mirror of https://github.com/BOINC/boinc.git
418 lines
13 KiB
C++
418 lines
13 KiB
C++
// This file is part of BOINC.
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// http://boinc.berkeley.edu
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// Copyright (C) 2008 University of California
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//
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// BOINC is free software; you can redistribute it and/or modify it
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// under the terms of the GNU Lesser General Public License
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// as published by the Free Software Foundation,
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// either version 3 of the License, or (at your option) any later version.
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//
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// BOINC is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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// See the GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with BOINC. If not, see <http://www.gnu.org/licenses/>.
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#ifdef _WIN32
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#include <nvapi.h>
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#else
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#ifdef __APPLE__
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// Suppress obsolete warning when building for OS 10.3.9
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#define DLOPEN_NO_WARN
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#endif
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#include <dlfcn.h>
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#endif
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#include "error_numbers.h"
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#include "filesys.h"
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#include "parse.h"
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#include "str_util.h"
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#include "coproc.h"
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using std::string;
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using std::vector;
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#ifndef _USING_FCGI_
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void COPROC::write_xml(MIOFILE& f) {
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f.printf(
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"<coproc>\n"
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" <type>%s</type>\n"
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" <count>%d</count>\n"
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"</coproc>\n",
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type, count
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);
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}
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#endif
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int COPROC::parse(MIOFILE& fin) {
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char buf[1024];
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strcpy(type, "");
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count = 0;
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used = 0;
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req_secs = 0;
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estimated_delay = 0;
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req_instances = 0;
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while (fin.fgets(buf, sizeof(buf))) {
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if (match_tag(buf, "</coproc>")) {
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if (!strlen(type)) return ERR_XML_PARSE;
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return 0;
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}
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if (parse_str(buf, "<type>", type, sizeof(type))) continue;
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if (parse_int(buf, "<count>", count)) continue;
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if (parse_double(buf, "<req_secs>", req_secs)) continue;
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if (parse_int(buf, "<req_instances>", req_instances)) continue;
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if (parse_double(buf, "<estimated_delay>", estimated_delay)) continue;
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}
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return ERR_XML_PARSE;
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}
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void COPROCS::summary_string(char* buf, int len) {
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char bigbuf[8192], buf2[1024];
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strcpy(bigbuf, "");
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for (unsigned int i=0; i<coprocs.size(); i++) {
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COPROC* cp = coprocs[i];
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if (!strcmp(cp->type, "CUDA")) {
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COPROC_CUDA* cp2 = (COPROC_CUDA*) cp;
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int mem = (int)(cp2->prop.dtotalGlobalMem/MEGA);
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sprintf(buf2, "[CUDA|%s|%d|%dMB]", cp2->prop.name, cp2->count, mem);
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strcat(bigbuf, buf2);
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}
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}
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bigbuf[len-1] = 0;
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strcpy(buf, bigbuf);
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}
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vector<string> COPROCS::get() {
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vector<string> strings;
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string s = COPROC_CUDA::get(*this);
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if (s.size()) strings.push_back(s);
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s = COPROC_CELL_SPE::get(*this);
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if (s.size()) strings.push_back(s);
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return strings;
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}
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int COPROCS::parse(FILE* fin) {
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char buf[1024];
