mirror of
https://github.com/matrix-construct/construct
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58 lines
1.9 KiB
C
58 lines
1.9 KiB
C
// Matrix 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_TASK_CTRL_H
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/// Task Control Page
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///
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/// The control block is shared with our device software. Execution state is
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/// maintained in the task control block across cycles. The control block is
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/// the mutable state component for an execution; for the immutable component
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/// also shared with device software see opts.h.
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///
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struct ircd_gpt_task
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{
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/// Epoch counting & interrupt control block.
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struct ircd_gpt_task_epic epic;
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/// Token context control block. Contains state for the token context
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/// buffer; the buffer with the tokens themselves is elsewhere.
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struct ircd_gpt_task_tokens tokens;
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/// Logit softmax state
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struct ircd_math_samax samax;
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/// Target label loss state
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struct ircd_math_mean loss;
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/// Target label perplexity score state
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struct ircd_math_mean perp;
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/// Target label certainty difference state
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struct ircd_math_mean cert;
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/// PRNG xoshiro256 state. This is the de facto random seed which can be
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/// set before cycle entry by the host. It is updated by device software
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/// when used.
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ulong rand[4];
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/// Perform backprop
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bool prop;
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/// Header magic 0xC7012C70
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uint magic;
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/// The token buffer starts at offset 2048 and continues to the end of
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/// the page; options specify the size of the tokens buffer in tokens.
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/// Additional pages must be attached for larger buffer sizes.
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ushort token[] __attribute__((aligned(2048)));
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}
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__attribute__((aligned(4096)));
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