// File: /workspace/github_c_makefile_star2_O3/USArmyResearchLab[P]ARL_OpenSHMEM/test/atomic_fetch.c
// Function: main
int main (void)
{
	int i, npe;
	static int dest;
	static unsigned int t, tsum;
	static int pWrk[SHMEM_REDUCE_MIN_WRKDATA_SIZE];
	static long pSync[SHMEM_REDUCE_SYNC_SIZE];
	for (i = 0; i < SHMEM_REDUCE_SYNC_SIZE; i++) {
		pSync[i] = SHMEM_SYNC_VALUE;
	}

	shmem_init();
	int me = shmem_my_pe();
	int npes = shmem_n_pes();

	if (me == 0) {
		printf("# SHMEM Atomic Fetch Performance for variable NPES\n"
			"# NPES\tLatency (nanoseconds)\n");
	}

	for (npe = 2; npe <= npes; npe++)
	{
		int nxtpe = me + 1;
		if (nxtpe >= npe) nxtpe -= npe;

		shmem_barrier_all();
		ctimer_start();

		if (me < npe) {
			t = ctimer();
			for (i = 0; i < NLOOP; i++) {
				shmem_int_atomic_fetch(&dest, nxtpe);
			}
			t -= ctimer();
			shmem_int_sum_to_all(&tsum, &t, 1, 0, 0, npe, pWrk, pSync);
		}


		if (me == 0) {
			unsigned int nsec = ctimer_nsec(tsum / (npe * NLOOP));
			printf("%5d %7u\n", npe, nsec);
		}
	}
	shmem_finalize();

	return 0;
}

// Assembly:
pushq %rbp
movq %rsp, %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x18, %rsp
xorpd %xmm0, %xmm0
movapd %xmm0, 0x4de7(%rip)     # 0x61d0
movapd %xmm0, 0x4dcf(%rip)     # 0x61c0
movapd %xmm0, 0x4db7(%rip)     # 0x61b0
movapd %xmm0, 0x4d9f(%rip)     # 0x61a0
movapd %xmm0, 0x4d87(%rip)     # 0x6190
callq 0x1608
leaq 0x4d2b(%rip), %rax      # 0x6140
movl (%rax), %r14d
leaq 0x4d25(%rip), %rax      # 0x6144
movl (%rax), %r13d
testl %r14d, %r14d
jne 0x1433
leaq 0x2bfb(%rip), %rdi      # 0x4029
callq 0x1080
cmpl $0x2, %r13d
jl 0x15e5
leal 0x1(%r14), %eax
movl %eax, -0x2c(%rbp)
movl $0x2, %ebx
leaq 0x4d10(%rip), %r12      # 0x6160
movl %r13d, -0x30(%rbp)
cmpl %ebx, -0x2c(%rbp)
movl %ebx, %r15d
movl $0x0, %eax
cmovll %eax, %r15d
callq 0x15fc
leaq 0x4d71(%rip), %rdi      # 0x61e0
xorl %esi, %esi
callq 0x1120
cmpl %ebx, %r14d
jge 0x15b0
movl -0x2c(%rbp), %r13d
subl %r15d, %r13d
leaq -0x40(%rbp), %rdi
xorl %esi, %esi
callq 0x1120
movq -0x40(%rbp), %rax
movq -0x38(%rbp), %rcx
subq 0x4d40(%rip), %rax      # 0x61e0
xorps %xmm0, %xmm0
cvtsi2sd %rax, %xmm0
subq 0x4d39(%rip), %rcx      # 0x61e8
xorps %xmm1, %xmm1
cvtsi2sd %rcx, %xmm1
mulsd 0x2b49(%rip), %xmm1     # 0x4008
mulsd 0x2b49(%rip), %xmm0     # 0x4010
addsd %xmm1, %xmm0
cvttsd2si %xmm0, %rax
movq %rax, %rcx
sarq $0x3f, %rcx
subsd 0x2b39(%rip), %xmm0     # 0x4018
cvttsd2si %xmm0, %rdx
andl %ecx, %edx
orl %edx, %eax
notl %eax
movl %eax, 0x4c74(%rip)      # 0x6164
movl $0x2710, %r15d          # imm = 0x2710
movq %r12, %rdi
movl %r13d, %esi
callq 0x2ff4
decl %r15d
jne 0x14f6
leaq -0x40(%rbp), %rdi
xorl %esi, %esi
callq 0x1120
movq -0x40(%rbp), %rax
movq -0x38(%rbp), %rcx
subq 0x4cc0(%rip), %rax      # 0x61e0
xorps %xmm0, %xmm0
cvtsi2sd %rax, %xmm0
subq 0x4cb9(%rip), %rcx      # 0x61e8
xorps %xmm1, %xmm1
cvtsi2sd %rcx, %xmm1
mulsd 0x2ac9(%rip), %xmm1     # 0x4008
mulsd 0x2ac9(%rip), %xmm0     # 0x4010
addsd %xmm1, %xmm0
cvttsd2si %xmm0, %rax
movq %rax, %rcx
sarq $0x3f, %rcx
subsd 0x2ab9(%rip), %xmm0     # 0x4018
cvttsd2si %xmm0, %rdx
andl %ecx, %edx
orl %edx, %eax
movl 0x4bf6(%rip), %ecx      # 0x6164
addl %ecx, %eax
incl %eax
movl %eax, 0x4bec(%rip)      # 0x6164
leaq 0x4be9(%rip), %rdi      # 0x6168
leaq 0x4bde(%rip), %rsi      # 0x6164
movl $0x1, %edx
xorl %ecx, %ecx
xorl %r8d, %r8d
movl %ebx, %r9d
leaq 0x4bf6(%rip), %rax      # 0x6190
pushq %rax
leaq 0x4bce(%rip), %rax      # 0x6170
pushq %rax
callq 0x3000
addq $0x10, %rsp
movl -0x30(%rbp), %r13d
testl %r14d, %r14d
jne 0x15d7
movl 0x4bad(%rip), %eax      # 0x6168
imull $0x2710, %ebx, %ecx     # imm = 0x2710
xorl %edx, %edx
divl %ecx
leaq 0x2a54(%rip), %rdi      # 0x4020
movl %ebx, %esi
movl %eax, %edx
xorl %eax, %eax
callq 0x10f0
leal 0x1(%rbx), %eax
cmpl %r13d, %ebx
movl %eax, %ebx
jne 0x1454
callq 0x1c09
xorl %eax, %eax
addq $0x18, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq
nop