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while (fgets(buf, sizeof(buf), fin)) {
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if (match_tag(buf, "</coprocs>")) {
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return 0;
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}
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if (strstr(buf, "<coproc_cuda>")) {
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COPROC_CUDA* cc = new COPROC_CUDA;
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int retval = cc->parse(fin);
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if (!retval) {
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coprocs.push_back(cc);
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}
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}
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}
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return ERR_XML_PARSE;
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}
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COPROC* COPROCS::lookup(const char* type) {
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for (unsigned int i=0; i<coprocs.size(); i++) {
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COPROC* cp = coprocs[i];
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if (!strcmp(type, cp->type)) return cp;
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}
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return NULL;
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}
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#ifdef _WIN32
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#endif
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string COPROC_CUDA::get(COPROCS& coprocs) {
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int count;
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#ifdef _WIN32
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typedef int (__stdcall *PCGDC)(int *count);
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typedef int (__stdcall *PCGDP)(struct cudaDeviceProp *prop, int device);
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PCGDC __cudaGetDeviceCount = NULL;
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PCGDP __cudaGetDeviceProperties = NULL;
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HMODULE cudalib = LoadLibrary("cudart.dll");
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if (!cudalib) {
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return "Can't load library cudart.dll";
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}
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__cudaGetDeviceCount = (PCGDC)GetProcAddress( cudalib, "cudaGetDeviceCount" );
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if (!__cudaGetDeviceCount) {
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return "Library doesn't have cudaGetDeviceCount()";
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}
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__cudaGetDeviceProperties = (PCGDP)GetProcAddress( cudalib, "cudaGetDeviceProperties" );
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if (!__cudaGetDeviceProperties) {
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return "Library doesn't have cudaGetDeviceProperties()";
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}
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NvAPI_Status nvapiStatus;
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NvDisplayHandle hDisplay;
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NV_DISPLAY_DRIVER_VERSION Version;
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memset(&Version, 0, sizeof(Version));
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Version.version = NV_DISPLAY_DRIVER_VERSION_VER;
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NvAPI_Initialize();
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for (int i=0; ; i++) {
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nvapiStatus = NvAPI_EnumNvidiaDisplayHandle(i, &hDisplay);
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if (nvapiStatus != NVAPI_OK) break;
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nvapiStatus = NvAPI_GetDisplayDriverVersion(hDisplay, &Version);
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if (nvapiStatus == NVAPI_OK) break;
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}
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#else
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void* cudalib;
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void (*__cudaGetDeviceCount)(int*);
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void (*__cudaGetDeviceProperties)(cudaDeviceProp*, int);
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#ifdef __APPLE__
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cudalib = dlopen("/usr/local/cuda/lib/libcudart.dylib", RTLD_NOW);
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#else
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cudalib = dlopen("./libcudart.so", RTLD_NOW);
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#endif
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if (!cudalib) {
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return "Can't load library libcudart";
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perror("dlopen");
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}
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__cudaGetDeviceCount = (void(*)(int*)) dlsym(cudalib, "cudaGetDeviceCount");
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if(!__cudaGetDeviceCount) {
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return "Library doesn't have cudaGetDeviceCount()";
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}
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__cudaGetDeviceProperties = (void(*)(cudaDeviceProp*, int)) dlsym( cudalib, "cudaGetDeviceProperties" );
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if (!__cudaGetDeviceProperties) {
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return "Library doesn't have cudaGetDeviceProperties()";
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}
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#endif
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// NOTE: our design is slightly flawed:
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// there's no provision for having two coprocs of type CUDA.
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// So on systems with two GPUs of different hardware types
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// we have to count them as two of the same type.
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// Pick the fastest.
