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v3.7.4

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Jay D Dee
2017-11-28 16:32:04 -05:00
parent 6d1361c87f
commit 4b57ac0eb9
70 changed files with 10549 additions and 2852 deletions
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10
algo/m7m.c
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@@ -197,6 +197,7 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
sph_tiger( &ctx1.tiger, data, M7_MIDSTATE_LEN );
sph_ripemd160( &ctx1.ripemd, data, M7_MIDSTATE_LEN );
// the following calculations can be performed once and the results shared
mpz_t magipi, magisw, product, bns0, bns1;
mpf_t magifpi, magifpi0, mpt1, mpt2, mptmp, mpten;
@@ -221,6 +222,9 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
memcpy( &ctx2, &ctx1, sizeof(m7m_ctx) );
// with 4 way can a single midstate be shared among lanes?
// do sinlge round of midstate and inyerleave for final
#ifndef USE_SPH_SHA
SHA256_Update( &ctx2.sha256, data_p64, 80 - M7_MIDSTATE_LEN );
SHA256_Final( (unsigned char*) (bhash[0]), &ctx2.sha256 );
@@ -249,6 +253,7 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
sph_ripemd160( &ctx2.ripemd, data_p64, 80 - M7_MIDSTATE_LEN );
sph_ripemd160_close( &ctx2.ripemd, (void*)(bhash[6]) );
// 4 way serial
mpz_import(bns0, a, -1, p, -1, 0, bhash[0]);
mpz_set(bns1, bns0);
mpz_set(product, bns0);
@@ -274,6 +279,7 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
sph_sha256_close( &ctxf_sha256, (void*)(hash) );
#endif
// do once and share
digits=(int)((sqrt((double)(n/2))*(1.+EPS))/9000+75);
mp_bitcnt_t prec = (long int)(digits*BITS_PER_DIGIT+16);
mpf_set_prec_raw(magifpi, prec);
@@ -296,7 +302,7 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
mpz_set_f(magipi, magifpi);
mpz_add(magipi,magipi,magisw);
mpz_add(product,product,magipi);
// share magipi, product and do serial
mpz_import(bns0, b, -1, p, -1, 0, (void*)(hash));
mpz_add(bns1, bns1, bns0);
mpz_mul(product,product,bns1);
@@ -317,6 +323,7 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
#endif
}
// this is the scanhash part
const unsigned char *hash_ = (const unsigned char *)hash;
const unsigned char *target_ = (const unsigned char *)ptarget;
for ( i = 31; i >= 0; i-- )
@@ -346,6 +353,7 @@ int scanhash_m7m_hash( int thr_id, struct work* work,
pdata[19] = n;
// do this in hashm7m
out:
mpf_set_prec_raw(magifpi, prec0);
mpf_set_prec_raw(magifpi0, prec0);