mirror of
https://github.com/id-Software/DOOM-3-BFG.git
synced 2024-11-25 05:21:39 +00:00
1297 lines
No EOL
37 KiB
C++
1297 lines
No EOL
37 KiB
C++
/*
|
|
===========================================================================
|
|
|
|
Doom 3 BFG Edition GPL Source Code
|
|
Copyright (C) 1993-2012 id Software LLC, a ZeniMax Media company.
|
|
|
|
This file is part of the Doom 3 BFG Edition GPL Source Code ("Doom 3 BFG Edition Source Code").
|
|
|
|
Doom 3 BFG Edition Source Code is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
Doom 3 BFG Edition Source Code is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with Doom 3 BFG Edition Source Code. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
In addition, the Doom 3 BFG Edition Source Code is also subject to certain additional terms. You should have received a copy of these additional terms immediately following the terms and conditions of the GNU General Public License which accompanied the Doom 3 BFG Edition Source Code. If not, please request a copy in writing from id Software at the address below.
|
|
|
|
If you have questions concerning this license or the applicable additional terms, you may contact in writing id Software LLC, c/o ZeniMax Media Inc., Suite 120, Rockville, Maryland 20850 USA.
|
|
|
|
===========================================================================
|
|
*/
|
|
#pragma hdrstop
|
|
#include "precompiled.h"
|
|
#include "ParallelJobList.h"
|
|
|
|
/*
|
|
================================================================================================
|
|
|
|
Job and Job-List names
|
|
|
|
================================================================================================
|
|
*/
|
|
|
|
const char * jobNames[] = {
|
|
ASSERT_ENUM_STRING( JOBLIST_RENDERER_FRONTEND, 0 ),
|
|
ASSERT_ENUM_STRING( JOBLIST_RENDERER_BACKEND, 1 ),
|
|
ASSERT_ENUM_STRING( JOBLIST_UTILITY, 9 ),
|
|
};
|
|
|
|
static const int MAX_REGISTERED_JOBS = 128;
|
|
struct registeredJob {
|
|
jobRun_t function;
|
|
const char * name;
|
|
} registeredJobs[MAX_REGISTERED_JOBS];
|
|
static int numRegisteredJobs;
|
|
|
|
const char * GetJobListName( jobListId_t id ) {
|
|
return jobNames[id];
|
|
}
|
|
|
|
/*
|
|
========================
|
|
IsRegisteredJob
|
|
========================
|
|
*/
|
|
static bool IsRegisteredJob( jobRun_t function ) {
|
|
for ( int i = 0; i < numRegisteredJobs; i++ ) {
|
|
if ( registeredJobs[i].function == function ) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
RegisterJob
|
|
========================
|
|
*/
|
|
void RegisterJob( jobRun_t function, const char * name ) {
|
|
if ( IsRegisteredJob( function ) ) {
|
|
return;
|
|
}
|
|
registeredJobs[numRegisteredJobs].function = function;
|
|
registeredJobs[numRegisteredJobs].name = name;
|
|
numRegisteredJobs++;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
GetJobName
|
|
========================
|
|
*/
|
|
const char * GetJobName( jobRun_t function ) {
|
|
for ( int i = 0; i < numRegisteredJobs; i++ ) {
|
|
if ( registeredJobs[i].function == function ) {
|
|
return registeredJobs[i].name;
|
|
}
|
|
}
|
|
return "unknown";
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobRegistration::idParallelJobRegistration
|
|
========================
|
|
*/
|
|
idParallelJobRegistration::idParallelJobRegistration( jobRun_t function, const char * name ) {
|
|
RegisterJob( function, name );
|
|
}
|
|
|
|
int globalSpuLocalStoreActive;
|
|
void * globalSpuLocalStoreStart;
|
|
void * globalSpuLocalStoreEnd;
|
|
idSysMutex globalSpuLocalStoreMutex;
|
|
|
|
/*
|
|
================================================================================================
|
|
|
|
PS3
|
|
|
|
================================================================================================
|
|
*/
|
|
|
|
|
|
/*
|
|
================================================================================================
|
|
|
|
idParallelJobList_Threads
|
|
|
|
================================================================================================
|
|
*/
|
|
|
|
static idCVar jobs_longJobMicroSec( "jobs_longJobMicroSec", "10000", CVAR_INTEGER, "print a warning for jobs that take more than this number of microseconds" );
|
|
|
|
|
|
const static int MAX_THREADS = 32;
|
|
|
|
struct threadJobListState_t {
|
|
threadJobListState_t() :
|
|
jobList( NULL ),
|
|
version( 0xFFFFFFFF ),
|
|
signalIndex( 0 ),
|
|
lastJobIndex( 0 ),
|
|
nextJobIndex( -1 ) {}
|
|
threadJobListState_t( int _version ) :
|
|
jobList( NULL ),
|
|
version( _version ),
|
|
signalIndex( 0 ),
|
|
lastJobIndex( 0 ),
|
|
nextJobIndex( -1 ) {}
|
|
idParallelJobList_Threads * jobList;
|
|
int version;
|
|
int signalIndex;
|
|
int lastJobIndex;
|
|
int nextJobIndex;
|
|
};
|
|
|
|
struct threadStats_t {
|
|
unsigned int numExecutedJobs;
|
|
unsigned int numExecutedSyncs;
|
|
uint64 submitTime;
|
|
uint64 startTime;
|
|
uint64 endTime;
|
|
uint64 waitTime;
|
|
uint64 threadExecTime[MAX_THREADS];
|
|
uint64 threadTotalTime[MAX_THREADS];
|
|
};
|
|
|
|
class idParallelJobList_Threads {
|
|
public:
|
|
idParallelJobList_Threads( jobListId_t id, jobListPriority_t priority, unsigned int maxJobs, unsigned int maxSyncs );
|
|
~idParallelJobList_Threads();
|
|
|
|
//------------------------
|
|
// These are called from the one thread that manages this list.
