VMS/VMS_Implementations/VMS_impls/VMS__MC_shared

view VMS.h @ 177:3bd35fc83c61

move loopgraph recording to plugin (\! changed scheduler fn prototype \!)

author	Nina Engelhardt <nengel@mailbox.tu-berlin.de>
date	Wed, 04 Jan 2012 16:40:10 +0100
parents	981acd1db6af
children	7523ee70d66c

line source

1 /*

3 * Licensed under GNU General Public License version 2

4 *

5 * Author: seanhalle@yahoo.com

6 *

7 */

9 #ifndef _VMS_H

10 #define _VMS_H

11 #define _GNU_SOURCE

13 #include "VMS_primitive_data_types.h"

14 #include "Queue_impl/PrivateQueue.h"

15 #include "Histogram/Histogram.h"

16 #include "DynArray/DynArray.h"

17 #include "Hash_impl/PrivateHash.h"

18 #include "vmalloc.h"

19 #include "Counters/Counters.h"

20 #include "loop.h"

21 #include "ListOfArrays/ListOfArrays.h"

23 #include <pthread.h>

24 #include <sys/time.h>

27 //=============================== Debug ===================================

28 //

29 //When SEQUENTIAL is defined, VMS does sequential exe in the main thread

30 // It still does co-routines and all the mechanisms are the same, it just

31 // has only a single thread and animates VPs one at a time

32 //#define SEQUENTIAL

34 //#define USE_WORK_STEALING

36 //turns on the probe-instrumentation in the application -- when not

37 // defined, the calls to the probe functions turn into comments

38 //#define STATS__ENABLE_PROBES

39 //#define TURN_ON_DEBUG_PROBES

41 //These defines turn types of bug messages on and off

42 // be sure debug messages are un-commented (next block of defines)

43 #define dbgAppFlow FALSE /* Top level flow of application code -- general*/

44 #define dbgProbes FALSE /* for issues inside probes themselves*/

45 #define dbgB2BMaster FALSE /* in coreloop, back to back master VPs*/

46 #define dbgRqstHdlr FALSE /* in request handler code*/

47 #define dbgDependency TRUE /* in request handler code, print dependencies */

49 //Comment or un- the substitute half to turn on/off types of debug message

50 #define DEBUG( bool, msg) \

51 if( bool){ printf(msg); fflush(stdin);}

52 #define DEBUG1( bool, msg, param) \

53 if(bool){printf(msg, param); fflush(stdin);}

54 #define DEBUG2( bool, msg, p1, p2) \

55 if(bool) {printf(msg, p1, p2); fflush(stdin);}

57 #define ERROR(msg) printf(msg);

58 #define ERROR1(msg, param) printf(msg, param);

59 #define ERROR2(msg, p1, p2) printf(msg, p1, p2);

61 //=========================== STATS =======================

63 //when MEAS__TIME_STAMP_SUSP is defined, causes code to be inserted and

64 // compiled-in that saves the low part of the time stamp count just before

65 // suspending a processor and just after resuming that processor. It is

66 // saved into a field added to VirtProcr. Have to sanity-check for

67 // rollover of low portion into high portion.

68 //#define MEAS__TIME_STAMP_SUSP

69 //#define MEAS__TIME_MASTER

70 //#define MEAS__TIME_PLUGIN

71 //#define MEAS__TIME_MALLOC

72 //#define MEAS__TIME_MASTER_LOCK

73 //#define MEAS__NUM_TIMES_TO_RUN 100000

75 //For code that calculates normalization-offset between TSC counts of

76 // different cores.

