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Middle of fixing for -O3.. works -O0 still -- hard-code field offsets in assbly
author Me
date Fri, 12 Nov 2010 07:36:01 -0800
parents 7b799a46cc87
children a6c442d52590 5cb919ac890f
rev   line source
Me@42 1 /*
Me@42 2 * Copyright 2009 OpenSourceStewardshipFoundation.org
Me@42 3 * Licensed under GNU General Public License version 2
Me@42 4 *
Me@42 5 * Author: seanhalle@yahoo.com
Me@42 6 *
Me@42 7 */
Me@42 8
Me@42 9 #ifndef _VMS_H
Me@42 10 #define _VMS_H
Me@42 11 #define __USE_GNU
Me@42 12
Me@42 13 #include "VMS_primitive_data_types.h"
Me@55 14 #include "Queue_impl/PrivateQueue.h"
Me@42 15 #include "Histogram/Histogram.h"
Me@50 16 #include "DynArray/DynArray.h"
Me@50 17 #include "Hash_impl/PrivateHash.h"
Me@50 18 #include "vmalloc.h"
Me@50 19
Me@42 20 #include <pthread.h>
Me@50 21 #include <sys/time.h>
Me@42 22
Me@50 23
Me@50 24 //=============================== Debug ===================================
Me@55 25 //
Me@45 26 //When SEQUENTIAL is defined, VMS does sequential exe in the main thread
Me@42 27 // It still does co-routines and all the mechanisms are the same, it just
Me@42 28 // has only a single thread and animates VPs one at a time
Me@45 29 //#define SEQUENTIAL
Me@42 30
Me@55 31 //#define USE_WORK_STEALING
Me@55 32
Me@52 33 //turns on the probe-instrumentation in the application -- when not
Me@52 34 // defined, the calls to the probe functions turn into comments
Me@52 35 #define STATS__ENABLE_PROBES
Me@60 36 //#define TURN_ON_DEBUG_PROBES
Me@52 37
Me@55 38 //These defines turn types of bug messages on and off
Me@55 39 // be sure debug messages are un-commented (next block of defines)
Me@60 40 #define dbgProbes FALSE /* for issues inside probes themselves*/
Me@60 41 #define dbgAppFlow FALSE /* Top level flow of application code -- general*/
Me@60 42 #define dbgB2BMaster FALSE /* in coreloop, back to back master VPs*/
Me@60 43 #define dbgRqstHdlr FALSE /* in request handler code*/
Me@52 44
Me@55 45 //Comment or un- the substitute half to turn on/off types of debug message
Me@55 46 #define DEBUG( bool, msg) \
Me@60 47 // if( bool){ printf(msg); fflush(stdin);}
Me@55 48 #define DEBUG1( bool, msg, param) \
Me@60 49 // if(bool){printf(msg, param); fflush(stdin);}
Me@55 50 #define DEBUG2( bool, msg, p1, p2) \
Me@60 51 // if(bool) {printf(msg, p1, p2); fflush(stdin);}
Me@45 52
Me@55 53 #define ERROR(msg) printf(msg); fflush(stdin);
Me@55 54 #define ERROR1(msg, param) printf(msg, param); fflush(stdin);
Me@55 55 #define ERROR2(msg, p1, p2) printf(msg, p1, p2); fflush(stdin);
Me@50 56
Me@50 57 //=========================== STATS =======================
Me@50 58
Me@45 59 //when MEAS__TIME_STAMP_SUSP is defined, causes code to be inserted and
Me@42 60 // compiled-in that saves the low part of the time stamp count just before
Me@42 61 // suspending a processor and just after resuming that processor. It is
Me@42 62 // saved into a field added to VirtProcr. Have to sanity-check for
Me@42 63 // rollover of low portion into high portion.
Me@42 64 #define MEAS__TIME_STAMP_SUSP
Me@42 65 #define MEAS__TIME_MASTER
Me@42 66 #define MEAS__NUM_TIMES_TO_RUN 100000
Me@42 67
Me@55 68 //For code that calculates normalization-offset between TSC counts of
Me@55 69 // different cores.
