#include <iostream>
#include <chrono>
#include <cstdlib>
using namespace std;
using namespace std::chrono;

__global__ void reduce(float *g_idata, float *g_odata){
    extern __shared__ float sdata[];

    //each thread loads one element from global to shared mem
    unsigned int tid = threadIdx.x;
    unsigned int i = blockIdx.x * blockDim.x + threadIdx.x;
    sdata[tid] = g_idata[i];
    __syncthreads();

    // do reduction in shared mem
    for(unsigned int s = 1;s < blockDim.x; s *= 2){
        if(tid % (2 * s) == 0){
            sdata[tid] += sdata[tid + s];
        }
        __syncthreads();
    }

    // write result for this block to global mem
    if (tid == 0) g_odata[blockIdx.x] = sdata[0];
}

void sum_CPU(float *host_input, float *host_output, unsigned int size){
    double result = 0.0f;
    auto start = high_resolution_clock::now();
    for(int i = 0;i < size;i ++){
        result += host_input[i];
    }
    auto stop = high_resolution_clock::now();
    auto time_req = duration_cast<microseconds>(stop - start).count();
    cout << endl << "Time required for CPU : " << time_req << " microseconds "<< endl;
    cout << endl << " Sum from CPU : " << result << endl;
}

void compute_sum_cpu(int *cpu_input, int *cpu_output, unsigned int n){
    
    for(unsigned int i = 0;i < n;i ++){
        cpu_output[0] += cpu_input[i];
    }
    
}

int main(){
    
    int maxThreads = 1024;
    
    float *host_input, *host_output, *device_input, *device_output;
    float *cpu_input;
    float *cpu_output;

    int n = 2 << 29;
    size_t size = n * sizeof(float);

    //CPU sum
    cpu_input = (float *)malloc(sizeof(float));
    cpu_output = (float *)malloc(sizeof(float));
    cpu_output[0] = 0.0f;

    for(unsigned int i = 0;i < n;i ++){
        cpu_input[i] = 1.0f;
    }

    sum_CPU(cpu_input, cpu_output, n);

    host_input = (float *)malloc(size);
    for(int i = 0;i < n;i ++){
        host_input[i] = 1;
    }
    
    int blocks = n / maxThreads;
    host_output = (float *)malloc(blocks * sizeof(float));

    const dim3 block_size(maxThreads, 1, 1);
    const dim3 grid_size(blocks, 1, 1);
    
    cudaMalloc(&device_input, size);
    cudaMalloc(&device_output, blocks * sizeof(float));

    cudaMemcpy(device_input, host_input, size, cudaMemcpyHostToDevice);

    reduce<<<grid_size, block_size, maxThreads * sizeof(float)>>>(device_input, device_output);

    cudaMemcpy(host_output, device_output, blocks * sizeof(float), cudaMemcpyDeviceToHost);

    for(int i = 1;i < blocks; i++){
        host_output[0] += host_output[i];
    }

    cout << endl << " Sum from GPU : " << *host_output << endl;
}
	.file	"tmpxft_003441fb_00000000-6_sumv2.cudafe1.cpp"
	.text
#APP
	.globl _ZSt21ios_base_library_initv

