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gtpagent.cpp
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gtpagent.cpp
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#include "pentagogtp.h"
#include "fileio.h"
#include <fstream>
using namespace std;
GTPResponse PentagoGTP::gtp_time(vecstr args){
if(args.size() == 0)
return GTPResponse(true, string("\n") +
"Update the time settings, eg: time -s 2.5 -m 10 -g 600 -f 1\n" +
"Method for distributing remaining time, current: " + time.method_name() + " " + to_str(time.param) + "\n" +
" -p --percent Percentage of the remaining time every move [10.0]\n" +
" -e --even Multiple of even split of the maximum remaining moves [2.0]\n" +
" -s --stats Multiple of even split of the expected remaining moves [2.0]\n" +
"Time allocation\n" +
" -m --move Time per move [" + to_str(time.move) + "]\n" +
" -g --game Time per game [" + to_str(time.game) + "]\n" +
" -f --flexible Add remaining time per move to remaining time [" + to_str(time.flexible) + "]\n" +
" -i --maxsims Maximum number of simulations per move [" + to_str(time.max_sims) + "]\n" +
"Current game\n" +
" -r --remain Remaining time for this game [" + to_str(time_remain) + "]\n");
for(unsigned int i = 0; i < args.size(); i++) {
string arg = args[i];
if(arg == "-p" || arg == "--percent"){
time.method = TimeControl::PERCENT;
time.param = 10;
if(i+1 < args.size() && from_str<double>(args[i+1]) > 0) time.param = from_str<double>(args[++i]);
}else if(arg == "-e" || arg == "--even"){
time.method = TimeControl::EVEN;
time.param = 2;
if(i+1 < args.size() && from_str<double>(args[i+1]) > 0) time.param = from_str<double>(args[++i]);
}else if(arg == "-s" || arg == "--stats"){
time.method = TimeControl::STATS;
time.param = 2;
if(i+1 < args.size() && from_str<double>(args[i+1]) > 0) time.param = from_str<double>(args[++i]);
}else if((arg == "-m" || arg == "--move") && i+1 < args.size()){
time.move = from_str<double>(args[++i]);
}else if((arg == "-g" || arg == "--game") && i+1 < args.size()){
time.game = from_str<float>(args[++i]);
}else if((arg == "-f" || arg == "--flexible") && i+1 < args.size()){
time.flexible = from_str<bool>(args[++i]);
}else if((arg == "-i" || arg == "--maxsims") && i+1 < args.size()){
time.max_sims = from_str<int>(args[++i]);
}else if((arg == "-r" || arg == "--remain") && i+1 < args.size()){
time_remain = from_str<double>(args[++i]);
}else{
return GTPResponse(false, "Missing or unknown parameter");
}
}
return GTPResponse(true);
}
double PentagoGTP::get_time(){
double ret = 0;
switch(time.method){
case TimeControl::PERCENT:
ret += time.param*time_remain/100;
break;
case TimeControl::STATS:{
double gamelen = agent->gamelen();
if(gamelen > 0){
ret += 2.0*time.param*time_remain / gamelen;
break;
}
}//fall back to even
case TimeControl::EVEN:
ret += 2.0*time.param*time_remain / game.moves_remain();
break;
}
if(ret > time_remain)
ret = time_remain;
ret += time.move;
return ret;
}
void PentagoGTP::time_used(double used){
if(time.flexible)
time_remain += time.move - used;
else
time_remain += min(0.0, time.move - used);
if(time_remain < 0)
time_remain = 0;
}
GTPResponse PentagoGTP::gtp_move_stats(vecstr args){
return GTPResponse(true, agent->move_stats());
}
GTPResponse PentagoGTP::gtp_solve(vecstr args){
if(game.getboard().won() >= 0)
return GTPResponse(true, "resign");
double use_time = (args.size() >= 2 ? from_str<double>(args[1]) : get_time());
if(verbose)
logerr("time remain: " + to_str(time_remain, 1) + ", time: " + to_str(use_time, 3) + ", sims: " + to_str(time.max_sims) + "\n");
Time start;
agent->search(use_time, time.max_sims, verbose);
time_used(Time() - start);
//TODO: find the outcome, not the best move...