Me@45 70 #define NUM_TSC_ROUND_TRIPS 10
Me@45 71
Me@50 72
Me@50 73 //========================= Hardware related Constants =====================
Me@42 74 //This value is the number of hardware threads in the shared memory
Me@42 75 // machine
Me@42 76 #define NUM_CORES 4
Me@42 77
Me@55 78 // tradeoff amortizing master fixed overhead vs imbalance potential
Me@55 79 // when work-stealing, can make bigger, at risk of losing cache affinity
Me@55 80 #define NUM_SCHED_SLOTS 5
Me@42 81
Me@45 82 #define MIN_WORK_UNIT_CYCLES 20000
Me@45 83
Me@53 84 #define MASTERLOCK_RETRIES 10000
Me@42 85
Me@54 86 // stack size in virtual processors created
Me@54 87 #define VIRT_PROCR_STACK_SIZE 0x4000 /* 16K */
Me@42 88
Me@54 89 // memory for VMS__malloc
Me@54 90 #define MALLOC_ADDITIONAL_MEM_FROM_OS_SIZE 0x10000000 /* 256M */
Me@42 91
Me@50 92
Me@50 93 //==============================
Me@42 94
Me@42 95 #define SUCCESS 0
Me@42 96
Me@55 97 #define writeVMSQ writePrivQ
Me@55 98 #define readVMSQ readPrivQ
Me@55 99 #define makeVMSQ makePrivQ
Me@55 100 #define numInVMSQ numInPrivQ
Me@55 101 #define VMSQueueStruc PrivQueueStruc
Me@42 102
Me@42 103
Me@50 104
Me@50 105 //===========================================================================
Me@50 106 typedef unsigned long long TSCount;
Me@50 107
Me@50 108 typedef struct _SchedSlot SchedSlot;
Me@50 109 typedef struct _VMSReqst VMSReqst;
Me@50 110 typedef struct _VirtProcr VirtProcr;
Me@50 111 typedef struct _IntervalProbe IntervalProbe;
Me@55 112 typedef struct _GateStruc GateStruc;
Me@55 113
Me@42 114
Me@42 115 typedef VirtProcr * (*SlaveScheduler) ( void *, int ); //semEnv, coreIdx
Me@42 116 typedef void (*RequestHandler) ( VirtProcr *, void * ); //prWReqst, semEnv
Me@42 117 typedef void (*VirtProcrFnPtr) ( void *, VirtProcr * ); //initData, animPr
Me@42 118 typedef void VirtProcrFn ( void *, VirtProcr * ); //initData, animPr
Me@50 119 typedef void (*ResumePrFnPtr) ( VirtProcr *, void * );
Me@50 120
Me@50 121
Me@50 122 //============= Requests ===========
Me@50 123 //
Me@50 124
Me@50 125 enum VMSReqstType //avoid starting enums at 0, for debug reasons
Me@50 126 {
Me@50 127 semantic = 1,
Me@50 128 createReq,
Me@50 129 dissipate,
Me@50 130 VMSSemantic //goes with VMSSemReqst below
Me@50 131 };
Me@50 132
Me@50 133 struct _VMSReqst
Me@50 134 {
Me@50 135 enum VMSReqstType reqType;//used for dissipate and in future for IO requests
Me@50 136 void *semReqData;
Me@50 137
Me@50 138 VMSReqst *nextReqst;
Me@50 139 };
Me@50 140 //VMSReqst
Me@50 141
Me@50 142 enum VMSSemReqstType //These are equivalent to semantic requests, but for
Me@50 143 { // VMS's services available directly to app, like OS
Me@50 144 createProbe = 1, // and probe services -- like a VMS-wide built-in lang
Me@50 145 openFile,
Me@50 146 otherIO
Me@50 147 };
Me@42 148
Me@42 149 typedef struct
Me@50 150 { enum VMSSemReqstType reqType;
Me@50 151 VirtProcr *requestingPr;
Me@50 152 char *nameStr; //for create probe
Me@42 153 }
Me@50 154 VMSSemReq;
Me@42 155
Me@42 156
Me@50 157 //==================== Core data structures ===================
Me@50 158
Me@42 159 struct _SchedSlot
Me@42 160 {
Me@42 161 int workIsDone;
Me@42 162 int needsProcrAssigned;
Me@42 163 VirtProcr *procrAssignedToSlot;
Me@42 164 };
Me@42 165 //SchedSlot
Me@42 166
Me@62 167 /*WARNING: re-arranging this data structure could cause VP switching
Me@62 168 * assembly code to fail -- hard-codes offsets of fields
Me@62 169 */