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB3741:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE3741:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"Time required for CPU : "
.LC2:
	.string	" microseconds "
.LC3:
	.string	" Sum from CPU : "
	.text
	.globl	_Z7sum_CPUPfS_j
	.type	_Z7sum_CPUPfS_j, @function
_Z7sum_CPUPfS_j:
.LFB3734:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movq	%rdi, %r12
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	movl	%edx, %ebp
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	subq	$16, %rsp
	.cfi_def_cfa_offset 48
	call	_ZNSt6chrono3_V212system_clock3nowEv@PLT
	xorl	%ecx, %ecx
	xorps	%xmm0, %xmm0
	movq	%rax, %rbx
.L3:
	cmpl	%ebp, %ecx
	jnb	.L7
	cvtss2sd	(%r12,%rcx,4), %xmm1
	incq	%rcx
	addsd	%xmm1, %xmm0
	jmp	.L3
.L7:
	movsd	%xmm0, 8(%rsp)
	call	_ZNSt6chrono3_V212system_clock3nowEv@PLT
	movl	$1000, %ecx
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	subq	%rbx, %rax
	leaq	_ZSt4cout(%rip), %rbx
	cqto
	movq	%rbx, %rdi
	idivq	%rcx
	movq	%rax, %rbp
	call	_ZNSolsEPFRSoS_E@PLT
	leaq	.LC1(%rip), %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	%rbp, %rsi
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIlEERSoT_@PLT
	leaq	.LC2(%rip), %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rbx, %rdi
	call	_ZNSolsEPFRSoS_E@PLT
	leaq	.LC3(%rip), %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movsd	8(%rsp), %xmm0
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	addq	$16, %rsp
	.cfi_def_cfa_offset 32
	popq	%rbx
	.cfi_def_cfa_offset 24
	movq	%rax, %rdi
	popq	%rbp
	.cfi_def_cfa_offset 16
	popq	%r12
	.cfi_def_cfa_offset 8
	jmp	_ZNSolsEPFRSoS_E@PLT
	.cfi_endproc
.LFE3734:
	.size	_Z7sum_CPUPfS_j, .-_Z7sum_CPUPfS_j
	.globl	_Z15compute_sum_cpuPiS_j
	.type	_Z15compute_sum_cpuPiS_j, @function
_Z15compute_sum_cpuPiS_j:
.LFB3737:
	.cfi_startproc
	endbr64
	xorl	%eax, %eax
.L9:
	cmpl	%edx, %eax
	jnb	.L11
	movl	(%rdi,%rax,4), %ecx
	incq	%rax
	addl	%ecx, (%rsi)
	jmp	.L9
.L11:
	ret
	.cfi_endproc
.LFE3737:
	.size	_Z15compute_sum_cpuPiS_j, .-_Z15compute_sum_cpuPiS_j
	.globl	_Z27__device_stub__Z6reducePfS_PfS_
	.type	_Z27__device_stub__Z6reducePfS_PfS_, @function
_Z27__device_stub__Z6reducePfS_PfS_:
.LFB3763:
	.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	_Z6reducePfS_(%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
.LFE3763:
	.size	_Z27__device_stub__Z6reducePfS_PfS_, .-_Z27__device_stub__Z6reducePfS_PfS_
	.globl	_Z6reducePfS_
	.type	_Z6reducePfS_, @function
_Z6reducePfS_:
.LFB3764:
	.cfi_startproc
	endbr64
	jmp	_Z27__device_stub__Z6reducePfS_PfS_
	.cfi_endproc
.LFE3764:
	.size	_Z6reducePfS_, .-_Z6reducePfS_
	.section	.rodata.str1.1
.LC5:
	.string	" Sum from GPU : "
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB3738:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movl	$4, %edi
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	subq	$48, %rsp
	.cfi_def_cfa_offset 80
	movq	%fs:40, %rax
	movq	%rax, 40(%rsp)
	xorl	%eax, %eax
	call	malloc@PLT
	movl	$4, %edi
	movq	%rax, %rbx
	call	malloc@PLT
	xorl	%edx, %edx
	movq	%rax, %rsi
.L18:
	movl	$0x3f800000, (%rbx,%rdx,4)
	incq	%rdx
	cmpq	$1073741824, %rdx
	jne	.L18
	movq	%rbx, %rdi
	call	_Z7sum_CPUPfS_j
	movl	$1, %edi
	salq	$32, %rdi
	call	malloc@PLT
	movq	%rax, %rbp
	xorl	%eax, %eax
.L19:
	movl	$0x3f800000, 0(%rbp,%rax,4)
	incq	%rax
	cmpq	$1073741824, %rax
	jne	.L19
	movabsq	$4294967296, %r12
	movl	$4194304, %edi
	call	malloc@PLT
	movq	%rsp, %rdi
	movq	%r12, %rsi
	movl	$1, 24(%rsp)
	movq	%rax, %rbx
	movl	$4194305, %eax
	movl	$1, 36(%rsp)
	salq	$10, %rax
	movq	%rax, 16(%rsp)
	addq	$1047552, %rax
	movq	%rax, 28(%rsp)
	call	cudaMalloc@PLT
	leaq	8(%rsp), %rdi
	movl	$4194304, %esi
	call	cudaMalloc@PLT
	movq	(%rsp), %rdi
	movq	%r12, %rdx
	movq	%rbp, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movl	24(%rsp), %ecx
	movl	36(%rsp), %esi
	xorl	%r9d, %r9d
	movq	16(%rsp), %rdx
	movq	28(%rsp), %rdi
	movl	$4096, %r8d
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L20
	movq	8(%rsp), %rsi
	movq	(%rsp), %rdi
	call	_Z27__device_stub__Z6reducePfS_PfS_
.L20:
	movq	8(%rsp), %rsi
	movl	$2, %ecx
	movl	$4194304, %edx
	movq	%rbx, %rdi
	call	cudaMemcpy@PLT
	movl	$1, %eax
.L21:
	movss	(%rbx), %xmm0
	addss	(%rbx,%rax,4), %xmm0
	incq	%rax
	movss	%xmm0, (%rbx)
	cmpq	$1048576, %rax
	jne	.L21
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	call	_ZNSolsEPFRSoS_E@PLT
	leaq	.LC5(%rip), %rsi
	movq	%rax, %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	cvtss2sd	(%rbx), %xmm0
	movq	%rax, %rdi
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E@PLT
	movq	40(%rsp), %rax
	subq	%fs:40, %rax
	je	.L22
	call	__stack_chk_fail@PLT
.L22:
	addq	$48, %rsp
	.cfi_def_cfa_offset 32
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%rbp
	.cfi_def_cfa_offset 16
	popq	%r12
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE3738:
	.size	main, .-main
	.section	.rodata.str1.1
.LC6:
	.string	"_Z6reducePfS_"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB3766:
	.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	_Z6reducePfS_(%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
.LFE3766:
	.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 <hip/hip_runtime.h>
#include <iostream>
#include <chrono>
#include <cstdlib>
using namespace std;
using namespace std::chrono;

