#include <iostream>
#include <cuda_runtime.h>

// Kernel to perform parallel reduction for sum and sum of squares
__global__ void reduceVariance(float *g_idata, float *g_odata, int n) {
    extern __shared__ float sdata[];

    // Load shared mem from global mem
    unsigned int tid = threadIdx.x;
    unsigned int i = blockIdx.x * blockDim.x + threadIdx.x;

    // Initialize shared memory
    sdata[tid] = (i < n) ? g_idata[i] : 0.0f;
    __syncthreads();

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

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

// Function to calculate variance using the reduction results
float calculateVariance(float *sum, float *sumOfSquares, int n) {
    float totalSum = 0.0f;
    float totalSumOfSquares = 0.0f;

    // Sum up the partial sums and sum of squares
    for (int i = 0; i < n; i++) {
        totalSum += sum[i];
        totalSumOfSquares += sumOfSquares[i];
    }

    float mean = totalSum / n;
    float variance = (totalSumOfSquares / n) - (mean * mean);
    return variance;
}

int main() {
    const int N = 8192;
    const int blockSize = 256;
    const int numBlocks = (N + blockSize - 1) / blockSize;

    // Allocate host memory
    float *h_data = new float[N];
    float *h_sum = new float[numBlocks];
    float *h_sumOfSquares = new float[numBlocks];

    // Initialize host data
    for (int i = 0; i < N; i++) {
        h_data[i] = static_cast<float>(i);
    }

    // Allocate device memory
    float *d_data, *d_sum, *d_sumOfSquares;
    cudaError_t err = cudaMalloc((void **)&d_data, N * sizeof(float));
    if (err != cudaSuccess) {
        std::cerr << "Error allocating d_data: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }
    err = cudaMalloc((void **)&d_sum, numBlocks * sizeof(float));
    if (err != cudaSuccess) {
        std::cerr << "Error allocating d_sum: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }
    err = cudaMalloc((void **)&d_sumOfSquares, numBlocks * sizeof(float));
    if (err != cudaSuccess) {
        std::cerr << "Error allocating d_sumOfSquares: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }

    // Copy data from host to device
    err = cudaMemcpy(d_data, h_data, N * sizeof(float), cudaMemcpyHostToDevice);
    if (err != cudaSuccess) {
        std::cerr << "Error copying data to device: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }

    // Launch kernel to compute sum
    reduceVariance<<<numBlocks, blockSize, blockSize * sizeof(float)>>>(d_data, d_sum, N);
    err = cudaGetLastError();
    if (err != cudaSuccess) {
        std::cerr << "Kernel launch failed for sum: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }

    // Launch kernel to compute sum of squares
    for (int i = 0; i < N; i++) {
        h_data[i] *= h_data[i];
    }
    err = cudaMemcpy(d_data, h_data, N * sizeof(float), cudaMemcpyHostToDevice);
    if (err != cudaSuccess) {
        std::cerr << "Error copying data to device for sum of squares: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }
    reduceVariance<<<numBlocks, blockSize, blockSize * sizeof(float)>>>(d_data, d_sumOfSquares, N);
    err = cudaGetLastError();
    if (err != cudaSuccess) {
        std::cerr << "Kernel launch failed for sum of squares: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }

    // Copy results back to host
    err = cudaMemcpy(h_sum, d_sum, numBlocks * sizeof(float), cudaMemcpyDeviceToHost);
    if (err != cudaSuccess) {
        std::cerr << "Error copying sum to host: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }
    err = cudaMemcpy(h_sumOfSquares, d_sumOfSquares, numBlocks * sizeof(float), cudaMemcpyDeviceToHost);
    if (err != cudaSuccess) {
        std::cerr << "Error copying sum of squares to host: " << cudaGetErrorString(err) << std::endl;
        return -1;
    }

    // Calculate variance
    float variance = calculateVariance(h_sum, h_sumOfSquares, numBlocks);
    std::cout << "Calculated Variance: " << variance << std::endl;

    // Free device memory
    cudaFree(d_data);
    cudaFree(d_sum);
    cudaFree(d_sumOfSquares);

    // Free host memory
    delete[] h_data;
    delete[] h_sum;
    delete[] h_sumOfSquares;

    return 0;
}
	.file	"tmpxft_000a8e14_00000000-6_cuda_code_017781.cudafe1.cpp"
	.text
#APP
	.globl _ZSt21ios_base_library_initv