77 //#define NUM_TSC_ROUND_TRIPS 10

79 #define MEAS__PERF_COUNTERS

80 #define OBSERVE_UCC

81 #define DETECT_LOOP_GRAPH

83 //========================= Hardware related Constants =====================

84 //This value is the number of hardware threads in the shared memory

85 // machine

86 #define NUM_CORES 2

88 // tradeoff amortizing master fixed overhead vs imbalance potential

89 // when work-stealing, can make bigger, at risk of losing cache affinity

90 #define NUM_SCHED_SLOTS 5

92 #define MIN_WORK_UNIT_CYCLES 20000

94 #define MASTERLOCK_RETRIES 10000

96 // stack size in virtual processors created

97 #define VIRT_PROCR_STACK_SIZE 0x8000 /* 32K */

99 // memory for VMS__malloc

100 #define MALLOC_ADDITIONAL_MEM_FROM_OS_SIZE 0x10000000 /* 256M */

101

102 #define CACHE_LINE 64

103 #define PAGE_SIZE 4096

104

105

106 //==============================

107

108 #define SUCCESS 0

109

110 #define writeVMSQ writePrivQ

111 #define readVMSQ readPrivQ

112 #define makeVMSQ makeVMSPrivQ

113 #define numInVMSQ numInPrivQ

114 #define VMSQueueStruc PrivQueueStruc

115

116

117

118 //===========================================================================

119 typedef unsigned long long TSCount;

120

121 typedef struct _SchedSlot SchedSlot;

122 typedef struct _VMSReqst VMSReqst;

123 typedef struct _VirtProcr VirtProcr;

124 typedef struct _IntervalProbe IntervalProbe;

125 typedef struct _GateStruc GateStruc;

126

127

128 typedef VirtProcr * (*SlaveScheduler) ( void *, int, int ); //semEnv, coreIdx

129 typedef void (*RequestHandler) ( VirtProcr *, void * ); //prWReqst, semEnv

130 typedef void (*VirtProcrFnPtr) ( void *, VirtProcr * ); //initData, animPr

131 typedef void VirtProcrFn ( void *, VirtProcr * ); //initData, animPr

132 typedef void (*ResumePrFnPtr) ( VirtProcr *, void * );

133

134

135 //============= Requests ===========

136 //

137

138 enum VMSReqstType //avoid starting enums at 0, for debug reasons

139 {

140 semantic = 1,

141 createReq,

142 dissipate,

143 VMSSemantic //goes with VMSSemReqst below

144 };

145

146 struct _VMSReqst

147 {

148 enum VMSReqstType reqType;//used for dissipate and in future for IO requests

149 void *semReqData;

150

151 VMSReqst *nextReqst;

152 };

153 //VMSReqst

154

155 enum VMSSemReqstType //These are equivalent to semantic requests, but for

156 { // VMS's services available directly to app, like OS

157 createProbe = 1, // and probe services -- like a VMS-wide built-in lang

158 openFile,

159 otherIO

160 };

161

162 typedef struct

163 { enum VMSSemReqstType reqType;

164 VirtProcr *requestingPr;

165 char *nameStr; //for create probe

166 }

167 VMSSemReq;

168

169

170 //==================== Core data structures ===================

171

172 struct _SchedSlot

173 {

174 int workIsDone;

175 int needsProcrAssigned;

176 VirtProcr *procrAssignedToSlot;

177 };

178 //SchedSlot

179

180 /*WARNING: re-arranging this data structure could cause VP switching

181 * assembly code to fail -- hard-codes offsets of fields

182 */

183 struct _VirtProcr

184 { int procrID; //for debugging -- count up each time create

185 int coreAnimatedBy;

186 void *startOfStack;

187 void *stackPtr;

188 void *framePtr;

189 void *nextInstrPt;

190

191 void *coreLoopStartPt; //allows proto-runtime to be linked later

192 void *coreLoopFramePtr; //restore before jmp back to core loop

193 void *coreLoopStackPtr; //restore before jmp back to core loop

194

195 void *initialData;

196

197 SchedSlot *schedSlot;

198 VMSReqst *requests;

199

200 void *semanticData; //this livesUSE_GNU here for the life of VP

201 void *dataRetFromReq;//values returned from plugin to VP go here

202

203 //=========== MEASUREMENT STUFF ==========

204 #ifdef MEAS__TIME_STAMP_SUSP

205 unsigned int preSuspTSCLow;

206 unsigned int postSuspTSCLow;

207 #endif

208 #ifdef MEAS__TIME_MASTER /* in VirtProcr because multiple masterVPs*/

209 unsigned int startMasterTSCLow;USE_GNU

210 unsigned int endMasterTSCLow;

