#include <stdio.h>
#include <cstdlib>

__global__
/* Kernel to square array on GPU */
void squareArray(float *input, float *result, unsigned int n) {
	unsigned int idx = (blockIdx.x * blockDim.x) + threadIdx.x;
	if (idx < n) { 
		result[idx] = input[idx] * input[idx];
	}
}

unsigned int nIter; // number of iterations
unsigned int nElem, nBytes; // dim and mem size of array, 
unsigned int nBlocks; // number of blocks per grid
unsigned int nThreads = 64;

/* Print array of integers, 20 elements per line */
void printArray(const float * a, const char* name) {
	printf("Printing %s array:", name);
	for (int i = 0; i < nElem; i++) {
		if (i%20 == 0) {
			printf("\n");
		}
		printf("%2f", a[i]);
	}
	printf("\n");
}

__host__ cudaEvent_t get_time(void)
{
	cudaEvent_t time;
	cudaEventCreate(&time);
	cudaEventRecord(time);
	return time;
}

void genRandArray(float *arr, const unsigned int n) {
	for (int i = 0; i < n; i++) {
		arr[i] = rand() / (RAND_MAX / 5.0);
	}
}


float bchmkPagedMem() {
	cudaEvent_t start = get_time(); // start time
	
	float *h_pagedIn, *h_pagedOut; // paged memory on host
	float *d_input, *d_result; // pointers for GPU arrays and allocate
	cudaMalloc((void **)&d_input, nBytes); // device input
	cudaMalloc((void **)&d_result, nBytes); // device output
	
	h_pagedIn = (float*) malloc(nBytes); // allocate input 
	h_pagedOut = (float*) malloc(nBytes); // allocate output 
	
	for (int it=0; it < nIter; it++) {
		genRandArray(h_pagedIn, nElem); // overwrite with random numbers
		cudaMemcpy(d_input, h_pagedIn, nBytes, cudaMemcpyHostToDevice); //copy
		
		// Execute the kernel
		squareArray<<<nBlocks, nThreads>>>(d_input, d_result, nElem);
		
		// Free the arrays on the GPU as now we're done with them 
		cudaMemcpy( h_pagedOut, d_result, nBytes, cudaMemcpyDeviceToHost );
	}

	cudaFree(d_input); // Freeing memory 
	cudaFree(d_result);
	free(h_pagedIn);
	free(h_pagedOut);
	
	cudaEvent_t stop = get_time(); // stop time 
	cudaEventSynchronize(stop); 
	
	float dur = 0;
	cudaEventElapsedTime(&dur, start, stop); // calculate duration
	return dur;
}

float bchmkPinnedMem() {
	cudaEvent_t start = get_time(); // start time
	
	float *h_pinnedIn, *h_pinnedOut; // paged memory on host
	float *d_input, *d_result; // pointers for GPU arrays and allocate
	cudaMalloc((void **)&d_input, nBytes); // device input
	cudaMalloc((void **)&d_result, nBytes); // device output
	
	cudaMallocHost((void**)&h_pinnedIn, nBytes); // allocate input 
	cudaMallocHost((void**)&h_pinnedOut, nBytes); // allocate output 
	
	for (int it=0; it < nIter; it++) {
		genRandArray(h_pinnedIn, nElem); // overwrite with random numbers
		cudaMemcpy(d_input, h_pinnedIn, nBytes, cudaMemcpyHostToDevice); //copy
		
		// Execute the kernel
		squareArray<<<nBlocks, nThreads>>>(d_input, d_result, nElem);
		
		// Free the arrays on the GPU as now we're done with them 
		cudaMemcpy( h_pinnedOut, d_result, nBytes, cudaMemcpyDeviceToHost );
	}
	
	cudaFree(d_input); // freeing memory
	cudaFree(d_result);
	cudaFreeHost(h_pinnedIn);
	cudaFreeHost(h_pinnedOut);
	
	cudaEvent_t stop = get_time(); // stop time 
	cudaEventSynchronize(stop); 
	
	float dur = 0;
	cudaEventElapsedTime(&dur, start, stop); // calculate duration
	return dur;
}

int main(int argc, char* argv[]) {
	if (argc != 3) { // expect 2 cmd line args: nThreads and nBlocks
		printf("Usage: %s [nIterations] [arraySizeExponent].\n", argv[0]);
		return EXIT_FAILURE;
	}
	nIter = atoi(argv[1]);
	nElem = 2 << atoi(argv[2]); // number of elem in array
	nBytes = nElem * sizeof(float); // size of array 
	nBlocks = (nBytes+nThreads-1)/nThreads;
	
	printf("Running %u iterations of squaring %u doubles" 
		" using pageable memory...\n", nIter, nElem);
	float t1 = bchmkPagedMem();
	printf("\tElapsed: %f ms.\n", t1);
	
	printf("Running %u iterations of squaring %u doubles" 
		" using pinned memory...\n", nIter, nElem);
	float t2 = bchmkPinnedMem();
	printf("\tElapsed: %f ms.\n", t2);
	
