#include <math.h>
#include <stdlib.h>
#include <stdio.h>
#include "unistd.h"
#include "time.h"
#include "string.h"
#include <cuda_runtime.h>

// ---------------------- Optimised Dedispersion Loop  ------------------------------
__global__ void testAtomicCas(int *buffer, int nsamp, int factor)
{

    if (blockIdx.x * blockDim.x + threadIdx.x > nsamp * factor)
        return;

    // Get memory index
    int ind = (blockIdx.x * blockDim.x + threadIdx.x) / factor; 

    // Perform atomic CAS
    while (atomicCAS(buffer + ind, 0 , 1) == 0);

}

// -------------------------- Main Program -----------------------------------

int nsamp = 1024, blocksize = 128, factor = 32;

// Process command-line parameters
void process_arguments(int argc, char *argv[])
{
    int i = 1;
    
    while((fopen(argv[i], "r")) != NULL)
        i++;

    while(i < argc) {
       if (!strcmp(argv[i], "-nsamp"))
           nsamp = atoi(argv[++i]);
       else if (!strcmp(argv[i], "-blocksize"))
           blocksize = atoi(argv[++i]);
       else if (!strcmp(argv[i], "-factor"))
           factor = atoi(argv[++i]);
       i++;
    }
}


int main(int argc, char *argv[])
{
    int *buffer, *d_buffer;
    int i;

    process_arguments(argc, argv);

    // Allocate and initialise arrays
    buffer = (int *) malloc(nsamp * sizeof(int));

    // Initialise CUDA stuff
    cudaSetDevice(0);
    cudaEvent_t event_start, event_stop;
    float timestamp;

    cudaEventCreate(&event_start); 
    cudaEventCreate(&event_stop);

    printf("nsamp: %d, blocksize: %d, factor: %d\n", nsamp, blocksize, factor);

    // Allocate CUDA memory
    cudaMalloc((void **) &d_buffer, nsamp * sizeof(int));
    cudaMemset(d_buffer, 0, nsamp * sizeof(int));

    time_t start = time(NULL);

    // Launch GPU kernel
    dim3 gridDim(factor * nsamp / blocksize, 1);  
    cudaEventRecord(event_start, 0);
    testAtomicCas<<<gridDim, blocksize>>>(d_buffer, nsamp, factor);
    cudaEventRecord(event_stop, 0);
    cudaEventSynchronize(event_stop);
    cudaEventElapsedTime(&timestamp, event_start, event_stop);
    printf("Processed in: %lf\n", timestamp);

    // Copy output from GPU
    cudaEventRecord(event_start, 0);
    cudaMemcpy(buffer, d_buffer, nsamp * sizeof(int), cudaMemcpyDeviceToHost);    
    cudaEventRecord(event_stop, 0);
    cudaEventSynchronize(event_stop);
    cudaEventElapsedTime(&timestamp, event_start, event_stop);
    printf("Copied from GPU in: %lf\n", timestamp);

    // Check values
    for(i = 0; i < nsamp; i++)
        if (buffer[i] != 1)
            printf("buffer[%d] = %d\n", i, buffer[i]);