211 #endif

212 #ifdef MEAS__PERF_COUNTERS //

213 CounterRecord** counter_history;

214 PrivDynArrayInfo* counter_history_array_info;

215 #endif

216 //========================================

217

218 float64 createPtInSecs; //have space but don't use on some configs

219 int numTimesScheduled; //defines units together w/ procrID

220 };

221 //VirtProcr

222

223

224 /*WARNING: re-arranging this data structure could cause VP-switching

225 * assembly code to fail -- hard-codes offsets of fields

226 * (because -O3 messes with things otherwise)

227 */

228 typedef struct

229 {

230 SlaveScheduler slaveScheduler;

231 RequestHandler requestHandler;

232

233 SchedSlot ***allSchedSlots;

234 VMSQueueStruc **readyToAnimateQs;

235 VirtProcr **masterVPs;

236

237 void *semanticEnv;

238 void *OSEventStruc; //for future, when add I/O to BLIS

239 MallocProlog *freeListHead;

240 int32 amtOfOutstandingMem; //total currently allocated

241

242 void *coreLoopReturnPt;//addr to jump to to re-enter coreLoop

243

244 int32 setupComplete;

245 volatile int32 masterLock;

246

247 int32 numMasterInARow[NUM_CORES];//detect back-to-back masterVP

248 GateStruc *workStealingGates[ NUM_CORES ]; //concurrent work-steal

249 int32 workStealingLock;

250

251 int32 numProcrsCreated; //gives ordering to processor creation

252

253 //=========== MEASUREMENT STUFF =============

254 IntervalProbe **intervalProbes;

255 PrivDynArrayInfo *dynIntervalProbesInfo;

256 HashTable *probeNameHashTbl;

257 int32 masterCreateProbeID;

258 float64 createPtInSecs;

259 Histogram **measHists;

260 PrivDynArrayInfo *measHistsInfo;

261 #ifdef MEAS__TIME_PLUGIN

262 Histogram *reqHdlrLowTimeHist;

263 Histogram *reqHdlrHighTimeHist;

264 #endif

265 #ifdef MEAS__TIME_MALLOC

266 Histogram *mallocTimeHist;

267 Histogram *freeTimeHist;

268 #endif

269 #ifdef MEAS__TIME_MASTER_LOCK

270 Histogram *masterLockLowTimeHist;

271 Histogram *masterLockHighTimeHist;

272 #endif

273 #ifdef MEAS__PERF_COUNTERS

274 int cycles_counter_fd[NUM_CORES];

275 int instrs_counter_fd[NUM_CORES];

276 FILE* counteroutput;

277 #endif

278 #ifdef MEAS__PERF_COUNTERS //

279 CounterRecord** counter_history;

280 PrivDynArrayInfo* counter_history_array_info;

281 #endif

282 #ifdef DETECT_LOOP_GRAPH

283

284 #endif

285 }

286 MasterEnv;

287

288 //========================= Extra Stuff Data Strucs =======================

289 typedef struct

290 {

291

292 }

293 VMSExcp;

294

295 struct _GateStruc

296 {

297 int32 gateClosed;

298 int32 preGateProgress;

299 int32 waitProgress;

300 int32 exitProgress;

301 };

302 //GateStruc

303

304 //======================= OS Thread related ===============================

305

306 void * coreLoop( void *paramsIn ); //standard PThreads fn prototype

307 void * coreLoop_Seq( void *paramsIn ); //standard PThreads fn prototype

308 void masterLoop( void *initData, VirtProcr *masterPr );

309

310

311 typedef struct

312 {

313 void *endThdPt;

314 unsigned int coreNum;

315 }

316 ThdParams;

317

318 pthread_t coreLoopThdHandles[ NUM_CORES ]; //pthread's virt-procr state

319 ThdParams *coreLoopThdParams [ NUM_CORES ];

320 pthread_mutex_t suspendLock;

321 pthread_cond_t suspend_cond;

322

323

324

325 //===================== Global Vars ===================

326

327 volatile MasterEnv *_VMSMasterEnv;

