Remove EXLA Precompiled

[seanmor5]

No longer necessary with the XLA extension :)

[wojtekmach]

Excellent, thank you! :D

[wojtekmach]

% elixir exla.exs
warning: module attribute @defn_compiler was set but never used
  exla.exs:9

#Nx.Tensor<
  f32[2][2]
  [
    [0.032058604061603546, 0.08714432269334793],
    [0.23688282072544098, 0.6439142227172852]
  ]
>

is the warning legit? Or it's a Mix.install quirk maybe?

[seanmor5]

@wojtekmach Oh I know where that's from, I will open another PR!

[wojtekmach]

@seanmor5 fyi: I noticed this today:

% elixir exla.exs

11:30:57.424 [warning] The on_load function for module Elixir.EXLA.NIF returned:
{:error,
 {:load_failed,
  'Failed to load NIF library: \'dlopen(/Users/wojtek/.cache/mix/installs/elixir-1.14.0-dev-erts-13.0/d138a9da4197c536f64d574bf01d2a9c/_build/dev/lib/exla/priv/libexla.so, 0x0002): Library not loaded: @loader_path/lib/libxla_extension.so\n  Referenced from: /Users/wojtek/.cache/mix/installs/elixir-1.14.0-dev-erts-13.0/d138a9da4197c536f64d574bf01d2a9c/deps/exla/exla/cache/libexla.so\n  Reason: tried: \'/Users/wojtek/.cache/mix/installs/elixir-1.14.0-dev-erts-13.0/d138a9da4197c536f64d574bf01d2a9c/deps/exla/exla/cache/lib/libxla_extension.so\' (no such file), \'/usr/local/lib/libxla_extension.so\' (no such file), \'/usr/lib/libxla_extension.so\' (no such file)\''}}


11:30:57.424 [notice] Application exla exited: EXLA.Application.start(:normal, []) returned an error: shutdown: failed to start child: EXLA.Logger
    ** (EXIT) an exception was raised:
        ** (UndefinedFunctionError) function EXLA.NIF.start_log_sink/1 is undefined (module EXLA.NIF is not available)
            (exla 0.1.0-dev) EXLA.NIF.start_log_sink(#PID<0.181.0>)
            (exla 0.1.0-dev) lib/exla/logger.ex:12: EXLA.Logger.init/1
            (stdlib 4.0) gen_server.erl:430: :gen_server.init_it/2
            (stdlib 4.0) gen_server.erl:397: :gen_server.init_it/6
            (stdlib 4.0) proc_lib.erl:226: :proc_lib.init_p_do_apply/3
** (UndefinedFunctionError) function EXLA.__jit__/4 is undefined or private, but the behaviour Nx.Defn.Compiler expects it to be present. Did you mean:

      * __jit__/5

    (exla 0.1.0-dev) EXLA.__jit__(#Function<0.97003411/1 in Foo.softmax/1>, [#Nx.Tensor<
    s64[2][2]
    [
      [1, 2],
      [3, 4]
    ]
  >], #Function<2.92604979/1 in Nx.Defn.Compiler.__runtime__/2>, [])
    exla.exs:16: (file)
    (elixir 1.14.0-dev) lib/code.ex:1228: Code.require_file/2

when I change nx and exla to both be GitHub dependencies, I'm getting:

Generated exla app

11:30:41.396 [warning] The on_load function for module Elixir.EXLA.NIF returned:
{:error,
 {:load_failed,
  'Failed to load NIF library: \'dlopen(/Users/wojtek/.cache/mix/installs/elixir-1.14.0-dev-erts-13.0/40cd290807bca422cd49d8b6dd3b9b8b/_build/dev/lib/exla/priv/libexla.so, 0x0002): Library not loaded: @loader_path/lib/libxla_extension.so\n  Referenced from: /Users/wojtek/.cache/mix/installs/elixir-1.14.0-dev-erts-13.0/40cd290807bca422cd49d8b6dd3b9b8b/deps/exla/exla/cache/libexla.so\n  Reason: tried: \'/Users/wojtek/.cache/mix/installs/elixir-1.14.0-dev-erts-13.0/40cd290807bca422cd49d8b6dd3b9b8b/deps/exla/exla/cache/lib/libxla_extension.so\' (no such file), \'/usr/local/lib/libxla_extension.so\' (no such file), \'/usr/lib/libxla_extension.so\' (no such file)\''}}


11:30:41.396 [notice] Application exla exited: EXLA.Application.start(:normal, []) returned an error: shutdown: failed to start child: EXLA.Logger
    ** (EXIT) an exception was raised:
        ** (UndefinedFunctionError) function EXLA.NIF.start_log_sink/1 is undefined (module EXLA.NIF is not available)
            (exla 0.1.0-dev) EXLA.NIF.start_log_sink(#PID<0.669.0>)
            (exla 0.1.0-dev) lib/exla/logger.ex:12: EXLA.Logger.init/1
            (stdlib 4.0) gen_server.erl:430: :gen_server.init_it/2
            (stdlib 4.0) gen_server.erl:397: :gen_server.init_it/6
            (stdlib 4.0) proc_lib.erl:226: :proc_lib.init_p_do_apply/3
** (exit) exited in: GenServer.call(EXLA.Client, {:client, :host, [platform: :host]}, :infinity)
    ** (EXIT) no process: the process is not alive or there's no process currently associated with the given name, possibly because its application isn't started
    (elixir 1.14.0-dev) lib/gen_server.ex:1024: GenServer.call/3
    (exla 0.1.0-dev) lib/exla/defn.ex:223: EXLA.Defn.__jit__/5
    (nx 0.1.0) lib/nx/defn/compiler.ex:235: Nx.Defn.Compiler.__runtime__/2
    exla.exs:16: (file)

please let me know if I can help debugging, should report the issue elsewhere, etc.