fizeram a sua soma
		__syncthreads();
	}
}		

int main(){
	printf("Exercicio 2, Lab 5 de CHAD. Soma de todos os elementos de um h_buffer de tamanho N.\nN comeca a 8 (2^3)e duplica até 4096 (2^10).\n");
	int *d_buffer, *result, *h_buffer;
	int error;
	struct timespec start, end;
	double startTime, endTime;

	for( int N = 256; N <= 4096; N = N*2){
		printf("--------------------------------------------------------------------------\n");
		printf("Soma de um vector com %i elementos.\n", N);
		clock_gettime(CLOCK_MONOTONIC, &start);
		//alocar memoria no device
		if(cudaMalloc(&d_buffer, sizeof(int) * N) != cudaSuccess){
			fprintf(stderr, "Error allocating memory on device.\n");
			return(-1);
		}
		//alocar memoria no host para h_buffer
		h_buffer = (int*) malloc(N * sizeof(int));
		for(int i = 0; i < N; i++)
			h_buffer[i] = 1;
		//alocar memoria no host para receber o resultado de cada bloco
		result = (int*) malloc(N * sizeof(int));
		//Transferir dados do device para host (vector a somar)
		if((error = cudaMemcpy(d_buffer, h_buffer, N * sizeof(int), cudaMemcpyHostToDevice)) != cudaSuccess)
			fprintf(stderr, "Erro a transferir vector para GPU, de dimensao %i. Error = %i.\n", N, error);
		//Inicializar block e grid size
		dim3 BlockSize(32, 1, 1);		//Comecar simples: Blocos de tamanho fixo
		dim3 GridSize(N/32 + 1, 1, 1);	
		vectorsum2_1<<<GridSize, BlockSize>>>(d_buffer, N);
		//Vamos buscar o resultado da soma ao primeiro elemento do d_buffer
		cudaMemcpy(result, d_buffer, sizeof(int), cudaMemcpyDeviceToHost);
		printf("Resultado da soma de um vector de %i elementos: %i.\n", N, *result);
		if(cudaFree(d_buffer) != cudaSuccess)
			printf("Erro a libertar memoria no device.\n");
		clock_gettime(CLOCK_MONOTONIC, &end);
		startTime = (start.tv_sec * 1e3) + (start.tv_nsec * 1e-6);
		endTime = (end.tv_sec * 1e3) + (end.tv_nsec * 1e-6);
		printf("Tempo de execução do GPU kernel: %fms.\n", endTime - startTime);
		if(cudaFree(d_buffer) != cudaSuccess)
			printf("Erro a libertar memoria no device para vector.\n");
		free(h_buffer);
		free(result);
	}