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB3639:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE3639:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.align 2
	.type	_ZNSolsEPFRSoS_E.isra.0, @function
_ZNSolsEPFRSoS_E.isra.0:
.LFB4294:
	.cfi_startproc
	jmp	*%rsi
	.cfi_endproc
.LFE4294:
	.size	_ZNSolsEPFRSoS_E.isra.0, .-_ZNSolsEPFRSoS_E.isra.0
	.globl	_Z17calculateVariancePfS_i
	.type	_Z17calculateVariancePfS_i, @function
_Z17calculateVariancePfS_i:
.LFB3635:
	.cfi_startproc
	endbr64
	xorps	%xmm0, %xmm0
	xorl	%eax, %eax
	movaps	%xmm0, %xmm1
.L4:
	cmpl	%eax, %edx
	jle	.L7
	addss	(%rdi,%rax,4), %xmm1
	addss	(%rsi,%rax,4), %xmm0
	incq	%rax
	jmp	.L4
.L7:
	cvtsi2ssl	%edx, %xmm2
	divss	%xmm2, %xmm1
	divss	%xmm2, %xmm0
	mulss	%xmm1, %xmm1
	subss	%xmm1, %xmm0
	ret
	.cfi_endproc
.LFE3635:
	.size	_Z17calculateVariancePfS_i, .-_Z17calculateVariancePfS_i
	.globl	_Z37__device_stub__Z14reduceVariancePfS_iPfS_i
	.type	_Z37__device_stub__Z14reduceVariancePfS_iPfS_i, @function
_Z37__device_stub__Z14reduceVariancePfS_iPfS_i:
.LFB3661:
	.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
	movl	%edx, 12(%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	12(%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	.L8
	pushq	40(%rsp)
	.cfi_def_cfa_offset 152
	leaq	_Z14reduceVariancePfS_i(%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
.L8:
	movq	120(%rsp), %rax
	subq	%fs:40, %rax
	je	.L10
	call	__stack_chk_fail@PLT
.L10:
	addq	$136, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE3661:
	.size	_Z37__device_stub__Z14reduceVariancePfS_iPfS_i, .-_Z37__device_stub__Z14reduceVariancePfS_iPfS_i
	.globl	_Z14reduceVariancePfS_i
	.type	_Z14reduceVariancePfS_i, @function
_Z14reduceVariancePfS_i:
.LFB3662:
	.cfi_startproc
	endbr64
	jmp	_Z37__device_stub__Z14reduceVariancePfS_iPfS_i
	.cfi_endproc
.LFE3662:
	.size	_Z14reduceVariancePfS_i, .-_Z14reduceVariancePfS_i
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"Error allocating d_data: "
.LC2:
	.string	"Error allocating d_sum: "
.LC3:
	.string	"Error allocating d_sumOfSquares: "
.LC4:
	.string	"Error copying data to device: "
.LC5:
	.string	"Kernel launch failed for sum: "
.LC6:
	.string	"Error copying data to device for sum of squares: "
.LC7:
	.string	"Kernel launch failed for sum of squares: "
.LC8:
	.string	"Error copying sum to host: "
.LC9:
	.string	"Error copying sum of squares to host: "
.LC10:
	.string	"Calculated Variance: "
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB3636:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	movl	$32768, %edi
	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
	subq	$88, %rsp
	.cfi_def_cfa_offset 128
	movq	%fs:40, %rax
	movq	%rax, 72(%rsp)
	xorl	%eax, %eax
	call	_Znam@PLT
	movl	$128, %edi
	movq	%rax, %rbx
	call	_Znam@PLT
	movl	$128, %edi
	movq	%rax, %r12
	call	_Znam@PLT
	movq	%rax, %rbp
	xorl	%eax, %eax
.L14:
	cvtsi2ssl	%eax, %xmm0
	movss	%xmm0, (%rbx,%rax,4)
	incq	%rax
	cmpq	$8192, %rax
	jne	.L14
	movl	$32768, %esi
	leaq	24(%rsp), %rdi
	call	cudaMalloc@PLT
	leaq	.LC1(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	leaq	32(%rsp), %rdi
	movl	$128, %esi
	call	cudaMalloc@PLT
	movl	%eax, %r13d
	testl	%eax, %eax
	je	.L17
	leaq	.LC2(%rip), %rsi
.L35:
	leaq	_ZSt4cerr(%rip), %rdi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movl	%r13d, %edi
	movq	%rax, %rbx
	call	cudaGetErrorString@PLT
	movq	%rbx, %rdi
	movq	%rax, %rsi
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	orl	$-1, %eax
	jmp	.L13
.L17:
	movl	$128, %esi
	leaq	40(%rsp), %rdi
	call	cudaMalloc@PLT
	leaq	.LC3(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	movq	24(%rsp), %rdi
