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xpmclient.cpp
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/*
* xpmclient.cpp
*
* Created on: 01.05.2014
* Author: mad
*/
#include "xpmclient.h"
#include "prime.h"
#include "benchmarks.h"
extern "C" {
#include "adl.h"
}
#include <fstream>
#include <set>
#include <memory>
#include <chrono>
#if defined(__GXX_EXPERIMENTAL_CXX0X__) && (__cplusplus < 201103L)
#define steady_clock monotonic_clock
#endif
cl_context gContext = 0;
cl_program gProgram = 0;
std::vector<unsigned> gPrimes2;
double GetPrimeDifficulty(unsigned int nBits)
{
return ((double) nBits / (double) (1 << nFractionalBits));
}
BaseClient *createClient(zctx_t *ctx)
{
return new XPMClient(ctx);
}
PrimeMiner::PrimeMiner(unsigned id, unsigned threads, unsigned hashprim, unsigned prim, unsigned sievePerRound, unsigned depth, unsigned LSize) {
mID = id;
mThreads = threads;
mHashPrimorial = hashprim;
mPrimorial = prim;
mSievePerRound = sievePerRound;
mDepth = depth;
mLSize = LSize;
mBlockSize = 0;
mConfig = {0};
mBig = 0;
mSmall = 0;
mHashMod = 0;
mSieveSetup = 0;
mSieve = 0;
mSieveSearch = 0;
mFermatSetup = 0;
mFermatKernel352 = 0;
mFermatKernel320 = 0;
mFermatCheck = 0;
MakeExit = false;
}
PrimeMiner::~PrimeMiner() {
if(mBig) OCL(clReleaseCommandQueue(mBig));
if(mSmall) OCL(clReleaseCommandQueue(mSmall));
if(mHashMod) OCL(clReleaseKernel(mHashMod));
if(mSieveSetup) OCL(clReleaseKernel(mSieveSetup));
if(mSieve) OCL(clReleaseKernel(mSieve));
if(mSieveSearch) OCL(clReleaseKernel(mSieveSearch));
if(mFermatSetup) OCL(clReleaseKernel(mFermatSetup));
if(mFermatKernel352) OCL(clReleaseKernel(mFermatKernel352));
if(mFermatKernel320) OCL(clReleaseKernel(mFermatKernel320));
if(mFermatCheck) OCL(clReleaseKernel(mFermatCheck));
}
bool PrimeMiner::Initialize(cl_device_id dev) {
cl_int error;
mHashMod = clCreateKernel(gProgram, "bhashmodUsePrecalc", &error);
mSieveSetup = clCreateKernel(gProgram, "setup_sieve", &error);
mSieve = clCreateKernel(gProgram, "sieve", &error);
mSieveSearch = clCreateKernel(gProgram, "s_sieve", &error);
mFermatSetup = clCreateKernel(gProgram, "setup_fermat", &error);
mFermatKernel352 = clCreateKernel(gProgram, "fermat_kernel", &error);
mFermatKernel320 = clCreateKernel(gProgram, "fermat_kernel320", &error);
mFermatCheck = clCreateKernel(gProgram, "check_fermat", &error);
OCLR(error, false);
mBig = clCreateCommandQueue(gContext, dev, 0, &error);
mSmall = clCreateCommandQueue(gContext, dev, 0, &error);
OCLR(error, false);
{
clBuffer<config_t> config;
config.init(1);
cl_kernel getconf = clCreateKernel(gProgram, "getconfig", &error);
OCLR(error, false);
OCLR(clSetKernelArg(getconf, 0, sizeof(cl_mem), &config.DeviceData), false);
OCLR(clEnqueueTask(mSmall, getconf, 0, 0, 0), false);
config.copyToHost(mSmall, true);
mConfig = *config.HostData;
OCLR(clReleaseKernel(getconf), false);
}
printf("N=%d SIZE=%d STRIPES=%d WIDTH=%d PCOUNT=%d TARGET=%d\n",
mConfig.N, mConfig.SIZE, mConfig.STRIPES, mConfig.WIDTH, mConfig.PCOUNT, mConfig.TARGET);
cl_uint numCU;
OCLR(clGetDeviceInfo(dev, CL_DEVICE_MAX_COMPUTE_UNITS, sizeof(cl_uint), &numCU, 0), false);
mBlockSize = numCU * 4 * 64;
printf("GPU %d: has %d CUs\n", mID, numCU);
return true;
}
void PrimeMiner::InvokeMining(void *args, zctx_t *ctx, void *pipe) {
((PrimeMiner*)args)->Mining(ctx, pipe);
}
void PrimeMiner::FermatInit(pipeline_t &fermat, unsigned mfs)
{
fermat.current = 0;
fermat.bsize = 0;
fermat.input.init(mfs*mConfig.N, CL_MEM_HOST_NO_ACCESS);
fermat.output.init(mfs, CL_MEM_HOST_NO_ACCESS);
for(int i = 0; i < 2; ++i){
fermat.buffer[i].info.init(mfs, CL_MEM_HOST_NO_ACCESS);
fermat.buffer[i].count.init(1, CL_MEM_ALLOC_HOST_PTR);