__global__ void reduce(float *g_idata, float *g_odata){
    extern __shared__ float sdata[];

    //each thread loads one element from global to shared mem
    unsigned int tid = threadIdx.x;
    unsigned int i = blockIdx.x * blockDim.x + threadIdx.x;
    sdata[tid] = g_idata[i];
    __syncthreads();

    // do reduction in shared mem
    for(unsigned int s = 1;s < blockDim.x; s *= 2){
        if(tid % (2 * s) == 0){
            sdata[tid] += sdata[tid + s];
        }
        __syncthreads();
    }

    // write result for this block to global mem
    if (tid == 0) g_odata[blockIdx.x] = sdata[0];
}

void sum_CPU(float *host_input, float *host_output, unsigned int size){
    double result = 0.0f;
    auto start = high_resolution_clock::now();
    for(int i = 0;i < size;i ++){
        result += host_input[i];
    }
    auto stop = high_resolution_clock::now();
    auto time_req = duration_cast<microseconds>(stop - start).count();
    cout << endl << "Time required for CPU : " << time_req << " microseconds "<< endl;
    cout << endl << " Sum from CPU : " << result << endl;
}

void compute_sum_cpu(int *cpu_input, int *cpu_output, unsigned int n){
    
    for(unsigned int i = 0;i < n;i ++){
        cpu_output[0] += cpu_input[i];
    }
    
}

int main(){
    
    int maxThreads = 1024;
    
    float *host_input, *host_output, *device_input, *device_output;
    float *cpu_input;
    float *cpu_output;

    int n = 2 << 29;
    size_t size = n * sizeof(float);

    //CPU sum
    cpu_input = (float *)malloc(sizeof(float));
    cpu_output = (float *)malloc(sizeof(float));
    cpu_output[0] = 0.0f;

    for(unsigned int i = 0;i < n;i ++){
        cpu_input[i] = 1.0f;
    }

    sum_CPU(cpu_input, cpu_output, n);

    host_input = (float *)malloc(size);
    for(int i = 0;i < n;i ++){
        host_input[i] = 1;
    }
    
    int blocks = n / maxThreads;
    host_output = (float *)malloc(blocks * sizeof(float));

    const dim3 block_size(maxThreads, 1, 1);
    const dim3 grid_size(blocks, 1, 1);
    
    hipMalloc(&device_input, size);
    hipMalloc(&device_output, blocks * sizeof(float));

    hipMemcpy(device_input, host_input, size, hipMemcpyHostToDevice);

    reduce<<<grid_size, block_size, maxThreads * sizeof(float)>>>(device_input, device_output);

    hipMemcpy(host_output, device_output, blocks * sizeof(float), hipMemcpyDeviceToHost);

    for(int i = 1;i < blocks; i++){
        host_output[0] += host_output[i];
    }

    cout << endl << " Sum from GPU : " << *host_output << endl;
}
	.text
	.file	"sumv2.hip"
                                        # Start of file scope inline assembly
	.globl	_ZSt21ios_base_library_initv