|
|
//------------------------
|
|
ID_INLINE void AddJob( jobRun_t function, void * data );
|
|
ID_INLINE void InsertSyncPoint( jobSyncType_t syncType );
|
|
void Submit( idParallelJobList_Threads * waitForJobList_, int parallelism );
|
|
void Wait();
|
|
bool TryWait();
|
|
bool IsSubmitted() const;
|
|
|
|
unsigned int GetNumExecutedJobs() const { return threadStats.numExecutedJobs; }
|
|
unsigned int GetNumSyncs() const { return threadStats.numExecutedSyncs; }
|
|
uint64 GetSubmitTimeMicroSec() const { return threadStats.submitTime; }
|
|
uint64 GetStartTimeMicroSec() const { return threadStats.startTime; }
|
|
uint64 GetFinishTimeMicroSec() const { return threadStats.endTime; }
|
|
uint64 GetWaitTimeMicroSec() const { return threadStats.waitTime; }
|
|
uint64 GetTotalProcessingTimeMicroSec() const;
|
|
uint64 GetTotalWastedTimeMicroSec() const;
|
|
uint64 GetUnitProcessingTimeMicroSec( int unit ) const;
|
|
uint64 GetUnitWastedTimeMicroSec( int unit ) const;
|
|
|
|
jobListId_t GetId() const { return listId; }
|
|
jobListPriority_t GetPriority() const { return listPriority; }
|
|
int GetVersion() { return version.GetValue(); }
|
|
|
|
bool WaitForOtherJobList();
|
|
|
|
//------------------------
|
|
// This is thread safe and called from the job threads.
|
|
//------------------------
|
|
enum runResult_t {
|
|
RUN_OK = 0,
|
|
RUN_PROGRESS = BIT( 0 ),
|
|
RUN_DONE = BIT( 1 ),
|
|
RUN_STALLED = BIT( 2 )
|
|
};
|
|
|
|
int RunJobs( unsigned int threadNum, threadJobListState_t & state, bool singleJob );
|
|
|
|
private:
|
|
static const int NUM_DONE_GUARDS = 4; // cycle through 4 guards so we can cyclicly chain job lists
|
|
|
|
bool threaded;
|
|
bool done;
|
|
bool hasSignal;
|
|
jobListId_t listId;
|
|
jobListPriority_t listPriority;
|
|
unsigned int maxJobs;
|
|
unsigned int maxSyncs;
|
|
unsigned int numSyncs;
|
|
int lastSignalJob;
|
|
idSysInterlockedInteger * waitForGuard;
|
|
idSysInterlockedInteger doneGuards[NUM_DONE_GUARDS];
|
|
int currentDoneGuard;
|
|
idSysInterlockedInteger version;
|
|
struct job_t {
|
|
jobRun_t function;
|
|
void * data;
|
|
int executed;
|
|
};
|
|
idList< job_t, TAG_JOBLIST > jobList;
|
|
idList< idSysInterlockedInteger, TAG_JOBLIST > signalJobCount;
|
|
idSysInterlockedInteger currentJob;
|
|
idSysInterlockedInteger fetchLock;
|
|
idSysInterlockedInteger numThreadsExecuting;
|
|
|
|
threadStats_t deferredThreadStats;
|
|
threadStats_t threadStats;
|
|
|
|
int RunJobsInternal( unsigned int threadNum, threadJobListState_t & state, bool singleJob );
|
|
|
|
static void Nop( void * data ) {}
|
|
|
|
static int JOB_SIGNAL;
|
|
static int JOB_SYNCHRONIZE;
|
|
static int JOB_LIST_DONE;
|
|
};
|
|
|
|
int idParallelJobList_Threads::JOB_SIGNAL;
|
|
int idParallelJobList_Threads::JOB_SYNCHRONIZE;
|
|
int idParallelJobList_Threads::JOB_LIST_DONE;
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::idParallelJobList_Threads
|
|
========================
|
|
*/
|
|
idParallelJobList_Threads::idParallelJobList_Threads( jobListId_t id, jobListPriority_t priority, unsigned int maxJobs, unsigned int maxSyncs ) :
|
|
threaded( true ),
|
|
done( true ),
|
|
hasSignal( false ),
|
|
listId( id ),
|
|
listPriority( priority ),
|
|
numSyncs( 0 ),
|
|
lastSignalJob( 0 ),
|
|
waitForGuard( NULL ),
|
|
currentDoneGuard( 0 ),
|
|
jobList() {
|
|
|
|
assert( listPriority != JOBLIST_PRIORITY_NONE );
|
|
|
|
this->maxJobs = maxJobs;
|
|
this->maxSyncs = maxSyncs;
|
|
jobList.AssureSize( maxJobs + maxSyncs * 2 + 1 ); // syncs go in as dummy jobs and one more to update the doneCount
|
|
jobList.SetNum( 0 );
|
|
signalJobCount.AssureSize( maxSyncs + 1 ); // need one extra for submit
|
|
signalJobCount.SetNum( 0 );
|
|
|
|
memset( &deferredThreadStats, 0, sizeof( threadStats_t ) );
|
|
memset( &threadStats, 0, sizeof( threadStats_t ) );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::~idParallelJobList_Threads
|
|
========================
|
|
*/
|
|
idParallelJobList_Threads::~idParallelJobList_Threads() {
|
|
Wait();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::AddJob
|
|
========================
|
|
*/
|
|
ID_INLINE void idParallelJobList_Threads::AddJob( jobRun_t function, void * data ) {
|
|
assert( done );
|
|
#if defined( _DEBUG )
|
|
// make sure there isn't already a job with the same function and data in the list
|
|
if ( jobList.Num() < 1000 ) { // don't do this N^2 slow check on big lists
|
|
for ( int i = 0; i < jobList.Num(); i++ ) {
|
|
assert( jobList[i].function != function || jobList[i].data != data );
|
|
}
|
|
}
|
|
#endif
|
|
if ( 1 ) { // JDC: this never worked in tech5! !jobList.IsFull() ) {
|
|
job_t & job = jobList.Alloc();
|
|
job.function = function;
|
|
job.data = data;
|
|
job.executed = 0;
|
|
} else {
|
|
// debug output to show us what is overflowing
|
|
int currentJobCount[MAX_REGISTERED_JOBS] = {};