	movq	%rbx, %rsi
	movl	$1, %ecx
	movl	$32768, %edx
	call	cudaMemcpy@PLT
	leaq	.LC4(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	movl	$16777217, %edx
	movl	$134217729, %edi
	xorl	%r9d, %r9d
	movl	$1024, %r8d
	salq	$8, %rdx
	salq	$5, %rdi
	movl	$1, %ecx
	movl	$1, %esi
	movq	%rdx, 60(%rsp)
	movl	$1, 68(%rsp)
	movq	%rdi, 48(%rsp)
	movl	$1, 56(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L21
	movq	32(%rsp), %rsi
	movq	24(%rsp), %rdi
	movl	$8192, %edx
	call	_Z37__device_stub__Z14reduceVariancePfS_iPfS_i
.L21:
	call	cudaGetLastError@PLT
	xorl	%edx, %edx
	leaq	.LC5(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
.L22:
	movss	(%rbx,%rdx,4), %xmm0
	mulss	%xmm0, %xmm0
	movss	%xmm0, (%rbx,%rdx,4)
	incq	%rdx
	cmpq	$8192, %rdx
	jne	.L22
	movq	24(%rsp), %rdi
	movq	%rbx, %rsi
	movl	$1, %ecx
	movl	$32768, %edx
	call	cudaMemcpy@PLT
	leaq	.LC6(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	movl	$16777217, %edx
	movl	$134217729, %edi
	xorl	%r9d, %r9d
	movl	$1024, %r8d
	salq	$8, %rdx
	salq	$5, %rdi
	movl	$1, %ecx
	movl	$1, %esi
	movq	%rdx, 60(%rsp)
	movl	$1, 68(%rsp)
	movq	%rdi, 48(%rsp)
	movl	$1, 56(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L24
	movq	40(%rsp), %rsi
	movq	24(%rsp), %rdi
	movl	$8192, %edx
	call	_Z37__device_stub__Z14reduceVariancePfS_iPfS_i
.L24:
	call	cudaGetLastError@PLT
	leaq	.LC7(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	movq	32(%rsp), %rsi
	movl	$2, %ecx
	movl	$128, %edx
	movq	%r12, %rdi
	call	cudaMemcpy@PLT
	leaq	.LC8(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	movq	40(%rsp), %rsi
	movl	$2, %ecx
	movl	$128, %edx
	movq	%rbp, %rdi
	call	cudaMemcpy@PLT
	leaq	.LC9(%rip), %rsi
	movl	%eax, %r13d
	testl	%eax, %eax
	jne	.L35
	movl	$32, %edx
	movq	%rbp, %rsi
	movq	%r12, %rdi
	call	_Z17calculateVariancePfS_i
	leaq	.LC10(%rip), %rsi
	leaq	_ZSt4cout(%rip), %rdi
	movss	%xmm0, 12(%rsp)
	call	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc@PLT
	movss	12(%rsp), %xmm0
	movq	%rax, %rdi
	cvtss2sd	%xmm0, %xmm0
	call	_ZNSo9_M_insertIdEERSoT_@PLT
	movq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_@GOTPCREL(%rip), %rsi
	movq	%rax, %rdi
	call	_ZNSolsEPFRSoS_E.isra.0
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	32(%rsp), %rdi
	call	cudaFree@PLT
	movq	40(%rsp), %rdi
	call	cudaFree@PLT
	movq	%rbx, %rdi
	call	_ZdaPv@PLT
	movq	%r12, %rdi
	call	_ZdaPv@PLT
	movq	%rbp, %rdi
	call	_ZdaPv@PLT
	xorl	%eax, %eax
.L13:
	movq	72(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L28
	call	__stack_chk_fail@PLT
.L28:
	addq	$88, %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
.LFE3636:
	.size	main, .-main
	.section	.rodata.str1.1
.LC11:
	.string	"_Z14reduceVariancePfS_i"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB3664:
	.cfi_startproc
	endbr64
	pushq	%rax
	.cfi_def_cfa_offset 16
	leaq	_ZL15__fatDeviceText(%rip), %rdi
	call	__cudaRegisterFatBinary@PLT
	pushq	$0
	.cfi_def_cfa_offset 24
	xorl	%r9d, %r9d
	orl	$-1, %r8d
	pushq	$0
	.cfi_def_cfa_offset 32
	leaq	.LC11(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z14reduceVariancePfS_i(%rip), %rsi
	pushq	$0
	.cfi_def_cfa_offset 40
	movq	%rdx, %rcx
	pushq	$0
	.cfi_def_cfa_offset 48
	movq	%rax, _ZL20__cudaFatCubinHandle(%rip)
	call	__cudaRegisterFunction@PLT
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	addq	$32, %rsp
	.cfi_def_cfa_offset 16
	call	__cudaRegisterFatBinaryEnd@PLT
	leaq	_ZL26__cudaUnregisterBinaryUtilv(%rip), %rdi
	popq	%rdx
	.cfi_def_cfa_offset 8
	jmp	atexit@PLT
	.cfi_endproc
.LFE3664:
	.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 <iostream>
#include <hip/hip_runtime.h>

