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

unsigned int getmaxcu(unsigned int *, unsigned int);

int main(int argc, char *argv[])
{
    unsigned int size = 0;  // The size of the array
    unsigned int i;  // loop index
    unsigned int * numbers; //pointer to the array

    if(argc !=2)
    {
       printf("usage: maxseq num\n");
       printf("num = size of the array\n");
       exit(1);
    }
   
    size = atol(argv[1]);

    numbers = (unsigned int *) malloc(size * sizeof(unsigned int));
    if( !numbers )
    {
       printf("Unable to allocate mem for an array of size %u\n", size);
       exit(1);
    }    

    srand(time(NULL)); // setting a seed for the random number generator
    // Fill-up the array with random numbers from 0 to size-1 
    for( i = 0; i < size; i++){
       numbers[i] = rand() % size;
       printf("%d\n", numbers[i]);
    }
    unsigned int max = getmaxcu(numbers, size);
    printf(" The maximum number in the array is: %u\n", max);
    free(numbers);
    exit(0);
}//end of main


/*
   input: pointer to an array of long int
          number of elements in the array
   output: the maximum number of the array
*/

__global__ void getmaxcu(unsigned int* globalInputArr, unsigned int* globalOutputArr, unsigned int* sizeArr){
	//you need a shared array (per block) to put the block's max into
	//you also need a global array to put the overall max into
	extern __shared__ unsigned int sdata[];

	unsigned int size = sizeArr[0];

	unsigned int tid = threadIdx.x; 
	unsigned int gid = (blockIdx.x * blockDim.x) + threadIdx.x; //getting the unique index of thread
	sdata[tid] = 0; //initializing the shared data array (shared per block)
	
	if(gid < size){
		sdata[tid] = globalInputArr[gid];
	}
	__syncthreads();
	/*
	for (unsigned int s = blockDim.x/2; s>0; s>>=1) {
		if(gid < size && tid < s) {
			sdata[tid] = max(sdata[tid], sdata[tid + s]);
		}
		__syncthreads();
	}
	*/
	if (tid == 0){
		globalOutputArr[blockIdx.x] = sdata[tid]; //putting all the max from each block into a global output array
	}
}

__global__ void finalmaxcu(unsigned int* globalOutputArr, unsigned int* max){
	int tid = threadIdx.x;
	extern __shared__ unsigned int sdata[];
	sdata[tid] = 0;

	if(tid < blockDim.x){
		sdata[tid] = globalOutputArr[tid];
	}
	__syncthreads();
	/*
	for (unsigned int s=blockDim.x/2; s>0; s>>=1){ //it starts at the half way mark and keeps div in 2
		if(tid < s){
			unsigned int greater = sdata[tid];
			if(sdata[tid] < sdata[tid+s]){
				greater = sdata[tid+s];
			}
			sdata[tid] = greater;
		}
		__syncthreads();
	}
	*/
	if (tid == 0){
		max[0] = sdata[tid];
	}
}

unsigned int getmaxcu(unsigned int* numbers, unsigned int num_elem){
	//max num of threads per SM : 2048
	//max num of threads per block : 1024

	unsigned int* sizeArr = (unsigned int*) malloc(sizeof(unsigned int));//creating an array to pass on to the device
	sizeArr[0] = num_elem;
	unsigned int* size; //declaring a size integer (device)
	cudaMalloc((void**)&size, sizeof(unsigned int)); 
	cudaMemcpy((void*) size, (void*) sizeArr, sizeof(unsigned int), cudaMemcpyHostToDevice);
	
	unsigned int* globalInputArr;
	cudaMalloc((void**)&globalInputArr, num_elem * sizeof(unsigned int));
	cudaMemcpy((void*) globalInputArr, (void*) numbers, num_elem * sizeof(unsigned int), cudaMemcpyHostToDevice);
	
	unsigned int* globalOutputArr;
	cudaMalloc((void**)&globalOutputArr, num_elem*sizeof(unsigned int));

	unsigned int* max;
	cudaMalloc((void**)&max, sizeof(unsigned int));//allocating the max number pointer in the device

	unsigned int* maxNum = (unsigned int*) malloc(sizeof(unsigned int)); //allocating the max number pointer in the host
	