}
}
void PrimeMiner::FermatDispatch(pipeline_t &fermat,
clBuffer<fermat_t> sieveBuffers[SW][FERMAT_PIPELINES][2],
clBuffer<cl_uint> candidatesCountBuffers[SW][2],
unsigned pipelineIdx,
int ridx,
int widx,
uint64_t &testCount,
uint64_t &fermatCount,
cl_kernel fermatKernel,
unsigned sievePerRound)
{
// fermat dispatch
{
cl_uint& count = fermat.buffer[ridx].count[0];
cl_uint left = fermat.buffer[widx].count[0] - fermat.bsize;
if(left > 0){
OCL(clEnqueueCopyBuffer( mBig,
fermat.buffer[widx].info.DeviceData,
fermat.buffer[ridx].info.DeviceData,
fermat.bsize*sizeof(fermat_t), count*sizeof(fermat_t),
left*sizeof(fermat_t), 0, 0, 0));
count += left;
}
for(int i = 0; i < sievePerRound; ++i){
cl_uint& avail = (candidatesCountBuffers[i][ridx])[pipelineIdx];
if(avail){
OCL(clEnqueueCopyBuffer(mBig,
sieveBuffers[i][pipelineIdx][ridx].DeviceData,
fermat.buffer[ridx].info.DeviceData,
0, count*sizeof(fermat_t),
avail*sizeof(fermat_t), 0, 0, 0));
count += avail;
testCount += avail;
fermatCount += avail;
avail = 0;
}
}
fermat.buffer[widx].count[0] = 0;
fermat.buffer[widx].count.copyToDevice(mBig, false);
fermat.bsize = 0;
if(count > mBlockSize){
fermat.bsize = count - (count % mBlockSize);
size_t globalSize[] = { fermat.bsize, 1, 1 };
size_t localSize[] = { 64, 1, 1 };
OCL(clSetKernelArg(mFermatSetup, 0, sizeof(cl_mem), &fermat.input.DeviceData));
OCL(clSetKernelArg(mFermatSetup, 1, sizeof(cl_mem), &fermat.buffer[ridx].info.DeviceData));
OCL(clEnqueueNDRangeKernel(mBig, mFermatSetup, 1, 0, globalSize, 0, 0, 0, 0));
OCL(clSetKernelArg(fermatKernel, 0, sizeof(cl_mem), &fermat.output.DeviceData));
OCL(clSetKernelArg(fermatKernel, 1, sizeof(cl_mem), &fermat.input.DeviceData));
OCL(clEnqueueNDRangeKernel(mBig, fermatKernel, 1, 0, globalSize, localSize, 0, 0, 0));
OCL(clSetKernelArg(mFermatCheck, 0, sizeof(cl_mem), &fermat.buffer[widx].info.DeviceData));
OCL(clSetKernelArg(mFermatCheck, 1, sizeof(cl_mem), &fermat.buffer[widx].count.DeviceData));
OCL(clSetKernelArg(mFermatCheck, 4, sizeof(cl_mem), &fermat.output.DeviceData));
OCL(clSetKernelArg(mFermatCheck, 5, sizeof(cl_mem), &fermat.buffer[ridx].info.DeviceData));
OCL(clEnqueueNDRangeKernel(mBig, mFermatCheck, 1, 0, globalSize, 0, 0, 0, 0));
fermat.buffer[widx].count.copyToHost(mBig, false);
} else {
// printf(" * warning: no enough candidates available (pipeline %u)\n", pipelineIdx);
}
//printf("fermat: total of %d infos, bsize = %d\n", count, fermat.bsize);
}
}
void PrimeMiner::Mining(zctx_t *ctx, void *pipe) {
void* blocksub = zsocket_new(ctx, ZMQ_SUB);
void* worksub = zsocket_new(ctx, ZMQ_SUB);
void* statspush = zsocket_new(ctx, ZMQ_PUSH);
void* sharepush = zsocket_new(ctx, ZMQ_PUSH);
zsocket_connect(blocksub, "inproc://blocks");
zsocket_connect(worksub, "inproc://work");
zsocket_connect(statspush, "inproc://stats");
zsocket_connect(sharepush, "inproc://shares");
{
const char one[2] = {1, 0};
zsocket_set_subscribe(blocksub, one);
zsocket_set_subscribe(worksub, one);
}
proto::Block block;
proto::Work work;
proto::Share share;
block.set_height(1);
work.set_height(0);
share.set_addr(gAddr);
share.set_name(gClientName);
share.set_clientid(gClientID);
stats_t stats;
stats.id = mID;
stats.errors = 0;
stats.fps = 0;
stats.primeprob = 0;
stats.cpd = 0;
uint64_t fermatCount = 1;
uint64_t primeCount = 1;
time_t time1 = time(0);
time_t time2 = time(0);
uint64_t testCount = 0;
unsigned iteration = 0;
mpz_class primorial[maxHashPrimorial];
block_t blockheader;
search_t hashmod;
lifoBuffer<hash_t> hashes(PW);
clBuffer<cl_uint> hashBuf;
clBuffer<cl_uint> sieveBuf[2];
clBuffer<cl_uint> sieveOff[2];
clBuffer<fermat_t> sieveBuffers[SW][FERMAT_PIPELINES][2];
