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Improve performance of scrypt-based algorithms by code reordering.

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This commit is contained in:
fse-a 2024-02-15 15:17:29 +01:00
parent c1a10518fd
commit 47509b2954
5 changed files with 302 additions and 155 deletions
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91
OpenCL/m08900-pure.cl
View File

@ -128,6 +128,36 @@ DECLSPEC uint4 hc_swap32_4 (uint4 v)
DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
{
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
uint4 R0 = TI[STATE_CNT4 - 4];
uint4 R1 = TI[STATE_CNT4 - 3];
uint4 R2 = TI[STATE_CNT4 - 2];
@ -165,36 +195,6 @@ DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
TI[i + 2] = R2;
TI[i + 3] = R3;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
}
DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL_AS uint4 *V1, GLOBAL_AS uint4 *V2, GLOBAL_AS uint4 *V3, const u64 gid)
@ -217,6 +217,30 @@ DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL
case 3: V = V3; break;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4];
for (int z = 0; z < zSIZE; z++) TT[z] = X[z];
for (int dst_off = 8, src_off = 4; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
for (int dst_off = 4, src_off = zSIZE / 2; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
#endif
for (u32 y = 0; y < ySIZE; y++)
{
for (u32 z = 0; z < zSIZE; z++) V[CO] = X[z];
@ -459,10 +483,14 @@ KERNEL_FQ void m08900_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
sha256_hmac_init_global_swap (&ctx, pws[gid].i, pws[gid].pw_len);
for (u32 l = 0; l < SCRYPT_CNT4; l += 4)
for (u32 i = 0; i < SCRYPT_CNT4; i += STATE_CNT4)
{
for (u32 j = 0; j < (STATE_CNT4 * 2); j += 8)
{
uint4 X[4];
const u32 l = i + j + ((j >= STATE_CNT4) ? (4 - STATE_CNT4) : 0);
X[0] = tmps[gid].P[l + 0];
X[1] = tmps[gid].P[l + 1];
X[2] = tmps[gid].P[l + 2];
@ -510,6 +538,7 @@ KERNEL_FQ void m08900_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
w3[3] = T[3].w;
sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
}
}
w0[0] = 1;

92
OpenCL/m15700-pure.cl
View File

@ -135,6 +135,36 @@ DECLSPEC uint4 hc_swap32_4 (uint4 v)
DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
{
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
uint4 R0 = TI[STATE_CNT4 - 4];
uint4 R1 = TI[STATE_CNT4 - 3];
uint4 R2 = TI[STATE_CNT4 - 2];
@ -172,36 +202,6 @@ DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
TI[i + 2] = R2;
TI[i + 3] = R3;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
}
DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL_AS uint4 *V1, GLOBAL_AS uint4 *V2, GLOBAL_AS uint4 *V3, const u64 gid)
@ -224,6 +224,30 @@ DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL
case 3: V = V3; break;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4];
for (int z = 0; z < zSIZE; z++) TT[z] = X[z];
for (int dst_off = 8, src_off = 4; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
for (int dst_off = 4, src_off = zSIZE / 2; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
#endif
for (u32 y = 0; y < ySIZE; y++)
{
for (u32 z = 0; z < zSIZE; z++) V[CO] = X[z];
@ -595,10 +619,15 @@ KERNEL_FQ void m15700_comp (KERN_ATTR_TMPS_ESALT (scrypt_tmp_t, ethereum_scrypt_
sha256_hmac_init_global_swap (&ctx, pws[gid].i, pws[gid].pw_len);
for (u32 l = 0; l < SCRYPT_CNT4; l += 4)
for (u32 i = 0; i < SCRYPT_CNT4; i += STATE_CNT4)
{
for (u32 j = 0; j < (STATE_CNT4 * 2); j += 8)
{
uint4 X[4];
const u32 l = i + j + ((j >= STATE_CNT4) ? (4 - STATE_CNT4) : 0);
X[0] = tmps[gid].P[l + 0];
X[1] = tmps[gid].P[l + 1];
X[2] = tmps[gid].P[l + 2];
@ -646,6 +675,7 @@ KERNEL_FQ void m15700_comp (KERN_ATTR_TMPS_ESALT (scrypt_tmp_t, ethereum_scrypt_
w3[3] = T[3].w;
sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
}
}
w0[0] = 1;