|
|
|
|
for ( int i = 0; i < jobList.Num(); ++i ) {
|
|
const char * jobName = GetJobName( jobList[ i ].function );
|
|
for ( int j = 0; j < numRegisteredJobs; ++j ) {
|
|
if ( jobName == registeredJobs[ j ].name ) {
|
|
currentJobCount[ j ]++;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// print the quantity of each job type
|
|
for ( int i = 0; i < numRegisteredJobs; ++i ) {
|
|
if ( currentJobCount[ i ] > 0 ) {
|
|
idLib::Printf( "Job: %s, # %d", registeredJobs[ i ].name, currentJobCount[ i ] );
|
|
}
|
|
}
|
|
idLib::Error( "Can't add job '%s', too many jobs %d", GetJobName( function ), jobList.Num() );
|
|
}
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::InsertSyncPoint
|
|
========================
|
|
*/
|
|
ID_INLINE void idParallelJobList_Threads::InsertSyncPoint( jobSyncType_t syncType ) {
|
|
assert( done );
|
|
switch( syncType ) {
|
|
case SYNC_SIGNAL: {
|
|
assert( !hasSignal );
|
|
if ( jobList.Num() ) {
|
|
assert( !hasSignal );
|
|
signalJobCount.Alloc();
|
|
signalJobCount[signalJobCount.Num() - 1].SetValue( jobList.Num() - lastSignalJob );
|
|
lastSignalJob = jobList.Num();
|
|
job_t & job = jobList.Alloc();
|
|
job.function = Nop;
|
|
job.data = & JOB_SIGNAL;
|
|
hasSignal = true;
|
|
}
|
|
break;
|
|
}
|
|
case SYNC_SYNCHRONIZE: {
|
|
if ( hasSignal ) {
|
|
job_t & job = jobList.Alloc();
|
|
job.function = Nop;
|
|
job.data = & JOB_SYNCHRONIZE;
|
|
hasSignal = false;
|
|
numSyncs++;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::Submit
|
|
========================
|
|
*/
|
|
void idParallelJobList_Threads::Submit( idParallelJobList_Threads * waitForJobList, int parallelism ) {
|
|
assert( done );
|
|
assert( numSyncs <= maxSyncs );
|
|
assert( (unsigned int) jobList.Num() <= maxJobs + numSyncs * 2 );
|
|
assert( fetchLock.GetValue() == 0 );
|
|
|
|
done = false;
|
|
currentJob.SetValue( 0 );
|
|
|
|
memset( &deferredThreadStats, 0, sizeof( deferredThreadStats ) );
|
|
deferredThreadStats.numExecutedJobs = jobList.Num() - numSyncs * 2;
|
|
deferredThreadStats.numExecutedSyncs = numSyncs;
|
|
deferredThreadStats.submitTime = Sys_Microseconds();
|
|
deferredThreadStats.startTime = 0;
|
|
deferredThreadStats.endTime = 0;
|
|
deferredThreadStats.waitTime = 0;
|
|
|
|
if ( jobList.Num() == 0 ) {
|
|
return;
|
|
}
|
|
|
|
if ( waitForJobList != NULL ) {
|
|
waitForGuard = & waitForJobList->doneGuards[waitForJobList->currentDoneGuard];
|
|
} else {
|
|
waitForGuard = NULL;
|
|
}
|
|
|
|
currentDoneGuard = ( currentDoneGuard + 1 ) & ( NUM_DONE_GUARDS - 1 );
|
|
doneGuards[currentDoneGuard].SetValue( 1 );
|
|
|
|
signalJobCount.Alloc();
|
|
signalJobCount[signalJobCount.Num() - 1].SetValue( jobList.Num() - lastSignalJob );
|
|
|
|
job_t & job = jobList.Alloc();
|
|
job.function = Nop;
|
|
job.data = & JOB_LIST_DONE;
|
|
|
|
if ( threaded ) {
|
|
// hand over to the manager
|
|
void SubmitJobList( idParallelJobList_Threads * jobList, int parallelism );
|
|
SubmitJobList( this, parallelism );
|
|
} else {
|
|
// run all the jobs right here
|
|
threadJobListState_t state( GetVersion() );
|
|
RunJobs( 0, state, false );
|
|
}
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::Wait
|
|
========================
|
|
*/
|
|
void idParallelJobList_Threads::Wait() {
|
|
if ( jobList.Num() > 0 ) {
|
|
// don't lock up but return if the job list was never properly submitted
|
|
if ( !verify( !done && signalJobCount.Num() > 0 ) ) {
|
|
return;
|
|
}
|
|
|
|
bool waited = false;
|
|
uint64 waitStart = Sys_Microseconds();
|
|
|
|
while ( signalJobCount[signalJobCount.Num() - 1].GetValue() > 0 ) {
|
|
Sys_Yield();
|
|
waited = true;
|
|
}
|
|
version.Increment();
|
|
while ( numThreadsExecuting.GetValue() > 0 ) {
|
|
Sys_Yield();
|
|
waited = true;
|
|
}
|
|
|
|
jobList.SetNum( 0 );
|
|
signalJobCount.SetNum( 0 );
|
|
numSyncs = 0;
|
|
lastSignalJob = 0;
|
|
|
|
uint64 waitEnd = Sys_Microseconds();
|
|
deferredThreadStats.waitTime = waited ? ( waitEnd - waitStart ) : 0;
|
|
}
|
|
memcpy( & threadStats, & deferredThreadStats, sizeof( threadStats ) );
|
|
done = true;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::TryWait
|
|
========================
|
|
*/
|
|
bool idParallelJobList_Threads::TryWait() {
|
|
if ( jobList.Num() == 0 || signalJobCount[signalJobCount.Num() - 1].GetValue() <= 0 ) {
|
|
Wait();
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::IsSubmitted
|
|
========================
|
|
*/
|
|
bool idParallelJobList_Threads::IsSubmitted() const {
|
|
return !done;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::GetTotalProcessingTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList_Threads::GetTotalProcessingTimeMicroSec() const {
|
|
uint64 total = 0;
|
|
for ( int unit = 0; unit < MAX_THREADS; unit++ ) {
|
|
total += threadStats.threadExecTime[unit];
|
|
}