clBuffer<cl_uint> candidatesCountBuffers[SW][2];
pipeline_t fermat320;
pipeline_t fermat352;
CPrimalityTestParams testParams;
std::vector<fermat_t> candis;
cl_mem primeBuf[maxHashPrimorial];
cl_mem primeBuf2[maxHashPrimorial];
for (unsigned i = 0; i < maxHashPrimorial - mPrimorial; i++) {
cl_int error = 0;
primeBuf[i] = clCreateBuffer(gContext, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR,
mConfig.PCOUNT*sizeof(cl_uint), &gPrimes[mPrimorial+i+1], &error);
OCL(error);
primeBuf2[i] = clCreateBuffer(gContext, CL_MEM_READ_ONLY | CL_MEM_COPY_HOST_PTR,
mConfig.PCOUNT*2*sizeof(cl_uint), &gPrimes2[2*(mPrimorial+i)+2], &error);
OCL(error);
mpz_class p = 1;
for(unsigned j = 0; j <= mPrimorial+i; j++)
p *= gPrimes[j];
primorial[i] = p;
}
{
unsigned primorialbits = mpz_sizeinbase(primorial[0].get_mpz_t(), 2);
mpz_class sievesize = mConfig.SIZE*32*mConfig.STRIPES;
unsigned sievebits = mpz_sizeinbase(sievesize.get_mpz_t(), 2);
printf("GPU %d: primorial = %s (%d bits)\n", mID, primorial[0].get_str(10).c_str(), primorialbits);
printf("GPU %d: sieve size = %s (%d bits)\n", mID, sievesize.get_str(10).c_str(), sievebits);
}
hashmod.midstate.init(8*sizeof(cl_uint), CL_MEM_ALLOC_HOST_PTR | CL_MEM_READ_ONLY);
hashmod.found.init(128, CL_MEM_ALLOC_HOST_PTR);
hashmod.primorialBitField.init(128, CL_MEM_ALLOC_HOST_PTR);
hashmod.count.init(1, CL_MEM_ALLOC_HOST_PTR);
hashBuf.init(PW*mConfig.N, CL_MEM_READ_WRITE);
for(int sieveIdx = 0; sieveIdx < SW; ++sieveIdx) {
for(int instIdx = 0; instIdx < 2; ++instIdx){
for (int pipelineIdx = 0; pipelineIdx < FERMAT_PIPELINES; pipelineIdx++)
sieveBuffers[sieveIdx][pipelineIdx][instIdx].init(MSO, CL_MEM_HOST_NO_ACCESS);
candidatesCountBuffers[sieveIdx][instIdx].init(FERMAT_PIPELINES, CL_MEM_ALLOC_HOST_PTR);
}
}
for(int k = 0; k < 2; ++k){
sieveBuf[k].init(mConfig.SIZE*mConfig.STRIPES/2*mConfig.WIDTH, CL_MEM_HOST_NO_ACCESS);
sieveOff[k].init(mConfig.PCOUNT*mConfig.WIDTH, CL_MEM_HOST_NO_ACCESS);
}
final.info.init(MFS/(4*mDepth), CL_MEM_ALLOC_HOST_PTR);
final.count.init(1, CL_MEM_ALLOC_HOST_PTR);
FermatInit(fermat320, MFS);
FermatInit(fermat352, MFS);
clBuffer<cl_uint> modulosBuf[maxHashPrimorial];
unsigned modulosBufferSize = mConfig.PCOUNT*(mConfig.N-1);
for (unsigned bufIdx = 0; bufIdx < maxHashPrimorial-mPrimorial; bufIdx++) {
clBuffer<cl_uint> ¤t = modulosBuf[bufIdx];
current.init(modulosBufferSize, CL_MEM_READ_ONLY);
for (unsigned i = 0; i < mConfig.PCOUNT; i++) {
mpz_class X = 1;
for (unsigned j = 0; j < mConfig.N-1; j++) {
X <<= 32;
mpz_class mod = X % gPrimes[i+mPrimorial+bufIdx+1];
current[mConfig.PCOUNT*j+i] = mod.get_ui();
}
}
current.copyToDevice(mSmall);
}
OCL(clSetKernelArg(mHashMod, 0, sizeof(cl_mem), &hashmod.found.DeviceData));
OCL(clSetKernelArg(mHashMod, 1, sizeof(cl_mem), &hashmod.count.DeviceData));
OCL(clSetKernelArg(mHashMod, 2, sizeof(cl_mem), &hashmod.primorialBitField.DeviceData));
OCL(clSetKernelArg(mHashMod, 3, sizeof(cl_mem), &hashmod.midstate.DeviceData));
OCL(clSetKernelArg(mSieveSetup, 0, sizeof(cl_mem), &sieveOff[0].DeviceData));
OCL(clSetKernelArg(mSieveSetup, 1, sizeof(cl_mem), &sieveOff[1].DeviceData));
OCL(clSetKernelArg(mSieveSetup, 3, sizeof(cl_mem), &hashBuf.DeviceData));
OCL(clSetKernelArg(mSieveSearch, 0, sizeof(cl_mem), &sieveBuf[0].DeviceData));
OCL(clSetKernelArg(mSieveSearch, 1, sizeof(cl_mem), &sieveBuf[1].DeviceData));
OCL(clSetKernelArg(mSieveSearch, 7, sizeof(cl_uint), &mDepth));
OCL(clSetKernelArg(mFermatSetup, 2, sizeof(cl_mem), &hashBuf.DeviceData));
OCL(clSetKernelArg(mFermatCheck, 2, sizeof(cl_mem), &final.info.DeviceData));
OCL(clSetKernelArg(mFermatCheck, 3, sizeof(cl_mem), &final.count.DeviceData));