    printf("Total time: %d\n", (int) (time(NULL) - start));
}


	.file	"tmpxft_002af14f_00000000-6_testAtomicCas.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2044:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2044:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"r"
.LC1:
	.string	"-nsamp"
.LC2:
	.string	"-blocksize"
.LC3:
	.string	"-factor"
	.text
	.globl	_Z17process_argumentsiPPc
	.type	_Z17process_argumentsiPPc, @function
_Z17process_argumentsiPPc:
.LFB2040:
	.cfi_startproc
	endbr64
	pushq	%r15
	.cfi_def_cfa_offset 16
	.cfi_offset 15, -16
	pushq	%r14
	.cfi_def_cfa_offset 24
	.cfi_offset 14, -24
	leaq	.LC0(%rip), %r14
	pushq	%r13
	.cfi_def_cfa_offset 32
	.cfi_offset 13, -32
	movl	$1, %r13d
	pushq	%r12
	.cfi_def_cfa_offset 40
	.cfi_offset 12, -40
	movl	%edi, %r12d
	pushq	%rbp
	.cfi_def_cfa_offset 48
	.cfi_offset 6, -48
	movq	%rsi, %rbp
	pushq	%rbx
	.cfi_def_cfa_offset 56
	.cfi_offset 3, -56
	pushq	%rdx
	.cfi_def_cfa_offset 64
.L3:
	movq	0(%rbp,%r13,8), %rdi
	movq	%r14, %rsi
	movq	%r13, %rbx
	incq	%r13
	call	fopen@PLT
	testq	%rax, %rax
	jne	.L3
	leaq	.LC3(%rip), %r15
.L4:
	cmpl	%r12d, %ebx
	jge	.L13
	movslq	%ebx, %rax
	leaq	.LC1(%rip), %rsi
	movq	0(%rbp,%rax,8), %r14
	leaq	0(,%rax,8), %r13
	movq	%r14, %rdi
	call	strcmp@PLT
	testl	%eax, %eax
	jne	.L5
	movq	8(%rbp,%r13), %rdi
	call	atoi@PLT
	movl	%eax, nsamp(%rip)
.L8:
	incl	%ebx
	jmp	.L6
.L5:
	leaq	.LC2(%rip), %rsi
	movq	%r14, %rdi
	call	strcmp@PLT
	testl	%eax, %eax
	jne	.L7
	movq	8(%rbp,%r13), %rdi
	call	atoi@PLT
	movl	%eax, blocksize(%rip)
	jmp	.L8
.L7:
	movq	%r15, %rsi
	movq	%r14, %rdi
	call	strcmp@PLT
	testl	%eax, %eax
	jne	.L6
	movq	8(%rbp,%r13), %rdi
	call	atoi@PLT
	movl	%eax, factor(%rip)
	jmp	.L8
.L6:
	incl	%ebx
	jmp	.L4
.L13:
	popq	%rax
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%rbp
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2040:
	.size	_Z17process_argumentsiPPc, .-_Z17process_argumentsiPPc
	.globl	_Z35__device_stub__Z13testAtomicCasPiiiPiii
	.type	_Z35__device_stub__Z13testAtomicCasPiiiPiii, @function
_Z35__device_stub__Z13testAtomicCasPiiiPiii:
.LFB2066:
	.cfi_startproc
	endbr64
	subq	$120, %rsp
	.cfi_def_cfa_offset 128
	movq	%rdi, 8(%rsp)
	leaq	24(%rsp), %rcx
	leaq	32(%rsp), %rdi
	movl	%esi, 4(%rsp)
	leaq	44(%rsp), %rsi
	movl	%edx, (%rsp)
	leaq	16(%rsp), %rdx
	movq	%fs:40, %rax
	movq	%rax, 104(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rax
	movl	$1, 40(%rsp)
	movq	%rax, 80(%rsp)
	leaq	4(%rsp), %rax
	movq	%rax, 88(%rsp)
	movq	%rsp, %rax
	movq	%rax, 96(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 32(%rsp)
	movq	%rax, 44(%rsp)
	movl	$1, 52(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L14
	pushq	24(%rsp)
	.cfi_def_cfa_offset 136
	leaq	_Z13testAtomicCasPiii(%rip), %rdi
	pushq	24(%rsp)
	.cfi_def_cfa_offset 144
	movq	60(%rsp), %rcx
	movl	68(%rsp), %r8d
	movq	48(%rsp), %rsi
	movl	56(%rsp), %edx
	leaq	96(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 136
	popq	%rdx
	.cfi_def_cfa_offset 128
.L14:
	movq	104(%rsp), %rax
	subq	%fs:40, %rax
	je	.L16
	call	__stack_chk_fail@PLT
.L16:
	addq	$120, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2066:
	.size	_Z35__device_stub__Z13testAtomicCasPiiiPiii, .-_Z35__device_stub__Z13testAtomicCasPiiiPiii
	.globl	_Z13testAtomicCasPiii
	.type	_Z13testAtomicCasPiii, @function
_Z13testAtomicCasPiii:
.LFB2067:
	.cfi_startproc
	endbr64
	jmp	_Z35__device_stub__Z13testAtomicCasPiiiPiii
	.cfi_endproc
.LFE2067:
	.size	_Z13testAtomicCasPiii, .-_Z13testAtomicCasPiii
	.section	.rodata.str1.1
.LC4:
	.string	"nsamp: %d, blocksize: %d, factor: %d\n"
.LC5:
	.string	"Processed in: %lf\n"
.LC6:
	.string	"Copied from GPU in: %lf\n"
.LC7:
	.string	"buffer[%d] = %d\n"
.LC8:
	.string	"Total time: %d\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2041:
	.cfi_startproc
	endbr64
	pushq	%r13
