
#include <stdio.h>
#include <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <sys/time.h>

__global__ void hashKernel(char* input, int size, int* indices, int* hashOutput)
{
	int index = blockIdx.x * blockDim.x + threadIdx.x; /* assuming 1D grid and block */

	//Each thread hashes the data from indices[index] to indices[index + 1]
	int start = indices[index];
	int end = indices[index + 1];
	
	unsigned hash = 2166136261;
	unsigned FNVMultiple = 16777619;

	for(int i = start; i < end; i += sizeof(int))
	{
		int arrayValue = *((int*) (input + i));
		hash += arrayValue;
                hash = hash ^ (arrayValue);     /* xor  the entire 32 bits */
                hash -= arrayValue;
                hash = hash * FNVMultiple;  /* multiply by the magic number */
                hash *= (arrayValue == 0)? 1 : arrayValue;
	}

	hashOutput[index] = hash;
}

int main(int argc, char** argv)
{

	int fd;
        char *fdata;
        struct stat finfo;
        char *fname;

        if (argc < 2)
        {
                printf("USAGE: %s <inputfilename>\n", argv[0]);
                exit(1);
        }

        fname = argv[1];
        fd = open(fname, O_RDONLY);
        fstat(fd, &finfo);

        printf("Allocating %lluMB for the input file.\n", ((long long unsigned int)finfo.st_size) / (1 << 20));
        fdata = (char *) malloc(finfo.st_size);
        size_t successRead = read (fd, fdata, finfo.st_size);
        size_t fileSize = (size_t) finfo.st_size;

        if(successRead != fileSize)
	{
                printf("Not all of the file is read, terminating...\n"); /* happens when input data is too large. Not going to handle this for now */
		exit(1);
	}

	//setting fixed number of threads, do not modify.
	dim3 grid(8, 1, 1);
	dim3 block(512, 1, 1);
	int numThreads = grid.x * block.x;

	int* indices = (int*) malloc((numThreads + 1) * sizeof(int));
	
	//calculating indices. Each index shows the point from which a thread starts hashing the input data
	int inputChunkSize = (fileSize + (numThreads - 1)) / numThreads;
        
        inputChunkSize = inputChunkSize - (inputChunkSize % 4);
        
	for(int i = 0; i < numThreads ; i ++)
		indices[i] = i * inputChunkSize; /* last thread(s) might go out of boundary, but gonna be handled in the kernel */
	//Setting the (last + 1) index
	indices[numThreads] = (int) fileSize;

	int* d_indices;
	cudaMalloc((void**) &d_indices, numThreads * sizeof(int));
	cudaMemcpy(d_indices, indices, numThreads * sizeof(int), cudaMemcpyHostToDevice);

	char* d_input;
	cudaMalloc((void**) &d_input, fileSize);
	cudaMemcpy(d_input, fdata, fileSize, cudaMemcpyHostToDevice);

	//Each thread will store its hash value in an element of this array.
	int* d_hashOutput;
	cudaMalloc((void**) &d_hashOutput, numThreads * sizeof(int));
	cudaMemset(d_hashOutput, 0, numThreads * sizeof(int));

	struct timeval partial_start, partial_end;
        time_t sec, ms, diff;
        gettimeofday(&partial_start, NULL);

	hashKernel<<<grid, block>>>(d_input, fileSize, d_indices, d_hashOutput);
	cudaThreadSynchronize();
	
        cudaError_t errR = cudaGetLastError();
        if(errR != cudaSuccess)
	{
		printf("Kernel returned an error, terminating...\n");
                exit(1);
	}

	gettimeofday(&partial_end, NULL);
        sec = partial_end.tv_sec - partial_start.tv_sec;
        ms = partial_end.tv_usec - partial_start.tv_usec;
        diff = sec * 1000000 + ms;

        printf("\n%10s:\t\t%0.1fms\n", "Kernel elapsed time", (double)((double)diff/1000.0));
	int* hashOutput = (int*) malloc(numThreads * sizeof(int));
	cudaMemcpy(hashOutput, d_hashOutput, numThreads * sizeof(int), cudaMemcpyDeviceToHost);