OCL(clSetKernelArg(mFermatCheck, 6, sizeof(unsigned), &mDepth));
zsocket_signal(pipe);
zsocket_poll(pipe, -1);
bool run = true;
while(run){
if(zsocket_poll(pipe, 0)){
zsocket_wait(pipe);
zsocket_wait(pipe);
}
//printf("\n--------- iteration %d -------\n", iteration);
{
time_t currtime = time(0);
time_t elapsed = currtime - time1;
if(elapsed > 11){
zsocket_sendmem(statspush, &stats, sizeof(stats), 0);
time1 = currtime;
}
elapsed = currtime - time2;
if(elapsed > 15){
stats.fps = testCount / elapsed;
time2 = currtime;
testCount = 0;
}
}
stats.primeprob = pow(double(primeCount)/double(fermatCount), 1./mDepth)
- 0.0003 * (double(mConfig.TARGET-1)/2. - double(mDepth-1)/2.);
stats.cpd = 24.*3600. * double(stats.fps) * pow(stats.primeprob, mConfig.TARGET);
// get work
bool reset = false;
{
bool getwork = true;
while(getwork && run){
if(zsocket_poll(worksub, 0) || work.height() < block.height()){
run = ReceivePub(work, worksub);
reset = true;
}
getwork = false;
if(zsocket_poll(blocksub, 0) || work.height() > block.height()){
run = ReceivePub(block, blocksub);
getwork = true;
}
}
}
if(!run)
break;
// reset if new work
if(reset){
hashes.clear();
hashmod.count[0] = 0;
fermat320.bsize = 0;
fermat320.buffer[0].count[0] = 0;
fermat320.buffer[1].count[0] = 0;
fermat352.bsize = 0;
fermat352.buffer[0].count[0] = 0;
fermat352.buffer[1].count[0] = 0;
final.count[0] = 0;
for(int sieveIdx = 0; sieveIdx < mSievePerRound; ++sieveIdx) {
for(int instIdx = 0; instIdx < 2; ++instIdx) {
for (int pipelineIdx = 0; pipelineIdx < FERMAT_PIPELINES; pipelineIdx++)
(candidatesCountBuffers[sieveIdx][instIdx])[pipelineIdx] = 0;
}
}
blockheader.version = block_t::CURRENT_VERSION;
blockheader.hashPrevBlock.SetHex(block.hash());
blockheader.hashMerkleRoot.SetHex(work.merkle());
blockheader.time = work.time() + mID;
blockheader.bits = work.bits();
blockheader.nonce = 1;
testParams.nBits = blockheader.bits;
unsigned target = TargetGetLength(blockheader.bits);
if(target > mConfig.TARGET){
printf("ERROR: This miner is compiled with the wrong target: %d (required target %d)\n", mConfig.TARGET, target);
return;
}
simplePrecalcSHA256(&blockheader, hashmod.midstate, mBig, mHashMod);
}
// hashmod fetch & dispatch
{
// printf("got %d new hashes\n", hashmod.count[0]);
for(unsigned i = 0; i < hashmod.count[0]; ++i) {
hash_t hash;
hash.iter = iteration;
hash.time = blockheader.time;
hash.nonce = hashmod.found[i];
uint32_t primorialBitField = hashmod.primorialBitField[i];
uint32_t primorialIdx = primorialBitField >> 16;
uint64_t realPrimorial = 1;
for (unsigned j = 0; j < primorialIdx+1; j++) {
if (primorialBitField & (1 << j))
realPrimorial *= gPrimes[j];
}
mpz_class mpzRealPrimorial;
mpz_import(mpzRealPrimorial.get_mpz_t(), 2, -1, 4, 0, 0, &realPrimorial);
primorialIdx = std::max(mPrimorial, primorialIdx) - mPrimorial;
mpz_class mpzHashMultiplier = primorial[primorialIdx] / mpzRealPrimorial;
unsigned hashMultiplierSize = mpz_sizeinbase(mpzHashMultiplier.get_mpz_t(), 2);
mpz_import(mpzRealPrimorial.get_mpz_t(), 2, -1, 4, 0, 0, &realPrimorial);
block_t b = blockheader;
b.nonce = hash.nonce;
SHA_256 sha;
sha.init();
sha.update((const unsigned char*)&b, sizeof(b));
sha.final((unsigned char*)&hash.hash);
sha.init();
sha.update((const unsigned char*)&hash.hash, sizeof(uint256));
sha.final((unsigned char*)&hash.hash);
if(hash.hash < (uint256(1) << 255)){
printf("error: hash does not meet minimum.\n");
stats.errors++;
continue;
}
mpz_class mpzHash;
mpz_set_uint256(mpzHash.get_mpz_t(), hash.hash);
if(!mpz_divisible_p(mpzHash.get_mpz_t(), mpzRealPrimorial.get_mpz_t())){
printf("error: mpz_divisible_ui_p failed.\n");
