#include <cstdio>

// main program for the CPU: compiled by MS-VC++
int main(void) {
	// host-side data
	const int SIZE = 5;
	const int a[SIZE] = { 1, 2, 3, 4, 5 };
	int b[SIZE] = { 0, 0, 0, 0, 0 };
	// print source
	printf("a = {%d,%d,%d,%d,%d}\n", a[0], a[1], a[2], a[3], a[4]);
	// device-side data
	int* dev_a = 0;
	int* dev_b = 0;
	// allocate device memory
	cudaMalloc((void**)&dev_a, SIZE * sizeof(int));
	cudaMalloc((void**)&dev_b, SIZE * sizeof(int));
	// copy from host to device
	cudaMemcpy(dev_a, a, SIZE * sizeof(int), cudaMemcpyHostToDevice); // dev_a = a;
	// copy from device to device
	cudaMemcpy(dev_b, dev_a, SIZE * sizeof(int), cudaMemcpyDeviceToDevice); // dev_b = dev_a;
	// copy from device to host
	cudaMemcpy(b, dev_b, SIZE * sizeof(int), cudaMemcpyDeviceToHost); // b = dev_b;
	// free device memory
	cudaFree(dev_a);
	cudaFree(dev_b);
	// print the result
	printf("b = {%d,%d,%d,%d,%d}\n", b[0], b[1], b[2], b[3], b[4]);
	// done
	return 0;
}


	.file	"tmpxft_0037ddbd_00000000-6_02C-memcpy.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2030:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2030:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"a = {%d,%d,%d,%d,%d}\n"
.LC1:
	.string	"b = {%d,%d,%d,%d,%d}\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2027:
	.cfi_startproc
	endbr64
	subq	$72, %rsp
	.cfi_def_cfa_offset 80
	movl	$5, %ecx
	movl	$3, %r8d
	movl	$4, %r9d
	movq	%fs:40, %rax
	movq	%rax, 56(%rsp)
	movabsq	$8589934593, %rax
	leaq	36(%rsp), %rdi
	leaq	.LC0(%rip), %rsi
	movl	$5, 32(%rsp)
	movq	%rax, 16(%rsp)
	movabsq	$17179869187, %rax
	movq	%rax, 24(%rsp)
	xorl	%eax, %eax
	rep stosl
	pushq	%rdx
	.cfi_def_cfa_offset 88
	movl	$2, %ecx
	movl	$1, %edx
	pushq	$5
	.cfi_def_cfa_offset 96
	movl	$2, %edi
	call	__printf_chk@PLT
	xorl	%ecx, %ecx
	movq	%rcx, 16(%rsp)
	movq	%rcx, 24(%rsp)
	popq	%rsi
	.cfi_def_cfa_offset 88
	movl	$20, %esi
	popq	%rdi
	.cfi_def_cfa_offset 80
	movq	%rsp, %rdi
	call	cudaMalloc@PLT
	leaq	8(%rsp), %rdi
	movl	$20, %esi
	call	cudaMalloc@PLT
	movq	(%rsp), %rdi
	leaq	16(%rsp), %rsi
	movl	$1, %ecx
	movl	$20, %edx
	call	cudaMemcpy@PLT
	movq	(%rsp), %rsi
	movq	8(%rsp), %rdi
	movl	$3, %ecx
	movl	$20, %edx
	call	cudaMemcpy@PLT
	movq	8(%rsp), %rsi
	leaq	36(%rsp), %rdi
	movl	$2, %ecx
	movl	$20, %edx
	call	cudaMemcpy@PLT
	movq	(%rsp), %rdi
	call	cudaFree@PLT
	movq	8(%rsp), %rdi
	call	cudaFree@PLT
	leaq	.LC1(%rip), %rsi
	movl	$2, %edi
	pushq	%r8
	.cfi_def_cfa_offset 88
	movl	60(%rsp), %eax
	pushq	%rax
	.cfi_def_cfa_offset 96
	movl	64(%rsp), %r9d
	xorl	%eax, %eax
	movl	60(%rsp), %r8d
	movl	56(%rsp), %ecx
	movl	52(%rsp), %edx
	call	__printf_chk@PLT
	popq	%r9
	.cfi_def_cfa_offset 88
	popq	%r10
	.cfi_def_cfa_offset 80
	movq	56(%rsp), %rax
	subq	%fs:40, %rax
	je	.L3
	call	__stack_chk_fail@PLT
.L3:
	xorl	%eax, %eax
	addq	$72, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2027:
	.size	main, .-main
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2053:
	.cfi_startproc
	endbr64
	pushq	%rax
	.cfi_def_cfa_offset 16
	leaq	_ZL15__fatDeviceText(%rip), %rdi
	call	__cudaRegisterFatBinary@PLT
	movq	%rax, %rdi
	movq	%rax, _ZL20__cudaFatCubinHandle(%rip)
	call	__cudaRegisterFatBinaryEnd@PLT
	leaq	_ZL26__cudaUnregisterBinaryUtilv(%rip), %rdi
	popq	%rdx
	.cfi_def_cfa_offset 8
	jmp	atexit@PLT
	.cfi_endproc
.LFE2053:
	.size	_ZL24__sti____cudaRegisterAllv, .-_ZL24__sti____cudaRegisterAllv
	.section	.init_array,"aw"
	.align 8
	.quad	_ZL24__sti____cudaRegisterAllv
	.section	.nvFatBinSegment,"aw"
	.align 8
	.type	_ZL15__fatDeviceText, @object
	.size	_ZL15__fatDeviceText, 24
_ZL15__fatDeviceText:
	.long	1180844977
	.long	1
	.quad	fatbinData
	.quad	0
	.local	_ZL20__cudaFatCubinHandle
	.comm	_ZL20__cudaFatCubinHandle,8,8
	.ident	"GCC: (Ubuntu 13.3.0-6ubuntu2~24.04) 13.3.0"
	.section	.note.GNU-stack,"",@progbits
	.section	.note.gnu.property,"a"
	.align 8
	.long	1f - 0f
	.long	4f - 1f
	.long	5
0:
	.string	"GNU"
1:
	.align 8
	.long	0xc0000002
	.long	3f - 2f
2:
	.long	0x3
3:
	.align 8
4:


#include <hip/hip_runtime.h>
#include <cstdio>

// main program for the CPU: compiled by MS-VC++
int main(void) {
	// host-side data
	const int SIZE = 5;
	const int a[SIZE] = { 1, 2, 3, 4, 5 };
	int b[SIZE] = { 0, 0, 0, 0, 0 };
	// print source
	printf("a = {%d,%d,%d,%d,%d}\n", a[0], a[1], a[2], a[3], a[4]);
	// device-side data
	int* dev_a = 0;
	int* dev_b = 0;
	// allocate device memory
	hipMalloc((void**)&dev_a, SIZE * sizeof(int));
	hipMalloc((void**)&dev_b, SIZE * sizeof(int));
	// copy from host to device
	hipMemcpy(dev_a, a, SIZE * sizeof(int), hipMemcpyHostToDevice); // dev_a = a;
	// copy from device to device
	hipMemcpy(dev_b, dev_a, SIZE * sizeof(int), hipMemcpyDeviceToDevice); // dev_b = dev_a;
	// copy from device to host
	hipMemcpy(b, dev_b, SIZE * sizeof(int), hipMemcpyDeviceToHost); // b = dev_b;
	// free device memory
	hipFree(dev_a);
	hipFree(dev_b);
	// print the result
	printf("b = {%d,%d,%d,%d,%d}\n", b[0], b[1], b[2], b[3], b[4]);
	// done
	return 0;
}


	.text
	.file	"02C-memcpy.hip"
	.section	.rodata.cst16,"aM",@progbits,16
	.p2align	4, 0x0                          # -- Begin function main
.LCPI0_0:
	.long	1                               # 0x1
	.long	2                               # 0x2
	.long	3                               # 0x3
	.long	4                               # 0x4
	.text
	.globl	main
	.type	main,@function
main:                                   # @main
	.cfi_startproc
# %bb.0:
	pushq	%r15
	.cfi_def_cfa_offset 16
	pushq	%r14
	.cfi_def_cfa_offset 24
	pushq	%r13
	.cfi_def_cfa_offset 32
	pushq	%r12
	.cfi_def_cfa_offset 40
	pushq	%rbx
	.cfi_def_cfa_offset 48
	subq	$80, %rsp
	.cfi_def_cfa_offset 128
	.cfi_offset %rbx, -48
	.cfi_offset %r12, -40
	.cfi_offset %r13, -32
	.cfi_offset %r14, -24
	.cfi_offset %r15, -16
	movaps	.LCPI0_0(%rip), %xmm0           # xmm0 = [1,2,3,4]
	leaq	48(%rsp), %r12
	movaps	%xmm0, (%r12)
	movl	$5, 16(%r12)
	xorps	%xmm0, %xmm0
	leaq	16(%rsp), %rbx
	movaps	%xmm0, (%rbx)
	movl	$0, 16(%rbx)
	xorl	%r13d, %r13d
	movl	$.L.str, %edi
	movl	$1, %esi
	movl	$2, %edx
	movl	$3, %ecx
	movl	$4, %r8d
	movl	$5, %r9d
	xorl	%eax, %eax
	callq	printf
	leaq	8(%rsp), %r15
	movq	%r13, (%r15)
	movq	%rsp, %r14
	movq	%r13, (%r14)
	movl	$20, %esi
	movq	%r15, %rdi
	callq	hipMalloc
	movl	$20, %esi
	movq	%r14, %rdi
	callq	hipMalloc
	movq	(%r15), %rdi
	movl	$20, %edx
	movq	%r12, %rsi
	movl	$1, %ecx
	callq	hipMemcpy
	movq	(%r14), %rdi
	movq	(%r15), %rsi
	movl	$20, %edx
	movl	$3, %ecx
	callq	hipMemcpy
	movq	(%r14), %rsi
	movl	$20, %edx
	movq	%rbx, %rdi
	movl	$2, %ecx
	callq	hipMemcpy
	movq	(%r15), %rdi
	callq	hipFree
	movq	(%r14), %rdi
	callq	hipFree
	movl	(%rbx), %esi
	movl	4(%rbx), %edx
	movl	8(%rbx), %ecx
	movl	12(%rbx), %r8d
	movl	16(%rbx), %r9d
	movl	$.L.str.1, %edi
	xorl	%eax, %eax
	callq	printf
	xorl	%eax, %eax
	addq	$80, %rsp
	.cfi_def_cfa_offset 48
	popq	%rbx
	.cfi_def_cfa_offset 40
	popq	%r12
	.cfi_def_cfa_offset 32
	popq	%r13
	.cfi_def_cfa_offset 24
	popq	%r14
	.cfi_def_cfa_offset 16
	popq	%r15
	.cfi_def_cfa_offset 8
	retq
.Lfunc_end0:
	.size	main, .Lfunc_end0-main
	.cfi_endproc
                                        # -- End function
	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"a = {%d,%d,%d,%d,%d}\n"
	.size	.L.str, 22

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"b = {%d,%d,%d,%d,%d}\n"
	.size	.L.str.1, 22

	.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 __hip_cuid_

	.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_
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.amdgpu_metadata
---
amdhsa.kernels:  []
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
