Heater #

A Rust command-line application that churns your CPU cores at maximum capacity so your laptop isn't cold

Build #

cargo build --release

The compiled binary will be at target/release/heater.

Usage #

Run indefinitely (until Ctrl+C) #

cargo run --release
# or
./target/release/heater

Run for a specific duration (in seconds) #

cargo run --release -- --duration 30
# or
./target/release/heater --duration 30

Customize the number of free cores #

# Leave 2 cores free
cargo run --release -- --free-cores 2

# Use ALL cores (leave 0 free)
cargo run --release -- --free-cores 0

# Run for 60 seconds, leaving 2 cores free
cargo run --release -- --duration 60 --free-cores 2

Options #

-d, --duration <DURATION>      Duration to run in seconds (omit for indefinite run)
-f, --free-cores <FREE_CORES>  Number of cores to leave free (default: 1)
-g, --gpu                      Enable GPU usage (makes more heat)
-h, --help                     Print help
-V, --version                  Print version