#include <stdio.h>
#include <pthread.h>

struct th_args {
    int *nfh;
    int *nfd;
    int dev_num;
};

int N, cnt_dev;

__global__ void initFun(int *nf) {
    int n = threadIdx.x + blockIdx.x * blockDim.x;
    nf[n] *= 10;
}

void *stream(void *args) {
    struct th_args *info_dev = (struct th_args *) args;

    cudaSetDevice(info_dev->dev_num);

    cudaMalloc((void **) &info_dev->nfd, (N / cnt_dev) * sizeof(int));
    cudaMallocHost((void **) &info_dev->nfh, (N / cnt_dev) * sizeof(int));
 
    for (int n = 0; n < N / cnt_dev; n++)
        info_dev->nfh[n] = n + info_dev->dev_num * N / cnt_dev;

    cudaMemcpyAsync(info_dev->nfd, info_dev->nfh, (N / cnt_dev) * sizeof(int),
                cudaMemcpyHostToDevice);
   
    initFun <<< N / cnt_dev / 32, 32, 0 >>>(info_dev->nfd);

    cudaMemcpyAsync(info_dev->nfh, info_dev->nfd, (N / cnt_dev) * sizeof(int),
                cudaMemcpyDeviceToHost);

    pthread_exit(NULL);
}

int main(int argc, char* argv[]) {
    if (argc < 2) {
        fprintf(stderr, "USAGE: main <num_of_devices>\n");
        return -1;
    }

    cnt_dev = atoi(argv[1]);
    N = atoi(argv[2]);

    float elapsed_time;
    
    //printf("%d\n", N);

    cudaEvent_t start, stop;
    cudaEventCreate(&start);
    cudaEventCreate(&stop);

    pthread_t tid[cnt_dev];
    struct th_args *args = (struct th_args *) calloc(cnt_dev, sizeof(struct th_args));

    for (int i = 0; i < cnt_dev; i++) {
        args[i].dev_num = i;
    }

    cudaEventRecord(start, 0);

    for (int i = 0; i < cnt_dev; i++) {
        pthread_create(&tid[i], NULL, stream, (void *) &args[i]);
    }

    for (int i = 0; i < cnt_dev; i++) {
        pthread_join(tid[i], NULL);
    }

    cudaSetDevice(args[0].dev_num);
    cudaEventRecord(stop, 0);
    cudaEventSynchronize(stop);
    cudaEventElapsedTime(&elapsed_time, start, stop);
    printf("%f\n", elapsed_time);

    /*for (int i = 0; i < cnt_dev; i++) {
        for (int n = 0; n < N / cnt_dev; n++)
            fprintf(stderr, "nfh[%d][%d] = %d\n", i, n, args[i].nfh[n]);
    }*/

    for (int i = 0; i < cnt_dev; i++) {   
        cudaFree(args[i].nfd);
        cudaFreeHost(args[i].nfh);
        cudaDeviceReset();
    }

    return 0;
}
	.file	"tmpxft_002d8055_00000000-6_lab7_posix.cudafe1.cpp"
	.text
#APP

