alexheretic

#!/usr/bin/env bash
# shellcheck disable=SC2086

set -euo pipefail

if [ "${1:-}" == "--help" ] || [ "${1:-}" == "-h" ]; then
  echo "Micro-benchmarks helper using: cargo +nightly bench"
  echo "  Setup a control / starting values to compare against"
  echo "  $ rustbench --control"
  echo

alexheretic

#!/usr/bin/env bash
## Deletes ~/.cargo cached data older than 2 weeks

set -eu

du_before=$(du -hd0 ~/.cargo/ | cut -f1)

# remove old crate caches & sources
find ~/.cargo/registry/cache/ -type f -ctime +13 -atime +13 -delete

alexheretic

Latest stable rust as a minimum

Minimum supported rust version (MSRV) policy that indicates the most recent stable rust release is the minimum whenever a new crate version is published. It is not required to bump a crate's major version after a new stable compiler is released.

For example crate_foo version 0.1.2 published on 2018-12-28 has MSRV 1.31.1 as this compiler was published on 2018-12-20.

The advantages of this approach is simplicity in maintaining a crate's code.

Workarounds for older compiler versions

If you are unable to update your compiler, you may be unable to update crate dependencies following this policy.

alexheretic

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alexheretic

#!/usr/bin/env bash
# MIT License
# 
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# 

alexheretic

#!/usr/bin/env bash
## Output the memory usage of a pid and measure the change.

set -euo pipefail

pid=$1

last_usage_mb=0
while true; do
    mem_usage=$(ps -p "$pid" -o size=)