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a35039bc05ef02e5686593edbea3f1927cc82805
cpuminer-opt-gpu/algo/m7m.c.old
Jay D Dee a35039bc05 Initial upload v3.4.7
2016-09-22 13:16:18 -04:00

435 lines
13 KiB
C
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#include "cpuminer-config.h"
#include "miner.h"
#include "algo-gate-api.h"
#include <gmp.h>
#include <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include <float.h>
#include <math.h>
#include "algo/sha2/sph-sha2.h"
#include "algo/keccak/sph_keccak.h"
#include "algo/haval/sph-haval.h"
#include "algo/tiger/sph_tiger.h"
#include "algo/whirlpool/sph_whirlpool.h"
#include "algo/ripemd/sph_ripemd.h"
#define EPS1 DBL_EPSILON
#define EPS2 3.0e-11
inline double exp_n(double xt)
{
if(xt < -700.0)
return 0;
else if(xt > 700.0)
return 1e200;
else if(xt > -0.8e-8 && xt < 0.8e-8)
return (1.0 + xt);
else
return exp(xt);
}
// 1 / (1 + exp(x1-x2))
inline double exp_n2(double x1, double x2)
{
double p1 = -700., p2 = -37., p3 = -0.8e-8, p4 = 0.8e-8, p5 = 37., p6 = 700.;
double xt = x1 - x2;
if (xt < p1+1.e-200)
return 1.;
else if (xt > p1 && xt < p2 + 1.e-200)
return ( 1. - exp(xt) );
else if (xt > p2 && xt < p3 + 1.e-200)
return ( 1. / (1. + exp(xt)) );
else if (xt > p3 && xt < p4)
return ( 1. / (2. + xt) );
else if (xt > p4 - 1.e-200 && xt < p5)
return ( exp(-xt) / (1. + exp(-xt)) );
else if (xt > p5 - 1.e-200 && xt < p6)
return ( exp(-xt) );
else if (xt > p6 - 1.e-200)
return 0.;
//return(1.0 / (1.0 + exp(x1 - x2)));
}
double swit_(double wvnmb)
{
return pow( (5.55243*(exp_n(-0.3*wvnmb/15.762) - exp_n(-0.6*wvnmb/15.762)))*wvnmb, 0.5)
/ 1034.66 * pow(sin(wvnmb/65.), 2.);
}
double m7mGaussianQuad_N(const double x1, const double x2)
{
double s=0.0;
double x[6], w[6];
//gauleg(a2, b2, x, w);
int m,j;
double z1, z, xm, xl, pp, p3, p2, p1;
m=3;
xm=0.5*(x2+x1);
xl=0.5*(x2-x1);
for(int i=1;i<=3;i++)
{
z = (i == 1) ? 0.909632 : -0.0;
z = (i == 2) ? 0.540641 : z;
do
{
p1 = z;
p2 = 1;
p3 = 0;
p3=1;
p2=z;
p1=((3.0 * z * z) - 1) / 2;
p3=p2;
p2=p1;
p1=((5.0 * z * p2) - (2.0 * z)) / 3;
p3=p2;
p2=p1;
p1=((7.0 * z * p2) - (3.0 * p3)) / 4;
p3=p2;
p2=p1;
p1=((9.0 * z * p2) - (4.0 * p3)) / 5;
pp=5*(z*p1-p2)/(z*z-1.0);
z1=z;
z=z1-p1/pp;
} while (fabs(z-z1) > 3.0e-11);
x[i]=xm-xl*z;
x[5+1-i]=xm+xl*z;
w[i]=2.0*xl/((1.0-z*z)*pp*pp);
w[5+1-i]=w[i];
}
for(int j=1; j<=5; j++) s += w[j]*swit_(x[j]);
return s;
}
uint32_t m7m_sw_(int nnounce)
{
double wmax = ((sqrt((double)(nnounce))*(1.+EPS1))/450+100);
return ((uint32_t)(m7mGaussianQuad_N(0., wmax)*(1.+EPS1)*1.e6));
}
static void mpz_set_uint256(mpz_t r, uint8_t *u)
{
mpz_import(r, 32 / sizeof(unsigned long), -1, sizeof(unsigned long), -1, 0, u);
}
static void mpz_get_uint256(mpz_t r, uint8_t *u)
{
u=0;
mpz_export(u, 0, -1, sizeof(unsigned long), -1, 0, r);
}
static void mpz_set_uint512(mpz_t r, uint8_t *u)