#NO_APP
	.type	_ZL26__cudaUnregisterBinaryUtilv, @function
_ZL26__cudaUnregisterBinaryUtilv:
.LFB2040:
	.cfi_startproc
	endbr64
	movq	_ZL20__cudaFatCubinHandle(%rip), %rdi
	jmp	__cudaUnregisterFatBinary@PLT
	.cfi_endproc
.LFE2040:
	.size	_ZL26__cudaUnregisterBinaryUtilv, .-_ZL26__cudaUnregisterBinaryUtilv
	.section	.rodata.str1.1,"aMS",@progbits,1
.LC0:
	.string	"USAGE: main <num_of_devices>\n"
.LC1:
	.string	"%f\n"
	.section	.text.startup,"ax",@progbits
	.globl	main
	.type	main, @function
main:
.LFB2037:
	.cfi_startproc
	endbr64
	pushq	%rbp
	.cfi_def_cfa_offset 16
	.cfi_offset 6, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register 6
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	subq	$56, %rsp
	.cfi_offset 15, -24
	.cfi_offset 14, -32
	.cfi_offset 13, -40
	.cfi_offset 12, -48
	.cfi_offset 3, -56
	movq	%fs:40, %rax
	movq	%rax, -56(%rbp)
	xorl	%eax, %eax
	decl	%edi
	jg	.L3
	movq	stderr(%rip), %rdi
	leaq	.LC0(%rip), %rdx
	movl	$2, %esi
	call	__fprintf_chk@PLT
	orl	$-1, %eax
	jmp	.L2
.L3:
	movq	8(%rsi), %rdi
	movq	%rsi, %rbx
	call	atoi@PLT
	movq	16(%rbx), %rdi
	movl	%eax, cnt_dev(%rip)
	call	atoi@PLT
	leaq	-72(%rbp), %rdi
	movl	%eax, N(%rip)
	call	cudaEventCreate@PLT
	leaq	-64(%rbp), %rdi
	call	cudaEventCreate@PLT
	movslq	cnt_dev(%rip), %rdi
	movq	%rsp, %rcx
	leaq	15(,%rdi,8), %rdx
	movq	%rdi, %r12
	movq	%rdx, %rax
	andq	$-4096, %rdx
	andq	$-16, %rax
	subq	%rdx, %rcx
.L5:
	cmpq	%rcx, %rsp
	je	.L6
	subq	$4096, %rsp
	orq	$0, 4088(%rsp)
	jmp	.L5
.L6:
	andl	$4095, %eax
	subq	%rax, %rsp
	testq	%rax, %rax
	je	.L7
	orq	$0, -8(%rsp,%rax)
.L7:
	movl	$24, %esi
	movq	%rsp, %r14
	call	calloc@PLT
	movq	%rax, %rbx
	xorl	%eax, %eax
.L8:
	cmpl	%eax, %r12d
	jle	.L22
	imulq	$24, %rax, %rdx
	movl	%eax, 16(%rbx,%rdx)
	incq	%rax
	jmp	.L8
.L22:
	movq	-72(%rbp), %rdi
	xorl	%esi, %esi
	movq	%r14, %r15
	movq	%rbx, %r12
	xorl	%r13d, %r13d
	call	cudaEventRecord@PLT
	movq	%rbx, %rcx
.L10:
	cmpl	%r13d, cnt_dev(%rip)
	jle	.L23
	movq	%r15, %rdi
	leaq	_Z6streamPv(%rip), %rdx
	xorl	%esi, %esi
	movq	%rcx, -88(%rbp)
	call	pthread_create@PLT
	movq	-88(%rbp), %rcx
	incl	%r13d
	addq	$8, %r15
	addq	$24, %rcx
	jmp	.L10
.L23:
	xorl	%r13d, %r13d
.L12:
	cmpl	%r13d, cnt_dev(%rip)