	return EXIT_SUCCESS;
}
	.file	"tmpxft_0037cb29_00000000-6_mem_bchmk.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2035:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2035:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"Printing %s array:"
.LC1:
	.string	"\n"
.LC2:
	.string	"%2f"
	.text
	.globl	_Z10printArrayPKfPKc
	.type	_Z10printArrayPKfPKc, @function
_Z10printArrayPKfPKc:
.LFB2027:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movq	%rsi, %rdx
	xorl	%eax, %eax
	leaq	.LC0(%rip), %rsi
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	movq	%rdi, %rbp
	movl	$2, %edi
	leaq	.LC1(%rip), %r12
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	xorl	%ebx, %ebx
	call	__printf_chk@PLT
.L3:
	cmpl	nElem(%rip), %ebx
	movl	%ebx, %eax
	jnb	.L8
	movl	$20, %ecx
	cltd
	idivl	%ecx
	testl	%edx, %edx
	jne	.L4
	movq	%r12, %rsi
	movl	$2, %edi
	xorl	%eax, %eax
	call	__printf_chk@PLT
.L4:
	leaq	.LC2(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	0(%rbp,%rbx,4), %xmm0
	call	__printf_chk@PLT
	incq	%rbx
	jmp	.L3
.L8:
	popq	%rbx
	.cfi_def_cfa_offset 24
	leaq	.LC1(%rip), %rsi
	popq	%rbp
	.cfi_def_cfa_offset 16
	movl	$2, %edi
	xorl	%eax, %eax
	popq	%r12
	.cfi_def_cfa_offset 8
	jmp	__printf_chk@PLT
	.cfi_endproc
.LFE2027:
	.size	_Z10printArrayPKfPKc, .-_Z10printArrayPKfPKc
	.globl	_Z8get_timev
	.type	_Z8get_timev, @function
_Z8get_timev:
.LFB2028:
	.cfi_startproc
	endbr64
	subq	$24, %rsp
	.cfi_def_cfa_offset 32
	movq	%fs:40, %rax
	movq	%rax, 8(%rsp)
	xorl	%eax, %eax
	movq	%rsp, %rdi
	call	cudaEventCreate@PLT
	movq	(%rsp), %rdi
	xorl	%esi, %esi
	call	cudaEventRecord@PLT
	movq	(%rsp), %rax
	movq	8(%rsp), %rdx
	subq	%fs:40, %rdx
	je	.L10
	call	__stack_chk_fail@PLT
.L10:
	addq	$24, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2028:
	.size	_Z8get_timev, .-_Z8get_timev
	.globl	_Z12genRandArrayPfj
	.type	_Z12genRandArrayPfj, @function
_Z12genRandArrayPfj:
.LFB2029:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movl	%esi, %esi
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	leaq	(%rdi,%rsi,4), %rbp
	movq	%rdi, %rbx
	pushq	%rdx
	.cfi_def_cfa_offset 32
.L13:
	cmpq	%rbp, %rbx
	je	.L16
	call	rand@PLT
	addq	$4, %rbx
	cvtsi2sdl	%eax, %xmm0
	divsd	.LC3(%rip), %xmm0
	cvtsd2ss	%xmm0, %xmm0
	movss	%xmm0, -4(%rbx)
	jmp	.L13
.L16:
	popq	%rax
	.cfi_def_cfa_offset 24
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2029:
	.size	_Z12genRandArrayPfj, .-_Z12genRandArrayPfj
	.globl	_Z34__device_stub__Z11squareArrayPfS_jPfS_j
	.type	_Z34__device_stub__Z11squareArrayPfS_jPfS_j, @function
_Z34__device_stub__Z11squareArrayPfS_jPfS_j:
.LFB2057:
	.cfi_startproc
	endbr64
	subq	$136, %rsp
	.cfi_def_cfa_offset 144
	movq	%rdi, 24(%rsp)
	leaq	40(%rsp), %rcx
	leaq	48(%rsp), %rdi
	movq	%rsi, 16(%rsp)
	leaq	60(%rsp), %rsi
	movl	%edx, 12(%rsp)
	leaq	32(%rsp), %rdx
	movq	%fs:40, %rax
	movq	%rax, 120(%rsp)
	xorl	%eax, %eax
	leaq	24(%rsp), %rax
	movl	$1, 56(%rsp)
	movq	%rax, 96(%rsp)
	leaq	16(%rsp), %rax
	movq	%rax, 104(%rsp)
	leaq	12(%rsp), %rax
	movq	%rax, 112(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 48(%rsp)
	movq	%rax, 60(%rsp)
	movl	$1, 68(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L17
	pushq	40(%rsp)
	.cfi_def_cfa_offset 152
	leaq	_Z11squareArrayPfS_j(%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
.L17:
	movq	120(%rsp), %rax
	subq	%fs:40, %rax
	je	.L19
	call	__stack_chk_fail@PLT
.L19:
	addq	$136, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2057:
	.size	_Z34__device_stub__Z11squareArrayPfS_jPfS_j, .-_Z34__device_stub__Z11squareArrayPfS_jPfS_j
	.globl	_Z11squareArrayPfS_j
	.type	_Z11squareArrayPfS_j, @function
_Z11squareArrayPfS_j:
.LFB2058:
	.cfi_startproc
	endbr64
	jmp	_Z34__device_stub__Z11squareArrayPfS_jPfS_j
	.cfi_endproc
.LFE2058:
	.size	_Z11squareArrayPfS_j, .-_Z11squareArrayPfS_j
	.globl	_Z13bchmkPagedMemv
	.type	_Z13bchmkPagedMemv, @function
_Z13bchmkPagedMemv:
.LFB2030:
	.cfi_startproc
	endbr64
	pushq	%r14
	.cfi_def_cfa_offset 16
	.cfi_offset 14, -16
	movabsq	$4294967297, %r14
	pushq	%r13
	.cfi_def_cfa_offset 24
	.cfi_offset 13, -24
	xorl	%r13d, %r13d
	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	$48, %rsp
	.cfi_def_cfa_offset 96
	movq	%fs:40, %rax
	movq	%rax, 40(%rsp)
	xorl	%eax, %eax
	call	_Z8get_timev
	movl	nBytes(%rip), %esi
	movq	%rsp, %rdi
	movq	%rax, %r12
	call	cudaMalloc@PLT
	movl	nBytes(%rip), %esi
	leaq	8(%rsp), %rdi
	call	cudaMalloc@PLT
	movl	nBytes(%rip), %ebp
	movq	%rbp, %rdi
	call	malloc@PLT
	movq	%rbp, %rdi
	movq	%rax, %rbx
	call	malloc@PLT
	movq	%rax, %rbp
.L23:
	cmpl	nIter(%rip), %r13d
	jnb	.L28
	movl	nElem(%rip), %esi
	movq	%rbx, %rdi
	call	_Z12genRandArrayPfj
	movl	nBytes(%rip), %edx
	movq	(%rsp), %rdi
	movq	%rbx, %rsi
	movl	$1, %ecx
	call	cudaMemcpy@PLT
	movq	%r14, 32(%rsp)
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movl	nThreads(%rip), %eax
	movl	36(%rsp), %ecx
	movq	%r14, 20(%rsp)
	movl	24(%rsp), %esi
	movl	%eax, 28(%rsp)
	movl	nBlocks(%rip), %eax
	movq	28(%rsp), %rdx
	movl	%eax, 16(%rsp)
	movq	16(%rsp), %rdi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L24
	movl	nElem(%rip), %edx
	movq	8(%rsp), %rsi
	movq	(%rsp), %rdi
	call	_Z34__device_stub__Z11squareArrayPfS_jPfS_j
.L24:
	movq	8(%rsp), %rsi
	movl	$2, %ecx
	movq	%rbp, %rdi
	incl	%r13d
	movl	nBytes(%rip), %edx
	call	cudaMemcpy@PLT
	jmp	.L23
.L28:
	movq	(%rsp), %rdi
	call	cudaFree@PLT
	movq	8(%rsp), %rdi