	//first experimenting with block size of 128, the max block size is 1024
	//adding size as the third parameter in the triple bracket sets the byte size for the sdata (which is in the shared memory)
	//whatever is in sdata should be the size of N divided by the number of blocks (which is 8 for now)
	unsigned int sharedSize = (num_elem / 8) * sizeof(unsigned int);
	getmaxcu<<<8, 128, sharedSize>>>(globalInputArr, globalOutputArr, size); 

	unsigned int* copy = (unsigned int*) malloc(8 * sizeof(unsigned int));
	cudaMemcpy((void*) copy, (void*) globalOutputArr, (num_elem * sizeof(unsigned int)), cudaMemcpyDeviceToHost);
	for(int i = 0; i < 8; i++){
		printf("%u,",copy[i]);
	}

	printf("\n");
	finalmaxcu<<<1, 128, (8 * sizeof(unsigned int))>>>(globalOutputArr, max);
	cudaMemcpy((void*) maxNum, (void*) max, sizeof(unsigned int), cudaMemcpyDeviceToHost);//copying back the max from the device to host
   	
    cudaFree(max);
	cudaFree(globalInputArr);
	cudaFree(globalOutputArr);
	return maxNum[0];
}




unsigned int getmax(unsigned int num[], unsigned int size)
{

  unsigned int i;
  unsigned int max = num[0];

  for(i = 1; i < size; i++)
	if(num[i] > max)
	   max = num[i];

  return( max );