	jle	.L24
	movq	(%r14,%r13,8), %rdi
	xorl	%esi, %esi
	incq	%r13
	call	pthread_join@PLT
	jmp	.L12
.L24:
	movl	16(%rbx), %edi
	xorl	%ebx, %ebx
	call	cudaSetDevice@PLT
	movq	-64(%rbp), %rdi
	xorl	%esi, %esi
	call	cudaEventRecord@PLT
	movq	-64(%rbp), %rdi
	call	cudaEventSynchronize@PLT
	movq	-64(%rbp), %rdx
	movq	-72(%rbp), %rsi
	leaq	-76(%rbp), %rdi
	call	cudaEventElapsedTime@PLT
	leaq	.LC1(%rip), %rsi
	movl	$2, %edi
	movb	$1, %al
	cvtss2sd	-76(%rbp), %xmm0
	call	__printf_chk@PLT
.L14:
	cmpl	%ebx, cnt_dev(%rip)
	jle	.L25
	movq	8(%r12), %rdi
	incl	%ebx
	addq	$24, %r12
	call	cudaFree@PLT
	movq	-24(%r12), %rdi
	call	cudaFreeHost@PLT
	call	cudaDeviceReset@PLT
	jmp	.L14
.L25:
	xorl	%eax, %eax
.L2:
	movq	-56(%rbp), %rdx
	subq	%fs:40, %rdx
	je	.L16
	call	__stack_chk_fail@PLT
.L16:
	leaq	-40(%rbp), %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	.cfi_def_cfa 7, 8
	ret
	.cfi_endproc
.LFE2037:
	.size	main, .-main
	.text
	.globl	_Z26__device_stub__Z7initFunPiPi
	.type	_Z26__device_stub__Z7initFunPiPi, @function
_Z26__device_stub__Z7initFunPiPi:
.LFB2062:
	.cfi_startproc
	endbr64
	subq	$104, %rsp
	.cfi_def_cfa_offset 112
	movq	%rdi, 8(%rsp)
	leaq	24(%rsp), %rcx
	leaq	16(%rsp), %rdx
	leaq	44(%rsp), %rsi
	leaq	32(%rsp), %rdi
	movq	%fs:40, %rax
	movq	%rax, 88(%rsp)
	xorl	%eax, %eax
	leaq	8(%rsp), %rax
	movl	$1, 40(%rsp)
	movq	%rax, 80(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 32(%rsp)
	movq	%rax, 44(%rsp)
	movl	$1, 52(%rsp)
	call	__cudaPopCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L26
	pushq	24(%rsp)
	.cfi_def_cfa_offset 120
	leaq	_Z7initFunPi(%rip), %rdi
	pushq	24(%rsp)
	.cfi_def_cfa_offset 128
	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 120
	popq	%rdx
	.cfi_def_cfa_offset 112
.L26:
	movq	88(%rsp), %rax
	subq	%fs:40, %rax
	je	.L28
	call	__stack_chk_fail@PLT
.L28:
	addq	$104, %rsp
	.cfi_def_cfa_offset 8
	ret
	.cfi_endproc
.LFE2062:
	.size	_Z26__device_stub__Z7initFunPiPi, .-_Z26__device_stub__Z7initFunPiPi
	.globl	_Z7initFunPi
	.type	_Z7initFunPi, @function
_Z7initFunPi:
.LFB2063:
	.cfi_startproc
	endbr64
	jmp	_Z26__device_stub__Z7initFunPiPi
	.cfi_endproc
.LFE2063:
	.size	_Z7initFunPi, .-_Z7initFunPi