	call	cudaFree@PLT
	movq	%rbx, %rdi
	call	free@PLT
	movq	%rbp, %rdi
	call	free@PLT
	call	_Z8get_timev
	movq	%rax, %rbx
	movq	%rax, %rdi
	call	cudaEventSynchronize@PLT
	leaq	28(%rsp), %rdi
	movq	%rbx, %rdx
	movq	%r12, %rsi
	movl	$0x00000000, 28(%rsp)
	call	cudaEventElapsedTime@PLT
	movss	28(%rsp), %xmm0
	movq	40(%rsp), %rax
	subq	%fs:40, %rax
	je	.L26
	call	__stack_chk_fail@PLT
.L26:
	addq	$48, %rsp
	.cfi_def_cfa_offset 48
	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
.LFE2030:
	.size	_Z13bchmkPagedMemv, .-_Z13bchmkPagedMemv
	.globl	_Z14bchmkPinnedMemv
	.type	_Z14bchmkPinnedMemv, @function
_Z14bchmkPinnedMemv:
.LFB2031:
	.cfi_startproc
	endbr64
	pushq	%r12
	.cfi_def_cfa_offset 16
	.cfi_offset 12, -16
	movabsq	$4294967297, %r12
	pushq	%rbp
	.cfi_def_cfa_offset 24
	.cfi_offset 6, -24
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset 3, -32
	xorl	%ebx, %ebx
	subq	$64, %rsp
	.cfi_def_cfa_offset 96
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	xorl	%eax, %eax
	call	_Z8get_timev
	movl	nBytes(%rip), %esi
	leaq	16(%rsp), %rdi
	movq	%rax, %rbp
	call	cudaMalloc@PLT
	movl	nBytes(%rip), %esi
	leaq	24(%rsp), %rdi
	call	cudaMalloc@PLT
	movl	nBytes(%rip), %esi
	movq	%rsp, %rdi
	call	cudaMallocHost@PLT
	movl	nBytes(%rip), %esi
	leaq	8(%rsp), %rdi
	call	cudaMallocHost@PLT
.L30:
	cmpl	nIter(%rip), %ebx
	jnb	.L35
	movl	nElem(%rip), %esi
	movq	(%rsp), %rdi
	call	_Z12genRandArrayPfj
	movl	nBytes(%rip), %edx
	movq	(%rsp), %rsi
	movl	$1, %ecx
	movq	16(%rsp), %rdi
	call	cudaMemcpy@PLT
	movq	%r12, 48(%rsp)
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movl	nThreads(%rip), %eax
	movl	52(%rsp), %ecx
	movq	%r12, 36(%rsp)
	movl	40(%rsp), %esi
	movl	%eax, 44(%rsp)
	movl	nBlocks(%rip), %eax
	movq	44(%rsp), %rdx
	movl	%eax, 32(%rsp)
	movq	32(%rsp), %rdi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L31
	movl	nElem(%rip), %edx
	movq	24(%rsp), %rsi
	movq	16(%rsp), %rdi
	call	_Z34__device_stub__Z11squareArrayPfS_jPfS_j
.L31:
	movl	nBytes(%rip), %edx
	movq	24(%rsp), %rsi
	movl	$2, %ecx
	incl	%ebx
	movq	8(%rsp), %rdi
	call	cudaMemcpy@PLT
	jmp	.L30
.L35:
	movq	16(%rsp), %rdi
	call	cudaFree@PLT
	movq	24(%rsp), %rdi
	call	cudaFree@PLT
	movq	(%rsp), %rdi
	call	cudaFreeHost@PLT
	movq	8(%rsp), %rdi
	call	cudaFreeHost@PLT
	call	_Z8get_timev
	movq	%rax, %rbx
	movq	%rax, %rdi
	call	cudaEventSynchronize@PLT
	leaq	44(%rsp), %rdi
	movq	%rbx, %rdx
	movq	%rbp, %rsi
	movl	$0x00000000, 44(%rsp)
	call	cudaEventElapsedTime@PLT
	movss	44(%rsp), %xmm0
	movq	56(%rsp), %rax
	subq	%fs:40, %rax
	je	.L33
	call	__stack_chk_fail@PLT
.L33:
	addq	$64, %rsp
	.cfi_def_cfa_offset 32
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%rbp
	.cfi_def_cfa_offset 16
	popq	%r12
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2031:
	.size	_Z14bchmkPinnedMemv, .-_Z14bchmkPinnedMemv
	.section	.rodata.str1.1
.LC5:
	.string	"Usage: %s [nIterations] [arraySizeExponent].\n"
.LC6:
	.string	"Running %u iterations of squaring %u doubles using pageable memory...\n"
.LC7:
	.string	"\tElapsed: %f ms.\n"
.LC8:
	.string	"Running %u iterations of squaring %u doubles using pinned memory...\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2032:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	.cfi_offset 3, -24
	movq	%rsi, %rbx
	pushq	%rcx
	.cfi_def_cfa_offset 32
	cmpl	$3, %edi
	je	.L37
	movq	(%rsi), %rdx
	movl	$2, %edi
	xorl	%eax, %eax
	leaq	.LC5(%rip), %rsi
	call	__printf_chk@PLT
	movl	$1, %eax
	jmp	.L36
.L37:
	movq	8(%rsi), %rdi
	call	atoi@PLT
	movq	16(%rbx), %rdi
	leaq	.LC7(%rip), %rbx
	movl	%eax, %ebp
	movl	%eax, nIter(%rip)
	call	atoi@PLT
	movl	$2, %edx
	movl	nThreads(%rip), %esi
	movl	$2, %edi
	movl	%eax, %ecx
	sall	%cl, %edx
	leal	0(,%rdx,4), %eax
	movl	%edx, %ecx
	movl	%edx, nElem(%rip)
	xorl	%edx, %edx
	movl	%eax, nBytes(%rip)
	leal	-1(%rax,%rsi), %eax
	divl	%esi
	movl	%ebp, %edx
	leaq	.LC6(%rip), %rsi
	movl	%eax, nBlocks(%rip)
	xorl	%eax, %eax
	call	__printf_chk@PLT
	call	_Z13bchmkPagedMemv
	movq	%rbx, %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	%xmm0, %xmm0
	call	__printf_chk@PLT
	movl	$2, %edi
	xorl	%eax, %eax
	movl	nElem(%rip), %ecx
	movl	nIter(%rip), %edx
	leaq	.LC8(%rip), %rsi
	call	__printf_chk@PLT
	call	_Z14bchmkPinnedMemv
	movq	%rbx, %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	%xmm0, %xmm0
	call	__printf_chk@PLT
	xorl	%eax, %eax
.L36:
	popq	%rdx
	.cfi_def_cfa_offset 24
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2032:
	.size	main, .-main
	.section	.rodata.str1.1
.LC9:
	.string	"_Z11squareArrayPfS_j"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2060:
	.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	_Z11squareArrayPfS_j(%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
.LFE2060:
	.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	nThreads
	.data
	.align 4
	.type	nThreads, @object
	.size	nThreads, 4
nThreads:
	.long	64
	.globl	nBlocks
	.bss
	.align 4
	.type	nBlocks, @object
	.size	nBlocks, 4
nBlocks:
	.zero	4
	.globl	nBytes
	.align 4
	.type	nBytes, @object
	.size	nBytes, 4
nBytes:
	.zero	4
	.globl	nElem
	.align 4
	.type	nElem, @object
	.size	nElem, 4
nElem:
	.zero	4
	.globl	nIter
	.align 4
	.type	nIter, @object
	.size	nIter, 4
nIter:
	.zero	4
	.section	.rodata.cst8,"aM",@progbits,8
	.align 8
.LC3:
	.long	-1721342362
	.long	1102682521
	.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 <cstdlib>

