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How to chat with a local PSSA checkpoint in the terminal with Pssa

Load a trained checkpoint in the TUI inference page and talk to it, with saved conversations.

Short answer: Build the Pssa binary from the repository; then run pssa tui in a terminal; Press Tab to reach inference, then type /model to list checkpoints in your chain folder or data folder. All steps.

  • Research
  • Intermediate
  • 45 minutes
  • From the README
  • Any agent

Who it is forA developer who has a trained PSSA or TRFM checkpoint and wants to try its replies without writing code.

The problemTesting a trained checkpoint usually means writing a script, and past conversations are easy to lose.

The outcomeA streamed chat with the model, live tokens per second, and saved conversation files in the chats folder.

What you need first

  • A Rust toolchain (inferred from the Rust implementation and the cargo commands in the README)
  • The pssa binary built from the Sparticle62ops/pssa repository
  • A plain UTF-8 text file to train on
  • A terminal that supports the TUI, or use --no-tui for plain logs

Steps

  1. Build the Pssa binary from the repository. (inferred, check the README)
  2. Run pssa tui in a terminal.
  3. Press Tab to reach inference, then type /model to list checkpoints in your chain folder or data folder.
  4. Type /model PATH with the path to your checkpoint and press Enter after typing a message.
  5. Use /new to start a new conversation and /chats to list saved ones.

Prompt for your agent

In the Sparticle62ops/pssa repository, start `pssa tui`, select a checkpoint with `/model <checkpoint-path>`, and send one message. Report the reply and the tokens per second shown. Verify that a JSON file was written in the chats folder.

Caveat. The README says checkpoint loading cannot be interrupted, so a large checkpoint may take a while before Esc or /stop has any effect.

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Using the Deduped MCP, get the setup steps for Sparticle62ops/pssa and "Chat with a local PSSA checkpoint in the terminal"

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