`````md
# some title
:::::::::::::: {.columns}
::: {.column width="49%"}
## Julia
```julia
function go_faster(a)
trace = 0.0
for i in axes(a, 1)
trace += tanh(a[i, i])
end
return a .+ trace
end
```
:::
::: {.column width="49%"}
## Python (Numba)
```python
@jit(nopython=True)
def go_fast(a):
trace = 0.0
for i in range(a.shape[0]):
trace += np.tanh(a[i, i])
return a + trace
```
:::
::::::::::::::
`````