	
	return 0;
}
	.file	"tmpxft_003906cb_00000000-6_lab5_2_1.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2030:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2030:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z33__device_stub__Z12vectorsum2_1PiiPii
	.type	_Z33__device_stub__Z12vectorsum2_1PiiPii, @function
_Z33__device_stub__Z12vectorsum2_1PiiPii:
.LFB2052:
	.cfi_startproc
	endbr64
	subq	$120, %rsp
	.cfi_def_cfa_offset 128
	movq	%rdi, 8(%rsp)
	leaq	32(%rsp), %rcx
	leaq	24(%rsp), %rdx
	movl	%esi, 4(%rsp)
	leaq	40(%rsp), %rdi
	leaq	52(%rsp), %rsi
	movq	%fs:40, %rax
	movq	%rax, 104(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rax
	movl	$1, 48(%rsp)
	movq	%rax, 88(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 96(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 40(%rsp)
	movq	%rax, 52(%rsp)
	movl	$1, 60(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L2
	pushq	32(%rsp)
	.cfi_def_cfa_offset 136
	leaq	_Z12vectorsum2_1Pii(%rip), %rdi
	pushq	32(%rsp)
	.cfi_def_cfa_offset 144
	movq	68(%rsp), %rcx
	movl	76(%rsp), %r8d
	movq	56(%rsp), %rsi
	movl	64(%rsp), %edx
	leaq	104(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 136
	popq	%rdx
	.cfi_def_cfa_offset 128
.L2:
	movq	104(%rsp), %rax
	subq	%fs:40, %rax
	je	.L4
	call	__stack_chk_fail@PLT
.L4:
	addq	$120, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2052:
	.size	_Z33__device_stub__Z12vectorsum2_1PiiPii, .-_Z33__device_stub__Z12vectorsum2_1PiiPii
	.globl	_Z12vectorsum2_1Pii
	.type	_Z12vectorsum2_1Pii, @function
_Z12vectorsum2_1Pii:
.LFB2053:
	.cfi_startproc
	endbr64
	jmp	_Z33__device_stub__Z12vectorsum2_1PiiPii
	.cfi_endproc
.LFE2053:
	.size	_Z12vectorsum2_1Pii, .-_Z12vectorsum2_1Pii
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"Exercicio 2, Lab 5 de CHAD. Soma de todos os elementos de um h_buffer de tamanho N.\nN comeca a 8 (2^3)e duplica at\303\251 4096 (2^10).\n"
.LC1:
	.string	"--------------------------------------------------------------------------\n"
.LC2:
	.string	"Soma de um vector com %i elementos.\n"
.LC3:
	.string	"Error allocating memory on device.\n"
.LC4:
	.string	"Erro a transferir vector para GPU, de dimensao %i. Error = %i.\n"
.LC5:
	.string	"Resultado da soma de um vector de %i elementos: %i.\n"
.LC6:
	.string	"Erro a libertar memoria no device.\n"
.LC9:
	.string	"Tempo de execu\303\247\303\243o do GPU kernel: %fms.\n"
.LC10:
	.string	"Erro a libertar memoria no device para vector.\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
	leaq	.LC0(%rip), %rsi
	movl	$2, %edi
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	leaq	.LC1(%rip), %r14
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	movl	$5, %r13d
	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	$256, %ebx
	subq	$88, %rsp
	.cfi_def_cfa_offset 144
	movq	%fs:40, %rax
	movq	%rax, 72(%rsp)
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L17:
	movq	%r14, %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	movslq	%ebx, %r15
	call	__printf_chk@PLT
	movl	%ebx, %edx
	leaq	.LC2(%rip), %rsi
	xorl	%eax, %eax
	movl	$2, %edi
	salq	$2, %r15
	call	__printf_chk@PLT
	leaq	40(%rsp), %rsi
	movl	$1, %edi
	call	clock_gettime@PLT
	leaq	8(%rsp), %rdi
	movq	%r15, %rsi
	call	cudaMalloc@PLT
	testl	%eax, %eax
	je	.L9
	movq	stderr(%rip), %rdi
	leaq	.LC3(%rip), %rdx
	movl	$2, %esi
	xorl	%eax, %eax
	call	__fprintf_chk@PLT
	orl	$-1, %eax
	jmp	.L8
.L9:
	movq	%r15, %rdi
	call	malloc@PLT
	movq	%rax, %r12
	xorl	%eax, %eax
.L11:
	cmpl	%eax, %ebx
	jle	.L30
	movl	$1, (%r12,%rax,4)
	incq	%rax
	jmp	.L11
.L30:
	movq	%r15, %rdi
	call	malloc@PLT
	movq	8(%rsp), %rdi
	movq	%r15, %rdx
	movq	%r12, %rsi
	movl	$1, %ecx
	movq	%rax, %rbp
	call	cudaMemcpy@PLT
	movl	%eax, %r8d
	testl	%eax, %eax
	je	.L13
	movq	stderr(%rip), %rdi
	movl	%ebx, %ecx
	movl	$2, %esi
	xorl	%eax, %eax
	leaq	.LC4(%rip), %rdx
	call	__fprintf_chk@PLT
.L13:
	movl	%ebx, %eax
	movl	$32, %ecx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	cltd
	idivl	%ecx
	movl	$134217729, %edx
	movl	$1, %ecx
	salq	$5, %rdx
	incl	%eax
	movl	%eax, 28(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 32(%rsp)
	movq	28(%rsp), %rdi
	movl	36(%rsp), %esi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L14
	movq	8(%rsp), %rdi
	movl	%ebx, %esi
	call	_Z33__device_stub__Z12vectorsum2_1PiiPii
.L14:
	movq	8(%rsp), %rsi
	movl	$2, %ecx
	movl	$4, %edx
	movq	%rbp, %rdi
	call	cudaMemcpy@PLT
	movl	0(%rbp), %ecx
	movl	$2, %edi
	xorl	%eax, %eax
	movl	%ebx, %edx
	leaq	.LC5(%rip), %rsi
	call	__printf_chk@PLT
	movq	8(%rsp), %rdi
	call	cudaFree@PLT
	testl	%eax, %eax
	je	.L15
	leaq	.LC6(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L15:
	leaq	56(%rsp), %rsi
	movl	$1, %edi
	call	clock_gettime@PLT
	cvtsi2sdq	56(%rsp), %xmm0
	movb	$1, %al
	movsd	.LC7(%rip), %xmm2
	cvtsi2sdq	64(%rsp), %xmm1
	movsd	.LC8(%rip), %xmm3
	movl	$2, %edi
	leaq	.LC9(%rip), %rsi
	mulsd	%xmm2, %xmm0
	mulsd	%xmm3, %xmm1
	addsd	%xmm1, %xmm0
	cvtsi2sdq	40(%rsp), %xmm1
	mulsd	%xmm2, %xmm1
	cvtsi2sdq	48(%rsp), %xmm2
	mulsd	%xmm3, %xmm2
	addsd	%xmm2, %xmm1
	subsd	%xmm1, %xmm0
	call	__printf_chk@PLT
	movq	8(%rsp), %rdi
	call	cudaFree@PLT
	testl	%eax, %eax
	je	.L16
	leaq	.LC10(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L16:
	movq	%r12, %rdi
	addl	%ebx, %ebx
	call	free@PLT
	movq	%rbp, %rdi
	call	free@PLT
	decl	%r13d
	jne	.L17
	xorl	%eax, %eax
.L8:
	movq	72(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L18
	call	__stack_chk_fail@PLT
.L18:
	addq	$88, %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
.LFE2027:
	.size	main, .-main
	.section	.rodata.str1.1
.LC11:
	.string	"_Z12vectorsum2_1Pii"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2055:
	.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	.LC11(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z12vectorsum2_1Pii(%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
.LFE2055:
	.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
.LC7:
	.long	0
	.long	1083129856
	.align 8
.LC8:
	.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:

