126 lines
4.5 KiB
C
126 lines
4.5 KiB
C
/*
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Copyright (c) 2018-2019, tevador <tevador@gmail.com>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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* Neither the name of the copyright holder nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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//Cache size in KiB. Must be a power of 2.
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#define RANDOMX_ARGON_MEMORY 262144
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//Number of Argon2d iterations for Cache initialization.
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#define RANDOMX_ARGON_ITERATIONS 3
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//Number of parallel lanes for Cache initialization.
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#define RANDOMX_ARGON_LANES 1
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//Argon2d salt
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#define RANDOMX_ARGON_SALT "RandomX\x03"
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//Number of random Cache accesses per Dataset item. Minimum is 2.
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#define RANDOMX_CACHE_ACCESSES 8
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//Target latency for SuperscalarHash (in cycles of the reference CPU).
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#define RANDOMX_SUPERSCALAR_LATENCY 170
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//Dataset base size in bytes. Must be a power of 2.
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#define RANDOMX_DATASET_BASE_SIZE 2147483648
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//Dataset extra size. Must be divisible by 64.
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#define RANDOMX_DATASET_EXTRA_SIZE 33554368
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//Number of instructions in a RandomX program. Must be divisible by 8.
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#define RANDOMX_PROGRAM_SIZE 256
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//Number of iterations during VM execution.
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#define RANDOMX_PROGRAM_ITERATIONS 2048
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//Number of chained VM executions per hash.
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#define RANDOMX_PROGRAM_COUNT 8
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//Scratchpad L3 size in bytes. Must be a power of 2.
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#define RANDOMX_SCRATCHPAD_L3 2097152
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//Scratchpad L2 size in bytes. Must be a power of two and less than or equal to RANDOMX_SCRATCHPAD_L3.
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#define RANDOMX_SCRATCHPAD_L2 262144
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//Scratchpad L1 size in bytes. Must be a power of two (minimum 64) and less than or equal to RANDOMX_SCRATCHPAD_L2.
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#define RANDOMX_SCRATCHPAD_L1 16384
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//Jump condition mask size in bits.
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#define RANDOMX_JUMP_BITS 8
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//Jump condition mask offset in bits. The sum of RANDOMX_JUMP_BITS and RANDOMX_JUMP_OFFSET must not exceed 16.
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#define RANDOMX_JUMP_OFFSET 8
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/*
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Instruction frequencies (per 256 opcodes)
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Total sum of frequencies must be 256
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*/
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//Integer instructions
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#define RANDOMX_FREQ_IADD_RS 16
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#define RANDOMX_FREQ_IADD_M 7
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#define RANDOMX_FREQ_ISUB_R 16
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#define RANDOMX_FREQ_ISUB_M 7
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#define RANDOMX_FREQ_IMUL_R 16
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#define RANDOMX_FREQ_IMUL_M 4
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#define RANDOMX_FREQ_IMULH_R 4
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#define RANDOMX_FREQ_IMULH_M 1
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#define RANDOMX_FREQ_ISMULH_R 4
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#define RANDOMX_FREQ_ISMULH_M 1
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#define RANDOMX_FREQ_IMUL_RCP 8
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#define RANDOMX_FREQ_INEG_R 2
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#define RANDOMX_FREQ_IXOR_R 15
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#define RANDOMX_FREQ_IXOR_M 5
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#define RANDOMX_FREQ_IROR_R 8
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#define RANDOMX_FREQ_IROL_R 2
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#define RANDOMX_FREQ_ISWAP_R 4
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//Floating point instructions
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#define RANDOMX_FREQ_FSWAP_R 4
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#define RANDOMX_FREQ_FADD_R 16
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#define RANDOMX_FREQ_FADD_M 5
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#define RANDOMX_FREQ_FSUB_R 16
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#define RANDOMX_FREQ_FSUB_M 5
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#define RANDOMX_FREQ_FSCAL_R 6
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#define RANDOMX_FREQ_FMUL_R 32
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#define RANDOMX_FREQ_FDIV_M 4
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#define RANDOMX_FREQ_FSQRT_R 6
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//Control instructions
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#define RANDOMX_FREQ_CBRANCH 25
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#define RANDOMX_FREQ_CFROUND 1
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//Store instruction
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#define RANDOMX_FREQ_ISTORE 16
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//No-op instruction
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#define RANDOMX_FREQ_NOP 0
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/* ------
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256
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*/
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