stats.errors++;
continue;
}
hash.primorialIdx = primorialIdx;
hash.primorial = mpzHashMultiplier;
hash.shash = mpzHash * hash.primorial;
unsigned hid = hashes.push(hash);
memset(&hashBuf[hid*mConfig.N], 0, sizeof(uint32_t)*mConfig.N);
mpz_export(&hashBuf[hid*mConfig.N], 0, -1, 4, 0, 0, hashes.get(hid).shash.get_mpz_t());
}
if (hashmod.count[0])
hashBuf.copyToDevice(mSmall, false);
//printf("hashlist.size() = %d\n", (int)hashlist.size());
hashmod.count[0] = 0;
int numhash = ((int)(16*mSievePerRound) - (int)hashes.remaining()) * 65536;
if(numhash > 0){
numhash += mLSize - numhash % mLSize;
if(blockheader.nonce > (1u << 31)){
blockheader.time += mThreads;
blockheader.nonce = 1;
simplePrecalcSHA256(&blockheader, hashmod.midstate, mBig, mHashMod);
}
size_t globalOffset[] = { blockheader.nonce, 1, 1 };
size_t globalSize[] = { numhash, 1, 1 };
size_t localSize[] = { mLSize, 1 };
hashmod.count.copyToDevice(mBig, false);
OCL(clEnqueueNDRangeKernel(mBig, mHashMod, 1, globalOffset, globalSize, localSize, 0, 0, 0));
hashmod.found.copyToHost(mBig, false);
hashmod.primorialBitField.copyToHost(mBig, false);
hashmod.count.copyToHost(mBig, false);
blockheader.nonce += numhash;
}
}
int ridx = iteration % 2;
int widx = ridx xor 1;
// sieve dispatch
for (unsigned i = 0; i < mSievePerRound; i++) {
if(hashes.empty()){
if(!reset) printf("warning: ran out of hashes. pipeline stalled.\n");
break;
}
cl_int hid = hashes.pop();
unsigned primorialIdx = hashes.get(hid).primorialIdx;
OCL(clSetKernelArg(mSieveSetup, 2, sizeof(cl_mem), &primeBuf[primorialIdx]));
OCL(clSetKernelArg(mSieveSetup, 5, sizeof(cl_mem), &modulosBuf[primorialIdx].DeviceData));
OCL(clSetKernelArg(mSieve, 2, sizeof(cl_mem), &primeBuf2[primorialIdx]));
{
OCL(clSetKernelArg(mSieveSetup, 4, sizeof(cl_int), &hid));
size_t globalSize[] = { mConfig.PCOUNT, 1, 1 };
OCL(clEnqueueNDRangeKernel(mSmall, mSieveSetup, 1, 0, globalSize, 0, 0, 0, 0));
}
{
OCL(clSetKernelArg(mSieve, 0, sizeof(cl_mem), &sieveBuf[0].DeviceData));
OCL(clSetKernelArg(mSieve, 1, sizeof(cl_mem), &sieveOff[0].DeviceData));
size_t globalSize[] = { mLSize*mConfig.STRIPES/2, mConfig.WIDTH};
size_t localSize[] = { mLSize, 1 };
OCL(clEnqueueNDRangeKernel(mSmall, mSieve, 2, 0, globalSize, localSize, 0, 0, 0));
}
{
OCL(clSetKernelArg(mSieve, 0, sizeof(cl_mem), &sieveBuf[1].DeviceData));
OCL(clSetKernelArg(mSieve, 1, sizeof(cl_mem), &sieveOff[1].DeviceData));
size_t globalSize[] = { mLSize*mConfig.STRIPES/2, mConfig.WIDTH};
size_t localSize[] = { mLSize, 1 };
OCL(clEnqueueNDRangeKernel(mSmall, mSieve, 2, 0, globalSize, localSize, 0, 0, 0));
}
candidatesCountBuffers[i][widx].copyToDevice(mSmall, false);
{
cl_uint multiplierSize = mpz_sizeinbase(hashes.get(hid).shash.get_mpz_t(), 2);
OCL(clSetKernelArg(mSieveSearch, 2, sizeof(cl_mem), &sieveBuffers[i][0][widx].DeviceData));
OCL(clSetKernelArg(mSieveSearch, 3, sizeof(cl_mem), &sieveBuffers[i][1][widx].DeviceData));
OCL(clSetKernelArg(mSieveSearch, 4, sizeof(cl_mem), &candidatesCountBuffers[i][widx].DeviceData));
OCL(clSetKernelArg(mSieveSearch, 5, sizeof(cl_int), &hid));
OCL(clSetKernelArg(mSieveSearch, 6, sizeof(cl_uint), &multiplierSize));
size_t globalSize[] = { mConfig.SIZE*mConfig.STRIPES/2, 1, 1 };
OCL(clEnqueueNDRangeKernel(mSmall, mSieveSearch, 1, 0, globalSize, 0, 0, 0, 0));
candidatesCountBuffers[i][widx].copyToHost(mSmall, false);
}
}
// get candis
int numcandis = final.count[0];
numcandis = std::min(numcandis, final.info.Size);
numcandis = std::max(numcandis, 0);
// printf("got %d new candis\n", numcandis);
candis.resize(numcandis);
primeCount += numcandis;
if(numcandis)
memcpy(&candis[0], final.info.HostData, numcandis*sizeof(fermat_t));