__global__
/* Kernel to square array on GPU */
void squareArray(float *input, float *result, unsigned int n) {
	unsigned int idx = (blockIdx.x * blockDim.x) + threadIdx.x;
	if (idx < n) { 
		result[idx] = input[idx] * input[idx];
	}
}

unsigned int nIter; // number of iterations
unsigned int nElem, nBytes; // dim and mem size of array, 
unsigned int nBlocks; // number of blocks per grid
unsigned int nThreads = 64;

/* Print array of integers, 20 elements per line */
void printArray(const float * a, const char* name) {
	printf("Printing %s array:", name);
	for (int i = 0; i < nElem; i++) {
		if (i%20 == 0) {
			printf("\n");
		}
		printf("%2f", a[i]);
	}
	printf("\n");
}

__host__ hipEvent_t get_time(void)
{
	hipEvent_t time;
	hipEventCreate(&time);
	hipEventRecord(time);
	return time;
}

void genRandArray(float *arr, const unsigned int n) {
	for (int i = 0; i < n; i++) {
		arr[i] = rand() / (RAND_MAX / 5.0);
	}
}


float bchmkPagedMem() {
	hipEvent_t start = get_time(); // start time
	
	float *h_pagedIn, *h_pagedOut; // paged memory on host
	float *d_input, *d_result; // pointers for GPU arrays and allocate
	hipMalloc((void **)&d_input, nBytes); // device input
	hipMalloc((void **)&d_result, nBytes); // device output
	
	h_pagedIn = (float*) malloc(nBytes); // allocate input 
	h_pagedOut = (float*) malloc(nBytes); // allocate output 
	
	for (int it=0; it < nIter; it++) {
		genRandArray(h_pagedIn, nElem); // overwrite with random numbers
		hipMemcpy(d_input, h_pagedIn, nBytes, hipMemcpyHostToDevice); //copy
		
		// Execute the kernel
		squareArray<<<nBlocks, nThreads>>>(d_input, d_result, nElem);
		
		// Free the arrays on the GPU as now we're done with them 
		hipMemcpy( h_pagedOut, d_result, nBytes, hipMemcpyDeviceToHost );
	}

	hipFree(d_input); // Freeing memory 
	hipFree(d_result);
	free(h_pagedIn);
	free(h_pagedOut);
	
	hipEvent_t stop = get_time(); // stop time 
	hipEventSynchronize(stop); 
	
	float dur = 0;
	hipEventElapsedTime(&dur, start, stop); // calculate duration
	return dur;
}

float bchmkPinnedMem() {
	hipEvent_t start = get_time(); // start time
	
	float *h_pinnedIn, *h_pinnedOut; // paged memory on host
	float *d_input, *d_result; // pointers for GPU arrays and allocate
	hipMalloc((void **)&d_input, nBytes); // device input
	hipMalloc((void **)&d_result, nBytes); // device output
	
	hipHostMalloc((void**)&h_pinnedIn, nBytes, hipHostMallocDefault); // allocate input 
	hipHostMalloc((void**)&h_pinnedOut, nBytes, hipHostMallocDefault); // allocate output 
	
	for (int it=0; it < nIter; it++) {
		genRandArray(h_pinnedIn, nElem); // overwrite with random numbers
		hipMemcpy(d_input, h_pinnedIn, nBytes, hipMemcpyHostToDevice); //copy
		
		// Execute the kernel
		squareArray<<<nBlocks, nThreads>>>(d_input, d_result, nElem);
		
		// Free the arrays on the GPU as now we're done with them 
		hipMemcpy( h_pinnedOut, d_result, nBytes, hipMemcpyDeviceToHost );
	}
	
	hipFree(d_input); // freeing memory
	hipFree(d_result);
	hipHostFree(h_pinnedIn);
	hipHostFree(h_pinnedOut);
	
	hipEvent_t stop = get_time(); // stop time 
	hipEventSynchronize(stop); 
	
	float dur = 0;
	hipEventElapsedTime(&dur, start, stop); // calculate duration
	return dur;
}

int main(int argc, char* argv[]) {
	if (argc != 3) { // expect 2 cmd line args: nThreads and nBlocks
		printf("Usage: %s [nIterations] [arraySizeExponent].\n", argv[0]);
		return EXIT_FAILURE;
	}
	nIter = atoi(argv[1]);
	nElem = 2 << atoi(argv[2]); // number of elem in array
	nBytes = nElem * sizeof(float); // size of array 
	nBlocks = (nBytes+nThreads-1)/nThreads;
	
	printf("Running %u iterations of squaring %u doubles" 
		" using pageable memory...\n", nIter, nElem);
	float t1 = bchmkPagedMem();
	printf("\tElapsed: %f ms.\n", t1);
	
	printf("Running %u iterations of squaring %u doubles" 
		" using pinned memory...\n", nIter, nElem);
	float t2 = bchmkPinnedMem();
	printf("\tElapsed: %f ms.\n", t2);
	
