#include <stdio.h>
#include <sys/time.h>
#include <stdlib.h>

#define MARGIN 1e-6
#define ARRAY_SIZE 100000

double cpuSecond() {
   struct timeval tp;
   gettimeofday(&tp, NULL);
   return ((double)tp.tv_sec + (double)tp.tv_usec * 1.e-6);
}

__global__ void SAXPY (double *x,double *y, double a) {
    // Y = AX + Y
    int index = blockIdx.x * blockDim.x + threadIdx.x;
    int stride = blockDim.x * gridDim.x;
    for (int i = index; i < ARRAY_SIZE; i += stride)
        y[i] += a * x[i];
}

int main(int argc, char *argv[]) {   
    double *x, *y, a = 2.2, *r;
    unsigned int gridsize = (ARRAY_SIZE + 256 - 1) / 256;
    unsigned int nBytes = sizeof(double) * ARRAY_SIZE;
    x = (double*)malloc(nBytes);
    y = (double*)malloc(nBytes);
    r = (double*)malloc(nBytes);
    for (int i = 0; i < ARRAY_SIZE; i++) {
        x[i] = i;
        y[i] = 2 * i;
    }

    double *d_x, *d_y;
    cudaMalloc(&d_x, nBytes);
    cudaMalloc(&d_y, nBytes);
    cudaMemcpy(d_x, x, nBytes, cudaMemcpyHostToDevice);
    cudaMemcpy(d_y, y, nBytes, cudaMemcpyHostToDevice);

    printf("Computing SAXPY on the CPU...\n");
    double start = cpuSecond();
    for (int i = 0; i < ARRAY_SIZE; i++) {
        y[i] += a * x[i];
        r[i] = y[i];
    }
    printf("Done! CPU costs %lf\n", cpuSecond() - start);

    printf("Computing SAXPY on the GPU...\n");
    start = cpuSecond();
    SAXPY<<<gridsize,256>>>(d_x, d_y, a);
    cudaDeviceSynchronize();
    printf("Done! GPU costs %lf\n", cpuSecond() - start);

    printf("Comparing the output for each implementation...\n");
    cudaMemcpy(y, d_y, nBytes, cudaMemcpyDeviceToHost);
    int c = 0;
    for(int i = 0; i < ARRAY_SIZE; i++) {
        double diff = abs(y[i] - r[i]);
        if (diff > MARGIN) {
            c += 1;
            printf("The %d-th element doesn't match. The difference is %lf\n", i, diff);
        }
    }
    printf("Totally %d mismatch(es)\n", c);
    if (c == 0)
        printf("Correct!\n");