Me@42 170 struct _VirtProcr
Me@42 171 { int procrID; //for debugging -- count up each time create
Me@42 172 int coreAnimatedBy;
Me@42 173 void *startOfStack;
Me@42 174 void *stackPtr;
Me@42 175 void *framePtr;
Me@42 176 void *nextInstrPt;
Me@42 177
Me@42 178 void *coreLoopStartPt; //allows proto-runtime to be linked later
Me@42 179 void *coreLoopFramePtr; //restore before jmp back to core loop
Me@42 180 void *coreLoopStackPtr; //restore before jmp back to core loop
Me@42 181
Me@42 182 void *initialData;
Me@42 183
Me@42 184 SchedSlot *schedSlot;
Me@42 185 VMSReqst *requests;
Me@42 186
Me@50 187 void *semanticData; //this lives here for the life of VP
Me@53 188 void *dataRetFromReq;//values returned from plugin to VP go here
Me@42 189
Me@50 190 //=========== MEASUREMENT STUFF ==========
Me@42 191 #ifdef MEAS__TIME_STAMP_SUSP
Me@42 192 unsigned int preSuspTSCLow;
Me@42 193 unsigned int postSuspTSCLow;
Me@42 194 #endif
Me@42 195 #ifdef MEAS__TIME_MASTER
Me@42 196 unsigned int startMasterTSCLow;
Me@42 197 unsigned int endMasterTSCLow;
Me@42 198 #endif
Me@50 199
Me@50 200 float64 createPtInSecs; //have space but don't use on some configs
Me@42 201 };
Me@42 202 //VirtProcr
Me@42 203
Me@42 204
Me@62 205 /*WARNING: re-arranging this data structure could cause VP-switching
Me@62 206 * assembly code to fail -- hard-codes offsets of fields
Me@62 207 * (because -O3 messes with things otherwise)
Me@62 208 */
Me@42 209 typedef struct
Me@42 210 {
Me@42 211 SlaveScheduler slaveScheduler;
Me@42 212 RequestHandler requestHandler;
Me@42 213
Me@42 214 SchedSlot ***allSchedSlots;
Me@55 215 VMSQueueStruc **readyToAnimateQs;
Me@42 216 VirtProcr **masterVPs;
Me@42 217
Me@42 218 void *semanticEnv;
Me@42 219 void *OSEventStruc; //for future, when add I/O to BLIS
Me@50 220 MallocProlog *freeListHead;
Me@50 221 int32 amtOfOutstandingMem; //total currently allocated
Me@42 222
Me@42 223 void *coreLoopStartPt;//addr to jump to to re-enter coreLoop
Me@42 224 void *coreLoopEndPt; //addr to jump to to shut down a coreLoop
Me@42 225
Me@50 226 int32 setupComplete;
Me@50 227 int32 masterLock;
Me@42 228
Me@50 229 int32 numMasterInARow[NUM_CORES];//detect back-to-back masterVP
Me@59 230 GateStruc *workStealingGates[ NUM_CORES ]; //concurrent work-steal
Me@55 231 int32 workStealingLock;
Me@55 232
Me@50 233 int32 numProcrsCreated; //gives ordering to processor creation
Me@50 234
Me@50 235 //=========== MEASUREMENT STUFF =============
Me@50 236 IntervalProbe **intervalProbes;
Me@53 237 PrivDynArrayInfo *dynIntervalProbesInfo;
Me@50 238 HashTable *probeNameHashTbl;
Me@50 239 int32 masterCreateProbeID;
Me@50 240 float64 createPtInSecs;
Me@42 241 }
Me@42 242 MasterEnv;
Me@42 243
Me@55 244 //========================= Extra Stuff Data Strucs =======================
Me@54 245 typedef struct
Me@54 246 {
Me@42 247
Me@54 248 }
Me@54 249 VMSExcp;
Me@50 250
Me@55 251 struct _GateStruc
Me@55 252 {
Me@55 253 int32 gateClosed;
Me@55 254 int32 preGateProgress;
Me@55 255 int32 waitProgress;
Me@55 256 int32 exitProgress;
Me@55 257 };
Me@55 258 //GateStruc
Me@50 259
Me@50 260 //======================= OS Thread related ===============================
Me@42 261
Me@42 262 void * coreLoop( void *paramsIn ); //standard PThreads fn prototype
Me@42 263 void * coreLoop_Seq( void *paramsIn ); //standard PThreads fn prototype
Me@42 264 void masterLoop( void *initData, VirtProcr *masterPr );
Me@42 265
Me@42 266
