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Replace deprecated tic/toc timers with qe.Timer in kesten_processes #330

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Merged
jstac merged 2 commits into from
Jul 14, 2026
Merged

Replace deprecated tic/toc timers with qe.Timer in kesten_processes #330

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292a208
chore: replace deprecated tic/toc timers with qe.Timer in kesten_proc…
devthedevil Jul 7, 2026
c7310da
Fix accidental undefined e_t/a_t/b_t in first generate_cross_section_lax
jstac Jul 14, 2026
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31 changes: 12 additions & 19 deletions lectures/kesten_processes.md
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Original file line number Diff line number Diff line change
Expand Up @@ -56,7 +56,6 @@ import jax
import jax.numpy as jnp
from jax import random
from jax import lax
from quantecon import tic, toc
from typing import NamedTuple
from functools import partial
```
Expand Down Expand Up @@ -235,17 +234,15 @@ Let's try running the code and generating a cross-section.

```{code-cell} ipython3
firm = Firm()
tic()
data = generate_cross_section(firm).block_until_ready()
toc()
with qe.Timer():
data = generate_cross_section(firm).block_until_ready()
```

We run the function again so we can see the speed without compile time.

```{code-cell} ipython3
tic()
data = generate_cross_section(firm).block_until_ready()
toc()
with qe.Timer():
data = generate_cross_section(firm).block_until_ready()
```

Let's produce the rank-size plot and check the distribution:
Expand Down Expand Up @@ -314,15 +311,13 @@ def generate_cross_section_lax(
Let's see if we get any speed gain

```{code-cell} ipython3
tic()
data = generate_cross_section_lax(firm).block_until_ready()
toc()
with qe.Timer():
data = generate_cross_section_lax(firm).block_until_ready()
```

```{code-cell} ipython3
tic()
data = generate_cross_section_lax(firm).block_until_ready()
toc()
with qe.Timer():
data = generate_cross_section_lax(firm).block_until_ready()
```

Here we produce the same rank-size plot:
Expand Down Expand Up @@ -393,15 +388,13 @@ def generate_cross_section_lax(
Here are the run times.

```{code-cell} ipython3
tic()
data = generate_cross_section_lax(firm).block_until_ready()
toc()
with qe.Timer():
data = generate_cross_section_lax(firm).block_until_ready()
```

```{code-cell} ipython3
tic()
data = generate_cross_section_lax(firm).block_until_ready()
toc()
with qe.Timer():
data = generate_cross_section_lax(firm).block_until_ready()
```

This method might or might not be faster.
Expand Down
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