<s>
Octeract	B-Application
Engine	I-Application
is	O
a	O
proprietary	O
massively	B-Operating_System
parallel	I-Operating_System
deterministic	O
global	O
optimization	O
solver	O
for	O
general	O
Mixed-Integer	O
Nonlinear	O
Programs	O
(	O
MINLP	O
)	O
.	O
</s>
<s>
It	O
uses	O
MPI	B-Application
as	O
a	O
means	O
of	O
accelerating	O
solution	O
times	O
.	O
</s>
<s>
Octeract	B-Application
Engine	I-Application
was	O
developed	O
by	O
Nikos	O
Kazazakis	O
and	O
Gabriel	O
Lau	O
.	O
</s>
<s>
The	O
first	O
public	O
beta	O
version	O
of	O
Octeract	B-Application
Engine	I-Application
was	O
released	O
in	O
August	O
2019	O
and	O
it	O
came	O
out	O
of	O
beta	O
in	O
August	O
2020	O
.	O
</s>
<s>
Octeract	B-Application
Engine	I-Application
exhibits	O
world-class	O
performance	O
on	O
a	O
single	O
thread	O
,	O
and	O
also	O
has	O
the	O
ability	O
to	O
speed	O
up	O
these	O
single	O
thread	O
solution	O
times	O
by	O
many	O
times	O
through	O
supercomputing	O
.	O
</s>
<s>
In	O
January	O
2023	O
,	O
it	O
became	O
the	O
first	O
solver	O
to	O
ever	O
solve	O
99%	O
of	O
problems	O
in	O
this	O
benchmark	O
,	O
followed	O
by	O
BARON	B-Application
(	O
84%	O
)	O
,	O
and	O
SCIP	O
(	O
74%	O
)	O
.	O
</s>
<s>
Octeract	B-Application
Engine	I-Application
is	O
predominantly	O
a	O
branch-and-bound	O
solver	O
,	O
although	O
it	O
has	O
been	O
known	O
to	O
use	O
other	O
specialized	O
techniques	O
to	O
exploit	O
special	O
structure	O
,	O
such	O
as	O
the	O
Sherali-Smith	O
reformulation	O
.	O
</s>
<s>
Octeract	B-Application
Engine	I-Application
can	O
read	O
and	O
write	O
.nl	O
,	O
.lp	O
and	O
.mps	O
files	O
.	O
</s>
<s>
Octeract	B-Application
Engine	I-Application
can	O
be	O
run	O
directly	O
or	O
invoked	O
as	O
a	O
C++	O
library	O
.	O
</s>
<s>
Like	O
all	O
deterministic	O
global	O
optimization	O
software	O
,	O
Octeract	B-Application
Engine	I-Application
requires	O
the	O
explicit	O
mathematical	O
expressions	O
for	O
all	O
functions	O
used	O
in	O
the	O
problem	O
.	O
</s>