                                        # End of file scope inline assembly
	.globl	_Z21__device_stub__reducePfS_   # -- Begin function _Z21__device_stub__reducePfS_
	.type	_Z21__device_stub__reducePfS_,@function
_Z21__device_stub__reducePfS_:          # @_Z21__device_stub__reducePfS_
	.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	$_Z6reducePfS_, %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	_Z21__device_stub__reducePfS_, .Lfunc_end0-_Z21__device_stub__reducePfS_
	.cfi_endproc
                                        # -- End function
	.globl	_Z7sum_CPUPfS_j                 # -- Begin function _Z7sum_CPUPfS_j
	.type	_Z7sum_CPUPfS_j,@function
_Z7sum_CPUPfS_j:                        # @_Z7sum_CPUPfS_j
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	pushq	%rax
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movl	%edx, %ebp
	movq	%rdi, %r14
	callq	_ZNSt6chrono3_V212system_clock3nowEv
	movq	%rax, %rbx
	testl	%ebp, %ebp
	je	.LBB1_1
# %bb.3:                                # %.lr.ph.preheader
	movl	%ebp, %eax
	xorpd	%xmm1, %xmm1
	xorl	%ecx, %ecx
.LBB1_4:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	xorps	%xmm0, %xmm0
	cvtss2sd	(%r14,%rcx,4), %xmm0
	addsd	%xmm0, %xmm1
	incq	%rcx
	cmpq	%rcx, %rax
	jne	.LBB1_4
	jmp	.LBB1_2
.LBB1_1:
	xorpd	%xmm1, %xmm1
.LBB1_2:                                # %._crit_edge
	movsd	%xmm1, (%rsp)                   # 8-byte Spill
	callq	_ZNSt6chrono3_V212system_clock3nowEv
	subq	%rbx, %rax
	movabsq	$2361183241434822607, %rcx      # imm = 0x20C49BA5E353F7CF
	imulq	%rcx
	movq	%rdx, %rbx
	shrq	$63, %rbx
	sarq	$7, %rdx
	addq	%rdx, %rbx
	movl	$_ZSt4cout, %r15d
	movq	_ZSt4cout(%rip), %rax
	movq	-24(%rax), %rdi
	addq	%r15, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cout, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	movq	%rax, %r14
	movl	$.L.str, %esi
	movl	$24, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	%r14, %rdi
	movq	%rbx, %rsi
	callq	_ZNSo9_M_insertIlEERSoT_
	movq	%rax, %rbx
	movl	$.L.str.1, %esi
	movl	$14, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	(%rbx), %rax
	movq	-24(%rax), %rdi
	addq	%rbx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%rbx, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	movq	_ZSt4cout(%rip), %rax
	movq	-24(%rax), %rdi
	addq	%r15, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cout, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	movq	%rax, %rbx
	movl	$.L.str.2, %esi
	movl	$16, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movq	%rbx, %rdi
	movsd	(%rsp), %xmm0                   # 8-byte Reload
                                        # xmm0 = mem[0],zero
	callq	_ZNSo9_M_insertIdEERSoT_
	movq	%rax, %rbx
	movq	(%rax), %rax
	movq	-24(%rax), %rdi
	addq	%rbx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%rbx, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	addq	$8, %rsp
	.cfi_def_cfa_offset 40
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	jmp	_ZNSo5flushEv                   # TAILCALL
.Lfunc_end1:
	.size	_Z7sum_CPUPfS_j, .Lfunc_end1-_Z7sum_CPUPfS_j
	.cfi_endproc
                                        # -- End function
	.globl	_Z15compute_sum_cpuPiS_j        # -- Begin function _Z15compute_sum_cpuPiS_j
	.type	_Z15compute_sum_cpuPiS_j,@function
_Z15compute_sum_cpuPiS_j:               # @_Z15compute_sum_cpuPiS_j
	.cfi_startproc
# %bb.0:
	testl	%edx, %edx
	je	.LBB2_3
# %bb.1:                                # %.lr.ph
	movl	(%rsi), %eax
	movl	%edx, %ecx
	xorl	%edx, %edx
.LBB2_2:                                # =>This Inner Loop Header: Depth=1
	addl	(%rdi,%rdx,4), %eax
	movl	%eax, (%rsi)
	incq	%rdx
	cmpq	%rdx, %rcx
	jne	.LBB2_2
.LBB2_3:                                # %._crit_edge
	retq
.Lfunc_end2:
	.size	_Z15compute_sum_cpuPiS_j, .Lfunc_end2-_Z15compute_sum_cpuPiS_j
	.cfi_endproc
                                        # -- End function
	.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
	subq	$24, %rsp
	.cfi_def_cfa_offset 64
	.cfi_offset %rbx, -40
	.cfi_offset %r12, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movl	$4, %edi
	callq	malloc
	xorl	%ecx, %ecx
.LBB3_1:                                # =>This Inner Loop Header: Depth=1
	movl	$1065353216, (%rax,%rcx,4)      # imm = 0x3F800000
	incq	%rcx
	cmpq	$1073741824, %rcx               # imm = 0x40000000
	jne	.LBB3_1
# %bb.2:
	movabsq	$4294967296, %r14               # imm = 0x100000000
	movq	%rax, %rdi
	movl	$1073741824, %edx               # imm = 0x40000000
	callq	_Z7sum_CPUPfS_j
	movq	%r14, %rdi
	callq	malloc
	movq	%rax, %r15
	xorl	%eax, %eax
.LBB3_3:                                # =>This Inner Loop Header: Depth=1
	movl	$1065353216, (%r15,%rax,4)      # imm = 0x3F800000
	incq	%rax
	cmpq	$1073741824, %rax               # imm = 0x40000000
	jne	.LBB3_3
# %bb.4:
	movl	$4194304, %edi                  # imm = 0x400000
	callq	malloc
	movq	%rax, %rbx
	leaq	16(%rsp), %r12
	movq	%r12, %rdi
	movq	%r14, %rsi
	callq	hipMalloc
	leaq	8(%rsp), %rdi
	movl	$4194304, %esi                  # imm = 0x400000
	callq	hipMalloc
	movq	(%r12), %rdi
	movq	%r15, %rsi
	movq	%r14, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	leaq	1024(%r14), %rdx
	addq	$1048576, %r14                  # imm = 0x100000
	movl	$4096, %r8d                     # imm = 0x1000
	movq	%r14, %rdi
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB3_6
# %bb.5:
	movq	16(%rsp), %rdi
	movq	8(%rsp), %rsi
	callq	_Z21__device_stub__reducePfS_
.LBB3_6:
	movq	8(%rsp), %rsi
	movl	$4194304, %edx                  # imm = 0x400000
	movq	%rbx, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	movss	(%rbx), %xmm0                   # xmm0 = mem[0],zero,zero,zero
	movl	$1, %eax
.LBB3_7:                                # =>This Inner Loop Header: Depth=1
	addss	(%rbx,%rax,4), %xmm0
	incq	%rax
	cmpq	$1048576, %rax                  # imm = 0x100000
	jne	.LBB3_7
# %bb.8:
	movss	%xmm0, (%rbx)
	movl	$_ZSt4cout, %eax
	movq	_ZSt4cout(%rip), %rcx
	movq	-24(%rcx), %rdi
	addq	%rax, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cout, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	movq	%rax, %r14
	movl	$.L.str.3, %esi
	movl	$16, %edx
	movq	%rax, %rdi
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	xorps	%xmm0, %xmm0
	cvtss2sd	(%rbx), %xmm0
	movq	%r14, %rdi
	callq	_ZNSo9_M_insertIdEERSoT_
	movq	%rax, %rbx
	movq	(%rax), %rax
	movq	-24(%rax), %rdi
	addq	%rbx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movq	%rbx, %rdi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
	xorl	%eax, %eax
	addq	$24, %rsp
	.cfi_def_cfa_offset 40
	popq	%rbx
	.cfi_def_cfa_offset 32
	popq	%r12
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end3:
	.size	main, .Lfunc_end3-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	.LBB4_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB4_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z6reducePfS_, %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_end4:
	.size	__hip_module_ctor, .Lfunc_end4-__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	.LBB5_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
.LBB5_2:
	retq
.Lfunc_end5:
	.size	__hip_module_dtor, .Lfunc_end5-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z6reducePfS_,@object           # @_Z6reducePfS_
	.section	.rodata,"a",@progbits
	.globl	_Z6reducePfS_
	.p2align	3, 0x0
_Z6reducePfS_:
	.quad	_Z21__device_stub__reducePfS_
	.size	_Z6reducePfS_, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"Time required for CPU : "
	.size	.L.str, 25