	.globl	_Z6streamPv
	.type	_Z6streamPv, @function
_Z6streamPv:
.LFB2036:
	.cfi_startproc
	endbr64
	pushq	%rbx
	.cfi_def_cfa_offset 16
	.cfi_offset 3, -16
	movq	%rdi, %rbx
	subq	$32, %rsp
	.cfi_def_cfa_offset 48
	movl	16(%rdi), %edi
	call	cudaSetDevice@PLT
	movl	N(%rip), %eax
	leaq	8(%rbx), %rdi
	cltd
	idivl	cnt_dev(%rip)
	cltq
	leaq	0(,%rax,4), %rsi
	call	cudaMalloc@PLT
	movl	N(%rip), %eax
	movq	%rbx, %rdi
	cltd
	idivl	cnt_dev(%rip)
	cltq
	leaq	0(,%rax,4), %rsi
	call	cudaMallocHost@PLT
	movq	(%rbx), %r9
	xorl	%esi, %esi
.L32:
	movl	N(%rip), %ecx
	movl	cnt_dev(%rip), %edi
	movl	%ecx, %eax
	cltd
	idivl	%edi
	cmpl	%esi, %eax
	jle	.L36
	movl	16(%rbx), %eax
	imull	%ecx, %eax
	cltd
	idivl	%edi
	addl	%esi, %eax
	movl	%eax, (%r9,%rsi,4)
	incq	%rsi
	jmp	.L32
.L36:
	movq	8(%rbx), %rdi
	cltq
	xorl	%r8d, %r8d
	movq	%r9, %rsi
	leaq	0(,%rax,4), %rdx
	movl	$1, %ecx
	call	cudaMemcpyAsync@PLT
	movl	$32, %ecx
	xorl	%r9d, %r9d
	xorl	%r8d, %r8d
	movl	N(%rip), %eax
	cltd
	idivl	cnt_dev(%rip)
	cltd
	idivl	%ecx
	movl	$134217729, %edx
	movl	$1, %ecx
	salq	$5, %rdx
	movl	%eax, 8(%rsp)
	movabsq	$4294967297, %rax
	movq	%rax, 12(%rsp)
	movq	8(%rsp), %rdi
	movl	16(%rsp), %esi
	call	__cudaPushCallConfiguration@PLT
	testl	%eax, %eax
	jne	.L34
	movq	8(%rbx), %rdi
	call	_Z26__device_stub__Z7initFunPiPi
.L34:
	movq	(%rbx), %rdi
	movq	8(%rbx), %rsi
	xorl	%r8d, %r8d
	movl	$2, %ecx
	movl	N(%rip), %eax
	cltd
	idivl	cnt_dev(%rip)
	cltq
	leaq	0(,%rax,4), %rdx
	call	cudaMemcpyAsync@PLT
	xorl	%edi, %edi
	call	pthread_exit@PLT
	.cfi_endproc
.LFE2036:
	.size	_Z6streamPv, .-_Z6streamPv
	.section	.rodata.str1.1
.LC2:
	.string	"_Z7initFunPi"
	.section	.text.startup
	.type	_ZL24__sti____cudaRegisterAllv, @function
_ZL24__sti____cudaRegisterAllv:
.LFB2065:
	.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	.LC2(%rip), %rdx
	movq	%rax, %rdi
	leaq	_Z7initFunPi(%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
.LFE2065:
	.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	cnt_dev
	.bss
	.align 4
	.type	cnt_dev, @object
	.size	cnt_dev, 4
cnt_dev:
	.zero	4
	.globl	N
	.align 4
	.type	N, @object
	.size	N, 4
N:
	.zero	4
	.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 <pthread.h>

