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Remove killer class #88

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Merged
Aryan1508 merged 1 commit into from
Jul 2, 2021
Merged

Remove killer class #88

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Bench: 14096881
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@Aryan1508
Aryan1508 committed Jul 2, 2021
commit 9acfe2df57584efa855d2b29c88cf423cab7de2e
44 changes: 0 additions & 44 deletions Bit-Genie/src/killer.h
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1 change: 0 additions & 1 deletion Bit-Genie/src/misc.h
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Original file line number Diff line number Diff line change
Expand Up @@ -43,7 +43,6 @@ enum PieceType : uint8_t;
enum Color : uint8_t;

class CastleRights;
class Killers;
class Movelist;
class PieceManager;
class Position;
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4 changes: 2 additions & 2 deletions Bit-Genie/src/moveorder.cpp
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Expand Up @@ -190,7 +190,7 @@ bool MovePicker::next(Move &move)
if (stage == Stage::Killer1)
{
stage = Stage::Killer2;
Move killer = search->killers.first(search->stats.ply);
Move killer = search->killers[search->stats.ply][0];

if (can_move(killer))
{
Expand All @@ -202,7 +202,7 @@ bool MovePicker::next(Move &move)
if (stage == Stage::Killer2)
{
stage = Stage::GiveBadNoisy;
Move killer = search->killers.second(search->stats.ply);
Move killer = search->killers[search->stats.ply][1];

if (can_move(killer))
{
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8 changes: 7 additions & 1 deletion Bit-Genie/src/search.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -114,6 +114,12 @@ namespace
return std::abs(alpha - beta) > 1;
}

void add_killer(Search::Info& search, Move move)
{
search.killers[search.stats.ply][1] = search.killers[search.stats.ply][0];
search.killers[search.stats.ply][0] = move;
}

SearchResult pvs(Search::Info& search, int depth, int alpha, int beta, bool do_null = true)
{
if (search.limits.stopped)
Expand Down Expand Up @@ -239,7 +245,7 @@ namespace
{
search.history.add(position, move, depth * depth);
search.history.penalty(position, picker.gen.movelist, move, depth);
search.killers.add(search.stats.ply, move);
add_killer(search, move);
}
break;
}
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3 changes: 1 addition & 2 deletions Bit-Genie/src/search.h
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Expand Up @@ -18,7 +18,6 @@
#pragma once
#include "searchstats.h"
#include "searchlimits.h"
#include "killer.h"
#include "shistory.h"
#include <atomic>

Expand All @@ -29,7 +28,7 @@ namespace Search
Position* position;
Stats stats;
Limits limits;
Killers killers;
Move killers[64][2] = {NullMove};
SHistory history;

void update();
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2 changes: 1 addition & 1 deletion Bit-Genie/src/uci.cpp
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Expand Up @@ -26,7 +26,7 @@
#include "searchinit.h"
#include "polyglot.h"

const char *version = "7.15";
const char *version = "7.16";

namespace
{
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