// Kernel to perform parallel reduction for sum and sum of squares
__global__ void reduceVariance(float *g_idata, float *g_odata, int n) {
    extern __shared__ float sdata[];

    // Load shared mem from global mem
    unsigned int tid = threadIdx.x;
    unsigned int i = blockIdx.x * blockDim.x + threadIdx.x;

    // Initialize shared memory
    sdata[tid] = (i < n) ? g_idata[i] : 0.0f;
    __syncthreads();

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

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

// Function to calculate variance using the reduction results
float calculateVariance(float *sum, float *sumOfSquares, int n) {
    float totalSum = 0.0f;
    float totalSumOfSquares = 0.0f;

    // Sum up the partial sums and sum of squares
    for (int i = 0; i < n; i++) {
        totalSum += sum[i];
        totalSumOfSquares += sumOfSquares[i];
    }

    float mean = totalSum / n;
    float variance = (totalSumOfSquares / n) - (mean * mean);
    return variance;
}

int main() {
    const int N = 8192;
    const int blockSize = 256;
    const int numBlocks = (N + blockSize - 1) / blockSize;

    // Allocate host memory
    float *h_data = new float[N];
    float *h_sum = new float[numBlocks];
    float *h_sumOfSquares = new float[numBlocks];

    // Initialize host data
    for (int i = 0; i < N; i++) {
        h_data[i] = static_cast<float>(i);
    }

    // Allocate device memory
    float *d_data, *d_sum, *d_sumOfSquares;
    hipError_t err = hipMalloc((void **)&d_data, N * sizeof(float));
    if (err != hipSuccess) {
        std::cerr << "Error allocating d_data: " << hipGetErrorString(err) << std::endl;
        return -1;
    }
    err = hipMalloc((void **)&d_sum, numBlocks * sizeof(float));
    if (err != hipSuccess) {
        std::cerr << "Error allocating d_sum: " << hipGetErrorString(err) << std::endl;
        return -1;
    }
    err = hipMalloc((void **)&d_sumOfSquares, numBlocks * sizeof(float));
    if (err != hipSuccess) {
        std::cerr << "Error allocating d_sumOfSquares: " << hipGetErrorString(err) << std::endl;
        return -1;
    }

    // Copy data from host to device
    err = hipMemcpy(d_data, h_data, N * sizeof(float), hipMemcpyHostToDevice);
    if (err != hipSuccess) {
        std::cerr << "Error copying data to device: " << hipGetErrorString(err) << std::endl;
        return -1;
    }

    // Launch kernel to compute sum
    reduceVariance<<<numBlocks, blockSize, blockSize * sizeof(float)>>>(d_data, d_sum, N);
    err = hipGetLastError();
    if (err != hipSuccess) {
        std::cerr << "Kernel launch failed for sum: " << hipGetErrorString(err) << std::endl;
        return -1;
    }

    // Launch kernel to compute sum of squares
    for (int i = 0; i < N; i++) {
        h_data[i] *= h_data[i];
    }
    err = hipMemcpy(d_data, h_data, N * sizeof(float), hipMemcpyHostToDevice);
    if (err != hipSuccess) {
        std::cerr << "Error copying data to device for sum of squares: " << hipGetErrorString(err) << std::endl;
        return -1;
    }
    reduceVariance<<<numBlocks, blockSize, blockSize * sizeof(float)>>>(d_data, d_sumOfSquares, N);
    err = hipGetLastError();
    if (err != hipSuccess) {
        std::cerr << "Kernel launch failed for sum of squares: " << hipGetErrorString(err) << std::endl;
        return -1;
    }

