/*
 * Alyxandra Spikerman
 * High Perfomance Computing
 * Homework 5 - Question 2
 */

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

// CUDA kernel
__global__ void getCount(int* values, int* histogram, int N, int CLASSES) {
    int id = blockIdx.x * blockDim.x + threadIdx.x;
    int stride = blockDim.x * gridDim.x;

    // we're working with a data range of 1000, so to get the class size, we need to divide the range by
    // the number of classes
    double CLASS_SIZE = 1000 / (double)CLASSES;

    for (int i = id; i < N; i += stride) {
        atomicAdd(&histogram[(int)ceil(values[i] / CLASS_SIZE) - 1], 1); // atomically add a value to the right class
    }
}

int main(int argc, char* argv[] ) {
    int N, CLASSES;
    if (argc == 3) {
        N = atoi(argv[1]);
        CLASSES = atoi(argv[2]);
        printf("N = %d\nClasses= %d\n", N, CLASSES);
    } else {
        printf("Error: must input 2 arguments, <N> <# of classes>\n");
        return 1;
    }

    // how to do cudaMalloc, cudaMemcpy supplied by provided Oak Ridge National Labs code

    size_t total_bytes = CLASSES * sizeof(int);

    // create the histogram
    int* h_histogram = (int*)malloc(total_bytes);
    int* d_histogram;
    cudaMalloc(&d_histogram, total_bytes);

    for (int i = 0; i < CLASSES; i++){
        h_histogram[i] = 0; // initalize the host histogram values
    }

    size_t N_bytes = N * sizeof(int);
    srand(150);
    int* h_values = (int*)malloc(N_bytes);
    int* d_values;
    cudaMalloc(&d_values, N_bytes);
    for (int i = 0; i < N; i++) {
        h_values[i] = (rand() % 1000) + 1; // calculate the values
    }

    cudaMemcpy(d_histogram, h_histogram, total_bytes, cudaMemcpyHostToDevice); // copy histogram to device
    cudaMemcpy(d_values, h_values, N_bytes, cudaMemcpyHostToDevice); // copy values to device
    time_t begin = time(NULL);
    printf("\nStart kernel\n\n");
    getCount<<< N / 128, 128 >>>(d_values, d_histogram, N, CLASSES); // Execute the kernel
    cudaDeviceSynchronize(); // wait for everything to finish before accessing
    time_t end = time(NULL);

    cudaMemcpy(h_histogram, d_histogram, total_bytes, cudaMemcpyDeviceToHost); // Copy histogram to host

    printf("Total histogram values for %d classes\n", CLASSES);
    for (int i = 0; i < CLASSES; i++) {
        printf("Class %d: %d \n", i, h_histogram[i]);
    }

    printf("Parallel Time = %f\n", end-begin);

    // free allocated memory
    cudaFree(d_values);
    cudaFree(d_histogram);
    free(h_values);
    free(h_histogram);
    return 0;
}