final.count[0] = 0;
final.count.copyToDevice(mBig, false);
FermatDispatch(fermat320, sieveBuffers, candidatesCountBuffers, 0, ridx, widx, testCount, fermatCount, mFermatKernel320, mSievePerRound);
FermatDispatch(fermat352, sieveBuffers, candidatesCountBuffers, 1, ridx, widx, testCount, fermatCount, mFermatKernel352, mSievePerRound);
final.info.copyToHost(mBig, false);
final.count.copyToHost(mBig, false);
clFlush(mBig);
clFlush(mSmall);
// adjust sieves per round
if (fermat320.buffer[ridx].count[0] && fermat320.buffer[ridx].count[0] < mBlockSize &&
fermat352.buffer[ridx].count[0] && fermat352.buffer[ridx].count[0] < mBlockSize) {
mSievePerRound = std::min((unsigned)SW, mSievePerRound+1);
printf(" * warning: no enough candidates (%u available, must be more than %u\n",
std::max(fermat320.buffer[ridx].count[0], fermat352.buffer[ridx].count[0]),
mBlockSize);
printf("increase sieves per round to %u\n", mSievePerRound);
}
// check candis
if(candis.size()){
//printf("checking %d candis\n", (int)candis.size());
mpz_class chainorg;
mpz_class multi;
for(unsigned i = 0; i < candis.size(); ++i){
fermat_t& candi = candis[i];
hash_t& hash = hashes.get(candi.hashid);
unsigned age = iteration - hash.iter;
if(age > PW/2)
printf("WARNING: candidate age > PW/2 with %d\n", age);
multi = candi.index;
multi <<= candi.origin;
chainorg = hash.shash;
chainorg *= multi;
testParams.nCandidateType = candi.type;
bool isblock = ProbablePrimeChainTestFast(chainorg, testParams, mDepth);
unsigned chainlength = TargetGetLength(testParams.nChainLength);
/*printf("candi %d: hashid=%d index=%d origin=%d type=%d length=%d\n",
i, candi.hashid, candi.index, candi.origin, candi.type, chainlength);*/
if(chainlength >= block.minshare()){
mpz_class sharemulti = hash.primorial * multi;
share.set_hash(hash.hash.GetHex());
share.set_merkle(work.merkle());
share.set_time(hash.time);
share.set_bits(work.bits());
share.set_nonce(hash.nonce);
share.set_multi(sharemulti.get_str(16));
share.set_height(block.height());
share.set_length(chainlength);
share.set_chaintype(candi.type);
share.set_isblock(isblock);
printf("GPU %d found share: %d-ch type %d\n", mID, chainlength, candi.type+1);
if(isblock)
printf("GPU %d found BLOCK!\n", mID);
Send(share, sharepush);
}else if(chainlength < mDepth){
printf("error: ProbablePrimeChainTestFast %ubits %d/%d\n", (unsigned)mpz_sizeinbase(chainorg.get_mpz_t(), 2), chainlength, mDepth);
printf(" * origin: %s\n", chainorg.get_str().c_str());
printf(" * type: %u\n", (unsigned)candi.type);
printf(" * multiplier: %u\n", (unsigned)candi.index);
printf(" * layer: %u\n", (unsigned)candi.origin);
printf(" * hash primorial: %s\n", hash.primorial.get_str().c_str());
printf(" * primorial multipliers: ");
for (unsigned i = 0; i < mPrimorial;) {
if (hash.primorial % gPrimes[i] == 0) {
hash.primorial /= gPrimes[i];
printf("[%u]%u ", i+1, gPrimes[i]);
} else {
i++;
}
}
printf("\n");
stats.errors++;
}
}
}
clFinish(mBig);
clFinish(mSmall);
if(MakeExit)
break;
iteration++;
}
printf("GPU %d stopped.\n", mID);
for (unsigned i = 0; i < maxHashPrimorial-mPrimorial; i++) {
clReleaseMemObject(primeBuf[i]);
clReleaseMemObject(primeBuf2[i]);
}
zsocket_destroy(ctx, blocksub);
zsocket_destroy(ctx, worksub);
zsocket_destroy(ctx, statspush);
zsocket_destroy(ctx, sharepush);
zsocket_signal(pipe);
}
XPMClient::XPMClient(zctx_t* ctx) : BaseClient(ctx) {
}
XPMClient::~XPMClient() {
for(unsigned i = 0; i < mWorkers.size(); ++i)
if(mWorkers[i].first){
mWorkers[i].first->MakeExit = true;
if(zsocket_poll(mWorkers[i].second, 1000))
delete mWorkers[i].first;
}
zsocket_destroy(mCtx, mBlockPub);
zsocket_destroy(mCtx, mWorkPub);
