ElixirConf 2023 - Andrew Selder - Speeding up dynamic templates Using Meta-programming

Elixir

ElixirConf 2023 talk on speeding up dynamic templates using meta-programming, exploring macros, unquote, and ETS to generate templates at compile time for fast rendering.

Key takeaways

Elixir templates can be slow when they are compiled at runtime.
Using EEX function from string to define a function can lead to performance issues, as it is essentially a quoted expression that is evaluated at compile time.
Macros in Elixir can be used to generate templates at compile time, which can significantly improve performance.
Macros are functions that are evaluated at compile time and return a chunk of abstract syntax tree (AST).
Unquote can be used to manipulate AST generated by macros.
The quote function is used to generate a chunk of AST that can be used to generate a module at compile time.
Unquote can be used to insert variables into a quoted expression.
The EEX function from string can be used to generate a template at compile time, which can be orders of magnitude faster than the standard EEX compile string.
The code compile quoted function can be used to compile a quoted expression and generate a module at compile time.
Macros can be used to generate templates at compile time for fast rendering.
The defmodule macro can be used to define a module at compile time.
Unquote can be used to dereference variables in a quoted expression.
The ETS (Erlang Term Storage) function can be used to store and retrieve data at compile time.
Macros can be used to generate templates at compile time for fast rendering, which can be especially useful for complex templates.
The Phoenix framework uses macros to generate templates at compile time for fast rendering.
Macros can be used to generate templates at compile time for fast rendering, which can be especially useful for complex templates.
The Elixir language has a strong separation between compile time and runtime.
The quote function can be used to generate a chunk of AST that can be used to generate a module at compile time.
Macros can be used to generate templates at compile time for fast rendering.
The defmodule macro can be used to define a module at compile time.
Macros can be used to generate templates at compile time for fast rendering, which can be especially useful for complex templates.
The ETS (Erlang Term Storage) function can be used to store and retrieve data at compile time.

ElixirConf 2023 - Andrew Selder - Speeding up dynamic templates Using Meta-programming

More talks