	return EXIT_SUCCESS;
}
	.text
	.file	"mem_bchmk.hip"
	.globl	_Z26__device_stub__squareArrayPfS_j # -- Begin function _Z26__device_stub__squareArrayPfS_j
	.type	_Z26__device_stub__squareArrayPfS_j,@function
_Z26__device_stub__squareArrayPfS_j:    # @_Z26__device_stub__squareArrayPfS_j
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%r13
	.cfi_def_cfa_offset 32
	pushq	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$112, %rsp
	.cfi_def_cfa_offset 160
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	leaq	40(%rsp), %rax
	movq	%rdi, (%rax)
	leaq	32(%rsp), %rcx
	movq	%rsi, (%rcx)
	leaq	12(%rsp), %rsi
	movl	%edx, (%rsi)
	leaq	80(%rsp), %rbx
	movq	%rax, (%rbx)
	movq	%rcx, 8(%rbx)
	movq	%rsi, 16(%rbx)
	leaq	64(%rsp), %r14
	leaq	48(%rsp), %r15
	leaq	24(%rsp), %r12
	leaq	16(%rsp), %r13
	movq	%r14, %rdi
	movq	%r15, %rsi
	movq	%r12, %rdx
	movq	%r13, %rcx
	callq	__hipPopCallConfiguration
	movq	(%r14), %rsi
	movl	8(%r14), %edx
	movq	(%r15), %rcx
	movl	8(%r15), %r8d
	movl	$_Z11squareArrayPfS_j, %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	_Z26__device_stub__squareArrayPfS_j, .Lfunc_end0-_Z26__device_stub__squareArrayPfS_j
	.cfi_endproc
                                        # -- End function
	.globl	_Z10printArrayPKfPKc            # -- Begin function _Z10printArrayPKfPKc
	.type	_Z10printArrayPKfPKc,@function
_Z10printArrayPKfPKc:                   # @_Z10printArrayPKfPKc
	.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
	pushq	%rax
	.cfi_def_cfa_offset 48
	.cfi_offset %rbx, -40
	.cfi_offset %r12, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movq	%rdi, %rbx
	xorl	%r14d, %r14d
	movl	$.L.str, %edi
	xorl	%eax, %eax
	callq	printf
	cmpl	$0, nElem(%rip)
	je	.LBB1_5
# %bb.1:                                # %.lr.ph.preheader
	movl	$3435973837, %r15d              # imm = 0xCCCCCCCD
	xorl	%r12d, %r12d
.LBB1_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movl	%r12d, %eax
	imulq	%r15, %rax
	shrq	$36, %rax
	leal	(%rax,%rax,4), %eax
	shll	$2, %eax
	addl	%r14d, %eax
	jne	.LBB1_4
# %bb.3:                                #   in Loop: Header=BB1_2 Depth=1
	movl	$10, %edi
	callq	putchar@PLT
.LBB1_4:                                #   in Loop: Header=BB1_2 Depth=1
	xorps	%xmm0, %xmm0
	cvtss2sd	(%rbx,%r12,4), %xmm0
	movl	$.L.str.2, %edi
	movb	$1, %al
	callq	printf
	incq	%r12
	movl	nElem(%rip), %eax
	decl	%r14d
	cmpq	%rax, %r12
	jb	.LBB1_2
.LBB1_5:                                # %._crit_edge
	movl	$10, %edi
	addq	$8, %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
	jmp	putchar@PLT                     # TAILCALL
.Lfunc_end1:
	.size	_Z10printArrayPKfPKc, .Lfunc_end1-_Z10printArrayPKfPKc
	.cfi_endproc
                                        # -- End function
	.globl	_Z8get_timev                    # -- Begin function _Z8get_timev
	.type	_Z8get_timev,@function
_Z8get_timev:                           # @_Z8get_timev
	.cfi_startproc
# %bb.0:
	pushq	%rbx
	.cfi_def_cfa_offset 16
	subq	$16, %rsp
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -16
	leaq	8(%rsp), %rbx
	movq	%rbx, %rdi
	callq	hipEventCreate
	movq	(%rbx), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	(%rbx), %rax
	addq	$16, %rsp
	.cfi_def_cfa_offset 16
	popq	%rbx
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end2:
	.size	_Z8get_timev, .Lfunc_end2-_Z8get_timev
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function _Z12genRandArrayPfj
.LCPI3_0:
	.quad	0x41b9999999666666              # double 429496729.39999998
	.text
	.globl	_Z12genRandArrayPfj
	.type	_Z12genRandArrayPfj,@function
_Z12genRandArrayPfj:                    # @_Z12genRandArrayPfj
	.cfi_startproc
# %bb.0:
	testl	%esi, %esi
	je	.LBB3_4
# %bb.1:                                # %.lr.ph.preheader
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%rbx
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movq	%rdi, %rbx
	movl	%esi, %r14d
	xorl	%r15d, %r15d
.LBB3_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2sd	%eax, %xmm0
	divsd	.LCPI3_0(%rip), %xmm0
	cvtsd2ss	%xmm0, %xmm0
	movss	%xmm0, (%rbx,%r15,4)
	incq	%r15
	cmpq	%r15, %r14
	jne	.LBB3_2
# %bb.3:
	popq	%rbx
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	.cfi_restore %rbx
	.cfi_restore %r14
	.cfi_restore %r15
.LBB3_4:                                # %._crit_edge
	retq
.Lfunc_end3:
	.size	_Z12genRandArrayPfj, .Lfunc_end3-_Z12genRandArrayPfj
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function _Z13bchmkPagedMemv
.LCPI4_0:
	.quad	0x41b9999999666666              # double 429496729.39999998
	.text
	.globl	_Z13bchmkPagedMemv
	.type	_Z13bchmkPagedMemv,@function
_Z13bchmkPagedMemv:                     # @_Z13bchmkPagedMemv
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$40, %rsp