	.cfi_def_cfa_offset 16
	.cfi_offset 13, -16
	pushq	%r12
	.cfi_def_cfa_offset 24
	.cfi_offset 12, -24
	pushq	%rbp
	.cfi_def_cfa_offset 32
	.cfi_offset 6, -32
	pushq	%rbx
	.cfi_def_cfa_offset 40
	.cfi_offset 3, -40
	movabsq	$4294967297, %rbx
	subq	$72, %rsp
	.cfi_def_cfa_offset 112
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	xorl	%eax, %eax
	call	_Z17process_argumentsiPPc
	movslq	nsamp(%rip), %rdi
	salq	$2, %rdi
	call	malloc@PLT
	xorl	%edi, %edi
	movq	%rax, %rbp
	call	cudaSetDevice@PLT
	leaq	16(%rsp), %rdi
	call	cudaEventCreate@PLT
	leaq	24(%rsp), %rdi
	call	cudaEventCreate@PLT
	movl	factor(%rip), %r8d
	xorl	%eax, %eax
	movl	blocksize(%rip), %ecx
	movl	nsamp(%rip), %edx
	leaq	.LC4(%rip), %rsi
	movl	$2, %edi
	call	__printf_chk@PLT
	movslq	nsamp(%rip), %rsi
	leaq	8(%rsp), %rdi
	salq	$2, %rsi
	call	cudaMalloc@PLT
	movslq	nsamp(%rip), %rdx
	movq	8(%rsp), %rdi
	xorl	%esi, %esi
	salq	$2, %rdx
	call	cudaMemset@PLT
	xorl	%edi, %edi
	call	time@PLT
	movq	16(%rsp), %rdi
	xorl	%esi, %esi
	movq	%rbx, 36(%rsp)
	movq	%rax, %r12
	movl	factor(%rip), %eax
	imull	nsamp(%rip), %eax
	cltd
	idivl	blocksize(%rip)
	movl	%eax, 32(%rsp)
	call	cudaEventRecord@PLT
	movq	%rbx, 48(%rsp)
	movl	blocksize(%rip), %eax
	xorl	%r9d, %r9d
	movl	52(%rsp), %ecx
	movq	32(%rsp), %rdi
	xorl	%r8d, %r8d
	movl	%eax, 44(%rsp)
	movl	40(%rsp), %esi
	movq	44(%rsp), %rdx
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L20
	movl	factor(%rip), %edx
	movl	nsamp(%rip), %esi
	movq	8(%rsp), %rdi
	call	_Z35__device_stub__Z13testAtomicCasPiiiPiii
.L20:
	movq	24(%rsp), %rdi
	xorl	%esi, %esi
	leaq	44(%rsp), %rbx
	leaq	.LC7(%rip), %r13
	call	cudaEventRecord@PLT
	movq	24(%rsp), %rdi
	call	cudaEventSynchronize@PLT
	movq	24(%rsp), %rdx
	movq	16(%rsp), %rsi
	movq	%rbx, %rdi
	call	cudaEventElapsedTime@PLT
	leaq	.LC5(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	44(%rsp), %xmm0
	call	__printf_chk@PLT
	movq	16(%rsp), %rdi
	xorl	%esi, %esi
	call	cudaEventRecord@PLT
	movslq	nsamp(%rip), %rdx
	movq	8(%rsp), %rsi
	movq	%rbp, %rdi
	movl	$2, %ecx
	salq	$2, %rdx
	call	cudaMemcpy@PLT
	movq	24(%rsp), %rdi
	xorl	%esi, %esi
	call	cudaEventRecord@PLT
	movq	24(%rsp), %rdi
	call	cudaEventSynchronize@PLT
	movq	24(%rsp), %rdx
	movq	16(%rsp), %rsi
	movq	%rbx, %rdi
	xorl	%ebx, %ebx
	call	cudaEventElapsedTime@PLT
	leaq	.LC6(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	44(%rsp), %xmm0
	call	__printf_chk@PLT
.L21:
	cmpl	%ebx, nsamp(%rip)
	jle	.L29
	movl	0(%rbp,%rbx,4), %ecx
	cmpl	$1, %ecx
	je	.L22
	movl	%ebx, %edx
	movq	%r13, %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L22:
	incq	%rbx
	jmp	.L21
.L29:
	xorl	%edi, %edi
	call	time@PLT
	leaq	.LC8(%rip), %rsi
	movl	$2, %edi
	movl	%eax, %edx
	xorl	%eax, %eax
	subl	%r12d, %edx
	call	__printf_chk@PLT
	movq	56(%rsp), %rax
	subq	%fs:40, %rax
	je	.L24
	call	__stack_chk_fail@PLT
.L24:
	addq	$72, %rsp
	.cfi_def_cfa_offset 40
	xorl	%eax, %eax
	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
.LFE2041:
	.size	main, .-main
	.section	.rodata.str1.1
.LC9:
	.string	"_Z13testAtomicCasPiii"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2069:
	.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	.LC9(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z13testAtomicCasPiii(%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
.LFE2069:
	.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
	.globl	factor
	.data
	.align 4
	.type	factor, @object
	.size	factor, 4
factor:
	.long	32
	.globl	blocksize
	.align 4
	.type	blocksize, @object
	.size	blocksize, 4
blocksize:
	.long	128
	.globl	nsamp
	.align 4
	.type	nsamp, @object
	.size	nsamp, 4
nsamp:
	.long	1024
	.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 <math.h>
#include <stdlib.h>
#include <stdio.h>
#include "unistd.h"
#include "time.h"
#include "string.h"
#include <hip/hip_runtime.h>

