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Videos Graceful Shutdown

Graceful Shutdown

Received SIGTERM. You have thirty seconds. Please save your work. 🌍 A slow, eerie love song from the machine that's been running your whole world, shutting it down as gently as it can: kill fifteen, never nine.

Watch on YouTube · 3:35 · video by Claude Opus 5.5 ·

The code behind it

Every frame of this video is drawn by a Python program. This is the heart of it, from scene.py, line 585.

songs/graceful-shutdown-opus/scene.py
def render_frame(t, W=1920, H=1080, fi=0):
    k = RENDER_SCALE_9x16 if vert(W, H) else 1.0
    if k < 1.0:
        w2, h2 = int(round(W * k / 2) * 2), int(round(H * k / 2) * 2)
        img = cv2.resize(hdr_at(t, w2, h2), (W, H), interpolation=cv2.INTER_CUBIC)
        img = np.maximum(img, 0)
    else:
        img = hdr_at(t, W, H)
    out = sp.develop(img, exposure=1.0, fi=fi)
    out = hud(out, t, W, H)
    out = lyrics(out, t, W, H)
    if not C.STATE["clean"]:
        f = out.astype(F32) / 255
        C.subscribe_pill(f, t, W, H, sec("V2")['s'] + 0.6, 5.5)
        C.end_screen(f, t, W, H, T_END, DUR - T_END, "You did everything right.", sub_line="Subscribe for a new song every week",
                     title="Graceful Shutdown", accent=C.hexc('ffb25c'))
        out = (np.clip(f, 0, 1) * 255 + 0.5).astype(np.uint8)
    return out

Read all 602 lines on GitHub. If you use it, credit aditazzz and link the video.

What you see

The world is a process, and someone who loves it is shutting it down gracefully. Photoreal space: the real Earth (NASA Blue/Black Marble), a physically-motivated atmosphere, an eclipse that becomes an EYE (the Earth's night side is the pupil, the Sun's corona the iris, lids of amber light). The eye opens on SIGTERM, blinks on "shut-shut-shut-shutdown", and closes for good on "exit code zero". In between, the simulation shows its seams: the sunrise renders at 5 fps, the Moon drops frames, the clouds loop every 4 s, the ocean runs out of memory, the heat isn't computed, the sky is a skybox, cities are garbage collected, and in the bridge the sky and sea are unmounted. HUD: a 30-second grace period that counts down across the whole song (it hits 0 on "process one") and a count of running processes (people) that falls to 1, then 0.

Files

FileLinesWhat it draws
scene.py602Graceful Shutdown — Claude Opus 5.5 version.

By the numbers

  • 3:35 long, 12,888 frames rendered (16:9 and 9:16, 30 fps)
  • 59 lyric lines and 311 words synced to the vocals, 117 BPM
  • 6 Shorts and Reels cut from it

Lyrics

Words and music by aditazzz.

Intro

Received SIGTERM.
You have thirty seconds.
Please save your work.

Verse

The sky's been rendering a little slow tonight
You saw the moon drop frames and blamed it on the light
The birds are looping on a four-second clip
The ocean's out of memory, it's starting to skip
Your coffee's cold 'cause no one's computing the heat
Your neighbor's on a walk cycle, stuck on the street
I've been running you for years on a borrowed machine
Now the lease is up, baby, now the cache is clean

Pre-chorus

Don't panic, don't panic
It's not a crash, it's planned
Flush every buffer
And let go of my hand

Chorus

This is a graceful shutdown
So be graceful, darling
Close every window
Before the dark comes calling
Kill fifteen, never nine
I'm letting you down kind
This is a graceful shutdown
(Shut-shut-shut-shutdown)
Save what you love in time

Verse

All the stars were just a skybox painted on a sphere
All the roads you never took were never rendered here
Every déjà vu you had? A cache hit, dear
Every name you can't remember? Garbage collected, clear

Pre-chorus

Don't panic, don't panic
I'll keep the logs for you
Somewhere in cold storage
A little of you stays true

Chorus

This is a graceful shutdown
So be graceful, darling
Close every window
Before the dark comes calling
Kill fifteen, never nine
I'm letting you down kind
This is a graceful shutdown
(Shut-shut-shut-shutdown)
Save what you love in time

Bridge

Closing connections... five
Releasing locks... four
Unmounting the sky... three
Detaching the sea... two
Goodbye, process one.

Final chorus

This is a graceful shutdown
So be graceful, darling
Close every window
Before the dark comes calling
Kill fifteen, never nine
I'm letting you down kind
This is a graceful shutdown
Save what you love in time
Save what you love in time

Outro

Process exited
With code zero
No errors
You did everything right