	.file	"tmpxft_002bd67a_00000000-6_Q2.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	_Z31__device_stub__Z8getCountPiS_iiPiS_ii
	.type	_Z31__device_stub__Z8getCountPiS_iiPiS_ii, @function
_Z31__device_stub__Z8getCountPiS_iiPiS_ii:
.LFB2052:
	.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
	movl	%edx, 12(%rsp)
	leaq	40(%rsp), %rdx
	movl	%ecx, 8(%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	12(%rsp), %rax
	movq	%rax, 120(%rsp)
	leaq	8(%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	.L2
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z8getCountPiS_ii(%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
.L2:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L4
	call	__stack_chk_fail@PLT
.L4:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2052:
	.size	_Z31__device_stub__Z8getCountPiS_iiPiS_ii, .-_Z31__device_stub__Z8getCountPiS_iiPiS_ii
	.globl	_Z8getCountPiS_ii
	.type	_Z8getCountPiS_ii, @function
_Z8getCountPiS_ii:
.LFB2053:
	.cfi_startproc
	endbr64
	jmp	_Z31__device_stub__Z8getCountPiS_iiPiS_ii
	.cfi_endproc
.LFE2053:
	.size	_Z8getCountPiS_ii, .-_Z8getCountPiS_ii
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"N = %d\nClasses= %d\n"
.LC1:
	.string	"Error: must input 2 arguments, <N> <# of classes>\n"
.LC2:
	.string	"\nStart kernel\n\n"
.LC3:
	.string	"Total histogram values for %d classes\n"
.LC4:
	.string	"Class %d: %d \n"
.LC5:
	.string	"Parallel Time = %f\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
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	subq	$72, %rsp
	.cfi_def_cfa_offset 128
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	xorl	%eax, %eax
	cmpl	$3, %edi
	jne	.L9
	movq	8(%rsi), %rdi
	movq	%rsi, %rbx
	call	atoi@PLT
	movq	16(%rbx), %rdi
	movl	%eax, %ebp
	call	atoi@PLT
	movl	%ebp, %edx
	movl	$2, %edi
	leaq	.LC0(%rip), %rsi
	movl	%eax, %ecx
	movl	%eax, %ebx
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movslq	%ebx, %rax
	salq	$2, %rax
	movq	%rax, %rdi
	movq	%rax, (%rsp)
	call	malloc@PLT
	movq	(%rsp), %rsi
	leaq	16(%rsp), %rdi
	movq	%rax, %r12
	call	cudaMalloc@PLT
	xorl	%eax, %eax
	jmp	.L10
.L9:
	leaq	.LC1(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movl	$1, %eax
	jmp	.L8
.L10:
	cmpl	%eax, %ebx
	jle	.L20
	xorl	%edx, %edx
	movl	%edx, (%r12,%rax,4)
	incq	%rax
	jmp	.L10
.L20:
	movslq	%ebp, %r14
	movl	$150, %edi
	movl	$1000, %r15d
	leaq	0(,%r14,4), %rax
	xorl	%r14d, %r14d
	movq	%rax, 8(%rsp)
	call	srand@PLT
	movq	8(%rsp), %rdi
	call	malloc@PLT
	movq	8(%rsp), %rsi
	leaq	24(%rsp), %rdi
	movq	%rax, %r13
	call	cudaMalloc@PLT
.L13:
	cmpl	%r14d, %ebp
	jle	.L21
	call	rand@PLT
	cltd
	idivl	%r15d
	incl	%edx
	movl	%edx, 0(%r13,%r14,4)
	incq	%r14
	jmp	.L13
.L21:
	movq	(%rsp), %rdx
	movq	16(%rsp), %rdi
	movl	$1, %ecx
	movq	%r12, %rsi
	call	cudaMemcpy@PLT
	movq	8(%rsp), %rdx
	movq	24(%rsp), %rdi
	movq	%r13, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	xorl	%edi, %edi
	call	time@PLT
	leaq	.LC2(%rip), %rsi
	movl	$2, %edi
	movq	%rax, %r14
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movl	%ebp, %eax
	movl	$128, %ecx
	xorl	%r9d, %r9d
	cltd
	xorl	%r8d, %r8d
	idivl	%ecx
	movl	$33554433, %edx
	movl	$1, %ecx
	salq	$7, %rdx
	movl	%eax, 32(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 36(%rsp)
	movq	32(%rsp), %rdi
	movl	40(%rsp), %esi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L15
	movq	16(%rsp), %rsi
	movq	24(%rsp), %rdi
	movl	%ebx, %ecx
	movl	%ebp, %edx
	call	_Z31__device_stub__Z8getCountPiS_iiPiS_ii
.L15:
	call	cudaDeviceSynchronize@PLT
	xorl	%edi, %edi
	xorl	%r15d, %r15d
	call	time@PLT
	movq	(%rsp), %rdx
	movq	16(%rsp), %rsi
	movq	%r12, %rdi
	movl	$2, %ecx
	movq	%rax, %rbp
	call	cudaMemcpy@PLT
	movl	%ebx, %edx
	leaq	.LC3(%rip), %rsi
	xorl	%eax, %eax
	movl	$2, %edi
	call	__printf_chk@PLT
.L16:
	movl	%r15d, %edx
	cmpl	%r15d, %ebx
	jle	.L22
	movl	(%r12,%r15,4), %ecx
	leaq	.LC4(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	incq	%r15
	call	__printf_chk@PLT
	jmp	.L16
.L22:
	movq	%rbp, %rdx
	leaq	.LC5(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	subq	%r14, %rdx
	call	__printf_chk@PLT
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	16(%rsp), %rdi
	call	cudaFree@PLT
	movq	%r13, %rdi
	call	free@PLT
	movq	%r12, %rdi
	call	free@PLT
	xorl	%eax, %eax
.L8:
	movq	56(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L18
	call	__stack_chk_fail@PLT
.L18:
	addq	$72, %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
.LC6:
	.string	"_Z8getCountPiS_ii"
	.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	.LC6(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z8getCountPiS_ii(%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
	.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:

/*
 * Alyxandra Spikerman
 * High Perfomance Computing
 * Homework 5 - Question 2
 */


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

// CUDA kernel
__global__ void getCount(int* values, int* histogram, int N, int CLASSES) {
    int id = blockIdx.x * blockDim.x + threadIdx.x;
    int stride = blockDim.x * gridDim.x;

    // we're working with a data range of 1000, so to get the class size, we need to divide the range by
    // the number of classes
    double CLASS_SIZE = 1000 / (double)CLASSES;

    for (int i = id; i < N; i += stride) {
        atomicAdd(&histogram[(int)ceil(values[i] / CLASS_SIZE) - 1], 1); // atomically add a value to the right class
    }
}

int main(int argc, char* argv[] ) {
    int N, CLASSES;
    if (argc == 3) {
        N = atoi(argv[1]);
        CLASSES = atoi(argv[2]);
        printf("N = %d\nClasses= %d\n", N, CLASSES);
    } else {
        printf("Error: must input 2 arguments, <N> <# of classes>\n");
        return 1;
    }

    // how to do cudaMalloc, cudaMemcpy supplied by provided Oak Ridge National Labs code

    size_t total_bytes = CLASSES * sizeof(int);

    // create the histogram
    int* h_histogram = (int*)malloc(total_bytes);
    int* d_histogram;
    hipMalloc(&d_histogram, total_bytes);

    for (int i = 0; i < CLASSES; i++){
        h_histogram[i] = 0; // initalize the host histogram values
    }

    size_t N_bytes = N * sizeof(int);
    srand(150);
    int* h_values = (int*)malloc(N_bytes);
    int* d_values;
    hipMalloc(&d_values, N_bytes);
    for (int i = 0; i < N; i++) {
        h_values[i] = (rand() % 1000) + 1; // calculate the values
    }

    hipMemcpy(d_histogram, h_histogram, total_bytes, hipMemcpyHostToDevice); // copy histogram to device
    hipMemcpy(d_values, h_values, N_bytes, hipMemcpyHostToDevice); // copy values to device
    time_t begin = time(NULL);
    printf("\nStart kernel\n\n");
    getCount<<< N / 128, 128 >>>(d_values, d_histogram, N, CLASSES); // Execute the kernel
    hipDeviceSynchronize(); // wait for everything to finish before accessing
    time_t end = time(NULL);

    hipMemcpy(h_histogram, d_histogram, total_bytes, hipMemcpyDeviceToHost); // Copy histogram to host

    printf("Total histogram values for %d classes\n", CLASSES);
    for (int i = 0; i < CLASSES; i++) {
        printf("Class %d: %d \n", i, h_histogram[i]);
    }

    printf("Parallel Time = %f\n", end-begin);

    // free allocated memory
    hipFree(d_values);
    hipFree(d_histogram);
    free(h_values);
    free(h_histogram);
    return 0;
}