}
	.file	"tmpxft_0039b9b2_00000000-6_maxgpu.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
	.globl	_Z6getmaxPjj
	.type	_Z6getmaxPjj, @function
_Z6getmaxPjj:
.LFB2029:
	.cfi_startproc
	endbr64
	movl	(%rdi), %eax
	xorl	%edx, %edx
.L3:
	incq	%rdx
	cmpl	%esi, %edx
	jnb	.L6
	movl	(%rdi,%rdx,4), %ecx
	cmpl	%ecx, %eax
	cmovb	%ecx, %eax
	jmp	.L3
.L6:
	ret
	.cfi_endproc
.LFE2029:
	.size	_Z6getmaxPjj, .-_Z6getmaxPjj
	.globl	_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_
	.type	_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_, @function
_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_:
.LFB2054:
	.cfi_startproc
	endbr64
	subq	$136, %rsp
	.cfi_def_cfa_offset 144
	movq	%rdi, 24(%rsp)
	leaq	40(%rsp), %rcx
	leaq	48(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	60(%rsp), %rsi
	movq	%rdx, 8(%rsp)
	leaq	32(%rsp), %rdx
	movq	%fs:40, %rax
	movq	%rax, 120(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 56(%rsp)
	movq	%rax, 96(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 104(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 112(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 48(%rsp)
	movq	%rax, 60(%rsp)
	movl	$1, 68(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L7
	pushq	40(%rsp)
	.cfi_def_cfa_offset 152
	leaq	_Z8getmaxcuPjS_S_(%rip), %rdi
	pushq	40(%rsp)
	.cfi_def_cfa_offset 160
	movq	76(%rsp), %rcx
	movl	84(%rsp), %r8d
	movq	64(%rsp), %rsi
	movl	72(%rsp), %edx
	leaq	112(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 152
	popq	%rdx
	.cfi_def_cfa_offset 144
.L7:
	movq	120(%rsp), %rax
	subq	%fs:40, %rax
	je	.L9
	call	__stack_chk_fail@PLT
.L9:
	addq	$136, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2054:
	.size	_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_, .-_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_
	.globl	_Z8getmaxcuPjS_S_
	.type	_Z8getmaxcuPjS_S_, @function
_Z8getmaxcuPjS_S_:
.LFB2055:
	.cfi_startproc
	endbr64
	jmp	_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_
	.cfi_endproc
.LFE2055:
	.size	_Z8getmaxcuPjS_S_, .-_Z8getmaxcuPjS_S_
	.globl	_Z32__device_stub__Z10finalmaxcuPjS_PjS_
	.type	_Z32__device_stub__Z10finalmaxcuPjS_PjS_, @function
_Z32__device_stub__Z10finalmaxcuPjS_PjS_:
.LFB2056:
	.cfi_startproc
	endbr64
	subq	$120, %rsp
	.cfi_def_cfa_offset 128
	movq	%rdi, 8(%rsp)
	leaq	32(%rsp), %rcx
	leaq	24(%rsp), %rdx
	movq	%rsi, (%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)
	movq	%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	.L12
	pushq	32(%rsp)
	.cfi_def_cfa_offset 136
	leaq	_Z10finalmaxcuPjS_(%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
.L12:
	movq	104(%rsp), %rax
	subq	%fs:40, %rax
	je	.L14
	call	__stack_chk_fail@PLT
.L14:
	addq	$120, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2056:
	.size	_Z32__device_stub__Z10finalmaxcuPjS_PjS_, .-_Z32__device_stub__Z10finalmaxcuPjS_PjS_
	.globl	_Z10finalmaxcuPjS_
	.type	_Z10finalmaxcuPjS_, @function
_Z10finalmaxcuPjS_:
.LFB2057:
	.cfi_startproc
	endbr64
	jmp	_Z32__device_stub__Z10finalmaxcuPjS_PjS_
	.cfi_endproc
.LFE2057:
	.size	_Z10finalmaxcuPjS_, .-_Z10finalmaxcuPjS_
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"%u,"
.LC1:
	.string	"\n"
	.text
	.globl	_Z8getmaxcuPjj
	.type	_Z8getmaxcuPjj, @function
_Z8getmaxcuPjj:
.LFB2028:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	movq	%rdi, %r12
	movl	$4, %edi
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	movl	%esi, %ebx
	subq	$72, %rsp
	.cfi_def_cfa_offset 112
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	xorl	%eax, %eax
	call	malloc@PLT
	movq	%rsp, %rdi
	movl	$4, %esi
	movl	%ebx, (%rax)
	movq	%rax, %rbp
	call	cudaMalloc@PLT
	movq	%rbp, %rsi
	movq	(%rsp), %rdi
	movl	%ebx, %ebp
	salq	$2, %rbp
	movl	$1, %ecx
	movl	$4, %edx
	shrl	$3, %ebx
	call	cudaMemcpy@PLT
	leaq	8(%rsp), %rdi
	movq	%rbp, %rsi
	call	cudaMalloc@PLT
	movq	8(%rsp), %rdi
	movq	%rbp, %rdx
	movq	%r12, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	leaq	16(%rsp), %rdi
	movq	%rbp, %rsi
	call	cudaMalloc@PLT
	movl	$4, %esi
	leaq	24(%rsp), %rdi
	call	cudaMalloc@PLT
	movl	$4, %edi
	call	malloc@PLT
	movl	$33554433, %edx
	xorl	%r9d, %r9d
	movl	$536870913, %edi
	salq	$7, %rdx
	salq	$3, %rdi
	movl	$1, %ecx
	movq	%rax, %r12
	leal	0(,%rbx,4), %r8d
	movl	$1, %esi
	movq	%rdx, 44(%rsp)
	movl	$1, 52(%rsp)
	movq	%rdi, 32(%rsp)
	movl	$1, 40(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L18
	movq	(%rsp), %rdx
	movq	16(%rsp), %rsi
	movq	8(%rsp), %rdi
	call	_Z31__device_stub__Z8getmaxcuPjS_S_PjS_S_
.L18:
	movl	$32, %edi
	xorl	%ebx, %ebx
	call	malloc@PLT
	movq	16(%rsp), %rsi
	movq	%rbp, %rdx
	movl	$2, %ecx
	movq	%rax, %rdi
	movq	%rax, %r13
	leaq	.LC0(%rip), %rbp
	call	cudaMemcpy@PLT
.L19:
	movl	0(%r13,%rbx,4), %edx
	movq	%rbp, %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	incq	%rbx
	call	__printf_chk@PLT
	cmpq	$8, %rbx
	jne	.L19
	leaq	.LC1(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movl	$33554433, %edx
	xorl	%r9d, %r9d
	movabsq	$4294967297, %rdi
	salq	$7, %rdx
	movl	$32, %r8d
	movl	$1, %ecx
	movl	$1, %esi
	movq	%rdx, 44(%rsp)
	movl	$1, 52(%rsp)
	movq	%rdi, 32(%rsp)
	movl	$1, 40(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L20
	movq	24(%rsp), %rsi
	movq	16(%rsp), %rdi
	call	_Z32__device_stub__Z10finalmaxcuPjS_PjS_
.L20:
	movq	24(%rsp), %rsi
	movl	$2, %ecx
	movl	$4, %edx
	movq	%r12, %rdi
	call	cudaMemcpy@PLT
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	8(%rsp), %rdi
	call	cudaFree@PLT
	movq	16(%rsp), %rdi
	call	cudaFree@PLT
	movl	(%r12), %eax
	movq	56(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L21
	call	__stack_chk_fail@PLT
.L21:
	addq	$72, %rsp
	.cfi_def_cfa_offset 40
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%rbp
	.cfi_def_cfa_offset 24
	popq	%r12
	.cfi_def_cfa_offset 16
	popq	%r13
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2028:
	.size	_Z8getmaxcuPjj, .-_Z8getmaxcuPjj
	.section	.rodata.str1.1
.LC2:
	.string	"usage: maxseq num\n"
.LC3:
	.string	"num = size of the array\n"
.LC4:
	.string	"Unable to allocate mem for an array of size %u\n"
.LC5:
	.string	"%d\n"
.LC6:
	.string	" The maximum number in the array is: %u\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2027:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	pushq	%rax
	.cfi_def_cfa_offset 48
	cmpl	$2, %edi
	je	.L25
	leaq	.LC2(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	leaq	.LC3(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	jmp	.L30
.L25:
	movq	8(%rsi), %rdi
	call	atol@PLT
	movl	%eax, %ebp
	movl	%eax, %eax
	leaq	0(,%rax,4), %rdi
	call	malloc@PLT
	movq	%rax, %rbx
	testq	%rax, %rax
	jne	.L26
	movl	%ebp, %edx
	leaq	.LC4(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L30:
	movl	$1, %edi
.L31:
	call	exit@PLT
.L26:
	xorl	%edi, %edi
	xorl	%r12d, %r12d
	leaq	.LC5(%rip), %r13
	call	time@PLT
	movl	%eax, %edi
	call	srand@PLT
.L27:
	cmpl	%ebp, %r12d
	jnb	.L32
	call	rand@PLT
	xorl	%edx, %edx
	movq	%r13, %rsi
	movl	$2, %edi
	divl	%ebp
	xorl	%eax, %eax
	movl	%edx, (%rbx,%r12,4)
	incq	%r12
	call	__printf_chk@PLT
	jmp	.L27
.L32:
	movl	%ebp, %esi
	movq	%rbx, %rdi
	call	_Z8getmaxcuPjj
	leaq	.LC6(%rip), %rsi
	movl	$2, %edi
	movl	%eax, %edx
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movq	%rbx, %rdi
	call	free@PLT
	xorl	%edi, %edi
	jmp	.L31
	.cfi_endproc
.LFE2027:
	.size	main, .-main
	.section	.rodata.str1.1
.LC7:
	.string	"_Z10finalmaxcuPjS_"
.LC8:
	.string	"_Z8getmaxcuPjS_S_"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2059:
	.cfi_startproc
	endbr64
	pushq	%rbx
	.cfi_def_cfa_offset 16
	.cfi_offset 3, -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	.LC7(%rip), %rdx
	movq	%rax, %rdi
	movq	%rax, %rbx
	pushq	$0
	.cfi_def_cfa_offset 40
	movq	%rdx, %rcx
	leaq	_Z10finalmaxcuPjS_(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 48
	movq	%rax, _ZL20__cudaFatCubinHandle(%rip)
	call	__cudaRegisterFunction@PLT
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	movq	%rbx, %rdi
	xorl	%r9d, %r9d
	pushq	$0
	.cfi_def_cfa_offset 24
	leaq	.LC8(%rip), %rdx
	orl	$-1, %r8d
	leaq	_Z8getmaxcuPjS_S_(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 32
	movq	%rdx, %rcx
	pushq	$0
	.cfi_def_cfa_offset 40
	pushq	$0
	.cfi_def_cfa_offset 48
	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	%rbx
	.cfi_def_cfa_offset 8
	jmp	atexit@PLT
	.cfi_endproc
.LFE2059:
	.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:

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

unsigned int getmaxcu(unsigned int *, unsigned int);

int main(int argc, char *argv[])
{
    unsigned int size = 0;  // The size of the array
    unsigned int i;  // loop index
    unsigned int * numbers; //pointer to the array

    if(argc !=2)
    {
       printf("usage: maxseq num\n");
       printf("num = size of the array\n");
       exit(1);
    }
   
    size = atol(argv[1]);

    numbers = (unsigned int *) malloc(size * sizeof(unsigned int));
    if( !numbers )
    {
       printf("Unable to allocate mem for an array of size %u\n", size);
       exit(1);
    }    

    srand(time(NULL)); // setting a seed for the random number generator
    // Fill-up the array with random numbers from 0 to size-1 
    for( i = 0; i < size; i++){
       numbers[i] = rand() % size;
       printf("%d\n", numbers[i]);
    }
    unsigned int max = getmaxcu(numbers, size);
    printf(" The maximum number in the array is: %u\n", max);
    free(numbers);
    exit(0);
}//end of main


/*
   input: pointer to an array of long int
          number of elements in the array
   output: the maximum number of the array
*/

__global__ void getmaxcu(unsigned int* globalInputArr, unsigned int* globalOutputArr, unsigned int* sizeArr){
	//you need a shared array (per block) to put the block's max into
	//you also need a global array to put the overall max into
	extern __shared__ unsigned int sdata[];

	unsigned int size = sizeArr[0];

	unsigned int tid = threadIdx.x; 
	unsigned int gid = (blockIdx.x * blockDim.x) + threadIdx.x; //getting the unique index of thread
	sdata[tid] = 0; //initializing the shared data array (shared per block)
	
	if(gid < size){
		sdata[tid] = globalInputArr[gid];
	}
	__syncthreads();
	/*
	for (unsigned int s = blockDim.x/2; s>0; s>>=1) {
		if(gid < size && tid < s) {
			sdata[tid] = max(sdata[tid], sdata[tid + s]);
		}
		__syncthreads();
	}
	*/
	if (tid == 0){
		globalOutputArr[blockIdx.x] = sdata[tid]; //putting all the max from each block into a global output array
	}
}