91
OpenCL/m22700-pure.cl
View File

@ -176,6 +176,36 @@ DECLSPEC uint4 hc_swap32_4 (uint4 v)
DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
{
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
uint4 R0 = TI[STATE_CNT4 - 4];
uint4 R1 = TI[STATE_CNT4 - 3];
uint4 R2 = TI[STATE_CNT4 - 2];
@ -213,36 +243,6 @@ DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
TI[i + 2] = R2;
TI[i + 3] = R3;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
}
DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL_AS uint4 *V1, GLOBAL_AS uint4 *V2, GLOBAL_AS uint4 *V3, const u64 gid)
@ -265,6 +265,30 @@ DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL
case 3: V = V3; break;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4];
for (int z = 0; z < zSIZE; z++) TT[z] = X[z];
for (int dst_off = 8, src_off = 4; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
for (int dst_off = 4, src_off = zSIZE / 2; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
#endif
for (u32 y = 0; y < ySIZE; y++)
{
for (u32 z = 0; z < zSIZE; z++) V[CO] = X[z];
@ -597,10 +621,14 @@ KERNEL_FQ void m22700_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
u32 w2[4];
u32 w3[4];
for (u32 l = 0; l < SCRYPT_CNT4; l += 4)
for (u32 i = 0; i < SCRYPT_CNT4; i += STATE_CNT4)
{
for (u32 j = 0; j < (STATE_CNT4 * 2); j += 8)
{
uint4 X[4];
const u32 l = i + j + ((j >= STATE_CNT4) ? (4 - STATE_CNT4) : 0);
X[0] = tmps[gid].P[l + 0];
X[1] = tmps[gid].P[l + 1];
X[2] = tmps[gid].P[l + 2];
@ -648,6 +676,7 @@ KERNEL_FQ void m22700_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
w3[3] = T[3].w;
sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
}
}
w0[0] = 1;

91
OpenCL/m27700-pure.cl
View File

@ -126,6 +126,36 @@ DECLSPEC uint4 hc_swap32_4 (uint4 v)
DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
{
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
uint4 R0 = TI[STATE_CNT4 - 4];
uint4 R1 = TI[STATE_CNT4 - 3];
uint4 R2 = TI[STATE_CNT4 - 2];
@ -163,36 +193,6 @@ DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
TI[i + 2] = R2;
TI[i + 3] = R3;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
}
DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL_AS uint4 *V1, GLOBAL_AS uint4 *V2, GLOBAL_AS uint4 *V3, const u64 gid)
@ -215,6 +215,30 @@ DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL
case 3: V = V3; break;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4];
for (int z = 0; z < zSIZE; z++) TT[z] = X[z];
for (int dst_off = 8, src_off = 4; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
for (int dst_off = 4, src_off = zSIZE / 2; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
#endif
for (u32 y = 0; y < ySIZE; y++)
{
for (u32 z = 0; z < zSIZE; z++) V[CO] = X[z];
@ -549,10 +573,14 @@ KERNEL_FQ void m27700_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
u32 w2[4];
u32 w3[4];
for (u32 l = 0; l < SCRYPT_CNT4; l += 4)
for (u32 i = 0; i < SCRYPT_CNT4; i += STATE_CNT4)
{
for (u32 j = 0; j < (STATE_CNT4 * 2); j += 8)
{
uint4 X[4];
const u32 l = i + j + ((j >= STATE_CNT4) ? (4 - STATE_CNT4) : 0);
X[0] = tmps[gid].P[l + 0];
X[1] = tmps[gid].P[l + 1];
X[2] = tmps[gid].P[l + 2];
@ -600,6 +628,7 @@ KERNEL_FQ void m27700_comp (KERN_ATTR_TMPS (scrypt_tmp_t))
w3[3] = T[3].w;
sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
}
}
w0[0] = 1;