328

329

330

331

332 //=========================== Function Prototypes =========================

333

334

335 //========== Setup and shutdown ==========

336 void

337 VMS__init();

338

339 void

340 VMS__init_Seq();

341

342 void

343 VMS__start_the_work_then_wait_until_done();

344

345 void

346 VMS__start_the_work_then_wait_until_done_Seq();

347

348 inline VirtProcr *

349 VMS__create_procr( VirtProcrFnPtr fnPtr, void *initialData );

350

351 void

352 VMS__dissipate_procr( VirtProcr *procrToDissipate );

353

354 //Use this to create processor inside entry point & other places outside

355 // the VMS system boundary (IE, not run in slave nor Master)

356 VirtProcr *

357 VMS_ext__create_procr( VirtProcrFnPtr fnPtr, void *initialData );

358

359 void

360 VMS_ext__dissipate_procr( VirtProcr *procrToDissipate );

361

362 void

363 VMS__throw_exception( char *msgStr, VirtProcr *reqstPr, VMSExcp *excpData );

364

365 void

366 VMS__shutdown();

367

368 void

369 VMS__cleanup_at_end_of_shutdown();

370

371 void *

372 VMS__give_sem_env_for( VirtProcr *animPr );

373

374

375 //============== Request Related ===============

376

377 void

378 VMS__suspend_procr( VirtProcr *callingPr );

379

380 inline void

381 VMS__add_sem_request_in_mallocd_VMSReqst( void *semReqData, VirtProcr *callingPr );

382

383 /*inline*/ __attribute__ ((noinline)) void

384 VMS__send_sem_request( void *semReqData, VirtProcr *callingPr );

385

386 void

387 VMS__send_create_procr_req( void *semReqData, VirtProcr *reqstingPr );

388

389 void /*inline**/ __attribute__ ((noinline))

390 VMS__send_dissipate_req( VirtProcr *prToDissipate );

391

392 /*inline**/ __attribute__ ((noinline)) void

393 VMS__send_VMSSem_request( void *semReqData, VirtProcr *callingPr );

394

395 VMSReqst *

396 VMS__take_next_request_out_of( VirtProcr *procrWithReq );

397

398 inline void *

399 VMS__take_sem_reqst_from( VMSReqst *req );

400

401 void inline

402 VMS__handle_VMSSemReq( VMSReqst *req, VirtProcr *requestingPr, void *semEnv,

403 ResumePrFnPtr resumePrFnPtr );

404

405 //======================== STATS ======================

406

407 //===== RDTSC wrapper ===== //Also runs with x86_64 code

408

409 #define saveTimeStampCountInto(low, high) \

410 asm volatile("RDTSC; \

411 movl %%eax, %0; \

412 movl %%edx, %1;" \

413 /* outputs */ : "=m" (low), "=m" (high)\

414 /* inputs */ : \

415 /* clobber */ : "%eax", "%edx" \

416 );

417

418 #define saveLowTimeStampCountInto(low) \

419 asm volatile("RDTSC; \

420 movl %%eax, %0;" \

421 /* outputs */ : "=m" (low) \

422 /* inputs */ : \

423 /* clobber */ : "%eax", "%edx" \

424 );

425

426 //====================

427 #define makeAMeasHist( idx, name, numBins, startVal, binWidth ) \

428 makeHighestDynArrayIndexBeAtLeast( _VMSMasterEnv->measHistsInfo, idx ); \

429 _VMSMasterEnv->measHists[idx] = \

430 makeFixedBinHist( numBins, startVal, binWidth, name );

431

432 #define saveCyclesAndInstrs(core,cycles,instrs) do{ \

433 int cycles_fd = _VMSMasterEnv->cycles_counter_fd[core]; \

434 int instrs_fd = _VMSMasterEnv->instrs_counter_fd[core]; \

435 int nread; \

436 \

437 nread = read(cycles_fd,&(cycles),sizeof(cycles)); \

438 if(nread<0){ \

439 perror("Error reading cycles counter"); \

440 cycles = 0; \

441 } \

442 \

443 nread = read(instrs_fd,&(instrs),sizeof(instrs)); \

444 if(nread<0){ \

445 perror("Error reading cycles counter"); \

446 instrs = 0; \

447 } \

448 } while (0)

