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Removed branches in replace_dot_by_len() function of optimized -m 8300 kernels

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This commit is contained in:
Jens Steube 2020-06-09 10:47:18 +02:00
parent 69bdd5012c
commit c0753f361c
3 changed files with 233 additions and 84 deletions
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106
OpenCL/m08300_a0-optimized.cl
View File

@ -16,49 +16,99 @@
#include "inc_hash_sha1.cl" #include "inc_hash_sha1.cl"
#endif #endif
const u32 replace_dots (u32 *w, const u32 idx, const u32 old_len, const u32 pw_len) DECLSPEC u64 u32_to_u64 (const u32 in)
{ {
const u32 min_len = idx << 4; // 2 ^ 4 = 16 for each u32 w[4] const u64 t0 = (u64) ((in >> 0) & 0xff);
const u64 t1 = (u64) ((in >> 8) & 0xff);
const u64 t2 = (u64) ((in >> 16) & 0xff);
const u64 t3 = (u64) ((in >> 24) & 0xff);
if (pw_len <= min_len) return 0; const u64 out = (t0 << 0)
| (t1 << 16)
| (t2 << 32)
| (t3 << 48);
const u32 max_len = pw_len - min_len - 1; return out;
}
const u32 start_pos = (max_len < 15) ? max_len : 15; DECLSPEC u32 u64_to_u32 (const u64 in)
{
const u32 t0 = (u32) ((in >> 0) & 0xff);
const u32 t1 = (u32) ((in >> 16) & 0xff);
const u32 t2 = (u32) ((in >> 32) & 0xff);
const u32 t3 = (u32) ((in >> 48) & 0xff);
u32 cur_len = old_len; const u32 out = (t0 << 0)
| (t1 << 8)
| (t2 << 16)
| (t3 << 24);
for (int pos = (int) start_pos; pos >= 0; pos--) return out;
{ }
const u32 div = pos / 4;
const u32 mod = pos & 3;
const u32 sht = mod << 3;
if (((w[div] >> sht) & 0xff) == 0x2e) // '.' DECLSPEC int replace_u32_le (const u32 input, u32 *output, int cur_len)
{ {
w[div] += (cur_len - 0x2e) << sht; // expand to keep 9th bit consistent
cur_len = 0; u64 input64 = u32_to_u64 (input);
}
else u64 m64 = input64;
{
cur_len++; m64 ^= 0x002e002e002e002e; // convert 0x2e to 0x00
} m64 ^= 0x00ff00ff00ff00ff; // convert 0x00 to 0xff (jit will optimize this to one instruction)
} m64 += 0x0001000100010001; // only 0xff can set 9th bit
m64 &= 0x0100010001000100; // only 9th bit survives
m64 |= m64 << 1; // converts 0x0100 to 0xff00
m64 |= m64 << 2;
m64 |= m64 << 4;
m64 >>= 8; // back to original positions (in 64 bit)
u32 m = u64_to_u32 (m64);
u32 r = 0;
const u32 mn = ~m;
const u32 r0 = mn & 0x000000ff;
const u32 r1 = mn & 0x0000ff00;
const u32 r2 = mn & 0x00ff0000;
const u32 r3 = mn & 0xff000000;
cur_len <<= 24;
r |= cur_len; cur_len = (cur_len + 0x01000000) & r3; cur_len >>= 8;
r |= cur_len; cur_len = (cur_len + 0x00010000) & r2; cur_len >>= 8;
r |= cur_len; cur_len = (cur_len + 0x00000100) & r1; cur_len >>= 8;
r |= cur_len; cur_len = (cur_len + 0x00000001) & r0;
*output = (input & mn) | (r & m);
return cur_len; return cur_len;
} }
const u32 replace_dot_by_len (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 pw_len) DECLSPEC u32 replace_dot_by_len (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 pw_len)
{ {