// ---------------------- Optimised Dedispersion Loop  ------------------------------
__global__ void testAtomicCas(int *buffer, int nsamp, int factor)
{

    if (blockIdx.x * blockDim.x + threadIdx.x > nsamp * factor)
        return;

    // Get memory index
    int ind = (blockIdx.x * blockDim.x + threadIdx.x) / factor; 

    // Perform atomic CAS
    while (atomicCAS(buffer + ind, 0 , 1) == 0);

}

// -------------------------- Main Program -----------------------------------

int nsamp = 1024, blocksize = 128, factor = 32;

// Process command-line parameters
void process_arguments(int argc, char *argv[])
{
    int i = 1;
    
    while((fopen(argv[i], "r")) != NULL)
        i++;

    while(i < argc) {
       if (!strcmp(argv[i], "-nsamp"))
           nsamp = atoi(argv[++i]);
       else if (!strcmp(argv[i], "-blocksize"))
           blocksize = atoi(argv[++i]);
       else if (!strcmp(argv[i], "-factor"))
           factor = atoi(argv[++i]);
       i++;
    }
}


int main(int argc, char *argv[])
{
    int *buffer, *d_buffer;
    int i;

    process_arguments(argc, argv);

    // Allocate and initialise arrays
    buffer = (int *) malloc(nsamp * sizeof(int));

    // Initialise CUDA stuff
    hipSetDevice(0);
    hipEvent_t event_start, event_stop;
    float timestamp;

    hipEventCreate(&event_start); 
    hipEventCreate(&event_stop);

    printf("nsamp: %d, blocksize: %d, factor: %d\n", nsamp, blocksize, factor);

    // Allocate CUDA memory
    hipMalloc((void **) &d_buffer, nsamp * sizeof(int));
    hipMemset(d_buffer, 0, nsamp * sizeof(int));

    time_t start = time(NULL);

    // Launch GPU kernel
    dim3 gridDim(factor * nsamp / blocksize, 1);  
    hipEventRecord(event_start, 0);
    testAtomicCas<<<gridDim, blocksize>>>(d_buffer, nsamp, factor);
    hipEventRecord(event_stop, 0);
    hipEventSynchronize(event_stop);
    hipEventElapsedTime(&timestamp, event_start, event_stop);
    printf("Processed in: %lf\n", timestamp);

    // Copy output from GPU
    hipEventRecord(event_start, 0);
    hipMemcpy(buffer, d_buffer, nsamp * sizeof(int), hipMemcpyDeviceToHost);    
    hipEventRecord(event_stop, 0);
    hipEventSynchronize(event_stop);
    hipEventElapsedTime(&timestamp, event_start, event_stop);
    printf("Copied from GPU in: %lf\n", timestamp);

    // Check values
    for(i = 0; i < nsamp; i++)
        if (buffer[i] != 1)
            printf("buffer[%d] = %d\n", i, buffer[i]);