|
|
return total;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::GetTotalWastedTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList_Threads::GetTotalWastedTimeMicroSec() const {
|
|
uint64 total = 0;
|
|
for ( int unit = 0; unit < MAX_THREADS; unit++ ) {
|
|
total += threadStats.threadTotalTime[unit] - threadStats.threadExecTime[unit];
|
|
}
|
|
return total;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::GetUnitProcessingTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList_Threads::GetUnitProcessingTimeMicroSec( int unit ) const {
|
|
if ( unit < 0 || unit >= MAX_THREADS ) {
|
|
return 0;
|
|
}
|
|
return threadStats.threadExecTime[unit];
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::GetUnitWastedTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList_Threads::GetUnitWastedTimeMicroSec( int unit ) const {
|
|
if ( unit < 0 || unit >= MAX_THREADS ) {
|
|
return 0;
|
|
}
|
|
return threadStats.threadTotalTime[unit] - threadStats.threadExecTime[unit];
|
|
}
|
|
|
|
#ifndef _DEBUG
|
|
volatile float longJobTime;
|
|
volatile jobRun_t longJobFunc;
|
|
volatile void * longJobData;
|
|
#endif
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::RunJobsInternal
|
|
========================
|
|
*/
|
|
int idParallelJobList_Threads::RunJobsInternal( unsigned int threadNum, threadJobListState_t & state, bool singleJob ) {
|
|
if ( state.version != version.GetValue() ) {
|
|
// trying to run an old version of this list that is already done
|
|
return RUN_DONE;
|
|
}
|
|
|
|
assert( threadNum < MAX_THREADS );
|
|
|
|
if ( deferredThreadStats.startTime == 0 ) {
|
|
deferredThreadStats.startTime = Sys_Microseconds(); // first time any thread is running jobs from this list
|
|
}
|
|
|
|
int result = RUN_OK;
|
|
|
|
do {
|
|
|
|
// run through all signals and syncs before the last job that has been or is being executed
|
|
// this loop is really an optimization to minimize the time spent in the fetchLock section below
|
|
for ( ; state.lastJobIndex < (int) currentJob.GetValue() && state.lastJobIndex < jobList.Num(); state.lastJobIndex++ ) {
|
|
if ( jobList[state.lastJobIndex].data == & JOB_SIGNAL ) {
|
|
state.signalIndex++;
|
|
assert( state.signalIndex < signalJobCount.Num() );
|
|
} else if ( jobList[state.lastJobIndex].data == & JOB_SYNCHRONIZE ) {
|
|
assert( state.signalIndex > 0 );
|
|
if ( signalJobCount[state.signalIndex - 1].GetValue() > 0 ) {
|
|
// stalled on a synchronization point
|
|
return ( result | RUN_STALLED );
|
|
}
|
|
} else if ( jobList[state.lastJobIndex].data == & JOB_LIST_DONE ) {
|
|
if ( signalJobCount[signalJobCount.Num() - 1].GetValue() > 0 ) {
|
|
// stalled on a synchronization point
|
|
return ( result | RUN_STALLED );
|
|
}
|
|
}
|
|
}
|
|
|
|
// try to lock to fetch a new job
|
|
if ( fetchLock.Increment() == 1 ) {
|
|
|
|
// grab a new job
|
|
state.nextJobIndex = currentJob.Increment() - 1;
|
|
|
|
// run through any remaining signals and syncs (this should rarely iterate more than once)
|
|
for ( ; state.lastJobIndex <= state.nextJobIndex && state.lastJobIndex < jobList.Num(); state.lastJobIndex++ ) {
|
|
if ( jobList[state.lastJobIndex].data == & JOB_SIGNAL ) {
|
|
state.signalIndex++;
|
|
assert( state.signalIndex < signalJobCount.Num() );
|
|
} else if ( jobList[state.lastJobIndex].data == & JOB_SYNCHRONIZE ) {
|
|
assert( state.signalIndex > 0 );
|
|
if ( signalJobCount[state.signalIndex - 1].GetValue() > 0 ) {
|
|
// return this job to the list
|
|
currentJob.Decrement();
|
|
// release the fetch lock
|
|
fetchLock.Decrement();
|
|
// stalled on a synchronization point
|
|
return ( result | RUN_STALLED );
|
|
}
|
|
} else if ( jobList[state.lastJobIndex].data == & JOB_LIST_DONE ) {
|
|
if ( signalJobCount[signalJobCount.Num() - 1].GetValue() > 0 ) {
|
|
// return this job to the list
|
|
currentJob.Decrement();
|
|
// release the fetch lock
|
|
fetchLock.Decrement();
|
|
// stalled on a synchronization point
|
|
return ( result | RUN_STALLED );
|
|
}
|
|
// decrement the done count
|
|
doneGuards[currentDoneGuard].Decrement();
|
|
}
|
|
}
|
|
// release the fetch lock
|
|
fetchLock.Decrement();
|
|
} else {
|
|
// release the fetch lock
|
|
fetchLock.Decrement();
|
|
// another thread is fetching right now so consider stalled
|
|
return ( result | RUN_STALLED );
|
|
}
|
|
|
|
// if at the end of the job list we're done
|
|
if ( state.nextJobIndex >= jobList.Num() ) {
|
|
return ( result | RUN_DONE );
|
|
}
|
|
|
|
// execute the next job
|
|
{
|
|
uint64 jobStart = Sys_Microseconds();
|
|
|
|
jobList[state.nextJobIndex].function( jobList[state.nextJobIndex].data );
|
|
jobList[state.nextJobIndex].executed = 1;
|
|
|
|
uint64 jobEnd = Sys_Microseconds();
|
|
deferredThreadStats.threadExecTime[threadNum] += jobEnd - jobStart;
|
|
|
|
#ifndef _DEBUG
|
|
