forked from tecracoin/ccminer
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathcuda_sha256.cu
282 lines (232 loc) · 8.4 KB
/
cuda_sha256.cu
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
#include <stdio.h>
#include <memory.h>
#include "cuda_helper.h"
// globaler Speicher für alle HeftyHashes aller Threads
extern uint32_t *heavy_heftyHashes[MAX_GPUS];
extern uint32_t *heavy_nonceVector[MAX_GPUS];
// globaler Speicher für unsere Ergebnisse
uint32_t *d_hash2output[MAX_GPUS];
/* Hash-Tabellen */
__constant__ uint32_t sha256_gpu_constantTable[64];
// muss expandiert werden
__constant__ uint32_t sha256_gpu_blockHeader[16]; // 2x512 Bit Message
__constant__ uint32_t sha256_gpu_register[8];
uint32_t sha256_cpu_hashTable[] = { 0x6a09e667, 0xbb67ae85, 0x3c6ef372, 0xa54ff53a, 0x510e527f, 0x9b05688c, 0x1f83d9ab, 0x5be0cd19 };
uint32_t sha256_cpu_constantTable[] = {
0x428a2f98, 0x71374491, 0xb5c0fbcf, 0xe9b5dba5, 0x3956c25b, 0x59f111f1, 0x923f82a4, 0xab1c5ed5,
0xd807aa98, 0x12835b01, 0x243185be, 0x550c7dc3, 0x72be5d74, 0x80deb1fe, 0x9bdc06a7, 0xc19bf174,
0xe49b69c1, 0xefbe4786, 0x0fc19dc6, 0x240ca1cc, 0x2de92c6f, 0x4a7484aa, 0x5cb0a9dc, 0x76f988da,
0x983e5152, 0xa831c66d, 0xb00327c8, 0xbf597fc7, 0xc6e00bf3, 0xd5a79147, 0x06ca6351, 0x14292967,
0x27b70a85, 0x2e1b2138, 0x4d2c6dfc, 0x53380d13, 0x650a7354, 0x766a0abb, 0x81c2c92e, 0x92722c85,
0xa2bfe8a1, 0xa81a664b, 0xc24b8b70, 0xc76c51a3, 0xd192e819, 0xd6990624, 0xf40e3585, 0x106aa070,
0x19a4c116, 0x1e376c08, 0x2748774c, 0x34b0bcb5, 0x391c0cb3, 0x4ed8aa4a, 0x5b9cca4f, 0x682e6ff3,
0x748f82ee, 0x78a5636f, 0x84c87814, 0x8cc70208, 0x90befffa, 0xa4506ceb, 0xbef9a3f7, 0xc67178f2,
};
#define S(x, n) (((x) >> (n)) | ((x) << (32 - (n))))
#define R(x, n) ((x) >> (n))
#define Ch(x, y, z) ((x & (y ^ z)) ^ z)
#define Maj(x, y, z) ((x & (y | z)) | (y & z))
#define S0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
#define S1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
#define s0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
#define s1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
#define SWAB32(x) ( ((x & 0x000000FF) << 24) | ((x & 0x0000FF00) << 8) | ((x & 0x00FF0000) >> 8) | ((x & 0xFF000000) >> 24) )
// Die Hash-Funktion
template <int BLOCKSIZE> __global__ void sha256_gpu_hash(uint32_t threads, uint32_t startNounce, void *outputHash, uint32_t *heftyHashes, uint32_t *nonceVector)
{
uint32_t thread = (blockDim.x * blockIdx.x + threadIdx.x);
if (thread < threads)
{
// bestimme den aktuellen Zähler
uint32_t nounce = startNounce + thread;
nonceVector[thread] = nounce;
// jeder thread in diesem Block bekommt sein eigenes W Array im Shared memory
uint32_t W1[16];
uint32_t W2[16];
// Initialisiere die register a bis h mit der Hash-Tabelle
uint32_t regs[8];
uint32_t hash[8];
// pre
#pragma unroll 8
for (int k=0; k < 8; k++)
{