Move best = agent->return_move(verbose);
if(verbose >= 2)
logerr(game.getboard().to_s(colorboard) + "\n");
return GTPResponse(true, best.to_s());
}
GTPResponse PentagoGTP::gtp_genmove(vecstr args){
if(game.getboard().won() >= 0)
return GTPResponse(true, "resign");
double use_time = (args.size() >= 2 ? from_str<double>(args[1]) : get_time());
if(verbose)
logerr("time: remain: " + to_str(time_remain, 1) + ", use: " + to_str(use_time, 3) + ", sims: " + to_str(time.max_sims) + "\n");
Time start;
agent->search(use_time, time.max_sims, verbose);
time_used(Time() - start);
Move best = agent->return_move(verbose);
move(best);
if(verbose >= 2)
logerr(game.getboard().to_s(colorboard) + "\n");
return GTPResponse(true, best.to_s());
}
GTPResponse PentagoGTP::gtp_pv(vecstr args){
string pvstr = "";
vector<Move> pv = agent->get_pv();
for(unsigned int i = 0; i < pv.size(); i++)
pvstr += pv[i].to_s() + " ";
return GTPResponse(true, pvstr);
}
GTPResponse PentagoGTP::gtp_params(vecstr args){
if(dynamic_cast<AgentAB *>(agent)) return gtp_ab_params(args);
if(dynamic_cast<AgentMCTS *>(agent)) return gtp_mcts_params(args);
if(dynamic_cast<AgentPNS *>(agent)) return gtp_pns_params(args);
return GTPResponse(false, "Unknown Agent type");
}
GTPResponse PentagoGTP::gtp_ab_params(vecstr args){
AgentAB * ab = dynamic_cast<AgentAB *>(agent);
if(args.size() == 0)
return GTPResponse(true, string("\n") +
"Set player parameters, eg: params -r 4\n" +
" -M --maxmem Max memory in Mb to use for the tree [" + to_str(ab->memlimit/(1024*1024)) + "]\n" +
" -r --randomness How many bits of randomness to add to the eval [" + to_str(ab->randomness) + "]\n"
);
string errs;
for(unsigned int i = 0; i < args.size(); i++) {
string arg = args[i];
if((arg == "-M" || arg == "--maxmem") && i+1 < args.size()){
ab->set_memlimit(from_str<uint64_t>(args[++i])*1024*1024);
}else if((arg == "-r" || arg == "--randomness") && i+1 < args.size()){
ab->randomness = from_str<int>(args[++i]);
}else{
return GTPResponse(false, "Missing or unknown parameter");
}
}
return GTPResponse(true, errs);
}
GTPResponse PentagoGTP::gtp_mcts_params(vecstr args){
AgentMCTS * mcts = dynamic_cast<AgentMCTS *>(agent);
if(args.size() == 0)
return GTPResponse(true, string("\n") +
"Set player parameters, eg: player_params -e 1 -f 0 -t 2 -o 1 -p 0\n" +
"Processing:\n" +
#ifndef SINGLE_THREAD
" -t --threads Number of MCTS threads [" + to_str(mcts->numthreads) + "]\n" +
#endif
" -o --ponder Continue to ponder during the opponents time [" + to_str(mcts->ponder) + "]\n" +
" -M --maxmem Max memory in Mb to use for the tree [" + to_str(mcts->maxmem/(1024*1024)) + "]\n" +
" --profile Output the time used by each phase of MCTS [" + to_str(mcts->profile) + "]\n" +
"Tree traversal:\n" +
" -e --explore Exploration rate for UCT [" + to_str(mcts->explore) + "]\n" +
" -A --parexplore Multiply the explore rate by parents experience [" + to_str(mcts->parentexplore) + "]\n" +
" -a --knowledge Use knowledge: 0.01*know/sqrt(visits+1) [" + to_str(mcts->knowledge) + "]\n" +
" -X --useexplore Use exploration with this probability [0-1] [" + to_str(mcts->useexplore) + "]\n" +
" -u --fpurgency Value to assign to an unplayed move [" + to_str(mcts->fpurgency) + "]\n" +
" -O --rollouts Number of rollouts to run per simulation [" + to_str(mcts->rollouts) + "]\n" +
"Tree building:\n" +
" -k --keeptree Keep the tree from the previous move [" + to_str(mcts->keeptree) + "]\n" +
" -m --minimax Backup the minimax proof in the UCT tree [" + to_str(mcts->minimax) + "]\n" +
" -x --visitexpand Number of visits before expanding a node [" + to_str(mcts->visitexpand) + "]\n" +
" -P --symmetry Prune symmetric moves, good for proof, not play [" + to_str(mcts->prunesymmetry) + "]\n" +
"Rollout policy:\n" +
" -w --instantwin Look for instant wins (1) and forced replies (2) [" + to_str(mcts->instantwin) + "]\n"