//nvcc -o lab5_2_1 lab5_2_1.cu
/*Author:
Pedro Silva
*/
/*2. Implemente um programa em CUDA que calcule a soma de todos os elementos de um vetor de
tamanho N. Teste para vários valores de N.*/
/*2.1. Implemente uma versão simples (sem recorrer a optimizações).*/

#include <hip/hip_runtime.h>
#include <stdio.h>
#include <stdlib.h>
#include <time.h>

__global__ void vectorsum2_1(int * d_buffer, int N){
	//THREAD ID
	int index = threadIdx.x + blockIdx.x * blockDim.x;
	/*Temos N elementos no h_buffer. Vamos partir a soma de todos os elementos como a soma de um elemento com o elemento 16 indices a direita
	Repetir até so termos um elemento (a cada iteração, temos metade dos elementos).*/
	int num_of_threads = N;
	int distance = N / 2;			//Distancia entre elementos a somar
	int primeiro, segundo;
	//Este ciclo executa enquanto tivermos mais que uma thread e so se a thread ainda estiver no "scope" da soma.
	while(num_of_threads > 1 && index < N/2){
		primeiro = index;
		segundo = primeiro + distance;			//na primeira iteracao: 1a thread, index 1, 2a thread, index 3, 3a thread, index 5
		d_buffer[primeiro] = d_buffer[primeiro] + d_buffer[segundo];
		//passou uma iteracao: duplicar a distancia entre elementos a somar e dividir por 2 o numero de threads activas
		distance = distance / 2;
		num_of_threads = num_of_threads / 2;
		//garantir que todas as threads fizeram a sua soma
		__syncthreads();
	}
}		

int main(){
	printf("Exercicio 2, Lab 5 de CHAD. Soma de todos os elementos de um h_buffer de tamanho N.\nN comeca a 8 (2^3)e duplica até 4096 (2^10).\n");
	int *d_buffer, *result, *h_buffer;
	int error;
	struct timespec start, end;
	double startTime, endTime;