	//Summing up the threads' hash values to form one final hash value.
	int finalHashValue = 0;
	for(int i = 0; i < numThreads; i ++)
		finalHashValue += hashOutput[i];
	
	printf("Final hash value: %d\n", finalHashValue);
	
	return 0;


}

	.file	"tmpxft_002517ca_00000000-6_computeHash.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2047:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2047:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.globl	_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_
	.type	_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_, @function
_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_:
.LFB2069:
	.cfi_startproc
	endbr64
	subq	$152, %rsp
	.cfi_def_cfa_offset 160
	movq	%rdi, 24(%rsp)
	leaq	56(%rsp), %rdi
	movl	%esi, 20(%rsp)
	leaq	68(%rsp), %rsi
	movq	%rdx, 8(%rsp)
	leaq	40(%rsp), %rdx
	movq	%rcx, (%rsp)
	leaq	48(%rsp), %rcx
	movq	%fs:40, %rax
	movq	%rax, 136(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 64(%rsp)
	movq	%rax, 104(%rsp)
	leaq	20(%rsp), %rax
	movq	%rax, 112(%rsp)
	leaq	8(%rsp), %rax
	movq	%rax, 120(%rsp)
	movq	%rsp, %rax
	movq	%rax, 128(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 56(%rsp)
	movq	%rax, 68(%rsp)
	movl	$1, 76(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L2
	pushq	48(%rsp)
	.cfi_def_cfa_offset 168
	leaq	_Z10hashKernelPciPiS0_(%rip), %rdi
	pushq	48(%rsp)
	.cfi_def_cfa_offset 176
	movq	84(%rsp), %rcx
	movl	92(%rsp), %r8d
	movq	72(%rsp), %rsi
	movl	80(%rsp), %edx
	leaq	120(%rsp), %r9
	call	cudaLaunchKernel@PLT
	popq	%rax
	.cfi_def_cfa_offset 168
	popq	%rdx
	.cfi_def_cfa_offset 160
.L2:
	movq	136(%rsp), %rax
	subq	%fs:40, %rax
	je	.L4
	call	__stack_chk_fail@PLT
.L4:
	addq	$152, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2069:
	.size	_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_, .-_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_
	.globl	_Z10hashKernelPciPiS0_
	.type	_Z10hashKernelPciPiS0_, @function
_Z10hashKernelPciPiS0_:
.LFB2070:
	.cfi_startproc
	endbr64
	jmp	_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_
	.cfi_endproc
.LFE2070:
	.size	_Z10hashKernelPciPiS0_, .-_Z10hashKernelPciPiS0_
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"USAGE: %s <inputfilename>\n"
.LC1:
	.string	"Allocating %lluMB for the input file.\n"
.LC2:
	.string	"Not all of the file is read, terminating...\n"
.LC3:
	.string	"Kernel returned an error, terminating...\n"
.LC5:
	.string	"Kernel elapsed time"
.LC6:
	.string	"\n%10s:\t\t%0.1fms\n"
.LC7:
	.string	"Final hash value: %d\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2044:
	.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
	subq	$248, %rsp
	.cfi_def_cfa_offset 288
	movq	%fs:40, %rax
	movq	%rax, 232(%rsp)
	xorl	%eax, %eax
	decl	%edi
	jg	.L9
	movq	(%rsi), %rdx
	movl	$2, %edi
	leaq	.LC0(%rip), %rsi
	call	__printf_chk@PLT
	jmp	.L19
.L9:
	movq	8(%rsi), %rdi
	xorl	%esi, %esi
	call	__open_2@PLT
	leaq	88(%rsp), %rsi
	movl	%eax, %edi
	movl	%eax, %ebx
	call	fstat@PLT
	movq	136(%rsp), %rdx
	leaq	.LC1(%rip), %rsi
	xorl	%eax, %eax
	movl	$2, %edi
	shrq	$20, %rdx
	call	__printf_chk@PLT
