mirror of
https://github.com/matrix-construct/construct
synced 2024-07-01 16:28:19 +02:00
91 lines
1.8 KiB
C++
91 lines
1.8 KiB
C++
// Tensor Construct
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//
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// Copyright (C) Matrix Construct Developers, Authors & Contributors
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// Copyright (C) 2016-2021 Jason Volk <jason@zemos.net>
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//
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// Permission to use, copy, modify, and/or distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice is present in all copies. The
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// full license for this software is available in the LICENSE file.
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#pragma once
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#define HAVE_IRCD_GPT_MODEL_H
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namespace ircd::gpt::model
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{
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struct norm;
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struct attn;
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struct ffnn;
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struct block;
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struct embed;
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struct decoder;
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constexpr auto align {64};
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extern const decoder *default_model;
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extern string_view default_dataset;
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extern std::vector<json::object> default_data;
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}
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/// Attention aperature
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struct ircd::gpt::model::attn
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{
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float
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attn_bias alignas(align) [2304],
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attn_weight alignas(align) [768][2304];
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bool
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bias alignas(align) [1024][1024];
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float
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proj_bias alignas(align) [768],
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proj_weight alignas(align) [768][768];
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};
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/// Feed-forward neural network
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struct ircd::gpt::model::ffnn
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{
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float
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fc_bias alignas(align) [3072],
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fc_weight alignas(align) [768][3072];
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float
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proj_bias alignas(align) [768],
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proj_weight alignas(align) [3072][768];
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};
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/// Layer normalization
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struct ircd::gpt::model::norm
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{
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float
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bias alignas(align) [768],
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weight alignas(align) [768];
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};
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/// Transformer block
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struct ircd::gpt::model::block
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{
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norm ln1;
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model::attn attn;
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norm ln2;
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model::ffnn ffnn;
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}
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__attribute__((packed));
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/// Vocabulary embeddings
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struct ircd::gpt::model::embed
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{
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float
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pos alignas(align) [1024][768],
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token alignas(align) [65536][768];
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};
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struct ircd::gpt::model::decoder
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{
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block layer[12];
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norm f;
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embed word;
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}
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__attribute__((packed));
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