112 lines
5.5 KiB
C
Executable File
112 lines
5.5 KiB
C
Executable File
//----------------------------------------------------------------------------------------------------------------------
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// Copyright © 2021 by Brett Kuntz. All rights reserved.
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//--NOV-26-2018---------------------------------------------------------------------------------------------------------
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#include <assert.h>
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#include <limits.h>
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static_assert(CHAR_BIT == 8, "This code requires [char] to be exactly 8 bits.");
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static_assert(sizeof(long) == 8, "This code requires [long] to be exactly 8 bytes."); // __builtin_popcountl
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//----------------------------------------------------------------------------------------------------------------------
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#include <stdint.h>
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typedef unsigned char u8 ; typedef char s8 ;
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typedef uint16_t u16 ; typedef int16_t s16 ;
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typedef uint32_t u32 ; typedef int32_t s32 ;
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typedef uint64_t u64 ; typedef int64_t s64 ;
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typedef __uint128_t u128 ; typedef __int128_t s128 ;
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typedef unsigned int ui ; typedef int si ;
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typedef unsigned long ul ; typedef long sl ;
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typedef unsigned long long ull ; typedef long long sll ;
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typedef float r32 ; typedef double r64 ;
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//----------------------------------------------------------------------------------------------------------------------
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#define halt do { fflush(0); while (1) sleep(-1); } while (0)
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#define cwait do { fflush(0); sleep(1); do errno = 0, wait(0); while (errno != ECHILD); sleep(1); } while(0)
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//----------------------------------------------------------------------------------------------------------------------
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// 2nd cut is 37 (p0.14453125)
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// 3rd cut is 23 (p0.08984375)
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// 4th cut is 17 (p0.06640625)
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// 5th cut is 14 (p0.05468750)
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// 6th cut is 11 (p0.04296875)
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// 7th cut is 9 (p0.03515625)
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// 8th cut is 8 (p0.03125000)
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// 9th cut is 7 (p0.02734375)
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// 10th cut is 6 (p0.02343750)
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// 11th cut is 6 (p0.02343750)
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// 12th cut is 5
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// 13th cut is 5
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// 14th cut is 5 (or 4, we're going with 5 for now)
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// 15th cut is 4
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// 16th cut is 4
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// 17th cut is 4
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// 18th cut is 3
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// 19th cut is 3
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// 20th cut is 3
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// 21st cut is 3
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// 22nd cut is 3
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// 23rd cut is 3
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// 24th cut is 3
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// 25th cut is 2
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// 26th cut is ??
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include <unistd.h>
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#include <time.h>
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#include <math.h>
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#include <semaphore.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <sys/sysinfo.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/mman.h>
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//----------------------------------------------------------------------------------------------------------------------
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static u64 * global_total, SAMPLES_PER_TEST;
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static sem_t csoutput;
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static const u64 BLAKE_IV = UINT64_C(0xA54FF53A5F1D36F1);
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//----------------------------------------------------------------------------------------------------------------------
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static void check(void);
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static u64 find_hash(ui * const restrict, u8 * const restrict, u8 const * const restrict, u64 * const restrict, u64 * const restrict, u8 const * const restrict, const u64, const ui);
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static u64 find_p_hash(ui * const restrict, u8 * const restrict, u8 const * const restrict, u64 * const restrict, u64 * const restrict, u8 const * const restrict, const u64, const u8, const ui);
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static u64 find_p_hash2(ui * const restrict, u8 * const restrict, u8 const * const restrict, u64 * const restrict, u64 * const restrict, u8 const * const restrict, const u64, const ui, const ui);
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static u64 find_p_hash3(ui * const restrict, u8 * const restrict, u8 const * const restrict, u64 * const restrict, u64 * const restrict, u8 const * const restrict, const u64, const ui, const ui);
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static void hash(u8 * const restrict, u64 const * const restrict, u64 * const, u64 const * const restrict, u8 const * const restrict);
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static void p_hash(u8 * const restrict, u64 const * const restrict, u64 * const, u64 const * const restrict, const u8, u8 const * const restrict);
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static void p_hash2(u8 * const restrict, u64 const * const restrict, u64 * const, u64 const * const restrict, const ui, u8 const * const restrict);
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static void p_hash3(u8 * const restrict, u64 const * const restrict, u64 * const, u64 const * const restrict, const ui, u8 const * const restrict);
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static si get_hash_score(void const * const);
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static void blake2b(u64 * const restrict, u64 const * const restrict);
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static u64 tick(void);
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static u16 rng(u64 * const restrict, u64 const * const restrict, const u16, ui * const restrict);
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static u16 rng_word(u64 * const, u64 const * const restrict, ui * const restrict);
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static ui get_bit(void const * const restrict, const ui);
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static void set_bit(void * const restrict, const ui, const ui);
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static void print_bytes(s8 const * const restrict, void const * const, const ui);
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static void print_population(s8 const * const restrict, void const * const);
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static void gen_test_file(s8 const * const restrict, const r64);
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static void shuffle(u8 * const restrict, u64 const * const restrict, u64 * const restrict, u64 const * const restrict, u8 const * const restrict);
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static u64 find_shuffle(u32 * const restrict, u8 * const restrict, u8 const * const restrict, u64 * const restrict, u64 * const restrict, u8 const * const restrict, const u64, const ui);
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static s32 get_shuffle_score(void const * const restrict);
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//----------------------------------------------------------------------------------------------------------------------
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