if ( jobs_longJobMicroSec.GetInteger() > 0 ) {
|
|
if ( jobEnd - jobStart > jobs_longJobMicroSec.GetInteger()
|
|
&& GetId() != JOBLIST_UTILITY ) {
|
|
longJobTime = ( jobEnd - jobStart ) * ( 1.0f / 1000.0f );
|
|
longJobFunc = jobList[state.nextJobIndex].function;
|
|
longJobData = jobList[state.nextJobIndex].data;
|
|
const char * jobName = GetJobName( jobList[state.nextJobIndex].function );
|
|
const char * jobListName = GetJobListName( GetId() );
|
|
idLib::Printf( "%1.1f milliseconds for a single '%s' job from job list %s on thread %d\n", longJobTime, jobName, jobListName, threadNum );
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
|
|
result |= RUN_PROGRESS;
|
|
|
|
// decrease the job count for the current signal
|
|
if ( signalJobCount[state.signalIndex].Decrement() == 0 ) {
|
|
// if this was the very last job of the job list
|
|
if ( state.signalIndex == signalJobCount.Num() - 1 ) {
|
|
deferredThreadStats.endTime = Sys_Microseconds();
|
|
return ( result | RUN_DONE );
|
|
}
|
|
}
|
|
|
|
} while( ! singleJob );
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::RunJobs
|
|
========================
|
|
*/
|
|
int idParallelJobList_Threads::RunJobs( unsigned int threadNum, threadJobListState_t & state, bool singleJob ) {
|
|
uint64 start = Sys_Microseconds();
|
|
|
|
numThreadsExecuting.Increment();
|
|
|
|
int result = RunJobsInternal( threadNum, state, singleJob );
|
|
|
|
numThreadsExecuting.Decrement();
|
|
|
|
deferredThreadStats.threadTotalTime[threadNum] += Sys_Microseconds() - start;
|
|
|
|
return result;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList_Threads::WaitForOtherJobList
|
|
========================
|
|
*/
|
|
bool idParallelJobList_Threads::WaitForOtherJobList() {
|
|
if ( waitForGuard != NULL ) {
|
|
if ( waitForGuard->GetValue() > 0 ) {
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
|
|
idParallelJobList
|
|
|
|
================================================================================================
|
|
*/
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::idParallelJobList
|
|
========================
|
|
*/
|
|
idParallelJobList::idParallelJobList( jobListId_t id, jobListPriority_t priority, unsigned int maxJobs, unsigned int maxSyncs, const idColor * color ) {
|
|
assert( priority > JOBLIST_PRIORITY_NONE );
|
|
this->jobListThreads = new (TAG_JOBLIST) idParallelJobList_Threads( id, priority, maxJobs, maxSyncs );
|
|
this->color = color;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::~idParallelJobList
|
|
========================
|
|
*/
|
|
idParallelJobList::~idParallelJobList() {
|
|
delete jobListThreads;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::AddJob
|
|
========================
|
|
*/
|
|
void idParallelJobList::AddJob( jobRun_t function, void * data ) {
|
|
assert( IsRegisteredJob( function ) );
|
|
jobListThreads->AddJob( function, data );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::AddJobSPURS
|
|
========================
|
|
*/
|
|
CellSpursJob128 * idParallelJobList::AddJobSPURS() {
|
|
return NULL;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::InsertSyncPoint
|
|
========================
|
|
*/
|
|
void idParallelJobList::InsertSyncPoint( jobSyncType_t syncType ) {
|
|
jobListThreads->InsertSyncPoint( syncType );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::Wait
|
|
========================
|
|
*/
|
|
void idParallelJobList::Wait() {
|
|
if ( jobListThreads != NULL ) {
|
|
jobListThreads->Wait();
|
|
}
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::TryWait
|
|
========================
|
|
*/
|
|
bool idParallelJobList::TryWait() {
|
|
bool done = true;
|
|
if ( jobListThreads != NULL ) {
|
|
done &= jobListThreads->TryWait();
|
|
}
|
|
return done;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::Submit
|
|
========================
|
|
*/
|
|
void idParallelJobList::Submit( idParallelJobList * waitForJobList, int parallelism ) {
|
|
assert( waitForJobList != this );
|
|
jobListThreads->Submit( ( waitForJobList != NULL ) ? waitForJobList->jobListThreads : NULL, parallelism );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::IsSubmitted
|
|
========================
|
|
*/
|
|
bool idParallelJobList::IsSubmitted() const {
|
|
return jobListThreads->IsSubmitted();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetNumExecutedJobs
|
|
========================
|
|
*/
|
|
unsigned int idParallelJobList::GetNumExecutedJobs() const {
|
|
return jobListThreads->GetNumExecutedJobs();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetNumSyncs
|
|
========================
|
|
*/
|
|
unsigned int idParallelJobList::GetNumSyncs() const {
|
|
return jobListThreads->GetNumSyncs();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetSubmitTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetSubmitTimeMicroSec() const {
|
|
return jobListThreads->GetSubmitTimeMicroSec();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetStartTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetStartTimeMicroSec() const {
|
|
return jobListThreads->GetStartTimeMicroSec();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetFinishTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetFinishTimeMicroSec() const {
|
|
return jobListThreads->GetFinishTimeMicroSec();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetWaitTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetWaitTimeMicroSec() const {
|
|
return jobListThreads->GetWaitTimeMicroSec();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetTotalProcessingTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetTotalProcessingTimeMicroSec() const {
|
|
return jobListThreads->GetTotalProcessingTimeMicroSec();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetTotalWastedTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetTotalWastedTimeMicroSec() const {
|
|
return jobListThreads->GetTotalWastedTimeMicroSec();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetUnitProcessingTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetUnitProcessingTimeMicroSec( int unit ) const {
|
|
return jobListThreads->GetUnitProcessingTimeMicroSec( unit );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetUnitWastedTimeMicroSec
|
|
========================
|
|
*/
|
|
uint64 idParallelJobList::GetUnitWastedTimeMicroSec( int unit ) const {
|
|
return jobListThreads->GetUnitWastedTimeMicroSec( unit );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobList::GetId
|
|
========================
|
|
*/
|
|
jobListId_t idParallelJobList::GetId() const {
|
|
return jobListThreads->GetId();
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
|
|
idJobThread
|
|
|
|
================================================================================================
|
|
*/
|
|
|
|
const int JOB_THREAD_STACK_SIZE = 256 * 1024; // same size as the SPU local store
|
|
|
|
struct threadJobList_t {
|
|
idParallelJobList_Threads * jobList;
|
|
int version;
|
|
};
|
|
|
|
static idCVar jobs_prioritize( "jobs_prioritize", "1", CVAR_BOOL | CVAR_NOCHEAT, "prioritize job lists" );
|
|
|
|
class idJobThread : public idSysThread {
|
|
public:
|
|
idJobThread();
|
|
~idJobThread();
|
|
|
|
void Start( core_t core, unsigned int threadNum );
|
|
|
|
void AddJobList( idParallelJobList_Threads * jobList );
|
|
|
|
private:
|
|
threadJobList_t jobLists[MAX_JOBLISTS]; // cyclic buffer with job lists
|
|
unsigned int firstJobList; // index of the last job list the thread grabbed
|
|
unsigned int lastJobList; // index where the next job list to work on will be added
|
|
idSysMutex addJobMutex;
|
|
|
|
unsigned int threadNum;
|
|
|
|
virtual int Run();
|
|
};
|
|
|
|
/*
|
|
========================
|
|
idJobThread::idJobThread
|
|
========================
|
|
*/
|
|
idJobThread::idJobThread() :
|
|
firstJobList( 0 ),
|
|
lastJobList( 0 ),
|
|
threadNum( 0 ) {
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idJobThread::~idJobThread
|
|
========================
|
|
*/
|
|
idJobThread::~idJobThread() {
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idJobThread::Start
|
|
========================
|
|
*/
|
|
void idJobThread::Start( core_t core, unsigned int threadNum ) {
|
|
this->threadNum = threadNum;
|
|
StartWorkerThread( va( "JobListProcessor_%d", threadNum ), core, THREAD_NORMAL, JOB_THREAD_STACK_SIZE );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idJobThread::AddJobList
|
|
========================
|
|
*/
|
|
void idJobThread::AddJobList( idParallelJobList_Threads * jobList ) {
|
|
// must lock because multiple threads may try to add new job lists at the same time
|
|
addJobMutex.Lock();
|
|
// wait until there is space available because in rare cases multiple versions of the same job lists may still be queued
|
|
while( lastJobList - firstJobList >= MAX_JOBLISTS ) {
|
|
Sys_Yield();
|
|
}
|
|
assert( lastJobList - firstJobList < MAX_JOBLISTS );
|
|
jobLists[lastJobList & ( MAX_JOBLISTS - 1 )].jobList = jobList;
|
|
jobLists[lastJobList & ( MAX_JOBLISTS - 1 )].version = jobList->GetVersion();
|
|
lastJobList++;
|
|
addJobMutex.Unlock();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idJobThread::Run
|
|
========================
|
|
*/
|
|
int idJobThread::Run() {
|
|
threadJobListState_t threadJobListState[MAX_JOBLISTS];
|
|
int numJobLists = 0;
|
|
int lastStalledJobList = -1;
|
|
|
|
while ( !IsTerminating() ) {
|
|
|
|
// fetch any new job lists and add them to the local list
|
|
if ( numJobLists < MAX_JOBLISTS && firstJobList < lastJobList ) {
|
|
threadJobListState[numJobLists].jobList = jobLists[firstJobList & ( MAX_JOBLISTS - 1 )].jobList;
|
|