	movq	136(%rsp), %rbp
	movq	%rbp, %rdi
	call	malloc@PLT
	movl	%ebx, %edi
	movq	%rbp, %rcx
	movq	%rbp, %rdx
	movq	%rax, %rsi
	movq	%rax, %r12
	call	__read_chk@PLT
	movq	136(%rsp), %rbx
	cmpq	%rax, %rbx
	je	.L10
	leaq	.LC2(%rip), %rsi
.L20:
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L19:
	movl	$1, %edi
	call	exit@PLT
.L10:
	movabsq	$4294967297, %rax
	movl	$16388, %edi
	movq	%rax, 36(%rsp)
	movq	%rax, 48(%rsp)
	call	malloc@PLT
	leaq	4095(%rbx), %rcx
	movl	$4, %esi
	shrq	$12, %rcx
	movq	%rax, %rbp
	movl	%ecx, %eax
	cltd
	idivl	%esi
	xorl	%eax, %eax
	subl	%edx, %ecx
	xorl	%edx, %edx
.L11:
	movl	%edx, 0(%rbp,%rax,4)
	incq	%rax
	addl	%ecx, %edx
	cmpq	$4096, %rax
	jne	.L11
	movl	%ebx, 16384(%rbp)
	leaq	8(%rsp), %rdi
	movl	$16384, %esi
	call	cudaMalloc@PLT
	movq	8(%rsp), %rdi
	movl	$1, %ecx
	movq	%rbp, %rsi
	movl	$16384, %edx
	call	cudaMemcpy@PLT
	leaq	16(%rsp), %rdi
	movq	%rbx, %rsi
	call	cudaMalloc@PLT
	movq	16(%rsp), %rdi
	movq	%rbx, %rdx
	movq	%r12, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	leaq	24(%rsp), %rdi
	movl	$16384, %esi
	call	cudaMalloc@PLT
	movq	24(%rsp), %rdi
	movl	$16384, %edx
	xorl	%esi, %esi
	call	cudaMemset@PLT
	xorl	%esi, %esi
	leaq	56(%rsp), %rdi
	call	gettimeofday@PLT
	movl	52(%rsp), %ecx
	movl	40(%rsp), %esi
	xorl	%r9d, %r9d
	movl	$8, 32(%rsp)
	movq	32(%rsp), %rdi
	xorl	%r8d, %r8d
	movl	$512, 44(%rsp)
	movq	44(%rsp), %rdx
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L12
	movq	24(%rsp), %rcx
	movq	8(%rsp), %rdx
	movl	%ebx, %esi
	movq	16(%rsp), %rdi
	call	_Z36__device_stub__Z10hashKernelPciPiS0_PciPiS0_
.L12:
	call	cudaThreadSynchronize@PLT
	call	cudaGetLastError@PLT
	leaq	.LC3(%rip), %rsi
	testl	%eax, %eax
	jne	.L20
	leaq	72(%rsp), %rdi
	xorl	%esi, %esi
	call	gettimeofday@PLT
	movq	72(%rsp), %rax
	subq	56(%rsp), %rax
	leaq	.LC5(%rip), %rdx
	imulq	$1000000, %rax, %rax
	addq	80(%rsp), %rax
	subq	64(%rsp), %rax
	movl	$2, %edi
	cvtsi2sdq	%rax, %xmm0
	leaq	.LC6(%rip), %rsi
	movb	$1, %al
	divsd	.LC4(%rip), %xmm0
	call	__printf_chk@PLT
	movl	$16384, %edi
	call	malloc@PLT
	movq	24(%rsp), %rsi
	movl	$16384, %edx
	movl	$2, %ecx
	movq	%rax, %rdi
	movq	%rax, %rbx
	call	cudaMemcpy@PLT
	xorl	%edx, %edx
	xorl	%eax, %eax
.L14:
	addl	(%rbx,%rdx,4), %eax
	incq	%rdx
	cmpq	$4096, %rdx
	jne	.L14
	movl	%eax, %edx
	leaq	.LC7(%rip), %rsi
	xorl	%eax, %eax
	movl	$2, %edi
	call	__printf_chk@PLT
	movq	232(%rsp), %rax
	subq	%fs:40, %rax
	je	.L15
	call	__stack_chk_fail@PLT
.L15:
	addq	$248, %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
.LFE2044:
	.size	main, .-main
	.section	.rodata.str1.1
.LC8:
	.string	"_Z10hashKernelPciPiS0_"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2072:
	.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	.LC8(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z10hashKernelPciPiS0_(%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
.LFE2072:
	.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
.LC4:
	.long	0
	.long	1083129856
	.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 <unistd.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <time.h>
#include <sys/time.h>