Me@50 267 typedef struct
Me@50 268 {
Me@50 269 void *endThdPt;
Me@50 270 unsigned int coreNum;
Me@50 271 }
Me@50 272 ThdParams;
Me@42 273
Me@42 274 pthread_t coreLoopThdHandles[ NUM_CORES ]; //pthread's virt-procr state
Me@42 275 ThdParams *coreLoopThdParams [ NUM_CORES ];
Me@42 276 pthread_mutex_t suspendLock;
Me@42 277 pthread_cond_t suspend_cond;
Me@42 278
Me@50 279
Me@50 280
Me@50 281 //===================== Global Vars ===================
Me@50 282
Me@42 283 volatile MasterEnv *_VMSMasterEnv;
Me@42 284
Me@50 285
Me@50 286
Me@50 287
Me@50 288 //=========================== Function Prototypes =========================
Me@50 289
Me@53 290
Me@53 291 //========== Setup and shutdown ==========
Me@42 292 void
Me@42 293 VMS__init();
Me@42 294
Me@42 295 void
Me@42 296 VMS__init_Seq();
Me@42 297
Me@42 298 void
Me@42 299 VMS__start_the_work_then_wait_until_done();
Me@42 300
Me@42 301 void
Me@42 302 VMS__start_the_work_then_wait_until_done_Seq();
Me@42 303
Me@42 304 VirtProcr *
Me@42 305 VMS__create_procr( VirtProcrFnPtr fnPtr, void *initialData );
Me@42 306
Me@53 307 void
Me@53 308 VMS__dissipate_procr( VirtProcr *procrToDissipate );
Me@53 309
Me@50 310 //Use this to create processor inside entry point & other places outside
Me@50 311 // the VMS system boundary (IE, not run in slave nor Master)
Me@50 312 VirtProcr *
Me@50 313 VMS_ext__create_procr( VirtProcrFnPtr fnPtr, void *initialData );
Me@50 314
Me@53 315 void
Me@53 316 VMS_ext__dissipate_procr( VirtProcr *procrToDissipate );
Me@42 317
Me@50 318 void
Me@54 319 VMS__throw_exception( char *msgStr, VirtProcr *reqstPr, VMSExcp *excpData );
Me@54 320
Me@54 321 void
Me@53 322 VMS__shutdown();
Me@53 323
Me@53 324 void
Me@53 325 VMS__cleanup_at_end_of_shutdown();
Me@50 326
Me@50 327
Me@50 328 //============== Request Related ===============
Me@50 329
Me@50 330 void
Me@50 331 VMS__suspend_procr( VirtProcr *callingPr );
Me@50 332
Me@42 333 inline void
Me@53 334 VMS__add_sem_request_in_mallocd_VMSReqst( void *semReqData, VirtProcr *callingPr );
Me@53 335
Me@53 336 inline void
Me@53 337 VMS__send_sem_request( void *semReqData, VirtProcr *callingPr );
Me@42 338
Me@42 339 void
Me@50 340 VMS__send_create_procr_req( void *semReqData, VirtProcr *reqstingPr );
Me@42 341
Me@53 342 void inline
Me@53 343 VMS__send_dissipate_req( VirtProcr *prToDissipate );
Me@53 344
Me@52 345 inline void
Me@52 346 VMS__send_VMSSem_request( void *semReqData, VirtProcr *callingPr );
Me@52 347
Me@42 348 VMSReqst *
Me@50 349 VMS__take_next_request_out_of( VirtProcr *procrWithReq );
Me@42 350
Me@42 351 inline void *
Me@42 352 VMS__take_sem_reqst_from( VMSReqst *req );
Me@42 353
Me@53 354 //======================== STATS ======================
Me@42 355
Me@53 356 //===== RDTSC wrapper =====
Me@42 357
Me@42 358 #define saveTimeStampCountInto(low, high) \
Me@42 359 asm volatile("RDTSC; \
Me@42 360 movl %%eax, %0; \
Me@42 361 movl %%edx, %1;" \
Me@42 362 /* outputs */ : "=m" (low), "=m" (high)\
Me@42 363 /* inputs */ : \
Me@42 364 /* clobber */ : "%eax", "%edx" \
Me@42 365 );
Me@42 366
Me@42 367 #define saveLowTimeStampCountInto(low) \
Me@42 368 asm volatile("RDTSC; \
Me@42 369 movl %%eax, %0;" \
Me@42 370 /* outputs */ : "=m" (low) \
Me@42 371 /* inputs */ : \
Me@42 372 /* clobber */ : "%eax", "%edx" \
Me@42 373 );
Me@53 374 //=====
Me@42 375
Me@55 376 #include "SwitchAnimators.h"
Me@50 377 #include "probes.h"
Me@42 378
Me@42 379 #endif /* _VMS_H */
Me@42 380