struct th_args {
    int *nfh;
    int *nfd;
    int dev_num;
};

int N, cnt_dev;

__global__ void initFun(int *nf) {
    int n = threadIdx.x + blockIdx.x * blockDim.x;
    nf[n] *= 10;
}

void *stream(void *args) {
    struct th_args *info_dev = (struct th_args *) args;

    hipSetDevice(info_dev->dev_num);

    hipMalloc((void **) &info_dev->nfd, (N / cnt_dev) * sizeof(int));
    hipHostMalloc((void **) &info_dev->nfh, (N / cnt_dev) * sizeof(int), hipHostMallocDefault);
 
    for (int n = 0; n < N / cnt_dev; n++)
        info_dev->nfh[n] = n + info_dev->dev_num * N / cnt_dev;

    hipMemcpyAsync(info_dev->nfd, info_dev->nfh, (N / cnt_dev) * sizeof(int),
                hipMemcpyHostToDevice);
   
    initFun <<< N / cnt_dev / 32, 32, 0 >>>(info_dev->nfd);

    hipMemcpyAsync(info_dev->nfh, info_dev->nfd, (N / cnt_dev) * sizeof(int),
                hipMemcpyDeviceToHost);

    pthread_exit(NULL);
}

int main(int argc, char* argv[]) {
    if (argc < 2) {
        fprintf(stderr, "USAGE: main <num_of_devices>\n");
        return -1;
    }

    cnt_dev = atoi(argv[1]);
    N = atoi(argv[2]);

    float elapsed_time;
    
    //printf("%d\n", N);

    hipEvent_t start, stop;
    hipEventCreate(&start);
    hipEventCreate(&stop);

    pthread_t tid[cnt_dev];
    struct th_args *args = (struct th_args *) calloc(cnt_dev, sizeof(struct th_args));

    for (int i = 0; i < cnt_dev; i++) {
        args[i].dev_num = i;
    }

    hipEventRecord(start, 0);

    for (int i = 0; i < cnt_dev; i++) {
        pthread_create(&tid[i], NULL, stream, (void *) &args[i]);
    }

    for (int i = 0; i < cnt_dev; i++) {
        pthread_join(tid[i], NULL);
    }

    hipSetDevice(args[0].dev_num);
    hipEventRecord(stop, 0);
    hipEventSynchronize(stop);
    hipEventElapsedTime(&elapsed_time, start, stop);
    printf("%f\n", elapsed_time);