__global__ void hashKernel(char* input, int size, int* indices, int* hashOutput)
{
	int index = blockIdx.x * blockDim.x + threadIdx.x; /* assuming 1D grid and block */

	//Each thread hashes the data from indices[index] to indices[index + 1]
	int start = indices[index];
	int end = indices[index + 1];
	
	unsigned hash = 2166136261;
	unsigned FNVMultiple = 16777619;

	for(int i = start; i < end; i += sizeof(int))
	{
		int arrayValue = *((int*) (input + i));
		hash += arrayValue;
                hash = hash ^ (arrayValue);     /* xor  the entire 32 bits */
                hash -= arrayValue;
                hash = hash * FNVMultiple;  /* multiply by the magic number */
                hash *= (arrayValue == 0)? 1 : arrayValue;
	}

	hashOutput[index] = hash;
}

int main(int argc, char** argv)
{

	int fd;
        char *fdata;
        struct stat finfo;
        char *fname;

        if (argc < 2)
        {
                printf("USAGE: %s <inputfilename>\n", argv[0]);
                exit(1);
        }

        fname = argv[1];
        fd = open(fname, O_RDONLY);
        fstat(fd, &finfo);

        printf("Allocating %lluMB for the input file.\n", ((long long unsigned int)finfo.st_size) / (1 << 20));
        fdata = (char *) malloc(finfo.st_size);
        size_t successRead = read (fd, fdata, finfo.st_size);
        size_t fileSize = (size_t) finfo.st_size;

        if(successRead != fileSize)
	{
                printf("Not all of the file is read, terminating...\n"); /* happens when input data is too large. Not going to handle this for now */
		exit(1);
	}

	//setting fixed number of threads, do not modify.
	dim3 grid(8, 1, 1);
	dim3 block(512, 1, 1);
	int numThreads = grid.x * block.x;

	int* indices = (int*) malloc((numThreads + 1) * sizeof(int));
	
	//calculating indices. Each index shows the point from which a thread starts hashing the input data
	int inputChunkSize = (fileSize + (numThreads - 1)) / numThreads;
        
        inputChunkSize = inputChunkSize - (inputChunkSize % 4);
        
	for(int i = 0; i < numThreads ; i ++)
		indices[i] = i * inputChunkSize; /* last thread(s) might go out of boundary, but gonna be handled in the kernel */
	//Setting the (last + 1) index
	indices[numThreads] = (int) fileSize;

	int* d_indices;
	hipMalloc((void**) &d_indices, numThreads * sizeof(int));
	hipMemcpy(d_indices, indices, numThreads * sizeof(int), hipMemcpyHostToDevice);

	char* d_input;
	hipMalloc((void**) &d_input, fileSize);
	hipMemcpy(d_input, fdata, fileSize, hipMemcpyHostToDevice);

	//Each thread will store its hash value in an element of this array.
	int* d_hashOutput;
	hipMalloc((void**) &d_hashOutput, numThreads * sizeof(int));
	hipMemset(d_hashOutput, 0, numThreads * sizeof(int));

	struct timeval partial_start, partial_end;
        time_t sec, ms, diff;
        gettimeofday(&partial_start, NULL);

	hashKernel<<<grid, block>>>(d_input, fileSize, d_indices, d_hashOutput);
	hipDeviceSynchronize();
	
        hipError_t errR = hipGetLastError();
        if(errR != hipSuccess)
	{
		printf("Kernel returned an error, terminating...\n");
                exit(1);
	}

	gettimeofday(&partial_end, NULL);
        sec = partial_end.tv_sec - partial_start.tv_sec;
        ms = partial_end.tv_usec - partial_start.tv_usec;
        diff = sec * 1000000 + ms;

        printf("\n%10s:\t\t%0.1fms\n", "Kernel elapsed time", (double)((double)diff/1000.0));
	int* hashOutput = (int*) malloc(numThreads * sizeof(int));
	hipMemcpy(hashOutput, d_hashOutput, numThreads * sizeof(int), hipMemcpyDeviceToHost);