);
string errs;
for(unsigned int i = 0; i < args.size(); i++) {
string arg = args[i];
if((arg == "-t" || arg == "--threads") && i+1 < args.size()){
mcts->numthreads = from_str<int>(args[++i]);
bool p = mcts->ponder;
mcts->set_ponder(false); //stop the threads while resetting them
mcts->reset_threads();
mcts->set_ponder(p);
}else if((arg == "-o" || arg == "--ponder") && i+1 < args.size()){
mcts->set_ponder(from_str<bool>(args[++i]));
}else if((arg == "--profile") && i+1 < args.size()){
mcts->profile = from_str<bool>(args[++i]);
}else if((arg == "-M" || arg == "--maxmem") && i+1 < args.size()){
mcts->maxmem = from_str<uint64_t>(args[++i])*1024*1024;
}else if((arg == "-e" || arg == "--explore") && i+1 < args.size()){
mcts->explore = from_str<float>(args[++i]);
}else if((arg == "-A" || arg == "--parexplore") && i+1 < args.size()){
mcts->parentexplore = from_str<bool>(args[++i]);
}else if((arg == "-a" || arg == "--knowledge") && i+1 < args.size()){
mcts->knowledge = from_str<bool>(args[++i]);
}else if((arg == "-k" || arg == "--keeptree") && i+1 < args.size()){
mcts->keeptree = from_str<bool>(args[++i]);
}else if((arg == "-m" || arg == "--minimax") && i+1 < args.size()){
mcts->minimax = from_str<int>(args[++i]);
}else if((arg == "-P" || arg == "--symmetry") && i+1 < args.size()){
mcts->prunesymmetry = from_str<bool>(args[++i]);
}else if((arg == "-X" || arg == "--useexplore") && i+1 < args.size()){
mcts->useexplore = from_str<float>(args[++i]);
}else if((arg == "-u" || arg == "--fpurgency") && i+1 < args.size()){
mcts->fpurgency = from_str<float>(args[++i]);
}else if((arg == "-O" || arg == "--rollouts") && i+1 < args.size()){
mcts->rollouts = from_str<int>(args[++i]);
}else if((arg == "-x" || arg == "--visitexpand") && i+1 < args.size()){
mcts->visitexpand = from_str<uint>(args[++i]);
}else if((arg == "-w" || arg == "--instantwin") && i+1 < args.size()){
mcts->instantwin = from_str<int>(args[++i]);
}else{
return GTPResponse(false, "Missing or unknown parameter");
}
}
return GTPResponse(true, errs);
}
GTPResponse PentagoGTP::gtp_pns_params(vecstr args){
AgentPNS * pns = dynamic_cast<AgentPNS *>(agent);
if(args.size() == 0)
return GTPResponse(true, string("\n") +
"Update the pns solver settings, eg: pns_params -m 100 -s 0 -d 1 -e 0.25 -a 2 -l 0\n"
" -m --memory Memory limit in Mb [" + to_str(pns->memlimit/(1024*1024)) + "]\n"
" -t --threads How many threads to run [" + to_str(pns->numthreads) + "]\n"
" -s --ties Which side to assign ties to, 0 = handle, 1 = p1, 2 = p2 [" + to_str(pns->ties) + "]\n"
" -d --df Use depth-first thresholds [" + to_str(pns->df) + "]\n"
" -e --epsilon How big should the threshold be [" + to_str(pns->epsilon) + "]\n"
// " -a --abdepth Run an alpha-beta search of this size at each leaf [" + to_str(pns->ab) + "]\n"
);
string errs;
for(unsigned int i = 0; i < args.size(); i++) {
string arg = args[i];
if((arg == "-t" || arg == "--threads") && i+1 < args.size()){
pns->numthreads = from_str<int>(args[++i]);
pns->reset_threads();
}else if((arg == "-m" || arg == "--memory") && i+1 < args.size()){
uint64_t mem = from_str<uint64_t>(args[++i]);
if(mem < 1) return GTPResponse(false, "Memory can't be less than 1mb");
pns->set_memlimit(mem*1024*1024);
}else if((arg == "-s" || arg == "--ties") && i+1 < args.size()){
pns->ties = from_str<int>(args[++i]);
pns->clear_mem();
}else if((arg == "-d" || arg == "--df") && i+1 < args.size()){
pns->df = from_str<bool>(args[++i]);
}else if((arg == "-e" || arg == "--epsilon") && i+1 < args.size()){
pns->epsilon = from_str<float>(args[++i]);
// }else if((arg == "-a" || arg == "--abdepth") && i+1 < args.size()){
// pns->ab = from_str<int>(args[++i]);
}else{
return GTPResponse(false, "Missing or unknown parameter");
}
}
return GTPResponse(true, errs);
}