    printf("Total time: %d\n", (int) (time(NULL) - start));
}


	.text
	.file	"testAtomicCas.hip"
	.globl	_Z28__device_stub__testAtomicCasPiii # -- Begin function _Z28__device_stub__testAtomicCasPiii
	.type	_Z28__device_stub__testAtomicCasPiii,@function
_Z28__device_stub__testAtomicCasPiii:   # @_Z28__device_stub__testAtomicCasPiii
	.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	$96, %rsp
	.cfi_def_cfa_offset 144
	.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	4(%rsp), %rcx
	movl	%esi, (%rcx)
	movq	%rsp, %rsi
	movl	%edx, (%rsi)
	leaq	64(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	movq	%rsi, 16(%rbx)
	leaq	48(%rsp), %r14
	leaq	32(%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	$_Z13testAtomicCasPiii, %edi
	movq	%rbx, %r9
	pushq	(%r13)
	.cfi_adjust_cfa_offset 8
	pushq	(%r12)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$112, %rsp
	.cfi_adjust_cfa_offset -112
	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	_Z28__device_stub__testAtomicCasPiii, .Lfunc_end0-_Z28__device_stub__testAtomicCasPiii
	.cfi_endproc
                                        # -- End function
	.globl	_Z17process_argumentsiPPc       # -- Begin function _Z17process_argumentsiPPc
	.type	_Z17process_argumentsiPPc,@function
_Z17process_argumentsiPPc:              # @_Z17process_argumentsiPPc
	.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	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	movq	%rsi, %rbx
	movl	%edi, %ebp
	xorl	%r15d, %r15d
.LBB1_1:                                # =>This Inner Loop Header: Depth=1
	movq	8(%rbx,%r15,8), %rdi
	movl	$.L.str, %esi
	callq	fopen
	incq	%r15
	testq	%rax, %rax
	jne	.LBB1_1
	jmp	.LBB1_2
.LBB1_3:                                # %.lr.ph
                                        #   in Loop: Header=BB1_2 Depth=1
	movslq	%r15d, %r12
	movq	(%rbx,%r12,8), %r14
	movl	$.L.str.1, %esi
	movq	%r14, %rdi
	callq	strcmp
	testl	%eax, %eax
	je	.LBB1_4
# %bb.5:                                #   in Loop: Header=BB1_2 Depth=1
	movl	$.L.str.2, %esi
	movq	%r14, %rdi
	callq	strcmp
	testl	%eax, %eax
	je	.LBB1_6
# %bb.7:                                #   in Loop: Header=BB1_2 Depth=1
	movl	$.L.str.3, %esi
	movq	%r14, %rdi
	callq	strcmp
	testl	%eax, %eax
	jne	.LBB1_10
# %bb.8:                                #   in Loop: Header=BB1_2 Depth=1
	movl	$factor, %r14d
	jmp	.LBB1_9
.LBB1_4:                                #   in Loop: Header=BB1_2 Depth=1
	movl	$nsamp, %r14d
	jmp	.LBB1_9
.LBB1_6:                                #   in Loop: Header=BB1_2 Depth=1
	movl	$blocksize, %r14d
.LBB1_9:                                # %.sink.split
                                        #   in Loop: Header=BB1_2 Depth=1
	leal	1(%r12), %r15d
	movq	8(%rbx,%r12,8), %rdi
	callq	atoi
	movl	%eax, (%r14)
.LBB1_10:                               #   in Loop: Header=BB1_2 Depth=1
	incl	%r15d
.LBB1_2:                                # %.preheader
                                        # =>This Inner Loop Header: Depth=1
	cmpl	%ebp, %r15d
	jl	.LBB1_3
# %bb.11:                               # %._crit_edge
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end1:
	.size	_Z17process_argumentsiPPc, .Lfunc_end1-_Z17process_argumentsiPPc