{
mpz_import(r, 64 / sizeof(unsigned long), -1, sizeof(unsigned long), -1, 0, u);
}
static void set_one_if_zero(uint8_t *hash512) {
for (int i = 0; i < 32; i++) {
if (hash512[i] != 0) {
return;
}
}
hash512[0] = 1;
}
static bool fulltest_m7hash(const uint32_t *hash32, const uint32_t *target32)
{
int i;
bool rc = true;
const unsigned char *hash = (const unsigned char *)hash32;
const unsigned char *target = (const unsigned char *)target32;
for (i = 31; i >= 0; i--) {
if (hash[i] != target[i]) {
rc = hash[i] < target[i];
break;
}
}
return rc;
}
typedef struct {
sph_sha256_context sha256;
sph_sha512_context sha512;
sph_keccak512_context keccak;
sph_whirlpool_context whirlpool;
sph_haval256_5_context haval;
sph_tiger_context tiger;
sph_ripemd160_context ripemd;
} m7m_ctx_holder;
sph_sha256_context m7m_ctx_final_sha256;
m7m_ctx_holder m7m_ctx;
void init_m7m_ctx()
{
sph_sha256_init( &m7m_ctx_final_sha256 );
sph_sha256_init( &m7m_ctx.sha256 );
sph_sha512_init( &m7m_ctx.sha512 );
sph_keccak512_init( &m7m_ctx.keccak );
sph_whirlpool_init( &m7m_ctx.whirlpool );
sph_haval256_5_init( &m7m_ctx.haval );
sph_tiger_init( &m7m_ctx.tiger );
sph_ripemd160_init( &m7m_ctx.ripemd );
}
#define BITS_PER_DIGIT 3.32192809488736234787
#define EPS (DBL_EPSILON)
#define NM7M 5
#define SW_DIVS 5
#define M7_MIDSTATE_LEN 76
int scanhash_m7m_hash( int thr_id, struct work* work,
uint64_t max_nonce, unsigned long *hashes_done )
{
uint32_t *pdata = work->data;
uint32_t *ptarget = work->target;
uint32_t data[32] __attribute__((aligned(128)));
uint32_t *data_p64 = data + (M7_MIDSTATE_LEN / sizeof(data[0]));
uint32_t hash[8] __attribute__((aligned(32)));
uint8_t bhash[7][64] __attribute__((aligned(32)));
uint32_t n = pdata[19] - 1;
const uint32_t first_nonce = pdata[19];
char data_str[161], hash_str[65], target_str[65];
//uint8_t *bdata = 0;
uint8_t bdata[8192];
int rc = 0;
int bytes, nnNonce2;
m7m_ctx_holder ctx1, ctx2;
memcpy( &ctx1, &m7m_ctx, sizeof(m7m_ctx) );
sph_sha256_context ctxf_sha256;
memcpy( &ctxf_sha256, &m7m_ctx_final_sha256, sizeof(ctxf_sha256) );
memcpy(data, pdata, 80);
sph_sha256( &ctx1.sha256, data, M7_MIDSTATE_LEN );
sph_sha512( &ctx1.sha512, data, M7_MIDSTATE_LEN );
sph_keccak512( &ctx1.keccak, data, M7_MIDSTATE_LEN );
sph_whirlpool( &ctx1.whirlpool, data, M7_MIDSTATE_LEN );
sph_haval256_5( &ctx1.haval, data, M7_MIDSTATE_LEN );
sph_tiger( &ctx1.tiger, data, M7_MIDSTATE_LEN );
sph_ripemd160( &ctx1.ripemd, data, M7_MIDSTATE_LEN );
mpz_t magipi, magisw, product, bns[8];
mpf_t magifpi, mpt1, mpt2, mptmp, mpten;
mpz_inits( magipi, magisw, bns[0], bns[1], bns[2], bns[3],
bns[4], bns[5], bns[6], bns[7], NULL );
mpz_init2(product, 512);
int digits=(int)((sqrt((double)(INT_MAX))*(1.+EPS))/9000+75);
mpf_set_default_prec((long int)(digits*BITS_PER_DIGIT+16));
mpf_init(magifpi);
mpf_init(mpt1);