449

450 #define getReturnAddressBeforeLibraryCall(vp_ptr, res_ptr) do{ \

451 void* frame_ptr0 = vp_ptr->framePtr; \

452 void* frame_ptr1 = *((void**)frame_ptr0); \

453 void* frame_ptr2 = *((void**)frame_ptr1); \

454 void* frame_ptr3 = *((void**)frame_ptr2); \

455 void* ret_addr = *((void**)frame_ptr3 + 1); \

456 *res_ptr = ret_addr; \

457 } while (0)

458

459 #define MEAS__SUB_CREATE /*turn on/off subtraction of create from plugin*/

460

461 #ifdef VPTHREAD

462

463 //VPThread

464 #define createHistIdx 1

465 #define mutexLockHistIdx 2

466 #define mutexUnlockHistIdx 3

467 #define condWaitHistIdx 4

468 #define condSignalHistIdx 5

469

470 #define MakeTheMeasHists() \

471 _VMSMasterEnv->measHistsInfo = \

472 makePrivDynArrayOfSize( (void***)&(_VMSMasterEnv->measHists), 200); \

473 makeAMeasHist( createHistIdx, "create", 250, 0, 100 ) \

474 makeAMeasHist( mutexLockHistIdx, "mutex_lock", 50, 0, 100 ) \

475 makeAMeasHist( mutexUnlockHistIdx, "mutex_unlock", 50, 0, 100 ) \

476 makeAMeasHist( condWaitHistIdx, "cond_wait", 50, 0, 100 ) \

477 makeAMeasHist( condSignalHistIdx, "cond_signal", 50, 0, 100 )

478

479 #endif

480

481

482 #ifdef VCILK

483

484 //VCilk

485 #define spawnHistIdx 1

486 #define syncHistIdx 2

487

488 #define MakeTheMeasHists() \

489 _VMSMasterEnv->measHistsInfo = \

490 makePrivDynArrayOfSize( (void***)&(_VMSMasterEnv->measHists), 200); \

491 makeAMeasHist( spawnHistIdx, "Spawn", 50, 0, 200 ) \

492 makeAMeasHist( syncHistIdx, "Sync", 50, 0, 200 )

493

494

495 #endif

496

497 #ifdef SSR

498

499 //SSR

500 #define SendFromToHistIdx 1

501 #define SendOfTypeHistIdx 2

502 #define ReceiveFromToHistIdx 3

503 #define ReceiveOfTypeHistIdx 4

504

505 #define MakeTheMeasHists() \

506 _VMSMasterEnv->measHistsInfo = \

507 makePrivDynArrayOfSize( (void***)&(_VMSMasterEnv->measHists), 200); \

508 makeAMeasHist( SendFromToHistIdx, "SendFromTo", 50, 0, 100 ) \

509 makeAMeasHist( SendOfTypeHistIdx, "SendOfType", 50, 0, 100 ) \

510 makeAMeasHist( ReceiveFromToHistIdx,"ReceiveFromTo", 50, 0, 100 ) \

511 makeAMeasHist( ReceiveOfTypeHistIdx,"ReceiveOfType", 50, 0, 100 )

512

513 #endif

514

515 //===========================================================================

516 //VPThread

517

518

519 #define Meas_startCreate \

520 int32 startStamp, endStamp; \

521 saveLowTimeStampCountInto( startStamp ); \

522

523 #define Meas_endCreate \

524 saveLowTimeStampCountInto( endStamp ); \

525 addIntervalToHist( startStamp, endStamp, \

526 _VMSMasterEnv->measHists[ createHistIdx ] );

527

528 #define Meas_startMutexLock \

529 int32 startStamp, endStamp; \

530 saveLowTimeStampCountInto( startStamp ); \

531

532 #define Meas_endMutexLock \

533 saveLowTimeStampCountInto( endStamp ); \

534 addIntervalToHist( startStamp, endStamp, \

535 _VMSMasterEnv->measHists[ mutexLockHistIdx ] );