u32 cur_len = 0;
// loop over w3...w0 (4 * 16 = 64 bytes): // loop over w3...w0 (4 * 16 = 64 bytes):
cur_len = replace_dots (w3, 3, cur_len, pw_len); int cur_len = 0 - (64 - pw_len); // number of padding bytes relative to buffer size
cur_len = replace_dots (w2, 2, cur_len, pw_len);
cur_len = replace_dots (w1, 1, cur_len, pw_len); cur_len = replace_u32_le (w3[3], &w3[3], cur_len);
cur_len = replace_dots (w0, 0, cur_len, pw_len); cur_len = replace_u32_le (w3[2], &w3[2], cur_len);
cur_len = replace_u32_le (w3[1], &w3[1], cur_len);
cur_len = replace_u32_le (w3[0], &w3[0], cur_len);
cur_len = replace_u32_le (w2[3], &w2[3], cur_len);
cur_len = replace_u32_le (w2[2], &w2[2], cur_len);
cur_len = replace_u32_le (w2[1], &w2[1], cur_len);
cur_len = replace_u32_le (w2[0], &w2[0], cur_len);
cur_len = replace_u32_le (w1[3], &w1[3], cur_len);
cur_len = replace_u32_le (w1[2], &w1[2], cur_len);
cur_len = replace_u32_le (w1[1], &w1[1], cur_len);
cur_len = replace_u32_le (w1[0], &w1[0], cur_len);
cur_len = replace_u32_le (w0[3], &w0[3], cur_len);
cur_len = replace_u32_le (w0[2], &w0[2], cur_len);
cur_len = replace_u32_le (w0[1], &w0[1], cur_len);
cur_len = replace_u32_le (w0[0], &w0[0], cur_len);
return cur_len; return cur_len;
} }

106
OpenCL/m08300_a1-optimized.cl
View File

@ -14,49 +14,99 @@
#include "inc_hash_sha1.cl" #include "inc_hash_sha1.cl"
#endif #endif
const u32 replace_dots (u32 *w, const u32 idx, const u32 old_len, const u32 pw_len) DECLSPEC u64 u32_to_u64 (const u32 in)
{ {
const u32 min_len = idx << 4; // 2 ^ 4 = 16 for each u32 w[4] const u64 t0 = (u64) ((in >> 0) & 0xff);
const u64 t1 = (u64) ((in >> 8) & 0xff);
const u64 t2 = (u64) ((in >> 16) & 0xff);
const u64 t3 = (u64) ((in >> 24) & 0xff);
if (pw_len <= min_len) return 0; const u64 out = (t0 << 0)
| (t1 << 16)
| (t2 << 32)
| (t3 << 48);
const u32 max_len = pw_len - min_len - 1; return out;
}
const u32 start_pos = (max_len < 15) ? max_len : 15; DECLSPEC u32 u64_to_u32 (const u64 in)
{
const u32 t0 = (u32) ((in >> 0) & 0xff);
const u32 t1 = (u32) ((in >> 16) & 0xff);
const u32 t2 = (u32) ((in >> 32) & 0xff);
const u32 t3 = (u32) ((in >> 48) & 0xff);
u32 cur_len = old_len; const u32 out = (t0 << 0)
| (t1 << 8)
| (t2 << 16)
| (t3 << 24);
for (int pos = (int) start_pos; pos >= 0; pos--) return out;
{ }
const u32 div = pos / 4;
const u32 mod = pos & 3;
const u32 sht = mod << 3;
if (((w[div] >> sht) & 0xff) == 0x2e) // '.' DECLSPEC int replace_u32_le (const u32 input, u32 *output, int cur_len)
{ {
w[div] += (cur_len - 0x2e) << sht; // expand to keep 9th bit consistent
cur_len = 0; u64 input64 = u32_to_u64 (input);
}
else u64 m64 = input64;
{
cur_len++; m64 ^= 0x002e002e002e002e; // convert 0x2e to 0x00
} m64 ^= 0x00ff00ff00ff00ff; // convert 0x00 to 0xff (jit will optimize this to one instruction)
} m64 += 0x0001000100010001; // only 0xff can set 9th bit
m64 &= 0x0100010001000100; // only 9th bit survives
m64 |= m64 << 1; // converts 0x0100 to 0xff00