__global__ void finalmaxcu(unsigned int* globalOutputArr, unsigned int* max){
	int tid = threadIdx.x;
	extern __shared__ unsigned int sdata[];
	sdata[tid] = 0;

	if(tid < blockDim.x){
		sdata[tid] = globalOutputArr[tid];
	}
	__syncthreads();
	/*
	for (unsigned int s=blockDim.x/2; s>0; s>>=1){ //it starts at the half way mark and keeps div in 2
		if(tid < s){
			unsigned int greater = sdata[tid];
			if(sdata[tid] < sdata[tid+s]){
				greater = sdata[tid+s];
			}
			sdata[tid] = greater;
		}
		__syncthreads();
	}
	*/
	if (tid == 0){
		max[0] = sdata[tid];
	}
}

unsigned int getmaxcu(unsigned int* numbers, unsigned int num_elem){
	//max num of threads per SM : 2048
	//max num of threads per block : 1024

	unsigned int* sizeArr = (unsigned int*) malloc(sizeof(unsigned int));//creating an array to pass on to the device
	sizeArr[0] = num_elem;
	unsigned int* size; //declaring a size integer (device)
	hipMalloc((void**)&size, sizeof(unsigned int)); 
	hipMemcpy((void*) size, (void*) sizeArr, sizeof(unsigned int), hipMemcpyHostToDevice);
	
	unsigned int* globalInputArr;
	hipMalloc((void**)&globalInputArr, num_elem * sizeof(unsigned int));
	hipMemcpy((void*) globalInputArr, (void*) numbers, num_elem * sizeof(unsigned int), hipMemcpyHostToDevice);
	
	unsigned int* globalOutputArr;
	hipMalloc((void**)&globalOutputArr, num_elem*sizeof(unsigned int));

	unsigned int* max;
	hipMalloc((void**)&max, sizeof(unsigned int));//allocating the max number pointer in the device

	unsigned int* maxNum = (unsigned int*) malloc(sizeof(unsigned int)); //allocating the max number pointer in the host
	
	//first experimenting with block size of 128, the max block size is 1024
	//adding size as the third parameter in the triple bracket sets the byte size for the sdata (which is in the shared memory)
	//whatever is in sdata should be the size of N divided by the number of blocks (which is 8 for now)
	unsigned int sharedSize = (num_elem / 8) * sizeof(unsigned int);
	getmaxcu<<<8, 128, sharedSize>>>(globalInputArr, globalOutputArr, size); 

	unsigned int* copy = (unsigned int*) malloc(8 * sizeof(unsigned int));
	hipMemcpy((void*) copy, (void*) globalOutputArr, (num_elem * sizeof(unsigned int)), hipMemcpyDeviceToHost);
	for(int i = 0; i < 8; i++){
		printf("%u,",copy[i]);
	}

	printf("\n");
	finalmaxcu<<<1, 128, (8 * sizeof(unsigned int))>>>(globalOutputArr, max);
	hipMemcpy((void*) maxNum, (void*) max, sizeof(unsigned int), hipMemcpyDeviceToHost);//copying back the max from the device to host
   	
    hipFree(max);
	hipFree(globalInputArr);
	hipFree(globalOutputArr);
	return maxNum[0];
}




unsigned int getmax(unsigned int num[], unsigned int size)
{

  unsigned int i;
  unsigned int max = num[0];

  for(i = 1; i < size; i++)
	if(num[i] > max)
	   max = num[i];

  return( max );