    cudaFree(d_x);
    cudaFree(d_y);
    free(x);
    free(y);
    free(r);
    return 0;
}
	.file	"tmpxft_0035c00e_00000000-6_exercise_2.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2031:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2031:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z9cpuSecondv
	.type	_Z9cpuSecondv, @function
_Z9cpuSecondv:
.LFB2027:
	.cfi_startproc
	endbr64
	subq	$40, %rsp
	.cfi_def_cfa_offset 48
	xorl	%esi, %esi
	movq	%fs:40, %rax
	movq	%rax, 24(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rdi
	call	gettimeofday@PLT
	cvtsi2sdq	16(%rsp), %xmm0
	mulsd	.LC0(%rip), %xmm0
	cvtsi2sdq	8(%rsp), %xmm1
	addsd	%xmm1, %xmm0
	movq	24(%rsp), %rax
	subq	%fs:40, %rax
	je	.L3
	call	__stack_chk_fail@PLT
.L3:
	addq	$40, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2027:
	.size	_Z9cpuSecondv, .-_Z9cpuSecondv
	.globl	_Z27__device_stub__Z5SAXPYPdS_dPdS_d
	.type	_Z27__device_stub__Z5SAXPYPdS_dPdS_d, @function
_Z27__device_stub__Z5SAXPYPdS_dPdS_d:
.LFB2053:
	.cfi_startproc
	endbr64
	subq	$136, %rsp
	.cfi_def_cfa_offset 144
	movq	%rdi, 24(%rsp)
	leaq	40(%rsp), %rcx
	leaq	32(%rsp), %rdx
	movq	%rsi, 16(%rsp)
	leaq	48(%rsp), %rdi
	leaq	60(%rsp), %rsi
	movsd	%xmm0, 8(%rsp)
	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	.L6
	pushq	40(%rsp)
	.cfi_def_cfa_offset 152
	leaq	_Z5SAXPYPdS_d(%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
.L6:
	movq	120(%rsp), %rax
	subq	%fs:40, %rax
	je	.L8
	call	__stack_chk_fail@PLT
.L8:
	addq	$136, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2053:
	.size	_Z27__device_stub__Z5SAXPYPdS_dPdS_d, .-_Z27__device_stub__Z5SAXPYPdS_dPdS_d
	.globl	_Z5SAXPYPdS_d
	.type	_Z5SAXPYPdS_d, @function
_Z5SAXPYPdS_d:
.LFB2054:
	.cfi_startproc
	endbr64
	jmp	_Z27__device_stub__Z5SAXPYPdS_dPdS_d
	.cfi_endproc
.LFE2054:
	.size	_Z5SAXPYPdS_d, .-_Z5SAXPYPdS_d
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC1:
	.string	"Computing SAXPY on the CPU...\n"
.LC3:
	.string	"Done! CPU costs %lf\n"
.LC4:
	.string	"Computing SAXPY on the GPU...\n"
.LC5:
	.string	"Done! GPU costs %lf\n"
.LC6:
	.string	"Comparing the output for each implementation...\n"
.LC8:
	.string	"The %d-th element doesn't match. The difference is %lf\n"
.LC9:
	.string	"Totally %d mismatch(es)\n"
.LC10:
	.string	"Correct!\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2028:
	.cfi_startproc
	endbr64
	pushq	%r14
	.cfi_def_cfa_offset 16
	.cfi_offset 14, -16
	movl	$800000, %edi
	pushq	%r13
	.cfi_def_cfa_offset 24
	.cfi_offset 13, -24
	pushq	%r12
	.cfi_def_cfa_offset 32
	.cfi_offset 12, -32
	pushq	%rbp
	.cfi_def_cfa_offset 40
	.cfi_offset 6, -40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	.cfi_offset 3, -48
	subq	$64, %rsp
	.cfi_def_cfa_offset 112
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	xorl	%eax, %eax
	call	malloc@PLT
	movl	$800000, %edi
	movq	%rax, %rbp
	call	malloc@PLT
	movl	$800000, %edi
	movq	%rax, %rbx
	call	malloc@PLT
	movq	%rax, %r13
	xorl	%eax, %eax
.L12:
	cvtsi2sdl	%eax, %xmm0
	leal	(%rax,%rax), %edx
	movsd	%xmm0, 0(%rbp,%rax,8)
	cvtsi2sdl	%edx, %xmm0
	movsd	%xmm0, (%rbx,%rax,8)
	incq	%rax
	cmpq	$100000, %rax
	jne	.L12
	leaq	16(%rsp), %rdi
	movl	$800000, %esi
	call	cudaMalloc@PLT
	leaq	24(%rsp), %rdi
	movl	$800000, %esi
	call	cudaMalloc@PLT
	movq	16(%rsp), %rdi
	movl	$1, %ecx
	movq	%rbp, %rsi
	movl	$800000, %edx
	call	cudaMemcpy@PLT