mpf_init(mpt2);
mpf_init(mptmp);
mpf_init_set_ui(mpten, 10);
do
{
data[19] = ++n;
nnNonce2 = (int)(data[19]/2);
memset(bhash, 0, 7 * 64);
memcpy( &ctx2, &ctx1, sizeof(m7m_ctx) );
sph_sha256( &ctx2.sha256, data_p64, 80 - M7_MIDSTATE_LEN );
sph_sha256_close( &ctx2.sha256, (void*)(bhash[0]) );
sph_sha512( &ctx2.sha512, data_p64, 80 - M7_MIDSTATE_LEN );
sph_sha512_close( &ctx2.sha512, (void*)(bhash[1]) );
sph_keccak512( &ctx2.keccak, data_p64, 80 - M7_MIDSTATE_LEN );
sph_keccak512_close( &ctx2.keccak, (void*)(bhash[2]) );
sph_whirlpool( &ctx2.whirlpool, data_p64, 80 - M7_MIDSTATE_LEN );
sph_whirlpool_close( &ctx2.whirlpool, (void*)(bhash[3]) );
sph_haval256_5( &ctx2.haval, data_p64, 80 - M7_MIDSTATE_LEN );
sph_haval256_5_close( &ctx2.haval, (void*)(bhash[4])) ;
sph_tiger( &ctx2.tiger, data_p64, 80 - M7_MIDSTATE_LEN );
sph_tiger_close( &ctx2.tiger, (void*)(bhash[5]) );
sph_ripemd160( &ctx2.ripemd, data_p64, 80 - M7_MIDSTATE_LEN );
sph_ripemd160_close( &ctx2.ripemd, (void*)(bhash[6]) );
for( int i=0; i < 7; i++ )
{
set_one_if_zero(bhash[i]);
mpz_set_uint512(bns[i],bhash[i]);
}
//mpz_set_ui(bns[7],0);
mpz_set(bns[7], bns[0]);
for(int i=1; i < 7; i++)
mpz_add(bns[7], bns[7], bns[i]);
//mpz_set_ui(product,1);
mpz_set(product, bns[0]);
for(int i=1; i < 8; i++)
mpz_mul(product, product, bns[i]);
//mpz_pow_ui(product, product, 2);
mpz_mul(product, product, product);
bytes = mpz_sizeinbase(product, 256);
//bdata = (uint8_t *)realloc(bdata, bytes);
mpz_export((void *)bdata, NULL, -1, 1, 0, 0, product);
sph_sha256( &ctxf_sha256, bdata, bytes );
sph_sha256_close( &ctxf_sha256, (void*)(hash) );
int digits=(int)((sqrt((double)(nnNonce2))*(1.+EPS))/9000+75);
int iterations=20;
//mpf_set_default_prec((long int)(digits*BITS_PER_DIGIT+16));
mp_bitcnt_t prec = (long int)(digits*BITS_PER_DIGIT+16);
mpf_set_prec_raw(magifpi, prec);
mpf_set_prec_raw(mptmp, prec);
mpf_set_prec_raw(mpt1, prec);
mpf_set_prec_raw(mpt2, prec);
uint32_t usw_ = m7m_sw_(nnNonce2);
//if (usw_ < 1) usw_ = 1;
usw_ = (usw_ == 0) ? 1 : usw_;
mpz_set_ui(magisw, usw_);
//uint32_t mpzscale=mpz_size(magisw);
uint32_t mpzscale = mpz_size(magisw);
mpzscale = (mpzscale == 0) ? 1 : ((mpzscale > 1000) ? 1000 : mpzscale);
for(int i = 0; i < 5; i++)
{
//mpzscale = (mpzscale < 1) ? 1 : ((mpzscale > 1000) ? 1000 : mpzscale);
mpf_set_d(mpt2, 0.25*mpzscale);
mpf_set_str(mpt1, "0.61f78a9abaa58b4698916152cf7eee1bbdf1f5b4ab3de24c3a3c159062718f716d12d59bba9c4881f@0", 16);
mpf_sub(mpt1, mpt2, mpt1);
mpf_set_str(mpt2, "0.28bb03352962950bc65974466fd2c021e28cc50addfa74e94a3ec525f1887d66104fe025ccb43562b@0", 16);
mpf_sub(mpt2, mpt1, mpt2);
mpf_swap(mpt1, mpt2);
mpf_set_str(mpt2, "0.3852f236e8bf02d5c6718fc775e190c575b20b91a45e1338761547573ad5e77e5f61fc760362c231@-1", 16);
mpf_sub(mpt2, mpt1, mpt2);
mpf_swap(mpt1, mpt2);
