mirror of
https://github.com/matrix-construct/construct
synced 2024-12-28 08:24:08 +01:00
85 lines
1.7 KiB
C++
85 lines
1.7 KiB
C++
// Tensor Construct
|
|
//
|
|
// Copyright (C) Matrix Construct Developers, Authors & Contributors
|
|
// Copyright (C) 2016-2021 Jason Volk <jason@zemos.net>
|
|
//
|
|
// Permission to use, copy, modify, and/or distribute this software for any
|
|
// purpose with or without fee is hereby granted, provided that the above
|
|
// copyright notice and this permission notice is present in all copies. The
|
|
// full license for this software is available in the LICENSE file.
|
|
|
|
#pragma once
|
|
#define HAVE_IRCD_GPT_MODEL_H
|
|
|
|
namespace ircd::gpt::model
|
|
{
|
|
struct norm;
|
|
struct attn;
|
|
struct ffnn;
|
|
struct block;
|
|
struct embed;
|
|
struct decoder;
|
|
|
|
constexpr auto align {64};
|
|
extern decoder *default_model;
|
|
extern string_view default_dataset;
|
|
extern std::vector<json::object> default_data;
|
|
}
|
|
|
|
/// Attention aperature
|
|
struct ircd::gpt::model::attn
|
|
{
|
|
float
|
|
attn_bias alignas(align) [2304],
|
|
attn_weight alignas(align) [768][2304];
|
|
|
|
float
|
|
proj_bias alignas(align) [768],
|
|
proj_weight alignas(align) [768][768];
|
|
};
|
|
|
|
/// Feed-forward neural network
|
|
struct ircd::gpt::model::ffnn
|
|
{
|
|
float
|
|
fc_bias alignas(align) [3072],
|
|
fc_weight alignas(align) [768][3072];
|
|
|
|
float
|
|
proj_bias alignas(align) [768],
|
|
proj_weight alignas(align) [3072][768];
|
|
};
|
|
|
|
/// Layer normalization
|
|
struct ircd::gpt::model::norm
|
|
{
|
|
float
|
|
bias alignas(align) [768],
|
|
weight alignas(align) [768];
|
|
};
|
|
|
|
/// Transformer block
|
|
struct ircd::gpt::model::block
|
|
{
|
|
norm ln1;
|
|
model::attn attn;
|
|
|
|
norm ln2;
|
|
model::ffnn ffnn;
|
|
};
|
|
|
|
/// Vocabulary embeddings
|
|
struct ircd::gpt::model::embed
|
|
{
|
|
float
|
|
pos alignas(align) [1024][768],
|
|
token alignas(align) [65536][768];
|
|
};
|
|
|
|
struct ircd::gpt::model::decoder
|
|
{
|
|
block layer[12];
|
|
|
|
norm f;
|
|
embed word;
|
|
};
|