    /*for (int i = 0; i < cnt_dev; i++) {
        for (int n = 0; n < N / cnt_dev; n++)
            fprintf(stderr, "nfh[%d][%d] = %d\n", i, n, args[i].nfh[n]);
    }*/

    for (int i = 0; i < cnt_dev; i++) {   
        hipFree(args[i].nfd);
        hipHostFree(args[i].nfh);
        hipDeviceReset();
    }

    return 0;
}
	.text
	.file	"lab7_posix.hip"
	.globl	_Z22__device_stub__initFunPi    # -- Begin function _Z22__device_stub__initFunPi
	.type	_Z22__device_stub__initFunPi,@function
_Z22__device_stub__initFunPi:           # @_Z22__device_stub__initFunPi
	.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	$64, %rsp
	.cfi_def_cfa_offset 112
	.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)
	movq	%rsp, %rbx
	movq	%rax, (%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	$_Z7initFunPi, %edi
	movq	%rbx, %r9
	pushq	(%r13)
	.cfi_adjust_cfa_offset 8
	pushq	(%r12)
	.cfi_adjust_cfa_offset 8
	callq	hipLaunchKernel
	addq	$80, %rsp
	.cfi_adjust_cfa_offset -80
	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	_Z22__device_stub__initFunPi, .Lfunc_end0-_Z22__device_stub__initFunPi
	.cfi_endproc
                                        # -- End function
	.globl	_Z6streamPv                     # -- Begin function _Z6streamPv
	.type	_Z6streamPv,@function
_Z6streamPv:                            # @_Z6streamPv
	.cfi_startproc
# %bb.0:
	pushq	%r14
	.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 %r14, -16
	movq	%rdi, %rbx
	movl	16(%rdi), %edi
	callq	hipSetDevice
	movl	N(%rip), %eax
	cltd
	idivl	cnt_dev(%rip)
	leaq	8(%rbx), %r14
	movslq	%eax, %rsi
	shlq	$2, %rsi
	movq	%r14, %rdi
	callq	hipMalloc
	movl	N(%rip), %eax
	cltd
	idivl	cnt_dev(%rip)
	movslq	%eax, %rsi
	shlq	$2, %rsi
	movq	%rbx, %rdi
	xorl	%edx, %edx
	callq	hipHostMalloc
	movl	N(%rip), %ecx
	movl	cnt_dev(%rip), %edi
	movl	%ecx, %eax
	cltd
	idivl	%edi
	movq	(%rbx), %rsi
	testl	%eax, %eax
	jle	.LBB1_3
# %bb.1:                                # %.lr.ph.preheader
	xorl	%r8d, %r8d
.LBB1_2:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	imull	16(%rbx), %ecx
	movl	%ecx, %eax
	cltd
	idivl	%edi
	addl	%r8d, %eax
	movl	%eax, (%rsi,%r8,4)
	incq	%r8
	movl	N(%rip), %ecx
	movl	cnt_dev(%rip), %edi
	movl	%ecx, %eax
	cltd
	idivl	%edi
	movslq	%eax, %rdx
	cmpq	%rdx, %r8
	jl	.LBB1_2
	jmp	.LBB1_4
.LBB1_3:                                # %.._crit_edge_crit_edge
	movslq	%eax, %rdx
.LBB1_4:                                # %._crit_edge
	movq	(%r14), %rdi
	shlq	$2, %rdx
	movl	$1, %ecx
	xorl	%r8d, %r8d
	callq	hipMemcpyAsync
	movl	N(%rip), %eax
	cltd
	idivl	cnt_dev(%rip)
                                        # kill: def $eax killed $eax def $rax
	leal	31(%rax), %edi
	testl	%eax, %eax
	cmovnsl	%eax, %edi
	sarl	$5, %edi
	btsq	$32, %rdi
	movabsq	$4294967296, %rdx               # imm = 0x100000000
	orq	$32, %rdx
	movl	$1, %esi
	movl	$1, %ecx
	xorl	%r8d, %r8d
	xorl	%r9d, %r9d
	callq	__hipPushCallConfiguration
	testl	%eax, %eax
	jne	.LBB1_6
# %bb.5:
	movq	(%r14), %rdi
	callq	_Z22__device_stub__initFunPi
.LBB1_6:
	movq	(%rbx), %rdi
	movq	8(%rbx), %rsi
	movl	N(%rip), %eax
	cltd
	idivl	cnt_dev(%rip)
	movslq	%eax, %rdx
	shlq	$2, %rdx
	movl	$2, %ecx
	xorl	%r8d, %r8d
	callq	hipMemcpyAsync
	xorl	%edi, %edi
	callq	pthread_exit
.Lfunc_end1:
	.size	_Z6streamPv, .Lfunc_end1-_Z6streamPv
	.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
	.cfi_offset %rbp, -16
	movq	%rsp, %rbp
	.cfi_def_cfa_register %rbp
	pushq	%r15
	pushq	%r14
	pushq	%r13
	pushq	%r12
	pushq	%rbx
	subq	$40, %rsp
	.cfi_offset %rbx, -56
	.cfi_offset %r12, -48
