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For what it's worth, I was able to write Rust for the 8bit AVR microcontroller platform. 256 bytes of RAM and 1024 CPU instructions FLASH. In this comment I de

For what it's worth, I was able to write Rust for the 8bit AVR microcontroller platform. 256 bytes of RAM and 1024 CPU instructions FLASH. In this comment I describe what I did to remove the bloat: https://news.ycombinator.com/item?id=36394426 https://news.ycombinator.com/item?id=36394426 It's not the default and it took me some searching and reading to get there. I wonder if Cargo could have some vastly different default per target. As everybody said in this thread, defaults matters.

lieks 3y ago
1024 instructions? At that point I'd probably just use assembly. At that size, it would still be manageable. Hmm, maybe that's the fundamental difference in thinking; the people I'm thinking of would reach for the simplest tool that can feasibly handle the job, even if it's somewhat harder to use.
- bombela 3y ago
  In those 1024 instructions I was able to fit a decoder for standard 433Mhz remotes control, with learning of remotes (stored in EPROM), a button, a rotary encoder input, and a dozen led outputs through a 16 bit shift register. It also controls a digital potentiometer. Used to adjust a power supply output voltage driving a 20 meter LEDs string. I am sure a pure assembly implementation would have saved some room in the FLASH, but the generated machine code wasn't that bad for what I can tell with my limited experience anyways. And it sure was nice to write it in Rust. Except a codegen bug in the version of Rust at the time ;) That one was painful!