	movq	24(%rsp), %rdi
	movl	$1, %ecx
	movq	%rbx, %rsi
	movl	$800000, %edx
	call	cudaMemcpy@PLT
	leaq	.LC1(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	call	_Z9cpuSecondv
	xorl	%eax, %eax
	movsd	%xmm0, 8(%rsp)
.L13:
	movsd	.LC2(%rip), %xmm0
	mulsd	0(%rbp,%rax), %xmm0
	addsd	(%rbx,%rax), %xmm0
	movsd	%xmm0, (%rbx,%rax)
	movsd	%xmm0, 0(%r13,%rax)
	addq	$8, %rax
	cmpq	$800000, %rax
	jne	.L13
	call	_Z9cpuSecondv
	subsd	8(%rsp), %xmm0
	leaq	.LC3(%rip), %rsi
	movb	$1, %al
	movl	$2, %edi
	call	__printf_chk@PLT
	leaq	.LC4(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	call	_Z9cpuSecondv
	movl	$16777217, %edx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	salq	$8, %rdx
	movl	$1, %ecx
	movl	$1, %esi
	movabsq	$4294967687, %rdi
	movsd	%xmm0, 8(%rsp)
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L14
	movsd	.LC2(%rip), %xmm0
	movq	24(%rsp), %rsi
	movq	16(%rsp), %rdi
	call	_Z27__device_stub__Z5SAXPYPdS_dPdS_d
.L14:
	call	cudaDeviceSynchronize@PLT
	xorl	%r12d, %r12d
	xorl	%r14d, %r14d
	call	_Z9cpuSecondv
	subsd	8(%rsp), %xmm0
	leaq	.LC5(%rip), %rsi
	movb	$1, %al
	movl	$2, %edi
	call	__printf_chk@PLT
	leaq	.LC6(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
	movq	24(%rsp), %rsi
	movl	$2, %ecx
	movq	%rbx, %rdi
	movl	$800000, %edx
	call	cudaMemcpy@PLT
.L17:
	movsd	(%rbx,%r12,8), %xmm0
	subsd	0(%r13,%r12,8), %xmm0
	andps	.LC7(%rip), %xmm0
	comisd	.LC0(%rip), %xmm0
	jbe	.L15
	movl	%r12d, %edx
	leaq	.LC8(%rip), %rsi
	movb	$1, %al
	incl	%r14d
	movl	$2, %edi
	call	__printf_chk@PLT
.L15:
	incq	%r12
	cmpq	$100000, %r12
	jne	.L17
	xorl	%eax, %eax
	movl	%r14d, %edx
	movl	$2, %edi
	leaq	.LC9(%rip), %rsi
	call	__printf_chk@PLT
	testl	%r14d, %r14d
	jne	.L18
	leaq	.LC10(%rip), %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L18:
	movq	16(%rsp), %rdi
	call	cudaFree@PLT
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	%rbp, %rdi
	call	free@PLT
	movq	%rbx, %rdi
	call	free@PLT
	movq	%r13, %rdi
	call	free@PLT
	movq	56(%rsp), %rax
	subq	%fs:40, %rax
	je	.L19
	call	__stack_chk_fail@PLT
.L19:
	addq	$64, %rsp
	.cfi_def_cfa_offset 48
	xorl	%eax, %eax
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%rbp
	.cfi_def_cfa_offset 32
	popq	%r12
	.cfi_def_cfa_offset 24
	popq	%r13
	.cfi_def_cfa_offset 16
	popq	%r14
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2028:
	.size	main, .-main
	.section	.rodata.str1.1
.LC11:
	.string	"_Z5SAXPYPdS_d"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2056:
	.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	_Z5SAXPYPdS_d(%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
.LFE2056:
	.size	_ZL24__sti____cudaRegisterAllv, .-_ZL24__sti____cudaRegisterAllv
	.section	.init_array,"aw"
	.align 8
	.quad	_ZL24__sti____cudaRegisterAllv
	.section	.nvFatBinSegment,"aw"
	.align 8
	.type	_ZL15__fatDeviceText, @object
	.size	_ZL15__fatDeviceText, 24
_ZL15__fatDeviceText:
	.long	1180844977
	.long	1
	.quad	fatbinData
	.quad	0
	.local	_ZL20__cudaFatCubinHandle
	.comm	_ZL20__cudaFatCubinHandle,8,8
	.section	.rodata.cst8,"aM",@progbits,8
	.align 8
.LC0:
	.long	-1598689907
	.long	1051772663
	.align 8
.LC2:
	.long	-1717986918
	.long	1073846681
	.section	.rodata.cst16,"aM",@progbits,16
	.align 16
.LC7:
	.long	-1
	.long	2147483647
	.long	0
	.long	0
	.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 <stdio.h>
#include <sys/time.h>
#include <stdlib.h>