	.cfi_offset %r13, -40
	.cfi_offset %r14, -32
	.cfi_offset %r15, -24
	cmpl	$1, %edi
	jle	.LBB2_1
# %bb.2:
	movq	%rsi, %rbx
	movq	8(%rsi), %rdi
	callq	atoi
	movl	%eax, cnt_dev(%rip)
	movq	16(%rbx), %rdi
	callq	atoi
	movl	%eax, N(%rip)
	leaq	-56(%rbp), %rdi
	callq	hipEventCreate
	leaq	-48(%rbp), %rdi
	callq	hipEventCreate
	movq	%rsp, %r12
	movl	cnt_dev(%rip), %eax
	movq	%rsp, %r13
	leaq	15(,%rax,8), %rax
	andq	$-16, %rax
	subq	%rax, %r13
	movq	%r13, %rsp
	movslq	cnt_dev(%rip), %r14
	movl	$24, %esi
	movq	%r14, %rdi
	callq	calloc
	movq	%rax, %rbx
	testq	%r14, %r14
	jle	.LBB2_5
# %bb.3:                                # %.lr.ph.preheader
	movl	%r14d, %eax
	leaq	16(%rbx), %rcx
	xorl	%edx, %edx
.LBB2_4:                                # %.lr.ph
                                        # =>This Inner Loop Header: Depth=1
	movl	%edx, (%rcx)
	incq	%rdx
	addq	$24, %rcx
	cmpq	%rdx, %rax
	jne	.LBB2_4
.LBB2_5:                                # %._crit_edge
	movq	-56(%rbp), %rdi
	xorl	%esi, %esi
	callq	hipEventRecord
	cmpl	$0, cnt_dev(%rip)
	jle	.LBB2_11
# %bb.6:                                # %.lr.ph31.preheader
	movq	%r12, -64(%rbp)                 # 8-byte Spill
	xorl	%r12d, %r12d
	movq	%r13, %r14
	movq	%rbx, %r15
.LBB2_7:                                # %.lr.ph31
                                        # =>This Inner Loop Header: Depth=1
	movl	$_Z6streamPv, %edx
	movq	%r14, %rdi
	xorl	%esi, %esi
	movq	%r15, %rcx
	callq	pthread_create
	incq	%r12
	movslq	cnt_dev(%rip), %rax
	addq	$24, %r15
	addq	$8, %r14
	cmpq	%rax, %r12
	jl	.LBB2_7
# %bb.8:                                # %.preheader
	testl	%eax, %eax
	movq	-64(%rbp), %r12                 # 8-byte Reload
	jle	.LBB2_11
# %bb.9:                                # %.lr.ph33.preheader
	xorl	%r14d, %r14d
.LBB2_10:                               # %.lr.ph33
                                        # =>This Inner Loop Header: Depth=1
	movq	(%r13,%r14,8), %rdi
	xorl	%esi, %esi
	callq	pthread_join
	incq	%r14
	movslq	cnt_dev(%rip), %rax
	cmpq	%rax, %r14
	jl	.LBB2_10
.LBB2_11:                               # %._crit_edge34
	movl	16(%rbx), %edi
	callq	hipSetDevice
	movq	-48(%rbp), %rdi
	xorl	%r14d, %r14d
	xorl	%esi, %esi
	callq	hipEventRecord
	movq	-48(%rbp), %rdi
	callq	hipEventSynchronize
	movq	-56(%rbp), %rsi
	movq	-48(%rbp), %rdx
	leaq	-68(%rbp), %r15
	movq	%r15, %rdi
	callq	hipEventElapsedTime
	cvtss2sd	(%r15), %xmm0
	movl	$.L.str.1, %edi
	movb	$1, %al
	callq	printf
	cmpl	$0, cnt_dev(%rip)
	jle	.LBB2_14
# %bb.12:                               # %.lr.ph37.preheader
	addq	$8, %rbx
	xorl	%r15d, %r15d
.LBB2_13:                               # %.lr.ph37
                                        # =>This Inner Loop Header: Depth=1
	movq	(%rbx), %rdi
	callq	hipFree
	movq	-8(%rbx), %rdi
	callq	hipHostFree
	callq	hipDeviceReset
	incq	%r15
	movslq	cnt_dev(%rip), %rax
	addq	$24, %rbx
	cmpq	%rax, %r15
	jl	.LBB2_13
.LBB2_14:                               # %._crit_edge38
	movq	%r12, %rsp
.LBB2_15:
	movl	%r14d, %eax
	leaq	-40(%rbp), %rsp
	popq	%rbx
	popq	%r12
	popq	%r13
	popq	%r14
	popq	%r15
	popq	%rbp
	.cfi_def_cfa %rsp, 8
	retq
.LBB2_1:
	.cfi_def_cfa %rbp, 16
	movq	stderr(%rip), %rcx
	movl	$.L.str, %edi
	movl	$29, %esi
	movl	$1, %edx
	callq	fwrite@PLT
	movl	$-1, %r14d
	jmp	.LBB2_15
.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	$_Z7initFunPi, %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	N,@object                       # @N
	.bss
	.globl	N
	.p2align	2, 0x0
N:
	.long	0                               # 0x0
	.size	N, 4