	for( int N = 256; N <= 4096; N = N*2){
		printf("--------------------------------------------------------------------------\n");
		printf("Soma de um vector com %i elementos.\n", N);
		clock_gettime(CLOCK_MONOTONIC, &start);
		//alocar memoria no device
		if(hipMalloc(&d_buffer, sizeof(int) * N) != hipSuccess){
			fprintf(stderr, "Error allocating memory on device.\n");
			return(-1);
		}
		//alocar memoria no host para h_buffer
		h_buffer = (int*) malloc(N * sizeof(int));
		for(int i = 0; i < N; i++)
			h_buffer[i] = 1;
		//alocar memoria no host para receber o resultado de cada bloco
		result = (int*) malloc(N * sizeof(int));
		//Transferir dados do device para host (vector a somar)
		if((error = hipMemcpy(d_buffer, h_buffer, N * sizeof(int), hipMemcpyHostToDevice)) != hipSuccess)
			fprintf(stderr, "Erro a transferir vector para GPU, de dimensao %i. Error = %i.\n", N, error);
		//Inicializar block e grid size
		dim3 BlockSize(32, 1, 1);		//Comecar simples: Blocos de tamanho fixo
		dim3 GridSize(N/32 + 1, 1, 1);	
		vectorsum2_1<<<GridSize, BlockSize>>>(d_buffer, N);
		//Vamos buscar o resultado da soma ao primeiro elemento do d_buffer
		hipMemcpy(result, d_buffer, sizeof(int), hipMemcpyDeviceToHost);
		printf("Resultado da soma de um vector de %i elementos: %i.\n", N, *result);
		if(hipFree(d_buffer) != hipSuccess)
			printf("Erro a libertar memoria no device.\n");
		clock_gettime(CLOCK_MONOTONIC, &end);
		startTime = (start.tv_sec * 1e3) + (start.tv_nsec * 1e-6);
		endTime = (end.tv_sec * 1e3) + (end.tv_nsec * 1e-6);
		printf("Tempo de execução do GPU kernel: %fms.\n", endTime - startTime);
		if(hipFree(d_buffer) != hipSuccess)
			printf("Erro a libertar memoria no device para vector.\n");
		free(h_buffer);
		free(result);
	}