    // Copy results back to host
    err = hipMemcpy(h_sum, d_sum, numBlocks * sizeof(float), hipMemcpyDeviceToHost);
    if (err != hipSuccess) {
        std::cerr << "Error copying sum to host: " << hipGetErrorString(err) << std::endl;
        return -1;
    }
    err = hipMemcpy(h_sumOfSquares, d_sumOfSquares, numBlocks * sizeof(float), hipMemcpyDeviceToHost);
    if (err != hipSuccess) {
        std::cerr << "Error copying sum of squares to host: " << hipGetErrorString(err) << std::endl;
        return -1;
    }

    // Calculate variance
    float variance = calculateVariance(h_sum, h_sumOfSquares, numBlocks);
    std::cout << "Calculated Variance: " << variance << std::endl;

    // Free device memory
    hipFree(d_data);
    hipFree(d_sum);
    hipFree(d_sumOfSquares);

    // Free host memory
    delete[] h_data;
    delete[] h_sum;
    delete[] h_sumOfSquares;

    return 0;
}
	.text
	.file	"cuda_code_017781.hip"
                                        # Start of file scope inline assembly
	.globl	_ZSt21ios_base_library_initv

                                        # End of file scope inline assembly
	.globl	_Z29__device_stub__reduceVariancePfS_i # -- Begin function _Z29__device_stub__reduceVariancePfS_i
	.type	_Z29__device_stub__reduceVariancePfS_i,@function
_Z29__device_stub__reduceVariancePfS_i: # @_Z29__device_stub__reduceVariancePfS_i
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%r13
	.cfi_def_cfa_offset 32
	pushq	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$112, %rsp
	.cfi_def_cfa_offset 160
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	leaq	40(%rsp), %rax
	movq	%rdi, (%rax)
	leaq	32(%rsp), %rcx
	movq	%rsi, (%rcx)
	leaq	12(%rsp), %rsi
	movl	%edx, (%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	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	$_Z14reduceVariancePfS_i, %edi
	movq	%rbx, %r9
	pushq	(%r13)
	.cfi_adjust_cfa_offset 8
	pushq	(%r12)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$128, %rsp
	.cfi_adjust_cfa_offset -128
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end0:
	.size	_Z29__device_stub__reduceVariancePfS_i, .Lfunc_end0-_Z29__device_stub__reduceVariancePfS_i
	.cfi_endproc
                                        # -- End function
	.globl	_Z17calculateVariancePfS_i      # -- Begin function _Z17calculateVariancePfS_i
	.type	_Z17calculateVariancePfS_i,@function
_Z17calculateVariancePfS_i:             # @_Z17calculateVariancePfS_i
	.cfi_startproc
# %bb.0:
	testl	%edx, %edx
	jle	.LBB1_1
# %bb.3:                                # %.lr.ph.preheader
	movl	%edx, %eax
	xorps	%xmm1, %xmm1
	xorl	%ecx, %ecx
	xorps	%xmm0, %xmm0
.LBB1_4:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	addss	(%rdi,%rcx,4), %xmm1
	addss	(%rsi,%rcx,4), %xmm0
	incq	%rcx
	cmpq	%rcx, %rax
	jne	.LBB1_4
	jmp	.LBB1_2
.LBB1_1:
	xorps	%xmm0, %xmm0
	xorps	%xmm1, %xmm1
.LBB1_2:                                # %._crit_edge
	cvtsi2ss	%edx, %xmm2
	divss	%xmm2, %xmm1
	divss	%xmm2, %xmm0
	mulss	%xmm1, %xmm1
	subss	%xmm1, %xmm0
	retq
.Lfunc_end1:
	.size	_Z17calculateVariancePfS_i, .Lfunc_end1-_Z17calculateVariancePfS_i
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst4,"aM",@progbits,4
	.p2align	2, 0x0                          # -- Begin function main
.LCPI2_0:
	.long	0x3d000000                      # float 0.03125
	.text
	.globl	main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$40, %rsp
	.cfi_def_cfa_offset 96
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movl	$32768, %edi                    # imm = 0x8000
	callq	_Znam
	movq	%rax, %rbx
	movl	$128, %edi
	callq	_Znam
	movq	%rax, %r14
	movl	$128, %edi
	callq	_Znam
	movq	%rax, %r15
	xorl	%eax, %eax
.LBB2_1:                                # =>This Inner Loop Header: Depth=1
