ghex_p2p_ft_mt n=5000000 size=1	inflight=10

					nthreads
					1	2	4	8	16
SINGLE  				0.58	-	-	-	-
MULTI + no locks			0.82	-	-	-	-
MULTI + omp critical			0.95	5.5	4.0	7.2	10
MULTI + pthread lck			0.97	3.9	6.0	6.8	6.9
MULTI + std::lock			0.96	4.1	5.9	6.8	6.9

SERIAL + no locks			0.65	-	-	-	-
SERIAL + omp				0.80	2.0	2.8	6.0	8.3
SERIAL + pthread			0.82	3.5	5.0	5.9	6.1
SERIAL + std::lock			0.82	3.5	5.1	5.9	6.2

native UCX lock			only	0.82	2.0	2.9	4.0	6.5