	.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	$40, %rsp
	.cfi_def_cfa_offset 80
	.cfi_offset %rbx, -40
	.cfi_offset %r12, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	callq	_Z17process_argumentsiPPc
	movslq	nsamp(%rip), %rdi
	shlq	$2, %rdi
	callq	malloc
	movq	%rax, %rbx
	xorl	%edi, %edi
	callq	hipSetDevice
	leaq	16(%rsp), %r15
	movq	%r15, %rdi
	callq	hipEventCreate
	leaq	8(%rsp), %rdi
	callq	hipEventCreate
	movl	nsamp(%rip), %esi
	movl	blocksize(%rip), %edx
	movl	factor(%rip), %ecx
	movl	$.L.str.4, %edi
	xorl	%eax, %eax
	callq	printf
	movslq	nsamp(%rip), %rsi
	shlq	$2, %rsi
	leaq	24(%rsp), %r14
	movq	%r14, %rdi
	callq	hipMalloc
	movq	(%r14), %rdi
	movslq	nsamp(%rip), %rdx
	shlq	$2, %rdx
	xorl	%esi, %esi
	callq	hipMemset
	xorl	%edi, %edi
	callq	time
	movq	%rax, %r14
	movl	nsamp(%rip), %eax
	imull	factor(%rip), %eax
	cltd
	idivl	blocksize(%rip)
	movl	%eax, %r12d
	btsq	$32, %r12
	movq	(%r15), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movl	blocksize(%rip), %edx
	btsq	$32, %rdx
	movq	%r12, %rdi
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB2_2
# %bb.1:
	movq	24(%rsp), %rdi
	movl	nsamp(%rip), %esi
	movl	factor(%rip), %edx
	callq	_Z28__device_stub__testAtomicCasPiii
.LBB2_2:
	movq	8(%rsp), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	8(%rsp), %rdi
	callq	hipEventSynchronize
	movq	16(%rsp), %rsi
	movq	8(%rsp), %rdx
	leaq	36(%rsp), %r15
	movq	%r15, %rdi
	callq	hipEventElapsedTime
	cvtss2sd	(%r15), %xmm0
	movl	$.L.str.5, %edi
	movb	$1, %al
	callq	printf
	movq	16(%rsp), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	24(%rsp), %rsi
	movslq	nsamp(%rip), %rdx
	shlq	$2, %rdx
	movq	%rbx, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	movq	8(%rsp), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	8(%rsp), %rdi
	callq	hipEventSynchronize
	movq	16(%rsp), %rsi
	movq	8(%rsp), %rdx
	movq	%r15, %rdi
	callq	hipEventElapsedTime
	xorps	%xmm0, %xmm0
	cvtss2sd	(%r15), %xmm0
	movl	$.L.str.6, %edi
	movb	$1, %al
	callq	printf
	movl	nsamp(%rip), %eax
	testl	%eax, %eax
	jle	.LBB2_7
# %bb.3:                                # %.lr.ph.preheader
	xorl	%r15d, %r15d
.LBB2_4:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movl	(%rbx,%r15,4), %edx
	cmpl	$1, %edx
	je	.LBB2_6
# %bb.5:                                #   in Loop: Header=BB2_4 Depth=1
	movl	$.L.str.7, %edi
	movl	%r15d, %esi
	xorl	%eax, %eax
	callq	printf
	movl	nsamp(%rip), %eax
.LBB2_6:                                #   in Loop: Header=BB2_4 Depth=1
	incq	%r15
	movslq	%eax, %rcx
	cmpq	%rcx, %r15
	jl	.LBB2_4
.LBB2_7:                                # %._crit_edge
	xorl	%edi, %edi
	callq	time
	subl	%r14d, %eax
	movl	$.L.str.8, %edi
	movl	%eax, %esi
	xorl	%eax, %eax
	callq	printf
	xorl	%eax, %eax
	addq	$40, %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_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	$_Z13testAtomicCasPiii, %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	_Z13testAtomicCasPiii,@object   # @_Z13testAtomicCasPiii
	.section	.rodata,"a",@progbits
	.globl	_Z13testAtomicCasPiii
	.p2align	3, 0x0
_Z13testAtomicCasPiii:
	.quad	_Z28__device_stub__testAtomicCasPiii
	.size	_Z13testAtomicCasPiii, 8

