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Chart performance: lift loop throttle and de-pandas render path #424

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Merged
brickbots merged 3 commits into from
May 20, 2026
Merged

Chart performance: lift loop throttle and de-pandas render path #424

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b501a62
Use sleep_for_framerate in main loop to lift the 10 Hz UI cap
brickbots May 19, 2026
9c9ec77
Remove redundant per-module framerate sleeps from UI update()
brickbots May 20, 2026
229fa49
De-pandas chart hot path (plot_markers, render_starfield_pil, radec_t…
brickbots May 20, 2026
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9 changes: 4 additions & 5 deletions python/PiFinder/main.py
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Original file line number Diff line number Diff line change
Expand Up @@ -42,6 +42,7 @@
from PiFinder.multiproclogging import MultiprocLogging
from PiFinder.catalogs import CatalogBuilder, CatalogFilter, Catalogs
from PiFinder.calc_utils import sf_utils
from PiFinder.state_utils import sleep_for_framerate

from PiFinder.ui.console import UIConsole
from PiFinder.ui.menu_manager import MenuManager
Expand Down Expand Up @@ -195,10 +196,6 @@ def update(self):
if _imu["moving"]:
self.wake_up()

# should we pause execution for a bit?
if self.shared_state.power_state() < 1:
time.sleep(0.2)

def get_sleep_timeout(self):
"""
returns the sleep timeout amount
Expand Down Expand Up @@ -557,7 +554,9 @@ def main(
else:
console.write(console_msg)
except queue.Empty:
time.sleep(0.1)
# Frame-rate-limit the main loop; sleep_for_framerate also
# handles power-save by sleeping longer when asleep.
sleep_for_framerate(shared_state)

# GPS
try:
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