92
OpenCL/m28200-pure.cl
View File

@ -138,6 +138,36 @@ DECLSPEC uint4 hc_swap32_4 (uint4 v)
DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
{
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
uint4 R0 = TI[STATE_CNT4 - 4];
uint4 R1 = TI[STATE_CNT4 - 3];
uint4 R2 = TI[STATE_CNT4 - 2];
@ -175,38 +205,9 @@ DECLSPEC void salsa_r (PRIVATE_AS uint4 *TI)
TI[i + 2] = R2;
TI[i + 3] = R3;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4 / 2];
for (int dst_off = 0, src_off = 4; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TT[dst_off + 0] = TI[src_off + 0];
TT[dst_off + 1] = TI[src_off + 1];
TT[dst_off + 2] = TI[src_off + 2];
TT[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = 4, src_off = 8; src_off < STATE_CNT4; dst_off += 4, src_off += 8)
{
TI[dst_off + 0] = TI[src_off + 0];
TI[dst_off + 1] = TI[src_off + 1];
TI[dst_off + 2] = TI[src_off + 2];
TI[dst_off + 3] = TI[src_off + 3];
}
for (int dst_off = STATE_CNT4 / 2, src_off = 0; dst_off < STATE_CNT4; dst_off += 4, src_off += 4)
{
TI[dst_off + 0] = TT[src_off + 0];
TI[dst_off + 1] = TT[src_off + 1];
TI[dst_off + 2] = TT[src_off + 2];
TI[dst_off + 3] = TT[src_off + 3];
}
#endif
}
DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL_AS uint4 *V1, GLOBAL_AS uint4 *V2, GLOBAL_AS uint4 *V3, const u64 gid)
{
const u32 ySIZE = SCRYPT_N / SCRYPT_TMTO;
@ -227,6 +228,30 @@ DECLSPEC void scrypt_smix_init (PRIVATE_AS uint4 *X, GLOBAL_AS uint4 *V0, GLOBAL
case 3: V = V3; break;
}
#if SCRYPT_R > 1
uint4 TT[STATE_CNT4];
for (int z = 0; z < zSIZE; z++) TT[z] = X[z];
for (int dst_off = 8, src_off = 4; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
for (int dst_off = 4, src_off = zSIZE / 2; dst_off < zSIZE; dst_off += 8, src_off += 4)
{
X[dst_off + 0] = TT[src_off + 0];
X[dst_off + 1] = TT[src_off + 1];
X[dst_off + 2] = TT[src_off + 2];
X[dst_off + 3] = TT[src_off + 3];
}
#endif
for (u32 y = 0; y < ySIZE; y++)
{
for (u32 z = 0; z < zSIZE; z++) V[CO] = X[z];
@ -517,10 +542,14 @@ KERNEL_FQ void m28200_comp (KERN_ATTR_TMPS_ESALT (exodus_tmp_t, exodus_t))
sha256_hmac_init_global_swap (&ctx, pws[gid].i, pws[gid].pw_len);
for (u32 l = 0; l < SCRYPT_CNT4; l += 4)
for (u32 i = 0; i < SCRYPT_CNT4; i += STATE_CNT4)
{
for (u32 j = 0; j < (STATE_CNT4 * 2); j += 8)
{
uint4 X[4];
const u32 l = i + j + ((j >= STATE_CNT4) ? (4 - STATE_CNT4) : 0);
X[0] = tmps[gid].P[l + 0];
X[1] = tmps[gid].P[l + 1];
X[2] = tmps[gid].P[l + 2];
@ -568,6 +597,7 @@ KERNEL_FQ void m28200_comp (KERN_ATTR_TMPS_ESALT (exodus_tmp_t, exodus_t))
w3[3] = T[3].w;
sha256_hmac_update_64 (&ctx, w0, w1, w2, w3, 64);
}
}
w0[0] = 1;