X-Git-Url: https://pd.if.org/git/?a=blobdiff_plain;f=threads2h.c;h=1b5191420c7c0aa3b0aeb171f4e0c64915c05b5f;hb=d0d119d25d6be90d70146d863798c93fb07b115a;hp=4a28044811ef815c490558f5cf66af89d13c29aa;hpb=0756819e460acb958eeb073f4d5ca9ddf66ec6c7;p=btree diff --git a/threads2h.c b/threads2h.c index 4a28044..1b51914 100644 --- a/threads2h.c +++ b/threads2h.c @@ -93,11 +93,11 @@ typedef enum{ // share is count of read accessors // grant write lock when share == 0 -typedef struct { - volatile unsigned char mutex; - volatile unsigned char exclusive:1; - volatile unsigned char pending:1; - volatile ushort share; +volatile typedef struct { + unsigned char mutex[1]; + unsigned char exclusive:1; + unsigned char pending:1; + ushort share; } BtSpinLatch; // hash table entries @@ -372,10 +372,10 @@ ushort prev; do { // obtain latch mutex #ifdef unix - if( __sync_lock_test_and_set(&latch->mutex, 1) ) + if( __sync_lock_test_and_set(latch->mutex, 1) ) continue; #else - if( _InterlockedExchange8(&latch->mutex, 1) ) + if( _InterlockedExchange8(latch->mutex, 1) ) continue; #endif // see if exclusive request is granted or pending @@ -384,9 +384,9 @@ ushort prev; latch->share++; #ifdef unix - __sync_lock_release (&latch->mutex); + __sync_lock_release (latch->mutex); #else - _InterlockedExchange8(&latch->mutex, 0); + _InterlockedExchange8(latch->mutex, 0); #endif if( prev ) @@ -407,10 +407,10 @@ uint prev; do { #ifdef unix - if( __sync_lock_test_and_set(&latch->mutex, 1) ) + if( __sync_lock_test_and_set(latch->mutex, 1) ) continue; #else - if( _InterlockedExchange8(&latch->mutex, 1) ) + if( _InterlockedExchange8(latch->mutex, 1) ) continue; #endif if( prev = !(latch->share | latch->exclusive) ) @@ -418,9 +418,9 @@ uint prev; else latch->pending = 1; #ifdef unix - __sync_lock_release (&latch->mutex); + __sync_lock_release (latch->mutex); #else - _InterlockedExchange8(&latch->mutex, 0); + _InterlockedExchange8(latch->mutex, 0); #endif if( prev ) return; @@ -441,10 +441,10 @@ int bt_spinwritetry(BtSpinLatch *latch) uint prev; #ifdef unix - if( __sync_lock_test_and_set(&latch->mutex, 1) ) + if( __sync_lock_test_and_set(latch->mutex, 1) ) return 0; #else - if( _InterlockedExchange8(&latch->mutex, 1) ) + if( _InterlockedExchange8(latch->mutex, 1) ) return 0; #endif // take write access if all bits are clear @@ -453,9 +453,9 @@ uint prev; latch->exclusive = 1; #ifdef unix - __sync_lock_release (&latch->mutex); + __sync_lock_release (latch->mutex); #else - _InterlockedExchange8(&latch->mutex, 0); + _InterlockedExchange8(latch->mutex, 0); #endif return prev; } @@ -466,17 +466,17 @@ void bt_spinreleasewrite(BtSpinLatch *latch) { // obtain latch mutex #ifdef unix - while( __sync_lock_test_and_set(&latch->mutex, 1) ) + while( __sync_lock_test_and_set(latch->mutex, 1) ) sched_yield(); #else - while( _InterlockedExchange8(&latch->mutex, 1) ) + while( _InterlockedExchange8(latch->mutex, 1) ) SwitchToThread(); #endif latch->exclusive = 0; #ifdef unix - __sync_lock_release (&latch->mutex); + __sync_lock_release (latch->mutex); #else - _InterlockedExchange8(&latch->mutex, 0); + _InterlockedExchange8(latch->mutex, 0); #endif } @@ -485,17 +485,17 @@ void bt_spinreleasewrite(BtSpinLatch *latch) void bt_spinreleaseread(BtSpinLatch *latch) { #ifdef unix - while( __sync_lock_test_and_set(&latch->mutex, 1) ) + while( __sync_lock_test_and_set(latch->mutex, 1) ) sched_yield(); #else - while( _InterlockedExchange8(&latch->mutex, 1) ) + while( _InterlockedExchange8(latch->mutex, 1) ) SwitchToThread(); #endif latch->share--; #ifdef unix - __sync_lock_release (&latch->mutex); + __sync_lock_release (latch->mutex); #else - _InterlockedExchange8(&latch->mutex, 0); + _InterlockedExchange8(latch->mutex, 0); #endif } @@ -783,14 +783,14 @@ uint slot; close (mgr->idx); free (mgr->pool); free (mgr->hash); - free (mgr->latch); + free ((void *)mgr->latch); free (mgr); #else FlushFileBuffers(mgr->idx); CloseHandle(mgr->idx); GlobalFree (mgr->pool); GlobalFree (mgr->hash); - GlobalFree (mgr->latch); + GlobalFree ((void *)mgr->latch); GlobalFree (mgr); #endif } @@ -2225,6 +2225,55 @@ uint bt_tod(BtDb *bt, uint slot) #ifdef STANDALONE +#ifndef unix +double getCpuTime(int type) +{ +FILETIME crtime[1]; +FILETIME xittime[1]; +FILETIME systime[1]; +FILETIME usrtime[1]; +SYSTEMTIME timeconv[1]; +double ans; + + GetProcessTimes (GetCurrentProcess(), crtime, xittime, systime, usrtime); + memset (timeconv, 0, sizeof(SYSTEMTIME)); + + switch( type ) { + case 1: + FileTimeToSystemTime (usrtime, timeconv); + break; + case 2: + FileTimeToSystemTime (systime, timeconv); + break; + } + + ans = (double)timeconv->wHour * 3600; + ans += (double)timeconv->wMinute * 60; + ans += (double)timeconv->wSecond; + ans += (double)timeconv->wMilliseconds / 1000; + return ans; +} +#else +#include +#include + +double getCpuTime(int type) +{ +struct rusage used[1]; + + getrusage(RUSAGE_SELF, used); + switch( type ) { + case 1: + return (double)used->ru_utime.tv_sec + (double)used->ru_utime.tv_usec / 1000000; + + case 2: + return (double)used->ru_stime.tv_sec + (double)used->ru_stime.tv_usec / 1000000; + } + + return 0; +} +#endif + void bt_latchaudit (BtDb *bt) { ushort idx, hashidx; @@ -2464,6 +2513,7 @@ HANDLE *threads; double real_time; ThreadArg *args; uint poolsize = 0; +float elapsed; int num = 0; char key[1]; BtMgr *mgr; @@ -2553,7 +2603,13 @@ BtDb *bt; time (stop); real_time = 1000 * (*stop - *start); #endif - fprintf(stderr, " Time to complete: %.2f seconds\n", real_time/1000); + elapsed = real_time / 1000; + fprintf(stderr, " real %dm%.3fs\n", (int)(elapsed/60), elapsed - (int)(elapsed/60)*60); + elapsed = getCpuTime(1); + fprintf(stderr, " user %dm%.3fs\n", (int)(elapsed/60), elapsed - (int)(elapsed/60)*60); + elapsed = getCpuTime(2); + fprintf(stderr, " sys %dm%.3fs\n", (int)(elapsed/60), elapsed - (int)(elapsed/60)*60); + bt_mgrclose (mgr); }