IF you use Juno?
#CPUtic()
function testInv(n)
MM = rand(Float64,n,n)
mmm = inv(MM)
end
@time testInv(10000);
47.049461 seconds (2.82 k allocations: 1.495 GiB, 0.36% gc time)
Matlab
tic()
MM=rand(10000,10000);
mmm=inv(MM);
toc()
Elapsed time is 23.070654 seconds.
Jupyter
43.998483 seconds (1.19 M allocations: 1.552 GiB, 0.19% gc time)