m64 |= m64 << 2;
m64 |= m64 << 4;
m64 >>= 8; // back to original positions (in 64 bit)
u32 m = u64_to_u32 (m64);
u32 r = 0;
const u32 mn = ~m;
const u32 r0 = mn & 0x000000ff;
const u32 r1 = mn & 0x0000ff00;
const u32 r2 = mn & 0x00ff0000;
const u32 r3 = mn & 0xff000000;
cur_len <<= 24;
r |= cur_len; cur_len = (cur_len + 0x01000000) & r3; cur_len >>= 8;
r |= cur_len; cur_len = (cur_len + 0x00010000) & r2; cur_len >>= 8;
r |= cur_len; cur_len = (cur_len + 0x00000100) & r1; cur_len >>= 8;
r |= cur_len; cur_len = (cur_len + 0x00000001) & r0;
*output = (input & mn) | (r & m);
return cur_len; return cur_len;
} }
const u32 replace_dot_by_len (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 pw_len) DECLSPEC u32 replace_dot_by_len (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 pw_len)
{ {
u32 cur_len = 0;
// loop over w3...w0 (4 * 16 = 64 bytes): // loop over w3...w0 (4 * 16 = 64 bytes):
cur_len = replace_dots (w3, 3, cur_len, pw_len); int cur_len = 0 - (64 - pw_len); // number of padding bytes relative to buffer size
cur_len = replace_dots (w2, 2, cur_len, pw_len);
cur_len = replace_dots (w1, 1, cur_len, pw_len); cur_len = replace_u32_le (w3[3], &w3[3], cur_len);
cur_len = replace_dots (w0, 0, cur_len, pw_len); cur_len = replace_u32_le (w3[2], &w3[2], cur_len);
cur_len = replace_u32_le (w3[1], &w3[1], cur_len);
cur_len = replace_u32_le (w3[0], &w3[0], cur_len);
cur_len = replace_u32_le (w2[3], &w2[3], cur_len);
cur_len = replace_u32_le (w2[2], &w2[2], cur_len);
cur_len = replace_u32_le (w2[1], &w2[1], cur_len);
cur_len = replace_u32_le (w2[0], &w2[0], cur_len);
cur_len = replace_u32_le (w1[3], &w1[3], cur_len);
cur_len = replace_u32_le (w1[2], &w1[2], cur_len);
cur_len = replace_u32_le (w1[1], &w1[1], cur_len);
cur_len = replace_u32_le (w1[0], &w1[0], cur_len);
cur_len = replace_u32_le (w0[3], &w0[3], cur_len);
cur_len = replace_u32_le (w0[2], &w0[2], cur_len);
cur_len = replace_u32_le (w0[1], &w0[1], cur_len);
cur_len = replace_u32_le (w0[0], &w0[0], cur_len);
return cur_len; return cur_len;
} }

105
OpenCL/m08300_a3-optimized.cl
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@ -14,49 +14,98 @@
#include "inc_hash_sha1.cl" #include "inc_hash_sha1.cl"
#endif #endif
const u32 replace_dots (u32 *w, const u32 idx, const u32 old_len, const u32 pw_len) DECLSPEC u64 u32_to_u64 (const u32 in)
{ {
const u32 min_len = idx << 4; // 2 ^ 4 = 16 for each u32 w[4] const u64 t0 = (u64) ((in >> 24) & 0xff);
const u64 t1 = (u64) ((in >> 16) & 0xff);
const u64 t2 = (u64) ((in >> 8) & 0xff);
const u64 t3 = (u64) ((in >> 0) & 0xff);
if (pw_len <= min_len) return 0; const u64 out = (t0 << 48)
| (t1 << 32)
| (t2 << 16)
| (t3 << 0);
const u32 max_len = pw_len - min_len - 1; return out;
}
const u32 start_pos = (max_len < 15) ? max_len : 15; DECLSPEC u32 u64_to_u32 (const u64 in)
{
const u32 t0 = (u32) ((in >> 48) & 0xff);
const u32 t1 = (u32) ((in >> 32) & 0xff);
