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Code Issues Releases Wiki Activity

Small performance boost in -m 22400

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This commit is contained in:
Jens Steube 2020-01-16 15:00:19 +01:00
parent 92281f3f58
commit c58a889aa6
2 changed files with 119 additions and 59 deletions
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173
OpenCL/m22400-pure.cl
View File

@ -26,9 +26,8 @@ typedef struct aescrypt
typedef struct aescrypt_tmp
{
u32 dgst[8];
u32 pass[128];
u32 len;
u32 pass[144];
int len;
} aescrypt_tmp_t;
@ -57,7 +56,7 @@ KERNEL_FQ void m22400_init (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
const u32 pw_len_utf16le = pw_len * 2;
u32 w[128] = { 0 };
u32 w[144] = { 0 };
for (u32 i = 0, j = 0; i < 64; i += 4, j += 8)
{
@ -77,7 +76,6 @@ KERNEL_FQ void m22400_init (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
w[j + 1] = hc_swap32_S (out0[1]);
w[j + 2] = hc_swap32_S (out0[2]);
w[j + 3] = hc_swap32_S (out0[3]);
w[j + 4] = hc_swap32_S (out1[0]);
w[j + 5] = hc_swap32_S (out1[1]);
w[j + 6] = hc_swap32_S (out1[2]);
@ -95,24 +93,42 @@ KERNEL_FQ void m22400_init (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
// set tmps:
tmps[gid].dgst[0] = ctx.h[0];
tmps[gid].dgst[1] = ctx.h[1];
tmps[gid].dgst[2] = ctx.h[2];
tmps[gid].dgst[3] = ctx.h[3];
tmps[gid].dgst[4] = ctx.h[4];
tmps[gid].dgst[5] = ctx.h[5];
tmps[gid].dgst[6] = ctx.h[6];
tmps[gid].dgst[7] = ctx.h[7];
#ifdef _unroll
#pragma unroll
#endif
for (int i = 127; i >= 0; i--) // create some space for the first digest without extra buffer
{
w[8 + i] = w[i];
}
w[0] = ctx.h[0];
w[1] = ctx.h[1];
w[2] = ctx.h[2];
w[3] = ctx.h[3];
w[4] = ctx.h[4];
w[5] = ctx.h[5];
w[6] = ctx.h[6];
w[7] = ctx.h[7];
const u32 final_len = 32 + pw_len_utf16le;
const u32 idx_floor = (final_len / 64) * 16;
const u32 idx_ceil = ((final_len & 63) >= 56) ? idx_floor + 16 : idx_floor;
append_0x80_4x4_S (&w[idx_floor + 0], &w[idx_floor + 4], &w[idx_floor + 8], &w[idx_floor + 12], (final_len & 63) ^ 3);
w[idx_ceil + 14] = 0;
w[idx_ceil + 15] = final_len * 8;
#ifdef _unroll
#pragma unroll
#endif
for (u32 i = 0; i < 128; i++)
for (u32 i = 0; i < 144; i++)
{
tmps[gid].pass[i] = w[i];
}
tmps[gid].len = 32 + pw_len_utf16le;
tmps[gid].len = final_len;
}
KERNEL_FQ void m22400_loop (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
@ -123,55 +139,100 @@ KERNEL_FQ void m22400_loop (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
// init
u32 w[144] = { 0 }; // we only need max 136*4, but it's 16-byte-aligned
w[0] = tmps[gid].dgst[0];
w[1] = tmps[gid].dgst[1];
w[2] = tmps[gid].dgst[2];
w[3] = tmps[gid].dgst[3];
w[4] = tmps[gid].dgst[4];
w[5] = tmps[gid].dgst[5];
w[6] = tmps[gid].dgst[6];
w[7] = tmps[gid].dgst[7];
u32 w[144];
#ifdef _unroll
#pragma unroll
#endif
for (u32 i = 0; i < 128; i++)