	
	return 0;
}
	.text
	.file	"lab5_2_1.hip"
	.globl	_Z27__device_stub__vectorsum2_1Pii # -- Begin function _Z27__device_stub__vectorsum2_1Pii
	.type	_Z27__device_stub__vectorsum2_1Pii,@function
_Z27__device_stub__vectorsum2_1Pii:     # @_Z27__device_stub__vectorsum2_1Pii
	.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	$80, %rsp
	.cfi_def_cfa_offset 128
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	leaq	24(%rsp), %rax
	movq	%rdi, (%rax)
	leaq	4(%rsp), %rcx
	movl	%esi, (%rcx)
	leaq	64(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	leaq	48(%rsp), %r14
	leaq	32(%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	$_Z12vectorsum2_1Pii, %edi
	movq	%rbx, %r9
	pushq	(%r13)
	.cfi_adjust_cfa_offset 8
	pushq	(%r12)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$96, %rsp
	.cfi_adjust_cfa_offset -96
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end0:
	.size	_Z27__device_stub__vectorsum2_1Pii, .Lfunc_end0-_Z27__device_stub__vectorsum2_1Pii
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function main
.LCPI1_0:
	.quad	0x408f400000000000              # double 1000
.LCPI1_1:
	.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	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$40, %rsp
	.cfi_def_cfa_offset 96
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movabsq	$4294967297, %r14               # imm = 0x100000001
	movl	$.Lstr, %edi
	callq	puts@PLT
	movl	$256, %ebx                      # imm = 0x100
	leaq	31(%r14), %r12
	leaq	8(%rsp), %r13
.LBB1_1:                                # =>This Loop Header: Depth=1
                                        #     Child Loop BB1_4 Depth 2
	movl	$.Lstr.1, %edi
	callq	puts@PLT
	movl	$.L.str.2, %edi
	movl	%ebx, %esi
	xorl	%eax, %eax
	callq	printf
	movl	$1, %edi
	leaq	24(%rsp), %rsi
	callq	clock_gettime
	leal	(,%rbx,4), %r15d
	movq	%rsp, %rdi
	movq	%r15, %rsi
	callq	hipMalloc
	testl	%eax, %eax
	jne	.LBB1_2
# %bb.3:                                #   in Loop: Header=BB1_1 Depth=1
	movq	%r15, %rdi
	callq	malloc
	movq	%rax, %rbp
	movl	%ebx, %eax
	xorl	%ecx, %ecx
.LBB1_4:                                #   Parent Loop BB1_1 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	movl	$1, (%rbp,%rcx,4)
	incq	%rcx
	cmpq	%rcx, %rax
	jne	.LBB1_4
# %bb.5:                                #   in Loop: Header=BB1_1 Depth=1
	movq	%r15, %rdi
	callq	malloc
	movq	%rax, %r14
	movq	(%rsp), %rdi
	movq	%rbp, %rsi
	movq	%r15, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	jne	.LBB1_6
.LBB1_7:                                #   in Loop: Header=BB1_1 Depth=1
	movl	%ebx, %edi
	shrl	$5, %edi
	movabsq	$4294967297, %rax               # imm = 0x100000001
	orq	%rax, %rdi
	movl	$1, %esi
	movq	%r12, %rdx
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB1_9
# %bb.8:                                #   in Loop: Header=BB1_1 Depth=1
	movq	(%rsp), %rdi
	movl	%ebx, %esi
	callq	_Z27__device_stub__vectorsum2_1Pii
.LBB1_9:                                #   in Loop: Header=BB1_1 Depth=1
	movq	(%rsp), %rsi
	movl	$4, %edx
	movq	%r14, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	movl	(%r14), %edx
	movl	$.L.str.5, %edi
	movl	%ebx, %esi
	xorl	%eax, %eax
	callq	printf
	movq	(%rsp), %rdi
	callq	hipFree
	testl	%eax, %eax
	je	.LBB1_11
# %bb.10:                               #   in Loop: Header=BB1_1 Depth=1
	movl	$.Lstr.2, %edi
	callq	puts@PLT
.LBB1_11:                               #   in Loop: Header=BB1_1 Depth=1
	movl	$1, %edi
	movq	%r13, %rsi
	callq	clock_gettime
	cvtsi2sdq	24(%rsp), %xmm0
	movsd	.LCPI1_0(%rip), %xmm3           # xmm3 = mem[0],zero
	mulsd	%xmm3, %xmm0
	cvtsi2sdq	32(%rsp), %xmm1
	movsd	.LCPI1_1(%rip), %xmm4           # xmm4 = mem[0],zero
	mulsd	%xmm4, %xmm1
	addsd	%xmm0, %xmm1
	cvtsi2sdq	8(%rsp), %xmm2
	xorps	%xmm0, %xmm0
	cvtsi2sdq	16(%rsp), %xmm0
	mulsd	%xmm3, %xmm2
	mulsd	%xmm4, %xmm0
	addsd	%xmm2, %xmm0
	subsd	%xmm1, %xmm0
	movl	$.L.str.7, %edi
	movb	$1, %al
	callq	printf
	movq	(%rsp), %rdi
	callq	hipFree
	testl	%eax, %eax
	je	.LBB1_13
# %bb.12:                               #   in Loop: Header=BB1_1 Depth=1
	movl	$.Lstr.3, %edi
	callq	puts@PLT
.LBB1_13:                               #   in Loop: Header=BB1_1 Depth=1
	movq	%rbp, %rdi
	callq	free
	movq	%r14, %rdi
	callq	free
	leal	(%rbx,%rbx), %eax
	cmpl	$2049, %ebx                     # imm = 0x801
	movl	%eax, %ebx
	jb	.LBB1_1
	jmp	.LBB1_14
.LBB1_6:                                #   in Loop: Header=BB1_1 Depth=1
	movq	stderr(%rip), %rdi
	movl	$.L.str.4, %esi
	movl	%ebx, %edx
	movl	%eax, %ecx
	xorl	%eax, %eax
	callq	fprintf
	jmp	.LBB1_7
.LBB1_14:
	xorl	%eax, %eax
.LBB1_15:                               # %.loopexit
	addq	$40, %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
.LBB1_2:
	.cfi_def_cfa_offset 96
	movq	stderr(%rip), %rcx
	movl	$.L.str.3, %edi
	movl	$35, %esi
	movl	$1, %edx
	callq	fwrite@PLT
	movl	$-1, %eax
	jmp	.LBB1_15
.Lfunc_end1:
	.size	main, .Lfunc_end1-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	.LBB2_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB2_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z12vectorsum2_1Pii, %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_end2:
	.size	__hip_module_ctor, .Lfunc_end2-__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	.LBB3_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
.LBB3_2:
	retq
.Lfunc_end3:
	.size	__hip_module_dtor, .Lfunc_end3-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z12vectorsum2_1Pii,@object     # @_Z12vectorsum2_1Pii
	.section	.rodata,"a",@progbits
	.globl	_Z12vectorsum2_1Pii
	.p2align	3, 0x0
_Z12vectorsum2_1Pii:
	.quad	_Z27__device_stub__vectorsum2_1Pii
	.size	_Z12vectorsum2_1Pii, 8

	.type	.L.str.2,@object                # @.str.2
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str.2:
	.asciz	"Soma de um vector com %i elementos.\n"
	.size	.L.str.2, 37

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"Error allocating memory on device.\n"
	.size	.L.str.3, 36