	xorps	%xmm0, %xmm0
	cvtsi2ss	%eax, %xmm0
	movss	%xmm0, (%rbx,%rax,4)
	incq	%rax
	cmpq	$8192, %rax                     # imm = 0x2000
	jne	.LBB2_1
# %bb.2:
	leaq	8(%rsp), %rdi
	movl	$32768, %esi                    # imm = 0x8000
	callq	hipMalloc
	testl	%eax, %eax
	je	.LBB2_4
# %bb.3:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str, %esi
	movl	$25, %edx
	jmp	.LBB2_10
.LBB2_4:
	leaq	24(%rsp), %rdi
	movl	$128, %esi
	callq	hipMalloc
	testl	%eax, %eax
	je	.LBB2_6
# %bb.5:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.1, %esi
	movl	$24, %edx
	jmp	.LBB2_10
.LBB2_6:
	leaq	16(%rsp), %rdi
	movl	$128, %esi
	callq	hipMalloc
	testl	%eax, %eax
	je	.LBB2_8
# %bb.7:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.2, %esi
	movl	$33, %edx
	jmp	.LBB2_10
.LBB2_8:
	movq	8(%rsp), %rdi
	movl	$32768, %edx                    # imm = 0x8000
	movq	%rbx, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	je	.LBB2_16
# %bb.9:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.3, %esi
	movl	$30, %edx
.LBB2_10:
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	%ebp, %edi
	callq	hipGetErrorString
	testq	%rax, %rax
	je	.LBB2_12
# %bb.11:
	movq	%rax, %rbx
	movq	%rax, %rdi
	callq	strlen
	movl	$_ZSt4cerr, %edi
	movq	%rbx, %rsi
	movq	%rax, %rdx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	jmp	.LBB2_13
.LBB2_12:
	movq	_ZSt4cerr(%rip), %rax
	movq	-24(%rax), %rax
	leaq	_ZSt4cerr(%rax), %rdi
	movl	32(%rdi), %esi
	orl	$1, %esi
	callq	_ZNSt9basic_iosIcSt11char_traitsIcEE5clearESt12_Ios_Iostate
.LBB2_13:                               # %_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc.exit
	movq	_ZSt4cerr(%rip), %rax
	movl	$_ZSt4cerr, %ecx
	movq	-24(%rax), %rdi
	addq	%rcx, %rdi
	movl	$10, %esi
	callq	_ZNKSt9basic_iosIcSt11char_traitsIcEE5widenEc
	movsbl	%al, %esi
	movl	$_ZSt4cerr, %edi
	callq	_ZNSo3putEc
	movq	%rax, %rdi
	callq	_ZNSo5flushEv
.LBB2_14:
	movl	$-1, %eax
.LBB2_15:
	addq	$40, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.LBB2_16:
	.cfi_def_cfa_offset 96
	movabsq	$4294967328, %r13               # imm = 0x100000020
	leaq	224(%r13), %r12
	movl	$1024, %r8d                     # imm = 0x400
	movq	%r13, %rdi
	movl	$1, %esi
	movq	%r12, %rdx
	movl	$1, %ecx
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB2_18
# %bb.17:
	movq	8(%rsp), %rdi
	movq	24(%rsp), %rsi
	movl	$8192, %edx                     # imm = 0x2000
	callq	_Z29__device_stub__reduceVariancePfS_i
.LBB2_18:
	callq	hipGetLastError
	testl	%eax, %eax
	je	.LBB2_20
# %bb.19:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.4, %esi
	movl	$30, %edx
	jmp	.LBB2_32
.LBB2_20:                               # %.preheader.preheader
	xorl	%eax, %eax
.LBB2_21:                               # %.preheader
                                        # =>This Inner Loop Header: Depth=1
	movss	(%rbx,%rax,4), %xmm0            # xmm0 = mem[0],zero,zero,zero
	mulss	%xmm0, %xmm0
	movss	%xmm0, (%rbx,%rax,4)
	incq	%rax
	cmpq	$8192, %rax                     # imm = 0x2000
	jne	.LBB2_21
# %bb.22:
	movq	8(%rsp), %rdi
	movl	$32768, %edx                    # imm = 0x8000
	movq	%rbx, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	je	.LBB2_24
# %bb.23:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.5, %esi
	movl	$49, %edx
	jmp	.LBB2_32
.LBB2_24:
	movl	$1024, %r8d                     # imm = 0x400
	movq	%r13, %rdi
	movl	$1, %esi
	movq	%r12, %rdx
	movl	$1, %ecx
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB2_26
# %bb.25:
	movq	8(%rsp), %rdi
	movq	16(%rsp), %rsi
	movl	$8192, %edx                     # imm = 0x2000
	callq	_Z29__device_stub__reduceVariancePfS_i
.LBB2_26:
	callq	hipGetLastError
	testl	%eax, %eax
	je	.LBB2_28
# %bb.27:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.6, %esi
	movl	$41, %edx