	.cfi_def_cfa_offset 96
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	leaq	24(%rsp), %rbx
	movq	%rbx, %rdi
	callq	hipEventCreate
	movq	(%rbx), %rdi
	xorl	%r12d, %r12d
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	(%rbx), %rax
	movq	%rax, 32(%rsp)                  # 8-byte Spill
	movl	nBytes(%rip), %esi
	leaq	16(%rsp), %rdi
	callq	hipMalloc
	movl	nBytes(%rip), %esi
	leaq	8(%rsp), %rdi
	callq	hipMalloc
	movl	nBytes(%rip), %r15d
	movq	%r15, %rdi
	callq	malloc
	movq	%rax, %r14
	movq	%r15, %rdi
	callq	malloc
	movq	%rax, %r15
	cmpl	$0, nIter(%rip)
	je	.LBB4_8
# %bb.1:                                # %.lr.ph.preheader
	movabsq	$4294967296, %r13               # imm = 0x100000000
.LBB4_2:                                # %.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB4_4 Depth 2
	movl	nElem(%rip), %ebp
	testq	%rbp, %rbp
	je	.LBB4_5
# %bb.3:                                # %.lr.ph.preheader.i
                                        #   in Loop: Header=BB4_2 Depth=1
	xorl	%ebx, %ebx
.LBB4_4:                                # %.lr.ph.i
                                        #   Parent Loop BB4_2 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	callq	rand
	movsd	.LCPI4_0(%rip), %xmm1           # xmm1 = mem[0],zero
	xorps	%xmm0, %xmm0
	cvtsi2sd	%eax, %xmm0
	divsd	%xmm1, %xmm0
	cvtsd2ss	%xmm0, %xmm0
	movss	%xmm0, (%r14,%rbx,4)
	incq	%rbx
	cmpq	%rbx, %rbp
	jne	.LBB4_4
.LBB4_5:                                # %_Z12genRandArrayPfj.exit
                                        #   in Loop: Header=BB4_2 Depth=1
	movq	16(%rsp), %rdi
	movl	nBytes(%rip), %edx
	movq	%r14, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	movl	nBlocks(%rip), %edi
	movl	nThreads(%rip), %edx
	orq	%r13, %rdi
	orq	%r13, %rdx
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB4_7
# %bb.6:                                #   in Loop: Header=BB4_2 Depth=1
	movq	16(%rsp), %rdi
	movq	8(%rsp), %rsi
	movl	nElem(%rip), %edx
	callq	_Z26__device_stub__squareArrayPfS_j
.LBB4_7:                                #   in Loop: Header=BB4_2 Depth=1
	movq	8(%rsp), %rsi
	movl	nBytes(%rip), %edx
	movq	%r15, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	incl	%r12d
	cmpl	nIter(%rip), %r12d
	jb	.LBB4_2
.LBB4_8:                                # %._crit_edge
	movq	16(%rsp), %rdi
	callq	hipFree
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	%r14, %rdi
	callq	free
	movq	%r15, %rdi
	callq	free
	leaq	24(%rsp), %r14
	movq	%r14, %rdi
	callq	hipEventCreate
	movq	(%r14), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	(%r14), %r15
	movq	%r15, %rdi
	callq	hipEventSynchronize
	movl	$0, (%r14)
	leaq	24(%rsp), %r14
	movq	%r14, %rdi
	movq	32(%rsp), %rsi                  # 8-byte Reload
	movq	%r15, %rdx
	callq	hipEventElapsedTime
	movss	(%r14), %xmm0                   # xmm0 = mem[0],zero,zero,zero
	addq	$40, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end4:
	.size	_Z13bchmkPagedMemv, .Lfunc_end4-_Z13bchmkPagedMemv
	.cfi_endproc
                                        # -- End function
	.section	.rodata.cst8,"aM",@progbits,8
	.p2align	3, 0x0                          # -- Begin function _Z14bchmkPinnedMemv
.LCPI5_0:
	.quad	0x41b9999999666666              # double 429496729.39999998
	.text
	.globl	_Z14bchmkPinnedMemv
	.type	_Z14bchmkPinnedMemv,@function
_Z14bchmkPinnedMemv:                    # @_Z14bchmkPinnedMemv
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%r15
	.cfi_def_cfa_offset 24
	pushq	%r14
	.cfi_def_cfa_offset 32
	pushq	%r13
	.cfi_def_cfa_offset 40
	pushq	%r12
	.cfi_def_cfa_offset 48
	pushq	%rbx
	.cfi_def_cfa_offset 56
	subq	$40, %rsp
	.cfi_def_cfa_offset 96
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	.cfi_offset %rbp, -16
	leaq	32(%rsp), %rbx
	movq	%rbx, %rdi
	callq	hipEventCreate
	movq	(%rbx), %rdi
	xorl	%r15d, %r15d
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	(%rbx), %rbx
	movl	nBytes(%rip), %esi
	leaq	8(%rsp), %rdi
	callq	hipMalloc
	movl	nBytes(%rip), %esi
	movq	%rsp, %rdi
	callq	hipMalloc
	movl	nBytes(%rip), %esi
	leaq	16(%rsp), %rdi
	xorl	%edx, %edx
	callq	hipHostMalloc
	movl	nBytes(%rip), %esi
	leaq	24(%rsp), %rdi
	xorl	%edx, %edx
	callq	hipHostMalloc
	cmpl	$0, nIter(%rip)
	je	.LBB5_9
# %bb.1:                                # %.lr.ph.preheader
	movabsq	$4294967296, %r12               # imm = 0x100000000
.LBB5_2:                                # %.lr.ph
                                        # =>This Loop Header: Depth=1
                                        #     Child Loop BB5_4 Depth 2
	movq	16(%rsp), %r14
	movl	nElem(%rip), %r13d
	testq	%r13, %r13
	je	.LBB5_6
# %bb.3:                                # %.lr.ph.preheader.i
                                        #   in Loop: Header=BB5_2 Depth=1
