Arik Chakma

Arik Chakma · Launch Video Breakdown: Hook, Pacing & Motion Design

gpu-time is a small browser-based model that converts natural language to JavaScript date and time. It runs on WebGPU.

Developer ToolsLaunchSeptember 11, 2026@imarikchakma
0:00 · The Hook · Tokenization and Contextual Understanding
0:00 / 0:00

Scene-by-scene timeline & spoken transcript

  1. The Hook

    Tokenization and Contextual Understanding

    “So we start with a sentence. We split it into tokens. We keep each token's position. Words, numbers, and AM/PM split apart. Spaces retained internally. Each grid holds 32 learned values, summed from token-feature embeddings. A five-position filter mixes nearby features. Spaces are hidden in this view. Each token's 32 state values update as context arrives from either direction.”

    On screen
    gpu-time 01 / 10 Start with a Sentence every Monday from 8pm to 10 A recurring window, written in plain English. gpu-time 02 / 10 Keep Each Token's Position every Monday from 8 pm to 10 pm Words, numbers and AM/PM split apart. Spaces retained internally. gpu-time 02 / 10 Keep Each Token's Position every Monday from 8 pm to 10 pm 0:5 6:12 13:17 18:19 19:21 22:24 25:27 27:29 Words, numbers and AM/PM split apart. Spaces retained internally. gpu-time 03 / 10 Learned Token Vectors every Monday from 8 pm to 10 pm Each grid holds 32 learned values, summed from token-feature embeddings. gpu-time 03 / 10 Learned Token Vectors every Monday from 8 pm to 10 pm Each grid holds 32 learned values, summed from token-feature embeddings. gpu-time 04 / 10 Mix Nearby Context every Monday from 8 pm to 10 pm A five-position filter mixes nearby features. Spaces are hidden in this view. gpu-time 04 / 10 Mix Nearby Context every Monday from 8 pm to 10 pm A five-position filter mixes nearby features. Spaces are hidden in this view. gpu-time 05 / 10 Context from Both Sides forward → ← backward every Monday from 8 pm to 10 pm Each token's 32 state values update as context arrives from either direction. gpu-time 05 / 10 Context from Both Sides forward → ← backward every Monday from 8 pm to 10 pm Each token's 32 state values update as context arrives from either direction.
    Camera
    Static, centered framing on the UI elements. No camera movement.
    Motion
    Text fades in, individual words highlight, then expand into token boxes. Grids of colored squares animate to represent token vectors, with subtle pulsing and highlighting. Lines and dots animate to show context flow.
  2. Problem Agitation

    Role Scoring and Schedule Resolution

    “From context, we generate scores. Token context plus pooled sentence context. Actual activations, nodes, links sampled. 40 role scores, 10 named roles shown. 5 reserved slots omitted; boundary is separate. Separate boundary score. No new clause. The model identifies roles. It does not calculate dates. Internal calendar normalization. The public API returns dates and rules directly.”

    On screen
    gpu-time 06 / 10 From Context to Scores 32 + 32 16 gates 64 hidden 40 + 1 Monday every Monday from 8 pm to 10 pm Token context + pooled sentence context. Actual activations; nodes / links sampled. gpu-time 06 / 10 From Context to Scores 32 + 32 16 gates 64 hidden 40 + 1 WebGPU 32 lanes CPU too Monday every Monday from 8 pm to 10 pm Token context + pooled sentence context. Actual activations; nodes / links sampled. gpu-time 07 / 10 Role Scores WEEKDAY TIME_NAMED GLUE JOIN SECOND RANGE_START YEAR EDGE MONTH BOUND_START +5.978 -0.228 -0.243 -0.252 -0.280 -0.313 -0.313 -0.361 -0.374 -0.400 0 Monday 40 role scores 10 named roles shown every Monday from 8 pm to 10 pm 10 highest named-role scores shown. 5 reserved slots omitted; boundary is separate. gpu-time 07 / 10 Role Scores WEEKDAY TIME_NAMED GLUE JOIN SECOND RANGE_START YEAR EDGE MONTH BOUND_START +5.978 -0.228 -0.243 -0.252 -0.280 -0.313 -0.313 -0.361 -0.374 -0.400 0 Monday 40 role scores 10 named roles shown separate boundary score: -12.598 < 1.75 → no new clause every Monday from 8 pm to 10 pm 10 highest named-role scores shown. 5 reserved slots omitted; boundary is separate. gpu-time 07 / 10 Give Each Token a Role RECUR WEEKDAY RANGE_START HOUR MERIDIEM RANGE_END HOUR MERIDIEM every Monday from 8 pm to 10 pm The model identifies roles. It does not calculate dates. gpu-time 08 / 10 Resolve the Schedule RECUR WEEKDAY RANGE_START HOUR MERIDIEM RANGE_END HOUR MERIDIEM every Monday from 8 pm to 10 pm Internal calendar normalization. The public API returns dates and rules directly.
    Camera
    Static, centered framing on the UI elements. No camera movement.
    Motion
    Nodes and connecting lines animate to visualize a neural network. Bar charts grow to represent scores. Token boxes change color and display new labels, indicating role assignment. A tree diagram expands to show schedule breakdown.
  3. Product Reveal

    Time Zone Handling and Output

    “We keep the local time. Daylight saving ends November 1. The local schedule stays at 8pm. Calendar property fragments, generated from the same schedule.”

    On screen
    gpu-time 08 / 10 Resolve the Schedule recurring schedule WEEKLY frequency MO day 20:00-22:00 time window caller: reference date + America/New_York Internal calendar normalization. The public API returns dates and rules directly. gpu-time 09 / 10 Keep the Local Time MONDAY LOCAL WINDOW UTC NEXT DAY 2026-10-26 20:00 → 22:00 00:00Z America/New_York Daylight saving ends November 1. The local schedule stays at 8pm. gpu-time 09 / 10 Keep the Local Time MONDAY LOCAL WINDOW UTC NEXT DAY 2026-10-26 20:00 → 22:00 00:00Z 2026-11-02 20:00 → 22:00 01:00Z 2026-11-09 20:00 → 22:00 01:00Z America/New_York Daylight saving ends November 1. The local schedule stays at 8pm. gpu-time 10 / 10 Return Dates and Rules DTSTART;TZID=America/New_York:20261026T200000 DTEND;TZID=America/New_York:20261026T220000 RRULE:FREQ=WEEKLY;INTERVAL=1;BYDAY=MO Calendar property fragments, generated from the same schedule.
    Camera
    Static, centered framing on the UI elements. No camera movement.
    Motion
    Table rows animate in, highlighting changes in UTC time. Text lines appear to show the final output in a code-like format.
  4. Call to Action

    Product Summary and Call to Action

    “(No spoken dialogue — The music features a consistent, low-energy ambient electronic score with a prominent, sustained sub-bass drone throughout. It incorporates subtle, ethereal synth pads and occasional, very soft, high-frequency synth arpeggios that add a sense of movement without increasing the tempo. There are no high-energy audio transitions, risers, sweeps, or sub-bass drops/impacts; the sound design maintains a calm, steady, and slightly mysterious atmosphere.)”

    On screen
    gpu-time Plain English. Precise Schedules. Runs locally WebGPU + CPU 24,761 parameters Experimental English time parser
    Camera
    Static, centered framing on the UI elements. No camera movement.
    Motion
    The product logo and tagline fade in, followed by key features and a descriptive subtitle. Underline animation beneath the logo.

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