zsocket_destroy(mCtx, mStatsPull);
if(gProgram) OCL(clReleaseProgram(gProgram));
if(gContext) OCL(clReleaseContext(gContext));
if (platformType == ptAMD)
clear_adl(mNumDevices);
}
void XPMClient::dumpSieveConstants(unsigned weaveDepth,
unsigned threadsNum,
unsigned windowSize,
unsigned *primes,
std::ostream &file)
{
unsigned ranges[3] = {0, 0, 0};
for (unsigned i = 0; i < weaveDepth/threadsNum; i++) {
unsigned prime = primes[i*threadsNum];
if (ranges[0] == 0 && windowSize/prime <= 2)
ranges[0] = i;
if (ranges[1] == 0 && windowSize/prime <= 1)
ranges[1] = i;
if (ranges[2] == 0 && windowSize/prime == 0)
ranges[2] = i;
}
file << "__constant uint sieveRanges[3] = {";
file << ranges[0] << ", ";
file << ranges[1] << ", " ;
file << ranges[2];
file << "};\n";
}
bool XPMClient::Initialize(Configuration* cfg, bool benchmarkOnly) {
{
int np = sizeof(gPrimes)/sizeof(unsigned);
gPrimes2.resize(np*2);
for(int i = 0; i < np; ++i){
unsigned prime = gPrimes[i];
cl_float fiprime = 1.f / cl_float(prime);
gPrimes2[i*2] = prime;
memcpy(&gPrimes2[i*2+1], &fiprime, sizeof(cl_float));
}
}
const char *platformId = cfg->lookupString("", "platform");
const char *platformName = "";
unsigned clKernelLSize = 0;
unsigned clKernelLSizeLog2 = 0;
bool amdLegacy = false;
if (strcmp(platformId, "amd") == 0) {
platformName = "AMD Accelerated Parallel Processing";
platformType = ptAMD;
clKernelLSize = 256;
clKernelLSizeLog2 = 8;
} else if (strcmp(platformId, "amd legacy") == 0) {
platformName = "AMD Accelerated Parallel Processing";
platformType = ptAMD;
amdLegacy = true;
clKernelLSize = 256;
clKernelLSizeLog2 = 8;
} else if (strcmp(platformId, "nvidia") == 0) {
platformName = "NVIDIA CUDA";
platformType = ptNVidia;
clKernelLSize = 1024;
clKernelLSizeLog2 = 10;
}
cl_platform_id platforms[10];
cl_uint numplatforms;
OCLR(clGetPlatformIDs(10, platforms, &numplatforms), false);
if(!numplatforms){
printf("ERROR: no OpenCL platform found.\n");
return false;
}
int iplatform = -1;
for(unsigned i = 0; i < numplatforms; ++i){
char name[1024] = {0};
OCLR(clGetPlatformInfo(platforms[i], CL_PLATFORM_NAME, sizeof(name), name, 0), false);
printf("found platform[%d] name = '%s'\n", i, name);
if(!strcmp(name, platformName)){
iplatform = i;
break;
}
}
if(iplatform < 0){
printf("ERROR: %s found.\n", platformName);
return false;
}
cl_platform_id platform = platforms[iplatform];
cl_device_id devices[10];
clGetDeviceIDs(platform, CL_DEVICE_TYPE_GPU, 10, devices, &mNumDevices);
printf("Found %d devices\n", mNumDevices);
if(!mNumDevices){
printf("ERROR: no OpenCL GPU devices found.\n");
return false;
}
int cpuload = cfg->lookupInt("", "cpuload", 1);
int depth = 5 - cpuload;
depth = std::max(depth, 2);
depth = std::min(depth, 5);
exitType = cfg->lookupInt("", "onCrash", 0);
unsigned clKernelTarget = cfg->lookupInt("", "target", 10);
unsigned clKernelStripes = cfg->lookupInt("", "sieveSize", 420);
unsigned clKernelPCount = cfg->lookupInt("", "weaveDepth", 40960);
unsigned clKernelWidth = cfg->lookupInt("", "width", clKernelTarget*2);
unsigned clKernelWindowSize = cfg->lookupInt("", "windowSize", 4096);
std::vector<bool> usegpu(mNumDevices, true);
std::vector<int> hashprim(mNumDevices, 5);
std::vector<int> primorial(mNumDevices, 13);
std::vector<int> sievePerRound(mNumDevices, 5);
mCoreFreq = std::vector<int>(mNumDevices, -1);
mMemFreq = std::vector<int>(mNumDevices, -1);
mPowertune = std::vector<int>(mNumDevices, 42);
mFanSpeed = std::vector<int>(mNumDevices, 70);
{
StringVector cdevices;
StringVector chashprim;
StringVector cprimorial;
StringVector csieveperround;
StringVector ccorespeed;
StringVector cmemspeed;