	xorl	%ebp, %ebp
.LBB5_4:                                # %.lr.ph.i
                                        #   Parent Loop BB5_2 Depth=1
                                        # =>  This Inner Loop Header: Depth=2
	callq	rand
	xorps	%xmm0, %xmm0
	cvtsi2sd	%eax, %xmm0
	divsd	.LCPI5_0(%rip), %xmm0
	cvtsd2ss	%xmm0, %xmm0
	movss	%xmm0, (%r14,%rbp,4)
	incq	%rbp
	cmpq	%rbp, %r13
	jne	.LBB5_4
# %bb.5:                                # %_Z12genRandArrayPfj.exit.loopexit
                                        #   in Loop: Header=BB5_2 Depth=1
	movq	16(%rsp), %r14
.LBB5_6:                                # %_Z12genRandArrayPfj.exit
                                        #   in Loop: Header=BB5_2 Depth=1
	movq	8(%rsp), %rdi
	movl	nBytes(%rip), %edx
	movq	%r14, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	movl	nBlocks(%rip), %edi
	movl	nThreads(%rip), %edx
	orq	%r12, %rdi
	orq	%r12, %rdx
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB5_8
# %bb.7:                                #   in Loop: Header=BB5_2 Depth=1
	movq	8(%rsp), %rdi
	movq	(%rsp), %rsi
	movl	nElem(%rip), %edx
	callq	_Z26__device_stub__squareArrayPfS_j
.LBB5_8:                                #   in Loop: Header=BB5_2 Depth=1
	movq	24(%rsp), %rdi
	movq	(%rsp), %rsi
	movl	nBytes(%rip), %edx
	movl	$2, %ecx
	callq	hipMemcpy
	incl	%r15d
	cmpl	nIter(%rip), %r15d
	jb	.LBB5_2
.LBB5_9:                                # %._crit_edge
	movq	8(%rsp), %rdi
	callq	hipFree
	movq	(%rsp), %rdi
	callq	hipFree
	movq	16(%rsp), %rdi
	callq	hipHostFree
	movq	24(%rsp), %rdi
	callq	hipHostFree
	leaq	32(%rsp), %r14
	movq	%r14, %rdi
	callq	hipEventCreate
	movq	(%r14), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	(%r14), %r15
	movq	%r15, %rdi
	callq	hipEventSynchronize
	movl	$0, (%r14)
	leaq	32(%rsp), %r14
	movq	%r14, %rdi
	movq	%rbx, %rsi
	movq	%r15, %rdx
	callq	hipEventElapsedTime
	movss	(%r14), %xmm0                   # xmm0 = mem[0],zero,zero,zero
	addq	$40, %rsp
	.cfi_def_cfa_offset 56
	popq	%rbx
	.cfi_def_cfa_offset 48
	popq	%r12
	.cfi_def_cfa_offset 40
	popq	%r13
	.cfi_def_cfa_offset 32
	popq	%r14
	.cfi_def_cfa_offset 24
	popq	%r15
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end5:
	.size	_Z14bchmkPinnedMemv, .Lfunc_end5-_Z14bchmkPinnedMemv
	.cfi_endproc
                                        # -- End function
	.globl	main                            # -- Begin function main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%rbp
	.cfi_def_cfa_offset 16
	pushq	%rbx
	.cfi_def_cfa_offset 24
	pushq	%rax
	.cfi_def_cfa_offset 32
	.cfi_offset %rbx, -24
	.cfi_offset %rbp, -16
	movq	%rsi, %rbx
	cmpl	$3, %edi
	jne	.LBB6_1
# %bb.2:
	movq	8(%rbx), %rdi
	callq	atoi
	movl	%eax, %ebp
	movl	%eax, nIter(%rip)
	movq	16(%rbx), %rdi
	callq	atoi
	movl	%eax, %ecx
	movl	$2, %r8d
	shll	%cl, %r8d
	movl	%r8d, nElem(%rip)
	movl	$8, %eax
                                        # kill: def $cl killed $cl killed $ecx
	shll	%cl, %eax
	movl	%eax, nBytes(%rip)
	movl	nThreads(%rip), %ecx
	addl	%ecx, %eax
	decl	%eax
	xorl	%ebx, %ebx
	xorl	%edx, %edx
	divl	%ecx
	movl	%eax, nBlocks(%rip)
	movl	$.L.str.4, %edi
	movl	%ebp, %esi
	movl	%r8d, %edx
	xorl	%eax, %eax
	callq	printf
	callq	_Z13bchmkPagedMemv
	cvtss2sd	%xmm0, %xmm0
	movl	$.L.str.5, %edi
	movb	$1, %al
	callq	printf
	movl	nIter(%rip), %esi
	movl	nElem(%rip), %edx
	movl	$.L.str.6, %edi
	xorl	%eax, %eax
	callq	printf
	callq	_Z14bchmkPinnedMemv
	cvtss2sd	%xmm0, %xmm0
	movl	$.L.str.5, %edi
	movb	$1, %al
	callq	printf
	jmp	.LBB6_3
.LBB6_1:
	movq	(%rbx), %rsi
	movl	$.L.str.3, %edi
	xorl	%eax, %eax
	callq	printf
	movl	$1, %ebx
.LBB6_3:
	movl	%ebx, %eax
	addq	$8, %rsp
	.cfi_def_cfa_offset 24
	popq	%rbx
	.cfi_def_cfa_offset 16
	popq	%rbp
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end6:
	.size	main, .Lfunc_end6-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	.LBB7_2
# %bb.1:
	movl	$__hip_fatbin_wrapper, %edi
	callq	__hipRegisterFatBinary
	movq	%rax, %rdi
	movq	%rax, __hip_gpubin_handle(%rip)
.LBB7_2:
	xorps	%xmm0, %xmm0
	movups	%xmm0, 16(%rsp)
	movups	%xmm0, (%rsp)
	movl	$_Z11squareArrayPfS_j, %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_end7:
	.size	__hip_module_ctor, .Lfunc_end7-__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	.LBB8_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
.LBB8_2:
	retq
.Lfunc_end8:
	.size	__hip_module_dtor, .Lfunc_end8-__hip_module_dtor
	.cfi_endproc
                                        # -- End function
	.type	_Z11squareArrayPfS_j,@object    # @_Z11squareArrayPfS_j
	.section	.rodata,"a",@progbits
	.globl	_Z11squareArrayPfS_j
	.p2align	3, 0x0
_Z11squareArrayPfS_j:
	.quad	_Z26__device_stub__squareArrayPfS_j
	.size	_Z11squareArrayPfS_j, 8