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"Erro a transferir vector para GPU, de dimensao %i. Error = %i.\n"
	.size	.L.str.4, 64

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"Resultado da soma de um vector de %i elementos: %i.\n"
	.size	.L.str.5, 53

	.type	.L.str.7,@object                # @.str.7
.L.str.7:
	.asciz	"Tempo de execu\303\247\303\243o do GPU kernel: %fms.\n"
	.size	.L.str.7, 42

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z12vectorsum2_1Pii"
	.size	.L__unnamed_1, 20

	.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

	.type	.Lstr,@object                   # @str
	.section	.rodata.str1.1,"aMS",@progbits,1
.Lstr:
	.asciz	"Exercicio 2, Lab 5 de CHAD. Soma de todos os elementos de um h_buffer de tamanho N.\nN comeca a 8 (2^3)e duplica at\303\251 4096 (2^10)."
	.size	.Lstr, 130

	.type	.Lstr.1,@object                 # @str.1
.Lstr.1:
	.asciz	"--------------------------------------------------------------------------"
	.size	.Lstr.1, 75

	.type	.Lstr.2,@object                 # @str.2
.Lstr.2:
	.asciz	"Erro a libertar memoria no device."
	.size	.Lstr.2, 35

	.type	.Lstr.3,@object                 # @str.3
.Lstr.3:
	.asciz	"Erro a libertar memoria no device para vector."
	.size	.Lstr.3, 47

	.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 _Z27__device_stub__vectorsum2_1Pii
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z12vectorsum2_1Pii
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z12vectorsum2_1Pii     ; -- Begin function _Z12vectorsum2_1Pii
	.globl	_Z12vectorsum2_1Pii
	.p2align	8
	.type	_Z12vectorsum2_1Pii,@function
_Z12vectorsum2_1Pii:                    ; @_Z12vectorsum2_1Pii
; %bb.0:
	s_clause 0x1
	s_load_b32 s2, s[0:1], 0x1c
	s_load_b32 s4, s[0:1], 0x8
	s_waitcnt lgkmcnt(0)
	s_and_b32 s2, s2, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(SALU_CYCLE_1)
	v_mad_u64_u32 v[1:2], null, s15, s2, v[0:1]
	s_lshr_b32 s2, s4, 31
	s_add_i32 s2, s4, s2
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	s_ashr_i32 s2, s2, 1
	s_cmp_gt_i32 s4, 1
	v_cmp_gt_i32_e32 vcc_lo, s2, v1
	s_cselect_b32 s3, -1, 0
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_and_b32 s3, vcc_lo, s3
	s_and_saveexec_b32 s5, s3
	s_cbranch_execz .LBB0_3
; %bb.1:                                ; %.lr.ph
	s_load_b64 s[0:1], 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 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
.LBB0_2:                                ; =>This Inner Loop Header: Depth=1
	s_ashr_i32 s3, s2, 31
	s_delay_alu instid0(SALU_CYCLE_1)
	s_lshl_b64 s[0:1], s[2:3], 2
	s_delay_alu instid0(VALU_DEP_2) | instid1(SALU_CYCLE_1)
	v_add_co_u32 v2, vcc_lo, v0, s0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v3, vcc_lo, s1, v1, vcc_lo
	s_lshr_b32 s0, s2, 31
	s_lshr_b32 s1, s4, 1
	s_clause 0x1
	global_load_b32 v4, v[0:1], off
	global_load_b32 v2, v[2:3], off
	s_add_i32 s0, s2, s0
	s_delay_alu instid0(SALU_CYCLE_1)
	s_ashr_i32 s2, s0, 1
	s_cmp_gt_u32 s4, 3
	s_mov_b32 s4, s1
	s_waitcnt vmcnt(0)
	v_add_nc_u32_e32 v2, v2, v4
	global_store_b32 v[0:1], v2, off
	s_waitcnt_vscnt null, 0x0
	s_barrier
	buffer_gl0_inv
	s_cbranch_scc1 .LBB0_2
.LBB0_3:                                ; %.critedge
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z12vectorsum2_1Pii
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 272
		.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	_Z12vectorsum2_1Pii, .Lfunc_end0-_Z12vectorsum2_1Pii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 252
; 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
      - .offset:         8
        .size:           4
        .value_kind:     by_value
      - .offset:         16
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         20
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         24
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         28
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         30
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         32
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         34
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         36
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         38
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         56
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         64
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         80
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 272
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z12vectorsum2_1Pii
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z12vectorsum2_1Pii.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