for (u32 i = 0; i < 144; i++)
{
w[8 + i] = tmps[gid].pass[i];
w[i] = tmps[gid].pass[i];
}
const u32 pw_len = tmps[gid].len;
const int pw_len = tmps[gid].len;
// main loop
for (u32 i = 0; i < loop_cnt; i++)
{
sha256_ctx_t ctx;
u32 h[8];
sha256_init (&ctx);
sha256_update (&ctx, w, pw_len);
sha256_final (&ctx);
h[0] = SHA256M_A;
h[1] = SHA256M_B;
h[2] = SHA256M_C;
h[3] = SHA256M_D;
h[4] = SHA256M_E;
h[5] = SHA256M_F;
h[6] = SHA256M_G;
h[7] = SHA256M_H;
w[0] = ctx.h[0];
w[1] = ctx.h[1];
w[2] = ctx.h[2];
w[3] = ctx.h[3];
w[4] = ctx.h[4];
w[5] = ctx.h[5];
w[6] = ctx.h[6];
w[7] = ctx.h[7];
u32 w0[4];
u32 w1[4];
u32 w2[4];
u32 w3[4];
int left;
int idx;
for (left = pw_len, idx = 0; left >= 56; left -= 64, idx += 16)
{
w0[0] = w[idx + 0];
w0[1] = w[idx + 1];
w0[2] = w[idx + 2];
w0[3] = w[idx + 3];
w1[0] = w[idx + 4];
w1[1] = w[idx + 5];
w1[2] = w[idx + 6];
w1[3] = w[idx + 7];
w2[0] = w[idx + 8];
w2[1] = w[idx + 9];
w2[2] = w[idx + 10];
w2[3] = w[idx + 11];
w3[0] = w[idx + 12];
w3[1] = w[idx + 13];
w3[2] = w[idx + 14];
w3[3] = w[idx + 15];
sha256_transform (w0, w1, w2, w3, h);
}
w0[0] = w[idx + 0];
w0[1] = w[idx + 1];
w0[2] = w[idx + 2];
w0[3] = w[idx + 3];
w1[0] = w[idx + 4];
w1[1] = w[idx + 5];
w1[2] = w[idx + 6];
w1[3] = w[idx + 7];
w2[0] = w[idx + 8];
w2[1] = w[idx + 9];
w2[2] = w[idx + 10];
w2[3] = w[idx + 11];
w3[0] = w[idx + 12];
w3[1] = w[idx + 13];
w3[2] = w[idx + 14];
w3[3] = w[idx + 15];
sha256_transform (w0, w1, w2, w3, h);
w[0] = h[0];
w[1] = h[1];
w[2] = h[2];
w[3] = h[3];
w[4] = h[4];
w[5] = h[5];
w[6] = h[6];
w[7] = h[7];
}
tmps[gid].dgst[0] = w[0];
tmps[gid].dgst[1] = w[1];
tmps[gid].dgst[2] = w[2];
tmps[gid].dgst[3] = w[3];
tmps[gid].dgst[4] = w[4];
tmps[gid].dgst[5] = w[5];
tmps[gid].dgst[6] = w[6];
tmps[gid].dgst[7] = w[7];
tmps[gid].pass[0] = w[0];
tmps[gid].pass[1] = w[1];
tmps[gid].pass[2] = w[2];
tmps[gid].pass[3] = w[3];
tmps[gid].pass[4] = w[4];
tmps[gid].pass[5] = w[5];
tmps[gid].pass[6] = w[6];
tmps[gid].pass[7] = w[7];
}
KERNEL_FQ void m22400_comp (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
@ -184,14 +245,14 @@ KERNEL_FQ void m22400_comp (KERN_ATTR_TMPS_ESALT (aescrypt_tmp_t, aescrypt_t))
u32 dgst[16] = { 0 };
dgst[0] = tmps[gid].dgst[0];
dgst[1] = tmps[gid].dgst[1];
dgst[2] = tmps[gid].dgst[2];
dgst[3] = tmps[gid].dgst[3];
dgst[4] = tmps[gid].dgst[4];
dgst[5] = tmps[gid].dgst[5];
dgst[6] = tmps[gid].dgst[6];
dgst[7] = tmps[gid].dgst[7];
dgst[0] = tmps[gid].pass[0];
dgst[1] = tmps[gid].pass[1];
dgst[2] = tmps[gid].pass[2];
dgst[3] = tmps[gid].pass[3];
dgst[4] = tmps[gid].pass[4];
dgst[5] = tmps[gid].pass[5];
dgst[6] = tmps[gid].pass[6];
dgst[7] = tmps[gid].pass[7];
// IV

5
src/modules/module_22400.c
View File

@ -54,9 +54,8 @@ typedef struct aescrypt
typedef struct aescrypt_tmp
{
u32 dgst[8];
u32 pass[128];
u32 len;
u32 pass[144];
int len;
} aescrypt_tmp_t;