	//Summing up the threads' hash values to form one final hash value.
	int finalHashValue = 0;
	for(int i = 0; i < numThreads; i ++)
		finalHashValue += hashOutput[i];
	
	printf("Final hash value: %d\n", finalHashValue);
	
	return 0;


}

	.text
	.file	"computeHash.hip"
	.globl	_Z25__device_stub__hashKernelPciPiS0_ # -- Begin function _Z25__device_stub__hashKernelPciPiS0_
	.type	_Z25__device_stub__hashKernelPciPiS0_,@function
_Z25__device_stub__hashKernelPciPiS0_:  # @_Z25__device_stub__hashKernelPciPiS0_
	.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	4(%rsp), %rdi
	movl	%esi, (%rdi)
	leaq	32(%rsp), %rsi
	movq	%rdx, (%rsi)
	leaq	24(%rsp), %rdx
	movq	%rcx, (%rdx)
	leaq	80(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rdi, 8(%rbx)
	movq	%rsi, 16(%rbx)
	movq	%rdx, 24(%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	$_Z10hashKernelPciPiS0_, %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	_Z25__device_stub__hashKernelPciPiS0_, .Lfunc_end0-_Z25__device_stub__hashKernelPciPiS0_
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function main
.LCPI1_0:
	.quad	0x408f400000000000              # double 1000
	.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	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$208, %rsp
	.cfi_def_cfa_offset 256
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	cmpl	$1, %edi
	jle	.LBB1_10
# %bb.1:
	movq	8(%rsi), %rdi
	xorl	%r12d, %r12d
	xorl	%esi, %esi
	xorl	%eax, %eax
	callq	open
	movl	%eax, %ebp
	leaq	64(%rsp), %rbx
	movl	%eax, %edi
	movq	%rbx, %rsi
	callq	fstat
	movq	48(%rbx), %rbx
	movq	%rbx, %rsi
	shrq	$20, %rsi
	movl	$.L.str.1, %edi
	xorl	%eax, %eax
	callq	printf
	movq	%rbx, %rdi
	callq	malloc
	movq	%rax, %r14
	movl	%ebp, %edi
	movq	%rax, %rsi
	movq	%rbx, %rdx
	callq	read
	cmpq	%rbx, %rax
	jne	.LBB1_11
# %bb.2:
	movl	$16388, %edi                    # imm = 0x4004
	callq	malloc
	movq	%rax, %r15
	leaq	4095(%rbx), %rcx
	shrq	$12, %rcx
	leal	3(%rcx), %eax
	testl	%ecx, %ecx
	cmovnsl	%ecx, %eax
	andl	$-4, %eax
	xorl	%ecx, %ecx
.LBB1_3:                                # =>This Inner Loop Header: Depth=1
	movl	%r12d, (%r15,%rcx,4)
	incq	%rcx
	addl	%eax, %r12d
	cmpq	$4096, %rcx                     # imm = 0x1000
	jne	.LBB1_3
# %bb.4:
	movl	%ebx, 16384(%r15)
	leaq	24(%rsp), %r12
	movl	$16384, %esi                    # imm = 0x4000
	movq	%r12, %rdi
	callq	hipMalloc
	movq	(%r12), %rdi
	movl	$16384, %edx                    # imm = 0x4000
	movq	%r15, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	leaq	16(%rsp), %r15
	movq	%r15, %rdi
	movq	%rbx, %rsi
	callq	hipMalloc
	movq	(%r15), %rdi
	movq	%r14, %rsi
	movq	%rbx, %rdx
	movl	$1, %ecx
	callq	hipMemcpy
	leaq	8(%rsp), %r14
	movl	$16384, %esi                    # imm = 0x4000
	movq	%r14, %rdi
	callq	hipMalloc
	movq	(%r14), %rdi
	movl	$16384, %edx                    # imm = 0x4000
	xorl	%esi, %esi
	callq	hipMemset
	leaq	32(%rsp), %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	movabsq	$4294967304, %rdi               # imm = 0x100000008
