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Code Issues Releases Wiki Activity

Cleanup poll()

Browse source 
Reshape this function in preparation
for future work.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>
This commit is contained in:
Marco Costalba 2008-09-18 10:34:19 +01:00
parent 18860cce40
commit 5c4f6f6226
1 changed files with 49 additions and 47 deletions
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52
src/search.cpp
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@ -2136,38 +2136,43 @@ namespace {
// search. // search.
void poll() { void poll() {
int t, data;
static int lastInfoTime;
t = current_search_time(); static int lastInfoTime;
int t = current_search_time();
// Poll for input // Poll for input
data = Bioskey(); if (Bioskey())
if(data) { {
char input[256]; // We are line oriented, don't read single chars
if(fgets(input, 255, stdin) == NULL) std::string command;
strncpy(input, "quit\n", 5); if (!std::getline(std::cin, command))
if(strncmp(input, "quit", 4) == 0) { command = "quit";
if (command == "quit")
{
AbortSearch = true; AbortSearch = true;
PonderSearch = false; PonderSearch = false;
Quit = true; Quit = true;
} }
else if(strncmp(input, "stop", 4) == 0) { else if(command == "stop")
{
AbortSearch = true; AbortSearch = true;
PonderSearch = false; PonderSearch = false;
} }
else if(strncmp(input, "ponderhit", 9) == 0) else if(command == "ponderhit")
ponderhit(); ponderhit();
} }
// Print search information // Print search information
if (t < 1000) if (t < 1000)
lastInfoTime = 0; lastInfoTime = 0;
else if (lastInfoTime > t) else if (lastInfoTime > t)
// HACK: Must be a new search where we searched less than // HACK: Must be a new search where we searched less than
// NodesBetweenPolls nodes during the first second of search. // NodesBetweenPolls nodes during the first second of search.
lastInfoTime = 0; lastInfoTime = 0;
else if(t - lastInfoTime >= 1000) {
else if (t - lastInfoTime >= 1000)
{
lastInfoTime = t; lastInfoTime = t;
lock_grab(&IOLock); lock_grab(&IOLock);
std::cout << "info nodes " << nodes_searched() << " nps " << nps() std::cout << "info nodes " << nodes_searched() << " nps " << nps()
@ -2176,21 +2181,18 @@ namespace {
if (ShowCurrentLine) if (ShowCurrentLine)
Threads[0].printCurrentLine = true; Threads[0].printCurrentLine = true;
} }
// Should we stop the search? // Should we stop the search?
if(!PonderSearch && Iteration >= 2 && if (PonderSearch)
(!InfiniteSearch && (t > AbsoluteMaxSearchTime || return;
(RootMoveNumber == 1 &&
t > MaxSearchTime + ExtraSearchTime) ||
(!FailHigh && !fail_high_ply_1() && !Problem &&
t > 6*(MaxSearchTime + ExtraSearchTime)))))
AbortSearch = true;
if(!PonderSearch && ExactMaxTime && t >= ExactMaxTime) bool overTime = t > AbsoluteMaxSearchTime
AbortSearch = true; || (RootMoveNumber == 1 && t > MaxSearchTime + ExtraSearchTime)
|| ( !FailHigh && !fail_high_ply_1() && !Problem
&& t > 6*(MaxSearchTime + ExtraSearchTime));
if(!PonderSearch && Iteration >= 3 && MaxNodes if ( (Iteration >= 2 && (!InfiniteSearch && overTime))
&& nodes_searched() >= MaxNodes) || (ExactMaxTime && t >= ExactMaxTime)
|| (Iteration >= 3 && MaxNodes && nodes_searched() >= MaxNodes))
AbortSearch = true; AbortSearch = true;
} }