#define MARGIN 1e-6
#define ARRAY_SIZE 100000

double cpuSecond() {
   struct timeval tp;
   gettimeofday(&tp, NULL);
   return ((double)tp.tv_sec + (double)tp.tv_usec * 1.e-6);
}

__global__ void SAXPY (double *x,double *y, double a) {
    // Y = AX + Y
    int index = blockIdx.x * blockDim.x + threadIdx.x;
    int stride = blockDim.x * gridDim.x;
    for (int i = index; i < ARRAY_SIZE; i += stride)
        y[i] += a * x[i];
}

int main(int argc, char *argv[]) {   
    double *x, *y, a = 2.2, *r;
    unsigned int gridsize = (ARRAY_SIZE + 256 - 1) / 256;
    unsigned int nBytes = sizeof(double) * ARRAY_SIZE;
    x = (double*)malloc(nBytes);
    y = (double*)malloc(nBytes);
    r = (double*)malloc(nBytes);
    for (int i = 0; i < ARRAY_SIZE; i++) {
        x[i] = i;
        y[i] = 2 * i;
    }

    double *d_x, *d_y;
    hipMalloc(&d_x, nBytes);
    hipMalloc(&d_y, nBytes);
    hipMemcpy(d_x, x, nBytes, hipMemcpyHostToDevice);
    hipMemcpy(d_y, y, nBytes, hipMemcpyHostToDevice);

    printf("Computing SAXPY on the CPU...\n");
    double start = cpuSecond();
    for (int i = 0; i < ARRAY_SIZE; i++) {
        y[i] += a * x[i];
        r[i] = y[i];
    }
    printf("Done! CPU costs %lf\n", cpuSecond() - start);

    printf("Computing SAXPY on the GPU...\n");
    start = cpuSecond();
    SAXPY<<<gridsize,256>>>(d_x, d_y, a);
    hipDeviceSynchronize();
    printf("Done! GPU costs %lf\n", cpuSecond() - start);

    printf("Comparing the output for each implementation...\n");
    hipMemcpy(y, d_y, nBytes, hipMemcpyDeviceToHost);
    int c = 0;
    for(int i = 0; i < ARRAY_SIZE; i++) {
        double diff = abs(y[i] - r[i]);
        if (diff > MARGIN) {
            c += 1;
            printf("The %d-th element doesn't match. The difference is %lf\n", i, diff);
        }
    }
    printf("Totally %d mismatch(es)\n", c);
    if (c == 0)
        printf("Correct!\n");

