@Klee It looks like the version you compiled is a bit faster over the minute if I am reading that right.
I should have ran the test for a little while longer so I did.
Locally compiled:
[2018-03-22 19:09:23] speed 2.5s/60s/15m 900.9 900.7 900.9 H/s max: 903.2 H/s
[2018-03-22 19:09:32] accepted (75/0) diff 20000 (137 ms)
[2018-03-22 19:09:38] speed 2.5s/60s/15m 901.2 900.8 900.9 H/s max: 903.2 H/s
[2018-03-22 19:09:53] speed 2.5s/60s/15m 900.8 900.9 900.9 H/s max: 903.2 H/s
[2018-03-22 19:09:59] accepted (76/0) diff 20000 (80 ms)
[2018-03-22 19:10:08] speed 2.5s/60s/15m 901.2 900.9 900.9 H/s max: 903.2 H/s
[2018-03-22 19:10:10] accepted (77/0) diff 20000 (81 ms)
[2018-03-22 19:10:11] accepted (78/0) diff 20000 (80 ms)
[2018-03-22 19:10:23] speed 2.5s/60s/15m 900.7 900.9 900.9 H/s max: 903.2 H/s
[2018-03-22 19:10:38] speed 2.5s/60s/15m 900.6 900.8 900.9 H/s max: 903.2 H/s
[2018-03-22 19:10:53] speed 2.5s/60s/15m 900.9 900.7 900.9 H/s max: 903.2 H/s
[2018-03-22 19:11:03] accepted (79/0) diff 20000 (81 ms)
[2018-03-22 19:11:03] accepted (80/0) diff 20000 (80 ms)
[2018-03-22 19:11:08] speed 2.5s/60s/15m 901.2 900.7 900.9 H/s max: 903.2 H/s
[2018-03-22 19:11:13] new job from xmr-usa.dwarfpool.com:8005 diff 20000
[2018-03-22 19:11:23] speed 2.5s/60s/15m 900.8 900.8 900.9 H/s max: 903.2 H/s
[2018-03-22 19:11:35] accepted (81/0) diff 20000 (132 ms)
[2018-03-22 19:11:38] speed 2.5s/60s/15m 901.5 900.9 900.9 H/s max: 903.2 H/s
[2018-03-22 19:11:53] speed 2.5s/60s/15m 901.1 900.9 900.9 H/s max: 903.2 H/s
[2018-03-22 19:12:08] speed 2.5s/60s/15m 901.2 901.0 900.9 H/s max: 903.2 H/s
Precompiled binary:
[2018-03-22 19:39:03] speed 2.5s/60s/15m 899.4 899.4 899.5 H/s max: 903.3 H/s
[2018-03-22 19:39:14] accepted (77/0) diff 20000 (81 ms)
[2018-03-22 19:39:18] speed 2.5s/60s/15m 899.4 899.3 899.5 H/s max: 903.3 H/s
[2018-03-22 19:39:25] accepted (78/0) diff 20000 (81 ms)
[2018-03-22 19:39:33] speed 2.5s/60s/15m 899.5 899.4 899.5 H/s max: 903.3 H/s
[2018-03-22 19:39:48] speed 2.5s/60s/15m 899.3 899.4 899.5 H/s max: 903.3 H/s
[2018-03-22 19:39:53] accepted (79/0) diff 20000 (110 ms)
[2018-03-22 19:40:02] accepted (80/0) diff 20000 (94 ms)
[2018-03-22 19:40:03] speed 2.5s/60s/15m 899.6 899.4 899.5 H/s max: 903.3 H/s
[2018-03-22 19:40:06] accepted (81/0) diff 20000 (102 ms)
[2018-03-22 19:40:16] accepted (82/0) diff 20000 (81 ms)
[2018-03-22 19:40:18] speed 2.5s/60s/15m 899.3 899.5 899.5 H/s max: 903.3 H/s
[2018-03-22 19:40:22] accepted (83/0) diff 20000 (81 ms)
[2018-03-22 19:40:31] accepted (84/0) diff 20000 (81 ms)
[2018-03-22 19:40:33] speed 2.5s/60s/15m 899.2 899.5 899.5 H/s max: 903.3 H/s
[2018-03-22 19:40:35] accepted (85/0) diff 20000 (81 ms)
[2018-03-22 19:40:48] speed 2.5s/60s/15m 898.5 899.4 899.5 H/s max: 903.3 H/s
[2018-03-22 19:40:55] accepted (86/0) diff 20000 (81 ms)
[2018-03-22 19:41:03] speed 2.5s/60s/15m 899.4 899.3 899.5 H/s max: 903.3 H/s
[2018-03-22 19:41:04] new job from xmr-usa.dwarfpool.com:8005 diff 20000
[2018-03-22 19:41:18] speed 2.5s/60s/15m 899.7 899.3 899.5 H/s max: 903.3 H/s
So after it runs for a while the locally compiled xmrig is ever so slightly faster.