	jmp	.LBB2_32
.LBB2_28:
	movq	24(%rsp), %rsi
	movl	$128, %edx
	movq	%r14, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	je	.LBB2_30
# %bb.29:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.7, %esi
	movl	$27, %edx
	jmp	.LBB2_32
.LBB2_30:
	movq	16(%rsp), %rsi
	movl	$128, %edx
	movq	%r15, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	testl	%eax, %eax
	je	.LBB2_33
# %bb.31:
	movl	%eax, %ebp
	movl	$_ZSt4cerr, %edi
	movl	$.L.str.8, %esi
	movl	$38, %edx
.LBB2_32:
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	movl	%ebp, %edi
	callq	hipGetErrorString
	movl	$_ZSt4cerr, %edi
	movq	%rax, %rsi
	callq	_ZStlsISt11char_traitsIcEERSt13basic_ostreamIcT_ES5_PKc
	movq	%rax, %rdi
	callq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
	jmp	.LBB2_14
.LBB2_33:                               # %.lr.ph.i.preheader
	xorps	%xmm0, %xmm0
	xorl	%eax, %eax
	xorps	%xmm2, %xmm2
.LBB2_34:                               # %.lr.ph.i
                                        # =>This Inner Loop Header: Depth=1
	addss	(%r14,%rax,4), %xmm0
	addss	(%r15,%rax,4), %xmm2
	incq	%rax
	cmpq	$32, %rax
	jne	.LBB2_34
# %bb.35:                               # %_Z17calculateVariancePfS_i.exit
	movss	.LCPI2_0(%rip), %xmm1           # xmm1 = mem[0],zero,zero,zero
	mulss	%xmm1, %xmm0
	mulss	%xmm1, %xmm2
	mulss	%xmm0, %xmm0
	subss	%xmm0, %xmm2
	movss	%xmm2, 36(%rsp)                 # 4-byte Spill
	movl	$_ZSt4cout, %edi
	movl	$.L.str.9, %esi
	movl	$21, %edx
	callq	_ZSt16__ostream_insertIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_PKS3_l
	xorps	%xmm0, %xmm0
	cvtss2sd	36(%rsp), %xmm0                 # 4-byte Folded Reload
	movl	$_ZSt4cout, %edi
	callq	_ZNSo9_M_insertIdEERSoT_
	movq	%rax, %rdi
	callq	_ZSt4endlIcSt11char_traitsIcEERSt13basic_ostreamIT_T0_ES6_
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	24(%rsp), %rdi
	callq	hipFree
	movq	16(%rsp), %rdi
	callq	hipFree
	movq	%rbx, %rdi
	callq	_ZdaPv
	movq	%r14, %rdi
	callq	_ZdaPv
	movq	%r15, %rdi
	callq	_ZdaPv
	xorl	%eax, %eax
	jmp	.LBB2_15
.Lfunc_end2:
	.size	main, .Lfunc_end2-main
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_ctor
	.type	__hip_module_ctor,@function
__hip_module_ctor:                      # @__hip_module_ctor
	.cfi_startproc
# %bb.0:
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	jne	.LBB3_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB3_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z14reduceVariancePfS_i, %esi
	movl	$.L__unnamed_1, %edx
	movl	$.L__unnamed_1, %ecx
	movl	$-1, %r8d
	xorl	%r9d, %r9d
	callq	__hipRegisterFunction
	movl	$__hip_module_dtor, %edi
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	jmp	atexit                          # TAILCALL
.Lfunc_end3:
	.size	__hip_module_ctor, .Lfunc_end3-__hip_module_ctor
	.cfi_endproc
                                        # -- End function
	.p2align	4, 0x90                         # -- Begin function __hip_module_dtor
	.type	__hip_module_dtor,@function
__hip_module_dtor:                      # @__hip_module_dtor
	.cfi_startproc
# %bb.0:
	movq	__hip_gpubin_handle(%rip), %rdi
	testq	%rdi, %rdi
	je	.LBB4_2
# %bb.1:
	pushq	%rax
	.cfi_def_cfa_offset 16
	callq	__hipUnregisterFatBinary
	movq	$0, __hip_gpubin_handle(%rip)
	addq	$8, %rsp
	.cfi_def_cfa_offset 8
.LBB4_2:
	retq
.Lfunc_end4:
	.size	__hip_module_dtor, .Lfunc_end4-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z14reduceVariancePfS_i,@object # @_Z14reduceVariancePfS_i
	.section	.rodata,"a",@progbits
	.globl	_Z14reduceVariancePfS_i
	.p2align	3, 0x0
_Z14reduceVariancePfS_i:
	.quad	_Z29__device_stub__reduceVariancePfS_i
	.size	_Z14reduceVariancePfS_i, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"Error allocating d_data: "
	.size	.L.str, 26