536

537 #define Meas_startMutexUnlock \

538 int32 startStamp, endStamp; \

539 saveLowTimeStampCountInto( startStamp ); \

540

541 #define Meas_endMutexUnlock \

542 saveLowTimeStampCountInto( endStamp ); \

543 addIntervalToHist( startStamp, endStamp, \

544 _VMSMasterEnv->measHists[ mutexUnlockHistIdx ] );

545

546 #define Meas_startCondWait \

547 int32 startStamp, endStamp; \

548 saveLowTimeStampCountInto( startStamp ); \

549

550 #define Meas_endCondWait \

551 saveLowTimeStampCountInto( endStamp ); \

552 addIntervalToHist( startStamp, endStamp, \

553 _VMSMasterEnv->measHists[ condWaitHistIdx ] );

554

555 #define Meas_startCondSignal \

556 int32 startStamp, endStamp; \

557 saveLowTimeStampCountInto( startStamp ); \

558

559 #define Meas_endCondSignal \

560 saveLowTimeStampCountInto( endStamp ); \

561 addIntervalToHist( startStamp, endStamp, \

562 _VMSMasterEnv->measHists[ condSignalHistIdx ] );

563

564 //===========================================================================

565 // VCilk

566 #define Meas_startSpawn \

567 int32 startStamp, endStamp; \

568 saveLowTimeStampCountInto( startStamp ); \

569

570 #define Meas_endSpawn \

571 saveLowTimeStampCountInto( endStamp ); \

572 addIntervalToHist( startStamp, endStamp, \

573 _VMSMasterEnv->measHists[ spawnHistIdx ] );

574

575 #define Meas_startSync \

576 int32 startStamp, endStamp; \

577 saveLowTimeStampCountInto( startStamp ); \

578

579 #define Meas_endSync \

580 saveLowTimeStampCountInto( endStamp ); \

581 addIntervalToHist( startStamp, endStamp, \

582 _VMSMasterEnv->measHists[ syncHistIdx ] );

583

584 //===========================================================================

585 // SSR

586 #define Meas_startSendFromTo \

587 int32 startStamp, endStamp; \

588 saveLowTimeStampCountInto( startStamp ); \

589

590 #define Meas_endSendFromTo \

591 saveLowTimeStampCountInto( endStamp ); \

592 addIntervalToHist( startStamp, endStamp, \

593 _VMSMasterEnv->measHists[ SendFromToHistIdx ] );

594

595 #define Meas_startSendOfType \

596 int32 startStamp, endStamp; \

597 saveLowTimeStampCountInto( startStamp ); \

598

599 #define Meas_endSendOfType \

600 saveLowTimeStampCountInto( endStamp ); \

601 addIntervalToHist( startStamp, endStamp, \

602 _VMSMasterEnv->measHists[ SendOfTypeHistIdx ] );

603

604 #define Meas_startReceiveFromTo \

605 int32 startStamp, endStamp; \

606 saveLowTimeStampCountInto( startStamp ); \

607

608 #define Meas_endReceiveFromTo \

609 saveLowTimeStampCountInto( endStamp ); \

610 addIntervalToHist( startStamp, endStamp, \

611 _VMSMasterEnv->measHists[ ReceiveFromToHistIdx ] );

612

613 #define Meas_startReceiveOfType \

614 int32 startStamp, endStamp; \

615 saveLowTimeStampCountInto( startStamp ); \

616

617 #define Meas_endReceiveOfType \

618 saveLowTimeStampCountInto( endStamp ); \

619 addIntervalToHist( startStamp, endStamp, \

620 _VMSMasterEnv->measHists[ReceiveOfTypeHistIdx ] );

621

622 //=====

623

624 #include "ProcrContext.h"

625 #include "probes.h"

626 #include "vutilities.h"

627

628 #endif /* _VMS_H */

629

Mercurial > cgi-bin > hgwebdir.cgi > VMS > VMS_Implementations > VMS_impls > VMS__MC_shared_impl

view VMS.h @ 177:3bd35fc83c61