mpf_set_str(mpt2, "0.35da65929531617012a859be186b093a9f835b39b8f14f38ac8ce59915e85f4497b3fe99c7e44e44e@-3", 16);
mpf_sub(mpt2, mpt1, mpt2);
mpf_swap(mpt1, mpt2);
mpf_set_str(mpt2, "0.189daa22ce9d43d42f773cc46e4c97fc8f625df4c82a663970a52968d90df7aa3e05294f26eec633@-7", 16);
mpf_sub(mpt2, mpt1, mpt2);
mpf_swap(mpt1, mpt2);
mpf_set_str(mpt2, "0.87127377035941932784771446314900974221284468466736176188550809681111589251132779066239512337e-20", 10);
mpf_sub(mpt2, mpt1, mpt2);
mpf_swap(mpt1, mpt2);
mpf_abs(mpt1, mpt1);
mpf_set_str(magifpi, "0.717770011046129997821193223665779426657129889339984371989763663877269423125849866370161623127786e0", 10);
mpf_div(magifpi, magifpi, mpt1);
mpf_pow_ui(mptmp, mpten, digits >> 1);
mpf_mul(magifpi, magifpi, mptmp);
//mpf_mul_ui(magifpi, magifpi, pow(10.0, (double)(digits >> 1)));
mpz_set_f(magipi, magifpi);
mpz_add(product,product,magipi);
mpz_add(product,product,magisw);
mpz_set_uint256(bns[0], (void*)(hash));
mpz_add(bns[7], bns[7], bns[0]);
mpz_mul(product,product,bns[7]);
mpz_cdiv_q (product, product, bns[0]);
if (mpz_sgn(product) <= 0) mpz_set_ui(product,1);
bytes = mpz_sizeinbase(product, 256);
mpzscale=bytes;
//bdata = (uint8_t *)realloc(bdata, bytes);
mpz_export(bdata, NULL, -1, 1, 0, 0, product);
sph_sha256( &ctxf_sha256, bdata, bytes );
sph_sha256_close( &ctxf_sha256, (void*)(hash) );
}
rc = fulltest_m7hash(hash, ptarget);
if (unlikely(rc)) {
if (opt_debug) {
bin2hex(hash_str, (unsigned char *)hash, 32);
bin2hex(target_str, (unsigned char *)ptarget, 32);
bin2hex(data_str, (unsigned char *)data, 80);
applog(LOG_DEBUG, "DEBUG: [%d thread] Found share!\ndata %s\nhash %s\ntarget %s", thr_id,
data_str,
hash_str,
target_str);
}
pdata[19] = data[19];
goto out;
}
} while (n < max_nonce && !work_restart[thr_id].restart);
pdata[19] = n;
out:
digits = (int)((sqrt((double)(INT_MAX))*(1.+EPS))/9000+75);
mp_bitcnt_t prec = (long int)(digits*BITS_PER_DIGIT+16);
mpf_set_prec_raw(magifpi, prec);
mpf_set_prec_raw(mptmp, prec);
mpf_set_prec_raw(mpt1, prec);
mpf_set_prec_raw(mpt2, prec);
mpf_clear(magifpi);
mpf_clear(mpten);
mpf_clear(mptmp);
mpf_clear(mpt1);
mpf_clear(mpt2);
mpz_clears(magipi, magisw, product, bns[0], bns[1], bns[2], bns[3], bns[4], bns[5], bns[6], bns[7], NULL);
//free(bdata);
*hashes_done = n - first_nonce + 1;
return rc;
}
void m7m_reverse_endian( struct work *work )
{
swab32_array( work->data, work->data, 20 );
}
bool register_m7m_algo( algo_gate_t *gate )
{
gate->optimizations = SSE2_OPT | AES_OPT | AVX_OPT;
init_m7m_ctx();
gate->scanhash = (void*)scanhash_m7m_hash;
gate->build_stratum_request = (void*)&std_be_build_stratum_request;
gate->set_target = (void*)&scrypt_set_target;
gate->get_max64 = (void*)&get_max64_0x1ffff;
gate->set_work_data_endian = (void*)&m7m_reverse_endian;
gate->work_data_size = 80;
return true;
}
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