threadJobListState[numJobLists].version = jobLists[firstJobList & ( MAX_JOBLISTS - 1 )].version;
|
|
threadJobListState[numJobLists].signalIndex = 0;
|
|
threadJobListState[numJobLists].lastJobIndex = 0;
|
|
threadJobListState[numJobLists].nextJobIndex = -1;
|
|
numJobLists++;
|
|
firstJobList++;
|
|
}
|
|
if ( numJobLists == 0 ) {
|
|
break;
|
|
}
|
|
|
|
int currentJobList = 0;
|
|
jobListPriority_t priority = JOBLIST_PRIORITY_NONE;
|
|
if ( lastStalledJobList < 0 ) {
|
|
// find the job list with the highest priority
|
|
for ( int i = 0; i < numJobLists; i++ ) {
|
|
if ( threadJobListState[i].jobList->GetPriority() > priority && !threadJobListState[i].jobList->WaitForOtherJobList() ) {
|
|
priority = threadJobListState[i].jobList->GetPriority();
|
|
currentJobList = i;
|
|
}
|
|
}
|
|
} else {
|
|
// try to hide the stall with a job from a list that has equal or higher priority
|
|
currentJobList = lastStalledJobList;
|
|
priority = threadJobListState[lastStalledJobList].jobList->GetPriority();
|
|
for ( int i = 0; i < numJobLists; i++ ) {
|
|
if ( i != lastStalledJobList && threadJobListState[i].jobList->GetPriority() >= priority && !threadJobListState[i].jobList->WaitForOtherJobList() ) {
|
|
priority = threadJobListState[i].jobList->GetPriority();
|
|
currentJobList = i;
|
|
}
|
|
}
|
|
}
|
|
|
|
// if the priority is high then try to run through the whole list to reduce the overhead
|
|
// otherwise run a single job and re-evaluate priorities for the next job
|
|
bool singleJob = ( priority == JOBLIST_PRIORITY_HIGH ) ? false : jobs_prioritize.GetBool();
|
|
|
|
// try running one or more jobs from the current job list
|
|
int result = threadJobListState[currentJobList].jobList->RunJobs( threadNum, threadJobListState[currentJobList], singleJob );
|
|
|
|
if ( ( result & idParallelJobList_Threads::RUN_DONE ) != 0 ) {
|
|
// done with this job list so remove it from the local list
|
|
for ( int i = currentJobList; i < numJobLists - 1; i++ ) {
|
|
threadJobListState[i] = threadJobListState[i + 1];
|
|
}
|
|
numJobLists--;
|
|
lastStalledJobList = -1;
|
|
} else if ( ( result & idParallelJobList_Threads::RUN_STALLED ) != 0 ) {
|
|
// yield when stalled on the same job list again without making any progress
|
|
if ( currentJobList == lastStalledJobList ) {
|
|
if ( ( result & idParallelJobList_Threads::RUN_PROGRESS ) == 0 ) {
|
|
Sys_Yield();
|
|
}
|
|
}
|
|
lastStalledJobList = currentJobList;
|
|
} else {
|
|
lastStalledJobList = -1;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
================================================================================================
|
|
|
|
idParallelJobManagerLocal
|
|
|
|
================================================================================================
|
|
*/
|
|
|
|
extern void Sys_CPUCount( int & logicalNum, int & coreNum, int & packageNum );
|
|
|
|
|
|
// WINDOWS LOGICAL PROCESSOR LIMITS:
|
|
//
|
|
// http://download.microsoft.com/download/5/7/7/577a5684-8a83-43ae-9272-ff260a9c20e2/Hyper-thread_Windows.doc
|
|
//
|
|
// Physical Logical (Cores + HT)
|
|
// Windows XP Home Edition 1 2
|
|
// Windows XP Professional 2 4
|
|
// Windows Server 2003, Standard Edition 4 8
|
|
// Windows Server 2003, Enterprise Edition 8 16
|
|
// Windows Server 2003, Datacenter Edition 32 32
|
|
//
|
|
// Windows Vista ? ?
|
|
//
|
|
// Windows 7 Starter 1 32/64
|
|
// Windows 7 Home Basic 1 32/64
|
|
// Windows 7 Professional 2 32/64
|
|
//
|
|
//
|
|
// Hyperthreading is not dead yet. Intel's Core i7 Processor is quad-core with HT for 8 logicals.
|
|
|
|
// DOOM3: We don't have that many jobs, so just set this fairly low so we don't spin up a ton of idle threads
|
|
#define MAX_JOB_THREADS 2
|
|
#define NUM_JOB_THREADS "2"
|
|
#define JOB_THREAD_CORES { CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY, \
|
|
CORE_ANY, CORE_ANY, CORE_ANY, CORE_ANY }
|
|
|
|
|
|
idCVar jobs_numThreads( "jobs_numThreads", NUM_JOB_THREADS, CVAR_INTEGER | CVAR_NOCHEAT, "number of threads used to crunch through jobs", 0, MAX_JOB_THREADS );
|
|
|
|
class idParallelJobManagerLocal : public idParallelJobManager {
|
|
public:
|
|
virtual ~idParallelJobManagerLocal() {}
|
|
|
|
virtual void Init();
|
|
virtual void Shutdown();
|
|
|
|
virtual idParallelJobList * AllocJobList( jobListId_t id, jobListPriority_t priority, unsigned int maxJobs, unsigned int maxSyncs, const idColor * color );
|
|
virtual void FreeJobList( idParallelJobList * jobList );
|
|
|
|
virtual int GetNumJobLists() const;
|
|
virtual int GetNumFreeJobLists() const;
|
|
virtual idParallelJobList * GetJobList( int index );
|
|
|
|
virtual int GetNumProcessingUnits();
|
|
|
|
virtual void WaitForAllJobLists();
|
|
|
|
void Submit( idParallelJobList_Threads * jobList, int parallelism );
|
|
|
|
private:
|
|
idJobThread threads[MAX_JOB_THREADS];
|
|
unsigned int maxThreads;
|
|