}
	.text
	.file	"maxgpu.hip"
	.globl	main                            # -- Begin function main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%r12
	.cfi_def_cfa_offset 32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	pushq	%rax
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -40
	.cfi_offset %r12, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	cmpl	$2, %edi
	jne	.LBB0_4
# %bb.1:
	movq	8(%rsi), %rdi
	callq	atol
	movq	%rax, %rbx
	movl	%ebx, %edi
	shlq	$2, %rdi
	callq	malloc
	testq	%rax, %rax
	jne	.LBB0_5
# %bb.2:
	movl	$.L.str.2, %edi
	movl	%ebx, %esi
	xorl	%eax, %eax
	callq	printf
	jmp	.LBB0_3
.LBB0_4:
	movl	$.Lstr, %edi
	callq	puts@PLT
	movl	$.Lstr.1, %edi
	callq	puts@PLT
.LBB0_3:
	movl	$1, %edi
	callq	exit
.LBB0_5:
	movq	%rax, %r14
	xorl	%edi, %edi
	callq	time
	movl	%eax, %edi
	callq	srand
	testl	%ebx, %ebx
	je	.LBB0_8
# %bb.6:                                # %.lr.ph.preheader
	movl	%ebx, %r15d
	xorl	%r12d, %r12d
.LBB0_7:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
	xorl	%edx, %edx
	divl	%ebx
	movl	%edx, (%r14,%r12,4)
	movl	$.L.str.3, %edi
	movl	%edx, %esi
	xorl	%eax, %eax
	callq	printf
	incq	%r12
	cmpq	%r12, %r15
	jne	.LBB0_7
.LBB0_8:                                # %._crit_edge
	movq	%r14, %rdi
	movl	%ebx, %esi
	callq	_Z8getmaxcuPjj
	movl	$.L.str.4, %edi
	movl	%eax, %esi
	xorl	%eax, %eax
	callq	printf
	movq	%r14, %rdi
	callq	free
	xorl	%edi, %edi
	callq	exit
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- End function
	.globl	_Z8getmaxcuPjj                  # -- Begin function _Z8getmaxcuPjj
	.type	_Z8getmaxcuPjj,@function
_Z8getmaxcuPjj:                         # @_Z8getmaxcuPjj
	.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	$32, %rsp
	.cfi_def_cfa_offset 80
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movl	%esi, %r12d
	movq	%rdi, %r14
	movabsq	$4294967424, %rbx               # imm = 0x100000080
	movl	$4, %edi
	callq	malloc
	movq	%rax, %r15
	movl	%r12d, (%rax)
	leaq	24(%rsp), %r13
	movl	$4, %esi
	movq	%r13, %rdi
	callq	hipMalloc
	movq	(%r13), %rdi
	movl	$4, %edx
	movq	%r15, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	movl	%r12d, %r15d
	shlq	$2, %r15
	leaq	16(%rsp), %r13
	movq	%r13, %rdi
	movq	%r15, %rsi
	callq	hipMalloc
	movq	(%r13), %rdi
	movq	%r14, %rsi
	movq	%r15, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	movq	%rsp, %rdi
	movq	%r15, %rsi
	callq	hipMalloc
	leaq	8(%rsp), %rdi
	movl	$4, %esi
	callq	hipMalloc
	movl	$4, %edi
	callq	malloc
	movq	%rax, %r14
	shrl	%r12d
	andl	$-4, %r12d
	leaq	-120(%rbx), %rdi
	movl	$1, %esi
	movq	%rbx, %rdx
	movl	$1, %ecx
	movq	%r12, %r8
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB1_2
# %bb.1:
	movq	16(%rsp), %rdi
	movq	(%rsp), %rsi
	movq	24(%rsp), %rdx
	callq	_Z23__device_stub__getmaxcuPjS_S_
.LBB1_2:
	movl	$32, %edi
	callq	malloc
	movq	%rax, %r12
	movq	(%rsp), %rsi
	movq	%rax, %rdi
	movq	%r15, %rdx
	movl	$2, %ecx
	callq	hipMemcpy
	xorl	%r15d, %r15d
.LBB1_3:                                # =>This Inner Loop Header: Depth=1
	movl	(%r12,%r15,4), %esi
	movl	$.L.str.5, %edi
	xorl	%eax, %eax
	callq	printf
	incq	%r15
	cmpq	$8, %r15
	jne	.LBB1_3
# %bb.4:
	movl	$10, %edi
	callq	putchar@PLT
	leaq	-127(%rbx), %rdi
	movl	$32, %r8d
	movl	$1, %esi
	movq	%rbx, %rdx
	movl	$1, %ecx
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB1_6
# %bb.5:
	movq	(%rsp), %rdi
	movq	8(%rsp), %rsi
	callq	_Z25__device_stub__finalmaxcuPjS_
.LBB1_6:
	movq	8(%rsp), %rsi
	movl	$4, %edx
	movq	%r14, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	16(%rsp), %rdi
	callq	hipFree
	movq	(%rsp), %rdi
	callq	hipFree
	movl	(%r14), %eax
	addq	$32, %rsp
	.cfi_def_cfa_offset 48
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end1:
	.size	_Z8getmaxcuPjj, .Lfunc_end1-_Z8getmaxcuPjj
	.cfi_endproc
                                        # -- End function
	.globl	_Z23__device_stub__getmaxcuPjS_S_ # -- Begin function _Z23__device_stub__getmaxcuPjS_S_
	.type	_Z23__device_stub__getmaxcuPjS_S_,@function
_Z23__device_stub__getmaxcuPjS_S_:      # @_Z23__device_stub__getmaxcuPjS_S_
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%r13
	.cfi_def_cfa_offset 32
	pushq	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$112, %rsp
	.cfi_def_cfa_offset 160
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	leaq	40(%rsp), %rax
	movq	%rdi, (%rax)
	leaq	32(%rsp), %rcx
	movq	%rsi, (%rcx)
	leaq	24(%rsp), %rsi
	movq	%rdx, (%rsi)
	leaq	80(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	movq	%rsi, 16(%rbx)
	leaq	64(%rsp), %r14
	leaq	48(%rsp), %r15
	leaq	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	$_Z8getmaxcuPjS_S_, %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_end2:
	.size	_Z23__device_stub__getmaxcuPjS_S_, .Lfunc_end2-_Z23__device_stub__getmaxcuPjS_S_
	.cfi_endproc
                                        # -- End function
	.globl	_Z25__device_stub__finalmaxcuPjS_ # -- Begin function _Z25__device_stub__finalmaxcuPjS_
	.type	_Z25__device_stub__finalmaxcuPjS_,@function
_Z25__device_stub__finalmaxcuPjS_:      # @_Z25__device_stub__finalmaxcuPjS_
	.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	16(%rsp), %rcx
	movq	%rsi, (%rcx)
	leaq	64(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	leaq	48(%rsp), %r14
	leaq	32(%rsp), %r15
	leaq	8(%rsp), %r12
	movq	%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	$_Z10finalmaxcuPjS_, %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_end3:
	.size	_Z25__device_stub__finalmaxcuPjS_, .Lfunc_end3-_Z25__device_stub__finalmaxcuPjS_
	.cfi_endproc
                                        # -- End function
	.globl	_Z6getmaxPjj                    # -- Begin function _Z6getmaxPjj
	.type	_Z6getmaxPjj,@function
_Z6getmaxPjj:                           # @_Z6getmaxPjj
	.cfi_startproc
# %bb.0:
	movl	(%rdi), %eax
	cmpl	$2, %esi
	jb	.LBB4_3
# %bb.1:                                # %.lr.ph.preheader
	movl	%esi, %ecx
	movl	$1, %edx
.LBB4_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movl	(%rdi,%rdx,4), %esi
	cmpl	%eax, %esi
	cmoval	%esi, %eax
	incq	%rdx
	cmpq	%rdx, %rcx
	jne	.LBB4_2
.LBB4_3:                                # %._crit_edge
	retq
.Lfunc_end4:
	.size	_Z6getmaxPjj, .Lfunc_end4-_Z6getmaxPjj
	.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:
	pushq	%rbx
	.cfi_def_cfa_offset 16
	subq	$32, %rsp
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -16
	movq	__hip_gpubin_handle(%rip), %rbx
	testq	%rbx, %rbx
	jne	.LBB5_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rbx
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB5_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z8getmaxcuPjS_S_, %esi
	movl	$.L__unnamed_1, %edx
	movl	$.L__unnamed_1, %ecx
	movq	%rbx, %rdi
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z10finalmaxcuPjS_, %esi
	movl	$.L__unnamed_2, %edx
	movl	$.L__unnamed_2, %ecx
	movq	%rbx, %rdi
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	movl	$__hip_module_dtor, %edi
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	popq	%rbx
	.cfi_def_cfa_offset 8
	jmp	atexit                          # TAILCALL
.Lfunc_end5:
	.size	__hip_module_ctor, .Lfunc_end5-__hip_module_ctor
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_dtor
	.type	__hip_module_dtor,@function
__hip_module_dtor:                      # @__hip_module_dtor
	.cfi_startproc
# %bb.0:
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	je	.LBB6_2
# %bb.1:
	pushq	%rax
	.cfi_def_cfa_offset 16
	callq	__hipUnregisterFatBinary
	movq	$0, __hip_gpubin_handle(%rip)
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
.LBB6_2:
	retq
.Lfunc_end6:
	.size	__hip_module_dtor, .Lfunc_end6-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	.L.str.2,@object                # @.str.2
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str.2:
	.asciz	"Unable to allocate mem for an array of size %u\n"
	.size	.L.str.2, 48