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//
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(*__cudaGetDeviceCount)(&count);
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int real_count = 0;
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COPROC_CUDA cc, cc2;
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string s;
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for (int i=0; i<count; i++) {
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char buf[256];
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(*__cudaGetDeviceProperties)(&cc.prop, i);
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if (cc.prop.major <= 0) continue; // major == 0 means emulation
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if (cc.prop.major > 100) continue; // e.g. 9999 is an error
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cc.drvVersion = Version.drvVersion;
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cc.description(buf);
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if (real_count) {
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if (cc.flops_estimate() > cc2.flops_estimate()) {
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cc2 = cc;
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}
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s += ", ";
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s += buf;
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} else {
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s = buf;
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cc2 = cc;
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}
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real_count++;
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}
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if (!real_count) {
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return "No CUDA devices found";
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}
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COPROC_CUDA* ccp = new COPROC_CUDA;
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*ccp = cc2;
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ccp->count = real_count;
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strcpy(ccp->type, "CUDA");
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coprocs.coprocs.push_back(ccp);
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if (real_count == 1) {
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return "CUDA device: "+s;
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} else {
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return "CUDA devices: "+s;
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}
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}
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void COPROC_CUDA::description(char* buf) {
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sprintf(buf, "%s (driver version %d, CUDA version %d.%d, %.0fMB, est. %.0fGFLOPS)",
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prop.name, drvVersion, prop.major, prop.minor, prop.totalGlobalMem/(1024.*1024.), flops_estimate()/1e9
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);
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}
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// add a non-existent CUDA coproc (for debugging)
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//
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void fake_cuda(COPROCS& coprocs, int count) {
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COPROC_CUDA* cc = new COPROC_CUDA;
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strcpy(cc->type, "CUDA");
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cc->count = count;
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strcpy(cc->prop.name, "CUDA NVIDIA chip");
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cc->prop.totalGlobalMem = 256*1024*1024;
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cc->prop.sharedMemPerBlock = 100;
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cc->prop.regsPerBlock = 8;
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cc->prop.warpSize = 10;
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cc->prop.memPitch = 10;
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cc->prop.maxThreadsPerBlock = 20;
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cc->prop.maxThreadsDim[0] = 2;
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cc->prop.maxThreadsDim[1] = 2;
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cc->prop.maxThreadsDim[2] = 2;
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cc->prop.maxGridSize[0] = 10;
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cc->prop.maxGridSize[1] = 10;
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cc->prop.maxGridSize[2] = 10;
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cc->prop.totalConstMem = 10;
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cc->prop.major = 1;
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cc->prop.minor = 2;
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cc->prop.clockRate = 1250000;
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cc->prop.textureAlignment = 1000;
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cc->prop.multiProcessorCount = 14;
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coprocs.coprocs.push_back(cc);
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}
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#ifndef _USING_FCGI_
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void COPROC_CUDA::write_xml(MIOFILE& f) {
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f.printf(
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"<coproc_cuda>\n"
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" <count>%d</count>\n"
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" <name>%s</name>\n"
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" <req_secs>%f</req_secs>\n"
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" <req_instances>%d</req_instances>\n"
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" <estimated_delay>%f</estimated_delay>\n"
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" <drvVersion>%d</drvVersion>\n"
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" <totalGlobalMem>%u</totalGlobalMem>\n"
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" <sharedMemPerBlock>%u</sharedMemPerBlock>\n"
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" <regsPerBlock>%d</regsPerBlock>\n"
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" <warpSize>%d</warpSize>\n"
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" <memPitch>%u</memPitch>\n"
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" <maxThreadsPerBlock>%d</maxThreadsPerBlock>\n"
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" <maxThreadsDim>%d %d %d</maxThreadsDim>\n"
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" <maxGridSize>%d %d %d</maxGridSize>\n"
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" <totalConstMem>%u</totalConstMem>\n"
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" <major>%d</major>\n"
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" <minor>%d</minor>\n"
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" <clockRate>%d</clockRate>\n"
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" <textureAlignment>%u</textureAlignment>\n"
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" <deviceOverlap>%d</deviceOverlap>\n"
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" <multiProcessorCount>%d</multiProcessorCount>\n"
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"</coproc_cuda>\n",
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count,
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prop.name,
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req_secs,
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req_instances,
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estimated_delay,
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drvVersion,
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(unsigned int)prop.totalGlobalMem,
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(unsigned int)prop.sharedMemPerBlock,
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prop.regsPerBlock,
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prop.warpSize,