regs[k] = sha256_gpu_register[k];
hash[k] = regs[k];
}
// 2. Runde
//memcpy(W, &sha256_gpu_blockHeader[0], sizeof(uint32_t) * 16); // TODO: aufsplitten in zwei Teilblöcke
//memcpy(&W[5], &heftyHashes[8 * (blockDim.x * blockIdx.x + threadIdx.x)], sizeof(uint32_t) * 8); // den richtigen Hefty1 Hash holen
#pragma unroll 16
for(int k=0;k<16;k++)
W1[k] = sha256_gpu_blockHeader[k];
uint32_t offset = 8 * (blockDim.x * blockIdx.x + threadIdx.x);
#pragma unroll 8
for(int k=0;k<8;k++)
W1[((BLOCKSIZE-64)/4)+k] = heftyHashes[offset + k];
#pragma unroll 8
for (int i=((BLOCKSIZE-64)/4); i < ((BLOCKSIZE-64)/4)+8; ++i) W1[i] = SWAB32(W1[i]); // die Hefty1 Hashes brauchen eine Drehung ;)
W1[3] = SWAB32(nounce);
// Progress W1
#pragma unroll 16
for(int j=0;j<16;j++)
{
uint32_t T1, T2;
T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_gpu_constantTable[j] + W1[j];
T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
#pragma unroll 7
for (int k=6; k >= 0; k--) regs[k+1] = regs[k];
regs[0] = T1 + T2;
regs[4] += T1;
}
// Progress W2...W3
#pragma unroll 3
for(int k=0;k<3;k++)
{
#pragma unroll 2
for(int j=0;j<2;j++)
W2[j] = s1(W1[14+j]) + W1[9+j] + s0(W1[1+j]) + W1[j];
#pragma unroll 5
for(int j=2;j<7;j++)
W2[j] = s1(W2[j-2]) + W1[9+j] + s0(W1[1+j]) + W1[j];
#pragma unroll 8
for(int j=7;j<15;j++)
W2[j] = s1(W2[j-2]) + W2[j-7] + s0(W1[1+j]) + W1[j];
W2[15] = s1(W2[13]) + W2[8] + s0(W2[0]) + W1[15];
// Rundenfunktion
#pragma unroll 16
for(int j=0;j<16;j++)
{
uint32_t T1, T2;
T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_gpu_constantTable[j + 16 * (k+1)] + W2[j];
T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
#pragma unroll 7
for (int l=6; l >= 0; l--) regs[l+1] = regs[l];
regs[0] = T1 + T2;
regs[4] += T1;
}
#pragma unroll 16
for(int j=0;j<16;j++)
W1[j] = W2[j];
}
/*
for(int j=16;j<64;j++)
W[j] = s1(W[j-2]) + W[j-7] + s0(W[j-15]) + W[j-16];
#pragma unroll 64
for(int j=0;j<64;j++)
{
uint32_t T1, T2;
T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_gpu_constantTable[j] + W[j];
T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
#pragma unroll 7
for (int k=6; k >= 0; k--) regs[k+1] = regs[k];
regs[0] = T1 + T2;
regs[4] += T1;
}
*/
#pragma unroll 8
for(int k=0;k<8;k++)
hash[k] += regs[k];
#pragma unroll 8
for(int k=0;k<8;k++)
((uint32_t*)outputHash)[8*thread+k] = SWAB32(hash[k]);
}
}
// Setup Function
__host__
void sha256_cpu_init(int thr_id, uint32_t threads)
{
// Kopiere die Hash-Tabellen in den GPU-Speicher
cudaMemcpyToSymbol( sha256_gpu_constantTable,
sha256_cpu_constantTable,
sizeof(uint32_t) * 64 );
// Speicher für alle Ergebnisse belegen
cudaMalloc(&d_hash2output[thr_id], (size_t) 8 * sizeof(uint32_t) * threads);
}
__host__
void sha256_cpu_free(int thr_id)
{
cudaFree(d_hash2output[thr_id]);
}
static int BLOCKSIZE = 84;
__host__ void sha256_cpu_setBlock(void *data, int len)
// data muss 80/84-Byte haben!