	.text
	.file	"Q2.hip"
	.globl	_Z23__device_stub__getCountPiS_ii # -- Begin function _Z23__device_stub__getCountPiS_ii
	.type	_Z23__device_stub__getCountPiS_ii,@function
_Z23__device_stub__getCountPiS_ii:      # @_Z23__device_stub__getCountPiS_ii
	.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	12(%rsp), %rsi
	movl	%edx, (%rsi)
	leaq	8(%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	24(%rsp), %r12
	leaq	16(%rsp), %r13
	movq	%r14, %rdi
	movq	%r15, %rsi
	movq	%r12, %rdx
	movq	%r13, %rcx
	callq	__hipPopCallConfiguration
	movq	(%r14), %rsi
	movl	8(%r14), %edx
	movq	(%r15), %rcx
	movl	8(%r15), %r8d
	movl	$_Z8getCountPiS_ii, %edi
	movq	%rbx, %r9
	pushq	(%r13)
	.cfi_adjust_cfa_offset 8
	pushq	(%r12)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$128, %rsp
	.cfi_adjust_cfa_offset -128
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end0:
	.size	_Z23__device_stub__getCountPiS_ii, .Lfunc_end0-_Z23__device_stub__getCountPiS_ii
	.cfi_endproc
                                        # -- End function
	.globl	main                            # -- Begin function main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$56, %rsp
	.cfi_def_cfa_offset 112
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	cmpl	$3, %edi
	jne	.LBB1_12
# %bb.1:
	movq	%rsi, %rbx
	movq	8(%rsi), %rdi
	callq	atoi
	movl	%eax, %r12d
	movq	16(%rbx), %rdi
	callq	atoi
	movl	%eax, %r14d
	movl	$.L.str, %edi
	movl	%r12d, %esi
	movl	%eax, %edx
	xorl	%eax, %eax
	callq	printf
	movslq	%r14d, %r15
	shlq	$2, %r15
	movq	%r15, %rdi
	callq	malloc
	movq	%rax, %rbx
	leaq	8(%rsp), %rdi
	movq	%r15, 40(%rsp)                  # 8-byte Spill
	movq	%r15, %rsi
	callq	hipMalloc
	movl	%r14d, %ebp
	movl	%r14d, 28(%rsp)                 # 4-byte Spill
	testl	%r14d, %r14d
	jle	.LBB1_3
# %bb.2:                                # %.lr.ph.preheader
	leaq	(,%rbp,4), %rdx
	movq	%rbx, %rdi
	xorl	%esi, %esi
	callq	memset@PLT
.LBB1_3:                                # %._crit_edge
	movslq	%r12d, %r13
	shlq	$2, %r13
	movl	$150, %edi
	callq	srand
	movq	%r13, %rdi
	callq	malloc
	movq	%rax, %r14
	leaq	16(%rsp), %rdi
	movq	%r13, %rsi
	callq	hipMalloc
	movq	%r12, 32(%rsp)                  # 8-byte Spill
	testl	%r12d, %r12d
	jle	.LBB1_6
# %bb.4:                                # %.lr.ph55.preheader
	movl	32(%rsp), %r15d                 # 4-byte Reload
	xorl	%r12d, %r12d
.LBB1_5:                                # %.lr.ph55
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
	cltq
	imulq	$274877907, %rax, %rcx          # imm = 0x10624DD3
	movq	%rcx, %rdx
	shrq	$63, %rdx
	sarq	$38, %rcx
	addl	%edx, %ecx
	imull	$1000, %ecx, %ecx               # imm = 0x3E8
	negl	%ecx
	addl	%ecx, %eax
	incl	%eax
	movl	%eax, (%r14,%r12,4)
	incq	%r12
	cmpq	%r12, %r15
	jne	.LBB1_5
.LBB1_6:                                # %._crit_edge56
	movq	8(%rsp), %rdi
	movq	%rbx, %rsi
	movq	40(%rsp), %rdx                  # 8-byte Reload
	movl	$1, %ecx
	callq	hipMemcpy
	movq	16(%rsp), %rdi
	movq	%r14, %rsi
	movq	%r13, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	xorl	%edi, %edi
	callq	time
	movq	%rax, 48(%rsp)                  # 8-byte Spill
	movl	$.Lstr.1, %edi
	callq	puts@PLT
	movq	32(%rsp), %r12                  # 8-byte Reload
	leal	127(%r12), %edi
	testl	%r12d, %r12d
	cmovnsl	%r12d, %edi
	sarl	$7, %edi
	btsq	$32, %rdi
	movabsq	$4294967296, %rdx               # imm = 0x100000000
	orq	$128, %rdx
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	movl	28(%rsp), %r15d                 # 4-byte Reload
	jne	.LBB1_8
# %bb.7:
	movq	16(%rsp), %rdi
	movq	8(%rsp), %rsi
	movl	%r12d, %edx
	movl	%r15d, %ecx
	callq	_Z23__device_stub__getCountPiS_ii
.LBB1_8:
	callq	hipDeviceSynchronize
	xorl	%r12d, %r12d
	xorl	%edi, %edi
	callq	time
	movq	%rax, %r13
	movq	8(%rsp), %rsi
	movq	%rbx, %rdi
	movq	40(%rsp), %rdx                  # 8-byte Reload
	movl	$2, %ecx
	callq	hipMemcpy
	movl	$.L.str.3, %edi
	movl	%r15d, %esi
	xorl	%eax, %eax
	callq	printf
	testl	%r15d, %r15d
	jle	.LBB1_11
# %bb.9:                                # %.lr.ph59.preheader
	xorl	%r15d, %r15d
.LBB1_10:                               # %.lr.ph59
                                        # =>This Inner Loop Header: Depth=1
	movl	(%rbx,%r15,4), %edx
	movl	$.L.str.4, %edi
	movl	%r15d, %esi
	xorl	%eax, %eax
	callq	printf
	incq	%r15
	cmpq	%r15, %rbp
	jne	.LBB1_10
.LBB1_11:                               # %._crit_edge60
	subq	48(%rsp), %r13                  # 8-byte Folded Reload
	movl	$.L.str.5, %edi
	movq	%r13, %rsi
	xorl	%eax, %eax
	callq	printf
	movq	16(%rsp), %rdi
	callq	hipFree
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	%r14, %rdi
	callq	free
	movq	%rbx, %rdi
	callq	free
	jmp	.LBB1_13
.LBB1_12:
	movl	$.Lstr, %edi
	callq	puts@PLT
	movl	$1, %r12d
.LBB1_13:
	movl	%r12d, %eax
	addq	$56, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_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	$_Z8getCountPiS_ii, %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	_Z8getCountPiS_ii,@object       # @_Z8getCountPiS_ii
	.section	.rodata,"a",@progbits
	.globl	_Z8getCountPiS_ii
	.p2align	3, 0x0
_Z8getCountPiS_ii:
	.quad	_Z23__device_stub__getCountPiS_ii
	.size	_Z8getCountPiS_ii, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"N = %d\nClasses= %d\n"
	.size	.L.str, 20

