Skip to content

⚡️ Speed up function get_fps_if_tick_happens_now by 8% #622

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 1 commit into
base: main
Choose a base branch
from
Open

⚡️ Speed up function get_fps_if_tick_happens_now by 8% #622

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
13 changes: 8 additions & 5 deletions inference/core/interfaces/camera/video_source.py
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -1214,13 +1214,16 @@ def decode_video_frame_to_buffer(


def get_fps_if_tick_happens_now(fps_monitor: sv.FPSMonitor) -> float:
if len(fps_monitor.all_timestamps) == 0:
all_timestamps = fps_monitor.all_timestamps
ts_len = len(all_timestamps)
if ts_len == 0:
return 0.0
min_reader_timestamp = fps_monitor.all_timestamps[0]
# Access first timestamp directly (avoid creating local variable unless needed)
now = time.monotonic()
epsilon = 1e-8
reader_taken_time = (now - min_reader_timestamp) + epsilon
return (len(fps_monitor.all_timestamps) + 1) / reader_taken_time
# Use constant directly to avoid repeated attribute lookups and assignments
reader_taken_time = (now - all_timestamps[0]) + 1e-8
# Avoid extra len calculation, reuse ts_len
return (ts_len + 1) / reader_taken_time


def calculate_video_file_stride(
Expand Down