int numPhysicalCpuCores;
|
|
int numLogicalCpuCores;
|
|
int numCpuPackages;
|
|
idStaticList< idParallelJobList *, MAX_JOBLISTS > jobLists;
|
|
};
|
|
|
|
idParallelJobManagerLocal parallelJobManagerLocal;
|
|
idParallelJobManager * parallelJobManager = ¶llelJobManagerLocal;
|
|
|
|
/*
|
|
========================
|
|
SubmitJobList
|
|
========================
|
|
*/
|
|
void SubmitJobList( idParallelJobList_Threads * jobList, int parallelism ) {
|
|
parallelJobManagerLocal.Submit( jobList, parallelism );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::Init
|
|
========================
|
|
*/
|
|
void idParallelJobManagerLocal::Init() {
|
|
// on consoles this will have specific cores for the threads, but on PC they will all be CORE_ANY
|
|
core_t cores[] = JOB_THREAD_CORES;
|
|
assert( sizeof( cores ) / sizeof( cores[0] ) >= MAX_JOB_THREADS );
|
|
|
|
for ( int i = 0; i < MAX_JOB_THREADS; i++ ) {
|
|
threads[i].Start( cores[i], i );
|
|
}
|
|
maxThreads = jobs_numThreads.GetInteger();
|
|
|
|
Sys_CPUCount( numPhysicalCpuCores, numLogicalCpuCores, numCpuPackages );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::Shutdown
|
|
========================
|
|
*/
|
|
void idParallelJobManagerLocal::Shutdown() {
|
|
for ( int i = 0; i < MAX_JOB_THREADS; i++ ) {
|
|
threads[i].StopThread();
|
|
}
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::AllocJobList
|
|
========================
|
|
*/
|
|
idParallelJobList * idParallelJobManagerLocal::AllocJobList( jobListId_t id, jobListPriority_t priority, unsigned int maxJobs, unsigned int maxSyncs, const idColor * color ) {
|
|
for ( int i = 0; i < jobLists.Num(); i++ ) {
|
|
if ( jobLists[i]->GetId() == id ) {
|
|
// idStudio may cause job lists to be allocated multiple times
|
|
}
|
|
}
|
|
idParallelJobList * jobList = new (TAG_JOBLIST) idParallelJobList( id, priority, maxJobs, maxSyncs, color );
|
|
jobLists.Append( jobList );
|
|
return jobList;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::FreeJobList
|
|
========================
|
|
*/
|
|
void idParallelJobManagerLocal::FreeJobList( idParallelJobList * jobList ) {
|
|
if ( jobList == NULL ) {
|
|
return;
|
|
}
|
|
// wait for all job threads to finish because job list deletion is not thread safe
|
|
for ( unsigned int i = 0; i < maxThreads; i++ ) {
|
|
threads[i].WaitForThread();
|
|
}
|
|
int index = jobLists.FindIndex( jobList );
|
|
assert( index >= 0 && jobLists[index] == jobList );
|
|
jobLists[index]->Wait();
|
|
delete jobLists[index];
|
|
jobLists.RemoveIndexFast( index );
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::GetNumJobLists
|
|
========================
|
|
*/
|
|
int idParallelJobManagerLocal::GetNumJobLists() const {
|
|
return jobLists.Num();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::GetNumFreeJobLists
|
|
========================
|
|
*/
|
|
int idParallelJobManagerLocal::GetNumFreeJobLists() const {
|
|
return MAX_JOBLISTS - jobLists.Num();
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::GetJobList
|
|
========================
|
|
*/
|
|
idParallelJobList * idParallelJobManagerLocal::GetJobList( int index ) {
|
|
return jobLists[index];
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::GetNumProcessingUnits
|
|
========================
|
|
*/
|
|
int idParallelJobManagerLocal::GetNumProcessingUnits() {
|
|
return maxThreads;
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::WaitForAllJobLists
|
|
========================
|
|
*/
|
|
void idParallelJobManagerLocal::WaitForAllJobLists() {
|
|
// wait for all job lists to complete
|
|
for ( int i = 0; i < jobLists.Num(); i++ ) {
|
|
jobLists[i]->Wait();
|
|
}
|
|
}
|
|
|
|
/*
|
|
========================
|
|
idParallelJobManagerLocal::Submit
|
|
========================
|
|
*/
|
|
void idParallelJobManagerLocal::Submit( idParallelJobList_Threads * jobList, int parallelism ) {
|
|
if ( jobs_numThreads.IsModified() ) {
|
|
maxThreads = idMath::ClampInt( 0, MAX_JOB_THREADS, jobs_numThreads.GetInteger() );
|
|
jobs_numThreads.ClearModified();
|
|
}
|
|
|
|
// determine the number of threads to use
|
|
int numThreads = maxThreads;
|
|
if ( parallelism == JOBLIST_PARALLELISM_DEFAULT ) {
|
|
numThreads = maxThreads;
|
|
} else if ( parallelism == JOBLIST_PARALLELISM_MAX_CORES ) {
|
|
numThreads = numLogicalCpuCores;
|
|
} else if ( parallelism == JOBLIST_PARALLELISM_MAX_THREADS ) {
|
|
numThreads = MAX_JOB_THREADS;
|
|
} else if ( parallelism > MAX_JOB_THREADS ) {
|
|
numThreads = MAX_JOB_THREADS;
|
|
} else {
|
|
numThreads = parallelism;
|
|
}
|
|
|
|
if ( numThreads <= 0 ) {
|
|
threadJobListState_t state( jobList->GetVersion() );
|
|
jobList->RunJobs( 0, state, false );
|
|
return;
|
|
}
|
|
|
|
for ( int i = 0; i < numThreads; i++ ) {
|
|
threads[i].AddJobList( jobList );
|
|
threads[i].SignalWork();
|
|
}
|
|
} |