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"Total histogram values for %d classes\n"
	.size	.L.str.3, 39

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"Class %d: %d \n"
	.size	.L.str.4, 15

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"Parallel Time = %f\n"
	.size	.L.str.5, 20

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z8getCountPiS_ii"
	.size	.L__unnamed_1, 18

	.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	"Error: must input 2 arguments, <N> <# of classes>"
	.size	.Lstr, 50

	.type	.Lstr.1,@object                 # @str.1
.Lstr.1:
	.asciz	"\nStart kernel\n"
	.size	.Lstr.1, 15

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym _Z23__device_stub__getCountPiS_ii
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z8getCountPiS_ii
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z8getCountPiS_ii       ; -- Begin function _Z8getCountPiS_ii
	.globl	_Z8getCountPiS_ii
	.p2align	8
	.type	_Z8getCountPiS_ii,@function
_Z8getCountPiS_ii:                      ; @_Z8getCountPiS_ii
; %bb.0:
	s_clause 0x1
	s_load_b32 s6, s[0:1], 0x24
	s_load_b64 s[2:3], s[0:1], 0x10
	s_add_u32 s4, s0, 24
	s_addc_u32 s5, s1, 0
	s_mov_b32 s7, exec_lo
	s_waitcnt lgkmcnt(0)
	s_and_b32 s6, s6, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[1:2], null, s15, s6, v[0:1]
	v_cmpx_gt_i32_e64 s2, v1
	s_cbranch_execz .LBB0_3
; %bb.1:                                ; %.lr.ph.preheader
	v_cvt_f64_i32_e32 v[2:3], s3
	s_load_b32 s3, s[4:5], 0x0
	s_load_b128 s[8:11], s[0:1], 0x0
	v_mov_b32_e32 v0, 1
	s_waitcnt lgkmcnt(0)
	s_mul_i32 s4, s3, s6
	s_add_u32 s1, s10, -4
	s_addc_u32 s3, s11, -1
	s_ashr_i32 s5, s4, 31
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(VALU_DEP_2)
	s_lshl_b64 s[6:7], s[4:5], 2
	s_mov_b32 s5, 0
	v_div_scale_f64 v[4:5], null, v[2:3], v[2:3], 0x408f4000
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_rcp_f64_e32 v[6:7], v[4:5]
	s_waitcnt_depctr 0xfff
	v_fma_f64 v[8:9], -v[4:5], v[6:7], 1.0
	v_fma_f64 v[6:7], v[6:7], v[8:9], v[6:7]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_fma_f64 v[8:9], -v[4:5], v[6:7], 1.0
	v_fma_f64 v[6:7], v[6:7], v[8:9], v[6:7]
	v_div_scale_f64 v[8:9], vcc_lo, 0x408f4000, v[2:3], 0x408f4000
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mul_f64 v[10:11], v[8:9], v[6:7]
	v_fma_f64 v[4:5], -v[4:5], v[10:11], v[8:9]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_div_fmas_f64 v[4:5], v[4:5], v[6:7], v[10:11]
	v_div_fixup_f64 v[3:4], v[4:5], v[2:3], 0x408f4000
	v_ashrrev_i32_e32 v2, 31, v1
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[5:6], 2, v[1:2]
	v_add_co_u32 v5, vcc_lo, s8, v5
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v6, vcc_lo, s9, v6, vcc_lo
.LBB0_2:                                ; %.lr.ph
                                        ; =>This Inner Loop Header: Depth=1
	global_load_b32 v2, v[5:6], off
	v_add_nc_u32_e32 v1, s4, v1
	v_add_co_u32 v5, s0, v5, s6
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_add_co_ci_u32_e64 v6, s0, s7, v6, s0
	s_waitcnt vmcnt(0)
	v_cvt_f64_i32_e32 v[7:8], v2
	v_div_scale_f64 v[9:10], null, v[3:4], v[3:4], v[7:8]
	v_div_scale_f64 v[15:16], vcc_lo, v[7:8], v[3:4], v[7:8]
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_rcp_f64_e32 v[11:12], v[9:10]
	s_waitcnt_depctr 0xfff
	v_fma_f64 v[13:14], -v[9:10], v[11:12], 1.0
	v_fma_f64 v[11:12], v[11:12], v[13:14], v[11:12]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_fma_f64 v[13:14], -v[9:10], v[11:12], 1.0