    hipFree(d_x);
    hipFree(d_y);
    free(x);
    free(y);
    free(r);
    return 0;
}
	.text
	.file	"exercise_2.hip"
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function _Z9cpuSecondv
.LCPI0_0:
	.quad	0x3eb0c6f7a0b5ed8d              # double 9.9999999999999995E-7
	.text
	.globl	_Z9cpuSecondv
	.type	_Z9cpuSecondv,@function
_Z9cpuSecondv:                          # @_Z9cpuSecondv
	.cfi_startproc
# %bb.0:
	pushq	%rbx
	.cfi_def_cfa_offset 16
	subq	$16, %rsp
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -16
	movq	%rsp, %rbx
	movq	%rbx, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	cvtsi2sdq	(%rbx), %xmm1
	cvtsi2sdq	8(%rbx), %xmm0
	mulsd	.LCPI0_0(%rip), %xmm0
	addsd	%xmm1, %xmm0
	addq	$16, %rsp
	.cfi_def_cfa_offset 16
	popq	%rbx
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end0:
	.size	_Z9cpuSecondv, .Lfunc_end0-_Z9cpuSecondv
	.cfi_endproc
                                        # -- End function
	.globl	_Z20__device_stub__SAXPYPdS_d   # -- Begin function _Z20__device_stub__SAXPYPdS_d
	.type	_Z20__device_stub__SAXPYPdS_d,@function
_Z20__device_stub__SAXPYPdS_d:          # @_Z20__device_stub__SAXPYPdS_d
	.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), %rdx
	movsd	%xmm0, (%rdx)
	leaq	80(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	movq	%rdx, 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	$_Z5SAXPYPdS_d, %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_end1:
	.size	_Z20__device_stub__SAXPYPdS_d, .Lfunc_end1-_Z20__device_stub__SAXPYPdS_d
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function main
.LCPI2_0:
	.quad	0x3eb0c6f7a0b5ed8d              # double 9.9999999999999995E-7
.LCPI2_1:
	.quad	0x400199999999999a              # double 2.2000000000000002
	.section	.rodata.cst16,"aM",@progbits,16
	.p2align	4, 0x0
.LCPI2_2:
	.quad	0x7fffffffffffffff              # double NaN
	.quad	0x7fffffffffffffff              # double NaN
	.text
	.globl	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	%r13
	.cfi_def_cfa_offset 32
	pushq	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$48, %rsp
	.cfi_def_cfa_offset 96
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movl	$800000, %edi                   # imm = 0xC3500
	callq	malloc
	movq	%rax, %rbx
	movl	$800000, %edi                   # imm = 0xC3500
	callq	malloc
	movq	%rax, %r14
	movl	$800000, %edi                   # imm = 0xC3500
	callq	malloc
	movq	%rax, %r15
	xorl	%eax, %eax
	xorl	%ecx, %ecx
.LBB2_1:                                # =>This Inner Loop Header: Depth=1
	xorps	%xmm0, %xmm0
	cvtsi2sd	%ecx, %xmm0
	movsd	%xmm0, (%rbx,%rcx,8)
	xorps	%xmm0, %xmm0
	cvtsi2sd	%eax, %xmm0
	movsd	%xmm0, (%r14,%rcx,8)
	incq	%rcx
	addl	$2, %eax
	cmpq	$100000, %rcx                   # imm = 0x186A0
	jne	.LBB2_1
# %bb.2:
	leaq	24(%rsp), %r12
	movl	$800000, %esi                   # imm = 0xC3500
	movq	%r12, %rdi
	callq	hipMalloc
	leaq	16(%rsp), %r13
	movl	$800000, %esi                   # imm = 0xC3500
	movq	%r13, %rdi
	callq	hipMalloc
	movq	(%r12), %rdi
	movl	$800000, %edx                   # imm = 0xC3500
	movq	%rbx, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	movq	(%r13), %rdi
	movl	$800000, %edx                   # imm = 0xC3500
	movq	%r14, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	movl	$.Lstr, %edi
	callq	puts@PLT
	xorl	%r13d, %r13d
	leaq	32(%rsp), %r12
	movq	%r12, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	cvtsi2sdq	8(%r12), %xmm2
	movq	(%r12), %rax