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

	.type	_Z7initFunPi,@object            # @_Z7initFunPi
	.section	.rodata,"a",@progbits
	.globl	_Z7initFunPi
	.p2align	3, 0x0
_Z7initFunPi:
	.quad	_Z22__device_stub__initFunPi
	.size	_Z7initFunPi, 8

	.type	.L.str,@object                  # @.str
	.section	.rodata.str1.1,"aMS",@progbits,1
.L.str:
	.asciz	"USAGE: main <num_of_devices>\n"
	.size	.L.str, 30

	.type	.L.str.1,@object                # @.str.1
.L.str.1:
	.asciz	"%f\n"
	.size	.L.str.1, 4

	.type	.L__unnamed_1,@object           # @0
.L__unnamed_1:
	.asciz	"_Z7initFunPi"
	.size	.L__unnamed_1, 13

	.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 _Z22__device_stub__initFunPi
	.addrsig_sym _Z6streamPv
	.addrsig_sym __hip_module_ctor
	.addrsig_sym __hip_module_dtor
	.addrsig_sym _Z7initFunPi
	.addrsig_sym __hip_fatbin
	.addrsig_sym __hip_fatbin_wrapper
	.addrsig_sym __hip_cuid_

	.text
	.amdgcn_target "amdgcn-amd-amdhsa--gfx1100"
	.protected	_Z7initFunPi            ; -- Begin function _Z7initFunPi
	.globl	_Z7initFunPi
	.p2align	8
	.type	_Z7initFunPi,@function
_Z7initFunPi:                           ; @_Z7initFunPi
; %bb.0:
	s_clause 0x1
	s_load_b32 s2, s[0:1], 0x14
	s_load_b64 s[0:1], s[0:1], 0x0
	s_waitcnt lgkmcnt(0)
	s_and_b32 s2, s2, 0xffff
	s_delay_alu instid0(SALU_CYCLE_1) | instskip(NEXT) | instid1(VALU_DEP_1)
	v_mad_u64_u32 v[1:2], null, s15, s2, v[0:1]
	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 v0, vcc_lo, s0, v0
	s_delay_alu instid0(VALU_DEP_2)
	v_add_co_ci_u32_e32 v1, vcc_lo, s1, v1, vcc_lo
	global_load_b32 v2, v[0:1], off
	s_waitcnt vmcnt(0)
	v_mul_lo_u32 v2, v2, 10
	global_store_b32 v[0:1], v2, off
	s_nop 0
	s_sendmsg sendmsg(MSG_DEALLOC_VGPRS)
	s_endpgm
	.section	.rodata,"a",@progbits
	.p2align	6, 0x0
	.amdhsa_kernel _Z7initFunPi
		.amdhsa_group_segment_fixed_size 0
		.amdhsa_private_segment_fixed_size 0
		.amdhsa_kernarg_size 264
		.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 3
		.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	_Z7initFunPi, .Lfunc_end0-_Z7initFunPi
                                        ; -- End function
	.section	.AMDGPU.csdata,"",@progbits
; Kernel info:
; codeLenInByte = 116
; NumSgprs: 18
; NumVgprs: 3
; ScratchSize: 0
; MemoryBound: 0
; FloatMode: 240
; IeeeMode: 1
; LDSByteSize: 0 bytes/workgroup (compile time only)
; SGPRBlocks: 2
; VGPRBlocks: 0
; NumSGPRsForWavesPerEU: 18
; NumVGPRsForWavesPerEU: 3
; 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:     hidden_block_count_x
      - .offset:         12
        .size:           4
        .value_kind:     hidden_block_count_y
      - .offset:         16
        .size:           4
        .value_kind:     hidden_block_count_z
      - .offset:         20
        .size:           2
        .value_kind:     hidden_group_size_x
      - .offset:         22
        .size:           2
        .value_kind:     hidden_group_size_y
      - .offset:         24
        .size:           2
        .value_kind:     hidden_group_size_z
      - .offset:         26
        .size:           2
        .value_kind:     hidden_remainder_x
      - .offset:         28
        .size:           2
        .value_kind:     hidden_remainder_y
      - .offset:         30
        .size:           2
        .value_kind:     hidden_remainder_z
      - .offset:         48
        .size:           8
        .value_kind:     hidden_global_offset_x
      - .offset:         56
        .size:           8
        .value_kind:     hidden_global_offset_y
      - .offset:         64
        .size:           8
        .value_kind:     hidden_global_offset_z
      - .offset:         72
        .size:           2
        .value_kind:     hidden_grid_dims
    .group_segment_fixed_size: 0
    .kernarg_segment_align: 8
    .kernarg_segment_size: 264
    .language:       OpenCL C
    .language_version:
      - 2
      - 0
    .max_flat_workgroup_size: 1024
    .name:           _Z7initFunPi
    .private_segment_fixed_size: 0
    .sgpr_count:     18
    .sgpr_spill_count: 0
    .symbol:         _Z7initFunPi.kd
    .uniform_work_group_size: 1
    .uses_dynamic_stack: false
    .vgpr_count:     3
    .vgpr_spill_count: 0
    .wavefront_size: 32
    .workgroup_processor_mode: 1
amdhsa.target:   amdgcn-amd-amdhsa--gfx1100
amdhsa.version:
  - 1
  - 2
...

	.end_amdgpu_metadata