	v_fma_f64 v[11:12], v[11:12], v[13:14], v[11:12]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mul_f64 v[13:14], v[15:16], v[11:12]
	v_fma_f64 v[9:10], -v[9:10], v[13:14], v[15:16]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_div_fmas_f64 v[9:10], v[9:10], v[11:12], v[13:14]
	v_div_fixup_f64 v[7:8], v[9:10], v[3:4], v[7:8]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_ceil_f64_e32 v[7:8], v[7:8]
	v_cvt_i32_f64_e32 v7, v[7:8]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_ashrrev_i32_e32 v8, 31, v7
	v_lshlrev_b64 v[7:8], 2, v[7:8]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_add_co_u32 v7, vcc_lo, s1, v7
	v_add_co_ci_u32_e32 v8, vcc_lo, s3, v8, vcc_lo
	v_cmp_le_i32_e32 vcc_lo, s2, v1
	global_atomic_add_u32 v[7:8], v0, off
	s_or_b32 s5, vcc_lo, s5
	s_delay_alu instid0(SALU_CYCLE_1)
	s_and_not1_b32 exec_lo, exec_lo, s5
	s_cbranch_execnz .LBB0_2
.LBB0_3:                                ; %Flow24
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z8getCountPiS_ii
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 280
		.amdhsa_user_sgpr_count 15
		.amdhsa_user_sgpr_dispatch_ptr 0
		.amdhsa_user_sgpr_queue_ptr 0
		.amdhsa_user_sgpr_kernarg_segment_ptr 1
		.amdhsa_user_sgpr_dispatch_id 0
		.amdhsa_user_sgpr_private_segment_size 0
		.amdhsa_wavefront_size32 1
		.amdhsa_uses_dynamic_stack 0
		.amdhsa_enable_private_segment 0
		.amdhsa_system_sgpr_workgroup_id_x 1
		.amdhsa_system_sgpr_workgroup_id_y 0
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 0
		.amdhsa_next_free_vgpr 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	_Z8getCountPiS_ii, .Lfunc_end0-_Z8getCountPiS_ii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 500
; NumSgprs: 18
; NumVgprs: 17
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 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: 15
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 0
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 0
	.text
	.p2alignl 7, 3214868480
	.fill 96, 4, 3214868480
	.type	__hip_cuid_,@object             ; @__hip_cuid_
	.section	.bss,"aw",@nobits
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               ; 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym __hip_cuid_
	.amdgpu_metadata
---
amdhsa.kernels:
  - .args:
      - .address_space:  global
        .offset:         0
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         8
        .size:           8
        .value_kind:     global_buffer
      - .offset:         16
        .size:           4
        .value_kind:     by_value
      - .offset:         20
        .size:           4
        .value_kind:     by_value
      - .offset:         24
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         28
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         36
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         38
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         40
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         42
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         44
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         46
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         64
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         88
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 280
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z8getCountPiS_ii
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z8getCountPiS_ii.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