const u32 t2 = (u32) ((in >> 16) & 0xff);
const u32 t3 = (u32) ((in >> 0) & 0xff);
u32 cur_len = old_len; const u32 out = (t0 << 24)
| (t1 << 16)
| (t2 << 8)
| (t3 << 0);
for (int pos = (int) start_pos; pos >= 0; pos--) return out;
{ }
const u32 div = pos / 4;
const u32 mod = pos & 3;
const u32 sht = (3 - mod) << 3;
if (((w[div] >> sht) & 0xff) == 0x2e) // '.' DECLSPEC int replace_u32_be (const u32 input, u32 *output, int cur_len)
{ {
w[div] += (cur_len - 0x2e) << sht; // expand to keep 9th bit consistent
cur_len = 0; u64 input64 = u32_to_u64 (input);
}
else u64 m64 = input64;
{
cur_len++; m64 ^= 0x002e002e002e002e; // convert 0x2e to 0x00
} m64 ^= 0x00ff00ff00ff00ff; // convert 0x00 to 0xff (jit will optimize this to one instruction)
} m64 += 0x0001000100010001; // only 0xff can set 9th bit
m64 &= 0x0100010001000100; // only 9th bit survives
m64 |= m64 << 1; // converts 0x0100 to 0xff00
m64 |= m64 << 2;
m64 |= m64 << 4;
m64 >>= 8; // back to original positions (in 64 bit)
u32 m = u64_to_u32 (m64);
u32 r = 0;
const u32 mn = ~m;
const u32 r0 = mn & 0xff000000;
const u32 r1 = mn & 0x00ff0000;
const u32 r2 = mn & 0x0000ff00;
const u32 r3 = mn & 0x000000ff;
r |= cur_len; cur_len = (cur_len + 0x00000001) & r3; cur_len <<= 8;
r |= cur_len; cur_len = (cur_len + 0x00000100) & r2; cur_len <<= 8;
r |= cur_len; cur_len = (cur_len + 0x00010000) & r1; cur_len <<= 8;
r |= cur_len; cur_len = (cur_len + 0x01000000) & r0; cur_len >>= 24;
*output = (input & mn) | (r & m);
return cur_len; return cur_len;
} }
const u32 replace_dot_by_len (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 pw_len) DECLSPEC u32 replace_dot_by_len (u32 *w0, u32 *w1, u32 *w2, u32 *w3, const u32 pw_len)
{ {
u32 cur_len = 0;
// loop over w3...w0 (4 * 16 = 64 bytes): // loop over w3...w0 (4 * 16 = 64 bytes):
cur_len = replace_dots (w3, 3, cur_len, pw_len); int cur_len = 0 - (64 - pw_len); // number of padding bytes relative to buffer size
cur_len = replace_dots (w2, 2, cur_len, pw_len);
cur_len = replace_dots (w1, 1, cur_len, pw_len); cur_len = replace_u32_be (w3[3], &w3[3], cur_len);
cur_len = replace_dots (w0, 0, cur_len, pw_len); cur_len = replace_u32_be (w3[2], &w3[2], cur_len);
cur_len = replace_u32_be (w3[1], &w3[1], cur_len);
cur_len = replace_u32_be (w3[0], &w3[0], cur_len);
cur_len = replace_u32_be (w2[3], &w2[3], cur_len);
cur_len = replace_u32_be (w2[2], &w2[2], cur_len);
cur_len = replace_u32_be (w2[1], &w2[1], cur_len);
cur_len = replace_u32_be (w2[0], &w2[0], cur_len);
cur_len = replace_u32_be (w1[3], &w1[3], cur_len);
cur_len = replace_u32_be (w1[2], &w1[2], cur_len);
cur_len = replace_u32_be (w1[1], &w1[1], cur_len);
cur_len = replace_u32_be (w1[0], &w1[0], cur_len);
cur_len = replace_u32_be (w0[3], &w0[3], cur_len);
cur_len = replace_u32_be (w0[2], &w0[2], cur_len);
cur_len = replace_u32_be (w0[1], &w0[1], cur_len);
cur_len = replace_u32_be (w0[0], &w0[0], cur_len);
return cur_len; return cur_len;
} }