	.type	nIter,@object                   # @nIter
	.bss
	.globl	nIter
	.p2align	2, 0x0
nIter:
	.long	0                               # 0x0
	.size	nIter, 4

	.type	nElem,@object                   # @nElem
	.globl	nElem
	.p2align	2, 0x0
nElem:
	.long	0                               # 0x0
	.size	nElem, 4

	.type	nBytes,@object                  # @nBytes
	.globl	nBytes
	.p2align	2, 0x0
nBytes:
	.long	0                               # 0x0
	.size	nBytes, 4

	.type	nBlocks,@object                 # @nBlocks
	.globl	nBlocks
	.p2align	2, 0x0
nBlocks:
	.long	0                               # 0x0
	.size	nBlocks, 4

	.type	nThreads,@object                # @nThreads
	.data
	.globl	nThreads
	.p2align	2, 0x0
nThreads:
	.long	64                              # 0x40
	.size	nThreads, 4

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"Printing %s array:"
	.size	.L.str, 19

	.type	.L.str.2,@object                # @.str.2
.L.str.2:
	.asciz	"%2f"
	.size	.L.str.2, 4

	.type	.L.str.3,@object                # @.str.3
.L.str.3:
	.asciz	"Usage: %s [nIterations] [arraySizeExponent].\n"
	.size	.L.str.3, 46

	.type	.L.str.4,@object                # @.str.4
.L.str.4:
	.asciz	"Running %u iterations of squaring %u doubles using pageable memory...\n"
	.size	.L.str.4, 71

	.type	.L.str.5,@object                # @.str.5
.L.str.5:
	.asciz	"\tElapsed: %f ms.\n"
	.size	.L.str.5, 18

	.type	.L.str.6,@object                # @.str.6
.L.str.6:
	.asciz	"Running %u iterations of squaring %u doubles using pinned memory...\n"
	.size	.L.str.6, 69

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z11squareArrayPfS_j"
	.size	.L__unnamed_1, 21

	.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 _Z26__device_stub__squareArrayPfS_j
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z11squareArrayPfS_j
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z11squareArrayPfS_j    ; -- Begin function _Z11squareArrayPfS_j
	.globl	_Z11squareArrayPfS_j
	.p2align	8
	.type	_Z11squareArrayPfS_j,@function
_Z11squareArrayPfS_j:                   ; @_Z11squareArrayPfS_j
; %bb.0:
	s_clause 0x1
	s_load_b32 s2, s[0:1], 0x24
	s_load_b32 s3, s[0:1], 0x10
	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_cmpx_gt_u32_e64 s3, v1
	s_cbranch_execz .LBB0_2
; %bb.1:
	s_load_b128 s[0:3], s[0:1], 0x0
	v_mov_b32_e32 v2, 0
	s_delay_alu instid0(VALU_DEP_1) | instskip(SKIP_1) | instid1(VALU_DEP_1)
	v_lshlrev_b64 v[0:1], 2, v[1:2]
	s_waitcnt lgkmcnt(0)
	v_add_co_u32 v2, vcc_lo, s0, v0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v3, vcc_lo, s1, v1, vcc_lo
	v_add_co_u32 v0, vcc_lo, s2, v0
	v_add_co_ci_u32_e32 v1, vcc_lo, s3, v1, vcc_lo
	global_load_b32 v2, v[2:3], off
	s_waitcnt vmcnt(0)
	v_mul_f32_e32 v2, v2, v2
	global_store_b32 v[0:1], v2, off
.LBB0_2:
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z11squareArrayPfS_j
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 280
		.amdhsa_user_sgpr_count 15
		.amdhsa_user_sgpr_dispatch_ptr 0
		.amdhsa_user_sgpr_queue_ptr 0
		.amdhsa_user_sgpr_kernarg_segment_ptr 1
		.amdhsa_user_sgpr_dispatch_id 0
		.amdhsa_user_sgpr_private_segment_size 0
		.amdhsa_wavefront_size32 1
		.amdhsa_uses_dynamic_stack 0
		.amdhsa_enable_private_segment 0
		.amdhsa_system_sgpr_workgroup_id_x 1
		.amdhsa_system_sgpr_workgroup_id_y 0
		.amdhsa_system_sgpr_workgroup_id_z 0
		.amdhsa_system_sgpr_workgroup_info 0
		.amdhsa_system_vgpr_workitem_id 0
		.amdhsa_next_free_vgpr 4
		.amdhsa_next_free_sgpr 16
		.amdhsa_float_round_mode_32 0
		.amdhsa_float_round_mode_16_64 0
		.amdhsa_float_denorm_mode_32 3
		.amdhsa_float_denorm_mode_16_64 3
		.amdhsa_dx10_clamp 1
		.amdhsa_ieee_mode 1
		.amdhsa_fp16_overflow 0
		.amdhsa_workgroup_processor_mode 1
		.amdhsa_memory_ordered 1
		.amdhsa_forward_progress 0
		.amdhsa_shared_vgpr_count 0
		.amdhsa_exception_fp_ieee_invalid_op 0
		.amdhsa_exception_fp_denorm_src 0
		.amdhsa_exception_fp_ieee_div_zero 0
		.amdhsa_exception_fp_ieee_overflow 0
		.amdhsa_exception_fp_ieee_underflow 0
		.amdhsa_exception_fp_ieee_inexact 0
		.amdhsa_exception_int_div_zero 0
	.end_amdhsa_kernel
	.text
.Lfunc_end0:
	.size	_Z11squareArrayPfS_j, .Lfunc_end0-_Z11squareArrayPfS_j
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 152
; NumSgprs: 18
; NumVgprs: 4
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 4
; Occupancy: 16
; WaveLimiterHint : 0
; COMPUTE_PGM_RSRC2:SCRATCH_EN: 0
; COMPUTE_PGM_RSRC2:USER_SGPR: 15
; COMPUTE_PGM_RSRC2:TRAP_HANDLER: 0
; COMPUTE_PGM_RSRC2:TGID_X_EN: 1
; COMPUTE_PGM_RSRC2:TGID_Y_EN: 0
; COMPUTE_PGM_RSRC2:TGID_Z_EN: 0
; COMPUTE_PGM_RSRC2:TIDIG_COMP_CNT: 0
	.text
	.p2alignl 7, 3214868480
	.fill 96, 4, 3214868480
	.type	__hip_cuid_,@object             ; @__hip_cuid_
	.section	.bss,"aw",@nobits
	.globl	__hip_cuid_
__hip_cuid_:
	.byte	0                               ; 0x0
	.size	__hip_cuid_, 1

	.ident	"AMD clang version 18.0.0git (https://github.com/RadeonOpenCompute/llvm-project roc-6.3.2 25012 e5bf7e55c91490b07c49d8960fa7983d864936c4)"
	.section	".note.GNU-stack","",@progbits
	.addrsig
	.addrsig_sym __hip_cuid_
	.amdgpu_metadata
---
amdhsa.kernels:
  - .args:
      - .address_space:  global
        .offset:         0
        .size:           8
        .value_kind:     global_buffer
      - .address_space:  global
        .offset:         8
        .size:           8
        .value_kind:     global_buffer
      - .offset:         16
        .size:           4
        .value_kind:     by_value
      - .offset:         24
        .size:           4
        .value_kind:     hidden_block_count_x
      - .offset:         28
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         32
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         36
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         38
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         40
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         42
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         44
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         46
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         64
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         72
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         80
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         88
        .size:           2
        .value_kind:     hidden_grid_dims
    .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:           _Z11squareArrayPfS_j
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z11squareArrayPfS_j.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     4
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