	leaq	504(%rdi), %rdx
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB1_6
# %bb.5:
	movq	16(%rsp), %rdi
	movq	24(%rsp), %rdx
	movq	8(%rsp), %rcx
	movl	%ebx, %esi
	callq	_Z25__device_stub__hashKernelPciPiS0_
.LBB1_6:
	callq	hipDeviceSynchronize
	callq	hipGetLastError
	testl	%eax, %eax
	jne	.LBB1_12
# %bb.7:
	xorl	%r14d, %r14d
	leaq	48(%rsp), %rbx
	movq	%rbx, %rdi
	xorl	%esi, %esi
	callq	gettimeofday
	movq	(%rbx), %rax
	movq	8(%rbx), %rcx
	subq	32(%rsp), %rax
	subq	40(%rsp), %rcx
	imulq	$1000000, %rax, %rax            # imm = 0xF4240
	addq	%rcx, %rax
	cvtsi2sd	%rax, %xmm0
	divsd	.LCPI1_0(%rip), %xmm0
	movl	$.L.str.4, %edi
	movl	$.L.str.5, %esi
	movb	$1, %al
	callq	printf
	movl	$16384, %edi                    # imm = 0x4000
	callq	malloc
	movq	%rax, %rbx
	movq	8(%rsp), %rsi
	movl	$16384, %edx                    # imm = 0x4000
	movq	%rax, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	xorl	%esi, %esi
.LBB1_8:                                # =>This Inner Loop Header: Depth=1
	addl	(%rbx,%r14,4), %esi
	incq	%r14
	cmpq	$4096, %r14                     # imm = 0x1000
	jne	.LBB1_8
# %bb.9:
	movl	$.L.str.6, %edi
	xorl	%eax, %eax
	callq	printf
	xorl	%eax, %eax
	addq	$208, %rsp
	.cfi_def_cfa_offset 48
	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
.LBB1_10:
	.cfi_def_cfa_offset 256
	movq	(%rsi), %rsi
	movl	$.L.str, %edi
	xorl	%eax, %eax
	callq	printf
	jmp	.LBB1_14
.LBB1_11:
	movl	$.Lstr.1, %edi
	jmp	.LBB1_13
.LBB1_12:
	movl	$.Lstr, %edi
.LBB1_13:
	callq	puts@PLT
.LBB1_14:
	movl	$1, %edi
	callq	exit
.Lfunc_end1:
	.size	main, .Lfunc_end1-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	.LBB2_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB2_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z10hashKernelPciPiS0_, %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_end2:
	.size	__hip_module_ctor, .Lfunc_end2-__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	.LBB3_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
.LBB3_2:
	retq
.Lfunc_end3:
	.size	__hip_module_dtor, .Lfunc_end3-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z10hashKernelPciPiS0_,@object  # @_Z10hashKernelPciPiS0_
	.section	.rodata,"a",@progbits
	.globl	_Z10hashKernelPciPiS0_
	.p2align	3, 0x0
_Z10hashKernelPciPiS0_:
	.quad	_Z25__device_stub__hashKernelPciPiS0_
	.size	_Z10hashKernelPciPiS0_, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"USAGE: %s <inputfilename>\n"
	.size	.L.str, 27

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"Allocating %lluMB for the input file.\n"
	.size	.L.str.1, 39

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"\n%10s:\t\t%0.1fms\n"
	.size	.L.str.4, 17

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"Kernel elapsed time"
	.size	.L.str.5, 20

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"Final hash value: %d\n"
	.size	.L.str.6, 22

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z10hashKernelPciPiS0_"
	.size	.L__unnamed_1, 23