	mulsd	.LCPI2_0(%rip), %xmm2
	movsd	.LCPI2_1(%rip), %xmm0           # xmm0 = mem[0],zero
.LBB2_3:                                # =>This Inner Loop Header: Depth=1
	movsd	(%rbx,%r13,8), %xmm1            # xmm1 = mem[0],zero
	mulsd	%xmm0, %xmm1
	addsd	(%r14,%r13,8), %xmm1
	movsd	%xmm1, (%r14,%r13,8)
	movsd	%xmm1, (%r15,%r13,8)
	incq	%r13
	cmpq	$100000, %r13                   # imm = 0x186A0
	jne	.LBB2_3
# %bb.4:
	xorps	%xmm0, %xmm0
	cvtsi2sd	%rax, %xmm0
	addsd	%xmm0, %xmm2
	movsd	%xmm2, 8(%rsp)                  # 8-byte Spill
	xorl	%r12d, %r12d
	leaq	32(%rsp), %r13
	movq	%r13, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	xorps	%xmm1, %xmm1
	cvtsi2sdq	(%r13), %xmm1
	xorps	%xmm0, %xmm0
	cvtsi2sdq	8(%r13), %xmm0
	mulsd	.LCPI2_0(%rip), %xmm0
	addsd	%xmm1, %xmm0
	subsd	8(%rsp), %xmm0                  # 8-byte Folded Reload
	movl	$.L.str.1, %edi
	movb	$1, %al
	callq	printf
	movl	$.Lstr.1, %edi
	callq	puts@PLT
	leaq	32(%rsp), %r13
	movq	%r13, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	xorps	%xmm0, %xmm0
	cvtsi2sdq	(%r13), %xmm0
	xorps	%xmm1, %xmm1
	cvtsi2sdq	8(%r13), %xmm1
	mulsd	.LCPI2_0(%rip), %xmm1
	addsd	%xmm0, %xmm1
	movsd	%xmm1, 8(%rsp)                  # 8-byte Spill
	movabsq	$4294967552, %rdx               # imm = 0x100000100
	leaq	135(%rdx), %rdi
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB2_6
# %bb.5:
	movq	24(%rsp), %rdi
	movq	16(%rsp), %rsi
	movsd	.LCPI2_1(%rip), %xmm0           # xmm0 = mem[0],zero
	callq	_Z20__device_stub__SAXPYPdS_d
.LBB2_6:
	callq	hipDeviceSynchronize
	leaq	32(%rsp), %r13
	movq	%r13, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	xorps	%xmm1, %xmm1
	cvtsi2sdq	(%r13), %xmm1
	xorps	%xmm0, %xmm0
	cvtsi2sdq	8(%r13), %xmm0
	mulsd	.LCPI2_0(%rip), %xmm0
	addsd	%xmm1, %xmm0
	subsd	8(%rsp), %xmm0                  # 8-byte Folded Reload
	movl	$.L.str.3, %edi
	movb	$1, %al
	callq	printf
	movl	$.Lstr.2, %edi
	callq	puts@PLT
	movq	16(%rsp), %rsi
	movl	$800000, %edx                   # imm = 0xC3500
	movq	%r14, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	movapd	.LCPI2_2(%rip), %xmm1           # xmm1 = [NaN,NaN]
	xorl	%r13d, %r13d
.LBB2_7:                                # =>This Inner Loop Header: Depth=1
	movsd	(%r14,%r13,8), %xmm0            # xmm0 = mem[0],zero
	subsd	(%r15,%r13,8), %xmm0
	andpd	%xmm1, %xmm0
	ucomisd	.LCPI2_0(%rip), %xmm0
	jbe	.LBB2_9
# %bb.8:                                #   in Loop: Header=BB2_7 Depth=1
	incl	%r12d
	movl	$.L.str.5, %edi
	movl	%r13d, %esi
	movb	$1, %al
	callq	printf
	movapd	.LCPI2_2(%rip), %xmm1           # xmm1 = [NaN,NaN]
.LBB2_9:                                #   in Loop: Header=BB2_7 Depth=1
	incq	%r13
	cmpq	$100000, %r13                   # imm = 0x186A0
	jne	.LBB2_7
# %bb.10:
	movl	$.L.str.6, %edi
	movl	%r12d, %esi
	xorl	%eax, %eax
	callq	printf
	testl	%r12d, %r12d
	jne	.LBB2_12
# %bb.11:
	movl	$.Lstr.3, %edi
	callq	puts@PLT
.LBB2_12:
	movq	24(%rsp), %rdi
	callq	hipFree
	movq	16(%rsp), %rdi
	callq	hipFree
	movq	%rbx, %rdi
	callq	free
	movq	%r14, %rdi
	callq	free
	movq	%r15, %rdi
	callq	free
	xorl	%eax, %eax
	addq	$48, %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_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	$_Z5SAXPYPdS_d, %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	_Z5SAXPYPdS_d,@object           # @_Z5SAXPYPdS_d
	.section	.rodata,"a",@progbits
	.globl	_Z5SAXPYPdS_d
	.p2align	3, 0x0
_Z5SAXPYPdS_d:
	.quad	_Z20__device_stub__SAXPYPdS_d
	.size	_Z5SAXPYPdS_d, 8