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"%d\n"
	.size	.L.str.3, 4

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	" The maximum number in the array is: %u\n"
	.size	.L.str.4, 41

	.type	_Z8getmaxcuPjS_S_,@object       # @_Z8getmaxcuPjS_S_
	.section	.rodata,"a",@progbits
	.globl	_Z8getmaxcuPjS_S_
	.p2align	3, 0x0
_Z8getmaxcuPjS_S_:
	.quad	_Z23__device_stub__getmaxcuPjS_S_
	.size	_Z8getmaxcuPjS_S_, 8

	.type	_Z10finalmaxcuPjS_,@object      # @_Z10finalmaxcuPjS_
	.globl	_Z10finalmaxcuPjS_
	.p2align	3, 0x0
_Z10finalmaxcuPjS_:
	.quad	_Z25__device_stub__finalmaxcuPjS_
	.size	_Z10finalmaxcuPjS_, 8

	.type	.L.str.5,@object                # @.str.5
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str.5:
	.asciz	"%u,"
	.size	.L.str.5, 4

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z8getmaxcuPjS_S_"
	.size	.L__unnamed_1, 18

	.type	.L__unnamed_2,@object           # @1
.L__unnamed_2:
	.asciz	"_Z10finalmaxcuPjS_"
	.size	.L__unnamed_2, 19

	.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	"usage: maxseq num"
	.size	.Lstr, 18

	.type	.Lstr.1,@object                 # @str.1
.Lstr.1:
	.asciz	"num = size of the array"
	.size	.Lstr.1, 24