StringVector cpowertune;
StringVector cfanspeed;
try {
cfg->lookupList("", "devices", cdevices);
cfg->lookupList("", "sieveprimorial", cprimorial);
cfg->lookupList("", "corefreq", ccorespeed);
cfg->lookupList("", "memfreq", cmemspeed);
cfg->lookupList("", "powertune", cpowertune);
cfg->lookupList("", "fanspeed", cfanspeed);
cfg->lookupList("", "sievePerRound", csieveperround);
}catch(const ConfigurationException& ex) {}
for(int i = 0; i < (int)mNumDevices; ++i){
if(i < cdevices.length())
usegpu[i] = !strcmp(cdevices[i], "1");
if(i < chashprim.length())
hashprim[i] = atoi(chashprim[i]);
if(i < cprimorial.length())
primorial[i] = atoi(cprimorial[i]);
if (i < csieveperround.length())
sievePerRound[i] = atoi(csieveperround[i]);
if(i < ccorespeed.length())
mCoreFreq[i] = atoi(ccorespeed[i]);
if(i < cmemspeed.length())
mMemFreq[i] = atoi(cmemspeed[i]);
if(i < cpowertune.length())
mPowertune[i] = atoi(cpowertune[i]);
if(i < cfanspeed.length())
mFanSpeed[i] = atoi(cfanspeed[i]);
}
}
std::vector<cl_device_id> gpus;
for(unsigned i = 0; i < mNumDevices; ++i)
if(usegpu[i]){
printf("Using device %d as GPU %d\n", i, (int)gpus.size());
mDeviceMap[i] = gpus.size();
mDeviceMapRev[gpus.size()] = i;
gpus.push_back(devices[i]);
}else{
mDeviceMap[i] = -1;
}
if(!gpus.size()){
printf("EXIT: config.txt says not to use any devices!?\n");
return false;
};
{
cl_context_properties props[] = { CL_CONTEXT_PLATFORM, (cl_context_properties)platform, 0 };
cl_int error;
gContext = clCreateContext(props, gpus.size(), &gpus[0], 0, 0, &error);
OCLR(error, false);
}
// generate kernel configuration file
{
std::ofstream config("gpu/config.cl", std::fstream::trunc);
config << "#define STRIPES " << clKernelStripes << '\n';
config << "#define WIDTH " << clKernelWidth << '\n';
config << "#define PCOUNT " << clKernelPCount << '\n';
config << "#define TARGET " << clKernelTarget << '\n';
config << "#define SIZE " << clKernelWindowSize << '\n';
config << "#define LSIZE " << clKernelLSize << '\n';
config << "#define LSIZELOG2 " << clKernelLSizeLog2 << '\n';
dumpSieveConstants(clKernelPCount, clKernelLSize, clKernelWindowSize*32, gPrimes+13, config);
}
// compile
std::ifstream testfile("kernel.bin");
if(!testfile){
printf("Compiling ...\n");
std::string sourcefile;
{
std::ifstream t("gpu/config.cl");
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
sourcefile = str;
}
{
std::ifstream t("gpu/procs.cl");
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
sourcefile.append(str);
}
{
std::ifstream t("gpu/fermat.cl");
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
sourcefile.append(str);
}
{
std::ifstream t("gpu/sieve.cl");
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
sourcefile.append(str);
}
{
std::ifstream t("gpu/sha256.cl");
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
sourcefile.append(str);
}
{
std::ifstream t("gpu/benchmarks.cl");
std::string str((std::istreambuf_iterator<char>(t)), std::istreambuf_iterator<char>());
sourcefile.append(str);
}
printf("Source: %d bytes\n", (unsigned)sourcefile.size());
if(sourcefile.size() < 1){
fprintf(stderr, "Source files not found or empty.\n");
return false;
}
cl_int error;
const char* sources[] = { sourcefile.c_str(), 0 };
gProgram = clCreateProgramWithSource(gContext, 1, sources, 0, &error);
OCLR(error, false);
char arguments[1024] = {0};
if (platformType == ptNVidia) {
strcat(arguments, " -D__NVIDIA -cl-nv-verbose");
} else if (amdLegacy) {
strcat(arguments, " -D__AMDLEGACY");
}
if (clBuildProgram(gProgram, gpus.size(), &gpus[0], arguments, 0, 0) != CL_SUCCESS) {
size_t logSize;
clGetProgramBuildInfo(gProgram, devices[0], CL_PROGRAM_BUILD_LOG, 0, 0, &logSize);