	.type	.L.str.1,@object                # @.str.1
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str.1:
	.asciz	"Done! CPU costs %lf\n"
	.size	.L.str.1, 21

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"Done! GPU costs %lf\n"
	.size	.L.str.3, 21

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"The %d-th element doesn't match. The difference is %lf\n"
	.size	.L.str.5, 56

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"Totally %d mismatch(es)\n"
	.size	.L.str.6, 25

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z5SAXPYPdS_d"
	.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

	.type	.Lstr,@object                   # @str
	.section	.rodata.str1.1,"aMS",@progbits,1
.Lstr:
	.asciz	"Computing SAXPY on the CPU..."
	.size	.Lstr, 30

	.type	.Lstr.1,@object                 # @str.1
.Lstr.1:
	.asciz	"Computing SAXPY on the GPU..."
	.size	.Lstr.1, 30

	.type	.Lstr.2,@object                 # @str.2
.Lstr.2:
	.asciz	"Comparing the output for each implementation..."
	.size	.Lstr.2, 48

	.type	.Lstr.3,@object                 # @str.3
.Lstr.3:
	.asciz	"Correct!"
	.size	.Lstr.3, 9

	.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 _Z20__device_stub__SAXPYPdS_d
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z5SAXPYPdS_d
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z5SAXPYPdS_d           ; -- Begin function _Z5SAXPYPdS_d
	.globl	_Z5SAXPYPdS_d
	.p2align	8
	.type	_Z5SAXPYPdS_d,@function
_Z5SAXPYPdS_d:                          ; @_Z5SAXPYPdS_d
; %bb.0:
	s_load_b32 s4, s[0:1], 0x24
	s_add_u32 s2, s0, 24
	s_addc_u32 s3, s1, 0
	s_waitcnt lgkmcnt(0)
	s_and_b32 s8, s4, 0xffff
	s_mov_b32 s4, exec_lo
	v_mad_u64_u32 v[1:2], null, s15, s8, v[0:1]
	s_delay_alu instid0(VALU_DEP_1)
	v_cmpx_gt_i32_e32 0x186a0, v1
	s_cbranch_execz .LBB0_3
; %bb.1:                                ; %.lr.ph.preheader
	s_load_b32 s9, s[2:3], 0x0
	s_clause 0x1
	s_load_b128 s[4:7], s[0:1], 0x0
	s_load_b64 s[2:3], s[0:1], 0x10
	v_ashrrev_i32_e32 v2, 31, v1
	s_mov_b32 s1, 0
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(SALU_CYCLE_1)
	v_lshlrev_b64 v[2:3], 3, v[1:2]
	s_waitcnt lgkmcnt(0)
	s_mul_i32 s8, s9, s8
	s_ashr_i32 s9, s8, 31
	s_delay_alu instid0(SALU_CYCLE_1)
	s_lshl_b64 s[10:11], s[8:9], 3
.LBB0_2:                                ; %.lr.ph
                                        ; =>This Inner Loop Header: Depth=1
	s_delay_alu instid0(VALU_DEP_1)
	v_add_co_u32 v4, vcc_lo, s4, v2
	v_add_co_ci_u32_e32 v5, vcc_lo, s5, v3, vcc_lo
	v_add_co_u32 v6, vcc_lo, s6, v2
	v_add_co_ci_u32_e32 v7, vcc_lo, s7, v3, vcc_lo
	v_add_nc_u32_e32 v1, s8, v1
	global_load_b64 v[4:5], v[4:5], off
	global_load_b64 v[8:9], v[6:7], off
	v_add_co_u32 v2, s0, v2, s10
	v_cmp_lt_i32_e32 vcc_lo, 0x1869f, v1
	v_add_co_ci_u32_e64 v3, s0, s11, v3, s0
	s_or_b32 s1, vcc_lo, s1
	s_waitcnt vmcnt(0)
	v_fma_f64 v[4:5], v[4:5], s[2:3], v[8:9]
	global_store_b64 v[6:7], v[4:5], off
	s_and_not1_b32 exec_lo, exec_lo, s1
	s_cbranch_execnz .LBB0_2
.LBB0_3:                                ; %Flow20
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z5SAXPYPdS_d
		.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 10
		.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	_Z5SAXPYPdS_d, .Lfunc_end0-_Z5SAXPYPdS_d
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 240
; NumSgprs: 18
; NumVgprs: 10
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 1
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 10
; 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:           8
        .value_kind:     by_value
      - .offset:         24
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         28
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         36
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         38
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         40
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         42
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         44
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         46
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         64
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         88
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 280
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z5SAXPYPdS_d
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z5SAXPYPdS_d.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     10
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