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"Error allocating d_sum: "
	.size	.L.str.1, 25

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"Error allocating d_sumOfSquares: "
	.size	.L.str.2, 34

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"Error copying data to device: "
	.size	.L.str.3, 31

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"Kernel launch failed for sum: "
	.size	.L.str.4, 31

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"Error copying data to device for sum of squares: "
	.size	.L.str.5, 50

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"Kernel launch failed for sum of squares: "
	.size	.L.str.6, 42

	.type	.L.str.7,@object                # @.str.7
.L.str.7:
	.asciz	"Error copying sum to host: "
	.size	.L.str.7, 28

	.type	.L.str.8,@object                # @.str.8
.L.str.8:
	.asciz	"Error copying sum of squares to host: "
	.size	.L.str.8, 39

	.type	.L.str.9,@object                # @.str.9
.L.str.9:
	.asciz	"Calculated Variance: "
	.size	.L.str.9, 22

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z14reduceVariancePfS_i"
	.size	.L__unnamed_1, 24

	.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 _Z29__device_stub__reduceVariancePfS_i
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z14reduceVariancePfS_i
	.addrsig_sym _ZSt4cerr
	.addrsig_sym _ZSt4cout
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z14reduceVariancePfS_i ; -- Begin function _Z14reduceVariancePfS_i
	.globl	_Z14reduceVariancePfS_i
	.p2align	8
	.type	_Z14reduceVariancePfS_i,@function
_Z14reduceVariancePfS_i:                ; @_Z14reduceVariancePfS_i
; %bb.0:
	s_clause 0x2
	s_load_b32 s5, s[0:1], 0x24
	s_load_b32 s6, s[0:1], 0x10
	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_1) | instid1(VALU_DEP_2)
	v_mad_u64_u32 v[1:2], null, s4, s5, v[0:1]
	v_mov_b32_e32 v2, 0
	v_cmp_gt_u32_e32 vcc_lo, s6, v1
	s_and_saveexec_b32 s6, vcc_lo
	s_cbranch_execz .LBB0_2
; %bb.1:
	v_mov_b32_e32 v2, 0
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[1:2], 2, v[1:2]
	v_add_co_u32 v1, vcc_lo, s0, v1
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v2, vcc_lo, s1, v2, vcc_lo
	global_load_b32 v2, v[1:2], off
.LBB0_2:
	s_or_b32 exec_lo, exec_lo, s6
	v_lshl_add_u32 v1, v0, 2, 0
	s_cmp_lt_u32 s5, 2
	s_waitcnt vmcnt(0)
	ds_store_b32 v1, v2
	s_waitcnt lgkmcnt(0)
	s_barrier
.LBB0_3:                                ; =>This Inner Loop Header: Depth=1
	buffer_gl0_inv
	s_cbranch_scc1 .LBB0_7
; %bb.4:                                ; %.lr.ph
                                        ;   in Loop: Header=BB0_3 Depth=1
	s_lshr_b32 s0, s5, 1
	s_mov_b32 s1, exec_lo
	v_cmpx_gt_u32_e64 s0, v0
	s_cbranch_execz .LBB0_6
; %bb.5:                                ;   in Loop: Header=BB0_3 Depth=1
	v_lshl_add_u32 v2, s0, 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_6:                                ;   in Loop: Header=BB0_3 Depth=1
	s_or_b32 exec_lo, exec_lo, s1
	s_waitcnt lgkmcnt(0)
	s_barrier
	s_cmp_lt_u32 s5, 4
	s_mov_b32 s5, s0
	s_branch .LBB0_3
.LBB0_7:                                ; %._crit_edge
	s_mov_b32 s0, exec_lo
	v_cmpx_eq_u32_e32 0, v0
	s_cbranch_execz .LBB0_9
; %bb.8:
	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_9:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z14reduceVariancePfS_i
		.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	_Z14reduceVariancePfS_i, .Lfunc_end0-_Z14reduceVariancePfS_i
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 312
; 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:     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
      - .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:           _Z14reduceVariancePfS_i
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z14reduceVariancePfS_i.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     4
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