	.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	"Kernel returned an error, terminating..."
	.size	.Lstr, 41

	.type	.Lstr.1,@object                 # @str.1
.Lstr.1:
	.asciz	"Not all of the file is read, terminating..."
	.size	.Lstr.1, 44

	.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 _Z25__device_stub__hashKernelPciPiS0_
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z10hashKernelPciPiS0_
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z10hashKernelPciPiS0_  ; -- Begin function _Z10hashKernelPciPiS0_
	.globl	_Z10hashKernelPciPiS0_
	.p2align	8
	.type	_Z10hashKernelPciPiS0_,@function
_Z10hashKernelPciPiS0_:                 ; @_Z10hashKernelPciPiS0_
; %bb.0:
	s_clause 0x1
	s_load_b32 s2, s[0:1], 0x2c
	s_load_b128 s[4:7], s[0:1], 0x10
	v_mov_b32_e32 v4, 0x811c9dc5
	s_waitcnt lgkmcnt(0)
	s_and_b32 s2, s2, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[1:2], null, s15, s2, v[0:1]
	s_mov_b32 s2, exec_lo
	v_ashrrev_i32_e32 v2, 31, v1
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[0:1], 2, v[1:2]
	v_add_co_u32 v2, vcc_lo, s4, v0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v3, vcc_lo, s5, v1, vcc_lo
	global_load_b64 v[2:3], v[2:3], off
	s_waitcnt vmcnt(0)
	v_cmpx_lt_i32_e64 v2, v3
	s_cbranch_execz .LBB0_4
; %bb.1:                                ; %.lr.ph.preheader
	s_load_b64 s[0:1], s[0:1], 0x0
	v_mov_b32_e32 v4, 0x811c9dc5
	s_mov_b32 s3, 0
.LBB0_2:                                ; %.lr.ph
                                        ; =>This Inner Loop Header: Depth=1
	v_ashrrev_i32_e32 v6, 31, v2
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v5, vcc_lo, s0, v2
	v_add_nc_u32_e32 v2, 4, v2
	s_delay_alu instid0(VALU_DEP_3) | instskip(NEXT) | instid1(VALU_DEP_2)
	v_add_co_ci_u32_e32 v6, vcc_lo, s1, v6, vcc_lo
	v_cmp_ge_i32_e32 vcc_lo, v2, v3
	global_load_b32 v5, v[5:6], off
	s_or_b32 s3, vcc_lo, s3
	s_waitcnt vmcnt(0)
	v_add_nc_u32_e32 v4, v5, v4
	v_max_u32_e32 v6, 1, v5
	s_delay_alu instid0(VALU_DEP_2) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_xor_b32_e32 v4, v4, v5
	v_sub_nc_u32_e32 v4, v4, v5
	s_delay_alu instid0(VALU_DEP_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mul_lo_u32 v4, v6, v4
	v_mul_lo_u32 v4, 0x1000193, v4
	s_and_not1_b32 exec_lo, exec_lo, s3
	s_cbranch_execnz .LBB0_2
; %bb.3:                                ; %Flow
	s_or_b32 exec_lo, exec_lo, s3
.LBB0_4:                                ; %Flow36
	s_delay_alu instid0(SALU_CYCLE_1)
	s_or_b32 exec_lo, exec_lo, s2
	v_add_co_u32 v0, vcc_lo, s6, v0
	v_add_co_ci_u32_e32 v1, vcc_lo, s7, v1, vcc_lo
	global_store_b32 v[0:1], v4, off
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z10hashKernelPciPiS0_
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 288
		.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 7
		.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	_Z10hashKernelPciPiS0_, .Lfunc_end0-_Z10hashKernelPciPiS0_
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 276
; NumSgprs: 18
; NumVgprs: 7
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 7
; 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
      - .address_space:  global
        .offset:         16
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         24
        .size:           8
        .value_kind:     global_buffer
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         36
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         40
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         44
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         46
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         48
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         50
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         52
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         54
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         88
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         96
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 288
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z10hashKernelPciPiS0_
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z10hashKernelPciPiS0_.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     7
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