	.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__getmaxcuPjS_S_
	.addrsig_sym _Z25__device_stub__finalmaxcuPjS_
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z8getmaxcuPjS_S_
	.addrsig_sym _Z10finalmaxcuPjS_
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z8getmaxcuPjS_S_       ; -- Begin function _Z8getmaxcuPjS_S_
	.globl	_Z8getmaxcuPjS_S_
	.p2align	8
	.type	_Z8getmaxcuPjS_S_,@function
_Z8getmaxcuPjS_S_:                      ; @_Z8getmaxcuPjS_S_
; %bb.0:
	s_clause 0x1
	s_load_b64 s[2:3], s[0:1], 0x10
	s_load_b32 s5, s[0:1], 0x24
	s_mov_b32 s4, s15
	v_lshl_add_u32 v3, v0, 2, 0
	s_waitcnt lgkmcnt(0)
	s_load_b32 s6, s[2:3], 0x0
	s_load_b128 s[0:3], s[0:1], 0x0
	s_and_b32 s5, s5, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1)
	v_mad_u64_u32 v[1:2], null, s4, s5, v[0:1]
	v_mov_b32_e32 v2, 0
	s_mov_b32 s5, exec_lo
	ds_store_b32 v3, v2
	s_waitcnt lgkmcnt(0)
	v_cmpx_gt_u32_e64 s6, v1
	s_cbranch_execz .LBB0_2
; %bb.1:
	v_lshlrev_b64 v[1:2], 2, v[1:2]
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_add_co_u32 v1, vcc_lo, s0, v1
	v_add_co_ci_u32_e32 v2, vcc_lo, s1, v2, vcc_lo
	global_load_b32 v1, v[1:2], off
	s_waitcnt vmcnt(0)
	ds_store_b32 v3, v1
.LBB0_2:
	s_or_b32 exec_lo, exec_lo, s5
	s_waitcnt lgkmcnt(0)
	s_barrier
	buffer_gl0_inv
	s_mov_b32 s0, exec_lo
	v_cmpx_eq_u32_e32 0, v0
	s_cbranch_execz .LBB0_4
; %bb.3:
	ds_load_b32 v0, v3
	s_mov_b32 s5, 0
	v_mov_b32_e32 v1, 0
	s_lshl_b64 s[0:1], s[4:5], 2
	s_delay_alu instid0(SALU_CYCLE_1)
	s_add_u32 s0, s2, s0
	s_addc_u32 s1, s3, s1
	s_waitcnt lgkmcnt(0)
	global_store_b32 v1, v0, s[0:1]
.LBB0_4:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z8getmaxcuPjS_S_
		.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 4
		.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	_Z8getmaxcuPjS_S_, .Lfunc_end0-_Z8getmaxcuPjS_S_
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 236
; NumSgprs: 18
; NumVgprs: 4
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 4
; 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
	.protected	_Z10finalmaxcuPjS_      ; -- Begin function _Z10finalmaxcuPjS_
	.globl	_Z10finalmaxcuPjS_
	.p2align	8
	.type	_Z10finalmaxcuPjS_,@function
_Z10finalmaxcuPjS_:                     ; @_Z10finalmaxcuPjS_
; %bb.0:
	s_clause 0x1
	s_load_b32 s4, s[0:1], 0x1c
	s_load_b128 s[0:3], s[0:1], 0x0
	v_lshl_add_u32 v1, v0, 2, 0
	v_mov_b32_e32 v2, 0
	ds_store_b32 v1, v2
	s_waitcnt lgkmcnt(0)
	s_and_b32 s4, s4, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1)
	v_cmp_gt_u32_e32 vcc_lo, s4, v0
	s_and_saveexec_b32 s4, vcc_lo
	s_cbranch_execz .LBB1_2
; %bb.1:
	v_lshlrev_b32_e32 v2, 2, v0
	global_load_b32 v2, v2, s[0:1]
	s_waitcnt vmcnt(0)
	ds_store_b32 v1, v2
.LBB1_2:
	s_or_b32 exec_lo, exec_lo, s4
	s_waitcnt lgkmcnt(0)
	s_barrier
	buffer_gl0_inv
	s_mov_b32 s0, exec_lo
	v_cmpx_eq_u32_e32 0, v0
	s_cbranch_execz .LBB1_4
; %bb.3:
	ds_load_b32 v0, v1
	v_mov_b32_e32 v1, 0
	s_waitcnt lgkmcnt(0)
	global_store_b32 v1, v0, s[2:3]
.LBB1_4:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z10finalmaxcuPjS_
		.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 3
		.amdhsa_next_free_sgpr 5
		.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_end1:
	.size	_Z10finalmaxcuPjS_, .Lfunc_end1-_Z10finalmaxcuPjS_
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 160
; NumSgprs: 7
; NumVgprs: 3
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 0
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 7
; NumVGPRsForWavesPerEU: 3
; 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
      - .address_space:  global
        .offset:         16
        .size:           8
        .value_kind:     global_buffer
      - .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
      - .offset:         144
        .size:           4
        .value_kind:     hidden_dynamic_lds_size
    .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:           _Z8getmaxcuPjS_S_
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z8getmaxcuPjS_S_.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     4
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
  - .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:     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
      - .offset:         136
        .size:           4
        .value_kind:     hidden_dynamic_lds_size
    .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:           _Z10finalmaxcuPjS_
    .private_segment_fixed_size: 0
    .sgpr_count:     7
    .sgpr_spill_count: 0
    .symbol:         _Z10finalmaxcuPjS_.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     3
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