// heftyHash hat 32-Byte
{
// Nachricht expandieren und setzen
uint32_t msgBlock[32];
memset(msgBlock, 0, sizeof(uint32_t) * 32);
memcpy(&msgBlock[0], data, len);
if (len == 84) {
memset(&msgBlock[21], 0, 32); // vorläufig Nullen anstatt der Hefty1 Hashes einfüllen
msgBlock[29] |= 0x80;
msgBlock[31] = 928; // bitlen
} else if (len == 80) {
memset(&msgBlock[20], 0, 32); // vorläufig Nullen anstatt der Hefty1 Hashes einfüllen
msgBlock[28] |= 0x80;
msgBlock[31] = 896; // bitlen
}
for(int i=0;i<31;i++) // Byteorder drehen
msgBlock[i] = SWAB32(msgBlock[i]);
// die erste Runde wird auf der CPU durchgeführt, da diese für
// alle Threads gleich ist. Der Hash wird dann an die Threads
// übergeben
uint32_t W[64];
// Erstelle expandierten Block W
memcpy(W, &msgBlock[0], sizeof(uint32_t) * 16);
for(int j=16;j<64;j++)
W[j] = s1(W[j-2]) + W[j-7] + s0(W[j-15]) + W[j-16];
// Initialisiere die register a bis h mit der Hash-Tabelle
uint32_t regs[8];
uint32_t hash[8];
// pre
for (int k=0; k < 8; k++)
{
regs[k] = sha256_cpu_hashTable[k];
hash[k] = regs[k];
}
// 1. Runde
for(int j=0;j<64;j++)
{
uint32_t T1, T2;
T1 = regs[7] + S1(regs[4]) + Ch(regs[4], regs[5], regs[6]) + sha256_cpu_constantTable[j] + W[j];
T2 = S0(regs[0]) + Maj(regs[0], regs[1], regs[2]);
//#pragma unroll 7
for (int k=6; k >= 0; k--) regs[k+1] = regs[k];
// sollte mal noch durch memmov ersetzt werden!
// memcpy(®s[1], ®s[0], sizeof(uint32_t) * 7);
regs[0] = T1 + T2;
regs[4] += T1;
}
for(int k=0;k<8;k++)
hash[k] += regs[k];
// hash speichern
cudaMemcpyToSymbol( sha256_gpu_register,
hash,
sizeof(uint32_t) * 8 );
// Blockheader setzen (korrekte Nonce und Hefty Hash fehlen da drin noch)
cudaMemcpyToSymbol( sha256_gpu_blockHeader,
&msgBlock[16],
64);
BLOCKSIZE = len;
}
__host__ void sha256_cpu_copyHeftyHash(int thr_id, uint32_t threads, void *heftyHashes, int copy)
{
// Hefty1 Hashes kopieren
if (copy)
CUDA_SAFE_CALL(cudaMemcpy(heavy_heftyHashes[thr_id], heftyHashes, 8 * sizeof(uint32_t) * threads, cudaMemcpyHostToDevice));
//else cudaThreadSynchronize();
}
__host__ void sha256_cpu_hash(int thr_id, uint32_t threads, int startNounce)
{
const uint32_t threadsperblock = 256;
// berechne wie viele Thread Blocks wir brauchen
dim3 grid((threads + threadsperblock-1)/threadsperblock);
dim3 block(threadsperblock);
// Größe des dynamischen Shared Memory Bereichs
size_t shared_size = 0;
if (BLOCKSIZE == 84)
sha256_gpu_hash<84><<<grid, block, shared_size>>>(threads, startNounce, d_hash2output[thr_id], heavy_heftyHashes[thr_id], heavy_nonceVector[thr_id]);
else if (BLOCKSIZE == 80) {
sha256_gpu_hash<80><<<grid, block, shared_size>>>(threads, startNounce, d_hash2output[thr_id], heavy_heftyHashes[thr_id], heavy_nonceVector[thr_id]);
}
}