	.type	nsamp,@object                   # @nsamp
	.data
	.globl	nsamp
	.p2align	2, 0x0
nsamp:
	.long	1024                            # 0x400
	.size	nsamp, 4

	.type	blocksize,@object               # @blocksize
	.globl	blocksize
	.p2align	2, 0x0
blocksize:
	.long	128                             # 0x80
	.size	blocksize, 4

	.type	factor,@object                  # @factor
	.globl	factor
	.p2align	2, 0x0
factor:
	.long	32                              # 0x20
	.size	factor, 4

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"r"
	.size	.L.str, 2

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"-nsamp"
	.size	.L.str.1, 7

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"-blocksize"
	.size	.L.str.2, 11

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"-factor"
	.size	.L.str.3, 8

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"nsamp: %d, blocksize: %d, factor: %d\n"
	.size	.L.str.4, 38

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"Processed in: %lf\n"
	.size	.L.str.5, 19

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"Copied from GPU in: %lf\n"
	.size	.L.str.6, 25

	.type	.L.str.7,@object                # @.str.7
.L.str.7:
	.asciz	"buffer[%d] = %d\n"
	.size	.L.str.7, 17

	.type	.L.str.8,@object                # @.str.8
.L.str.8:
	.asciz	"Total time: %d\n"
	.size	.L.str.8, 16

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z13testAtomicCasPiii"
	.size	.L__unnamed_1, 22