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	" microseconds "
	.size	.L.str.1, 15

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	" Sum from CPU : "
	.size	.L.str.2, 17

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	" Sum from GPU : "
	.size	.L.str.3, 17

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z6reducePfS_"
	.size	.L__unnamed_1, 14

	.type	__hip_fatbin_wrapper,@object    # @__hip_fatbin_wrapper
	.section	.hipFatBinSegment,"a",@progbits
	.p2align	3, 0x0
__hip_fatbin_wrapper:
	.long	1212764230                      # 0x48495046
	.long	1                               # 0x1
	.quad	__hip_fatbin
	.quad	0
	.size	__hip_fatbin_wrapper, 24

	.type	__hip_gpubin_handle,@object     # @__hip_gpubin_handle
	.local	__hip_gpubin_handle
	.comm	__hip_gpubin_handle,8,8
	.section	.init_array,"aw",@init_array
	.p2align	3, 0x0
	.quad	__hip_module_ctor
	.type	__hip_cuid_,@object             # @__hip_cuid_
	.bss
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               # 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym _Z21__device_stub__reducePfS_
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z6reducePfS_
	.addrsig_sym _ZSt4cout
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z6reducePfS_           ; -- Begin function _Z6reducePfS_
	.globl	_Z6reducePfS_
	.p2align	8
	.type	_Z6reducePfS_,@function
_Z6reducePfS_:                          ; @_Z6reducePfS_
; %bb.0:
	s_clause 0x1
	s_load_b32 s5, s[0:1], 0x1c
	s_load_b128 s[0:3], s[0:1], 0x0
	s_mov_b32 s4, s15
	s_waitcnt lgkmcnt(0)
	s_and_b32 s5, s5, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[1:2], null, s4, s5, v[0:1]
	v_mov_b32_e32 v2, 0
	s_cmp_lt_u32 s5, 2
	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 v2, v[1:2], off
	v_lshl_add_u32 v1, v0, 2, 0
	s_waitcnt vmcnt(0)
	ds_store_b32 v1, v2
	s_waitcnt lgkmcnt(0)
	s_barrier
	buffer_gl0_inv
	s_cbranch_scc1 .LBB0_5
; %bb.1:                                ; %.lr.ph.preheader
	s_mov_b32 s1, 1
.LBB0_2:                                ; %.lr.ph
                                        ; =>This Inner Loop Header: Depth=1
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_lshl_b32 s0, s1, 1
	s_add_i32 s6, s0, -1
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_and_b32_e32 v2, s6, v0
	s_mov_b32 s6, exec_lo
	v_cmpx_eq_u32_e32 0, v2
	s_cbranch_execz .LBB0_4
; %bb.3:                                ;   in Loop: Header=BB0_2 Depth=1
	v_lshl_add_u32 v2, s1, 2, v1
	ds_load_b32 v2, v2
	ds_load_b32 v3, v1
	s_waitcnt lgkmcnt(0)
	v_add_f32_e32 v2, v2, v3
	ds_store_b32 v1, v2
.LBB0_4:                                ;   in Loop: Header=BB0_2 Depth=1
	s_or_b32 exec_lo, exec_lo, s6
	s_cmp_ge_u32 s0, s5
	s_mov_b32 s1, s0
	s_waitcnt lgkmcnt(0)
	s_barrier
	buffer_gl0_inv
	s_cbranch_scc0 .LBB0_2
.LBB0_5:                                ; %._crit_edge
	s_mov_b32 s0, exec_lo
	v_cmpx_eq_u32_e32 0, v0
	s_cbranch_execz .LBB0_7
; %bb.6:
	v_mov_b32_e32 v0, 0
	s_mov_b32 s5, 0
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(SALU_CYCLE_1)
	s_lshl_b64 s[0:1], s[4:5], 2
	s_add_u32 s0, s2, s0
	ds_load_b32 v1, v0
	s_addc_u32 s1, s3, s1
	s_waitcnt lgkmcnt(0)
	global_store_b32 v0, v1, s[0:1]
.LBB0_7:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z6reducePfS_
		.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 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	_Z6reducePfS_, .Lfunc_end0-_Z6reducePfS_
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 304
; 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
	.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:     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:           _Z6reducePfS_
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z6reducePfS_.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     4
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