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(unsigned int)prop.memPitch,
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prop.maxThreadsPerBlock,
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prop.maxThreadsDim[0], prop.maxThreadsDim[1], prop.maxThreadsDim[2],
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prop.maxGridSize[0], prop.maxGridSize[1], prop.maxGridSize[2],
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(unsigned int)prop.totalConstMem,
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prop.major,
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prop.minor,
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prop.clockRate,
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(unsigned int)prop.textureAlignment,
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prop.deviceOverlap,
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prop.multiProcessorCount
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);
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}
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#endif
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void COPROC_CUDA::clear() {
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count = 0;
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used = 0;
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req_secs = 0;
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req_instances = 0;
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estimated_delay = -1; // mark as absent
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strcpy(prop.name, "");
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prop.totalGlobalMem = 0;
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prop.sharedMemPerBlock = 0;
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prop.regsPerBlock = 0;
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prop.warpSize = 0;
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prop.memPitch = 0;
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prop.maxThreadsPerBlock = 0;
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prop.maxThreadsDim[0] = 0;
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prop.maxThreadsDim[1] = 0;
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prop.maxThreadsDim[2] = 0;
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prop.maxGridSize[0] = 0;
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prop.maxGridSize[1] = 0;
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prop.maxGridSize[2] = 0;
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prop.clockRate = 0;
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prop.totalConstMem = 0;
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prop.major = 0;
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prop.minor = 0;
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prop.textureAlignment = 0;
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prop.deviceOverlap = 0;
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prop.multiProcessorCount = 0;
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}
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int COPROC_CUDA::parse(FILE* fin) {
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char buf[1024], buf2[256];
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clear();
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while (fgets(buf, sizeof(buf), fin)) {
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if (strstr(buf, "</coproc_cuda>")) {
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return 0;
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}
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if (parse_int(buf, "<count>", count)) continue;
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if (parse_double(buf, "<req_secs>", req_secs)) continue;
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if (parse_int(buf, "<req_instances>", req_instances)) continue;
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if (parse_double(buf, "<estimated_delay>", estimated_delay)) continue;
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if (parse_str(buf, "<name>", prop.name, sizeof(prop.name))) continue;
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if (parse_int(buf, "<drvVersion>", drvVersion)) continue;
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if (parse_double(buf, "<totalGlobalMem>", prop.dtotalGlobalMem)) continue;
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if (parse_int(buf, "<sharedMemPerBlock>", (int&)prop.sharedMemPerBlock)) continue;
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if (parse_int(buf, "<regsPerBlock>", prop.regsPerBlock)) continue;
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if (parse_int(buf, "<warpSize>", prop.warpSize)) continue;
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if (parse_int(buf, "<memPitch>", (int&)prop.memPitch)) continue;
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if (parse_int(buf, "<maxThreadsPerBlock>", prop.maxThreadsPerBlock)) continue;
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if (parse_str(buf, "<maxThreadsDim>", buf2, sizeof(buf2))) {
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// can't use sscanf here (FCGI)
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//
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prop.maxThreadsDim[0] = atoi(buf2);
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char* p = strchr(buf2, ' ');
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if (p) {
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p++;
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prop.maxThreadsDim[1] = atoi(p);
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p = strchr(p, ' ');
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if (p) {
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p++;
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prop.maxThreadsDim[2] = atoi(p);
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}
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}
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continue;
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}
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if (parse_str(buf, "<maxGridSize>", buf2, sizeof(buf2))) {
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prop.maxGridSize[0] = atoi(buf2);
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char* p = strchr(buf2, ' ');
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if (p) {
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p++;
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prop.maxGridSize[1] = atoi(p);
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p = strchr(p, ' ');
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if (p) {
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p++;
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prop.maxGridSize[2] = atoi(p);
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}
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}
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continue;
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}
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if (parse_int(buf, "<clockRate>", prop.clockRate)) continue;
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if (parse_int(buf, "<totalConstMem>", (int&)prop.totalConstMem)) continue;
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if (parse_int(buf, "<major>", prop.major)) continue;
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if (parse_int(buf, "<minor>", prop.minor)) continue;
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if (parse_int(buf, "<textureAlignment>", (int&)prop.textureAlignment)) continue;
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if (parse_int(buf, "<deviceOverlap>", prop.deviceOverlap)) continue;
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if (parse_int(buf, "<multiProcessorCount>", prop.multiProcessorCount)) continue;
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}
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return ERR_XML_PARSE;
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}
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string COPROC_CELL_SPE::get(COPROCS&) {
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return "";
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}
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