	.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 _Z28__device_stub__testAtomicCasPiii
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z13testAtomicCasPiii
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z13testAtomicCasPiii   ; -- Begin function _Z13testAtomicCasPiii
	.globl	_Z13testAtomicCasPiii
	.p2align	8
	.type	_Z13testAtomicCasPiii,@function
_Z13testAtomicCasPiii:                  ; @_Z13testAtomicCasPiii
; %bb.0:
	s_clause 0x1
	s_load_b32 s4, s[0:1], 0x1c
	s_load_b64 s[2:3], s[0:1], 0x8
	s_waitcnt lgkmcnt(0)
	s_and_b32 s4, s4, 0xffff
	s_mul_i32 s2, s3, s2
	v_mad_u64_u32 v[1:2], null, s15, s4, v[0:1]
	s_delay_alu instid0(VALU_DEP_1)
	v_cmp_ge_u32_e32 vcc_lo, s2, v1
	s_and_saveexec_b32 s2, vcc_lo
	s_cbranch_execz .LBB0_3
; %bb.1:
	v_cvt_f32_u32_e32 v0, s3
	s_sub_i32 s2, 0, s3
	s_load_b64 s[0:1], s[0:1], 0x0
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(VALU_DEP_1)
	v_rcp_iflag_f32_e32 v0, v0
	s_waitcnt_depctr 0xfff
	v_mul_f32_e32 v0, 0x4f7ffffe, v0
	v_cvt_u32_f32_e32 v0, v0
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mul_lo_u32 v2, s2, v0
	v_mul_hi_u32 v2, v0, v2
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_add_nc_u32_e32 v0, v0, v2
	v_mul_hi_u32 v0, v1, v0
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mul_lo_u32 v2, v0, s3
	v_sub_nc_u32_e32 v1, v1, v2
	v_add_nc_u32_e32 v2, 1, v0
	s_delay_alu instid0(VALU_DEP_2) | instskip(SKIP_1) | instid1(VALU_DEP_2)
	v_subrev_nc_u32_e32 v3, s3, v1
	v_cmp_le_u32_e32 vcc_lo, s3, v1
	v_dual_cndmask_b32 v0, v0, v2 :: v_dual_cndmask_b32 v1, v1, v3
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_add_nc_u32_e32 v2, 1, v0
	v_cmp_le_u32_e32 vcc_lo, s3, v1
	s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_cndmask_b32_e32 v0, v0, v2, vcc_lo
	v_ashrrev_i32_e32 v1, 31, v0
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_2) | instid1(VALU_DEP_2)
	v_lshlrev_b64 v[2:3], 2, v[0:1]
	v_dual_mov_b32 v1, 0 :: v_dual_mov_b32 v0, 1
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v2, vcc_lo, s0, v2
	s_delay_alu instid0(VALU_DEP_3)
	v_add_co_ci_u32_e32 v3, vcc_lo, s1, v3, vcc_lo
	s_mov_b32 s0, 0
.LBB0_2:                                ; =>This Inner Loop Header: Depth=1
	global_atomic_cmpswap_b32 v4, v[2:3], v[0:1], off glc
	s_waitcnt vmcnt(0)
	v_cmp_ne_u32_e32 vcc_lo, 0, v4
	s_or_b32 s0, vcc_lo, s0
	s_delay_alu instid0(SALU_CYCLE_1)
	s_and_not1_b32 exec_lo, exec_lo, s0
	s_cbranch_execnz .LBB0_2
.LBB0_3:                                ; %.loopexit
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z13testAtomicCasPiii
		.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 5
		.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	_Z13testAtomicCasPiii, .Lfunc_end0-_Z13testAtomicCasPiii
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 280
; NumSgprs: 18
; NumVgprs: 5
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 5
; 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
      - .offset:         8
        .size:           4
        .value_kind:     by_value
      - .offset:         12
        .size:           4
        .value_kind:     by_value
      - .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
    .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:           _Z13testAtomicCasPiii
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z13testAtomicCasPiii.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     5
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
