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  1.  Home
  2. MI400
  3. July 2002

repeated SETHSSMK/FREHSSMK versus repeated CRTHS/DESHS

Which performs faster in C (many times over and over)?

_CRTHS( &HeapId, &Template );
_SETHSSMK( &Mark, &HeapId );
Heap = _ALCHSS( HeapId, Size );  // (repeat this many times)
_FREHSSMK( &Mark );
_SETHSSMK( &Mark, &HeapId );
Heap = _ALCHSS( HeapId, Size );  // (repeat this many times)
_FREHSSMK( &Mark );
_SETHSSMK( &Mark, &HeapId );
 Heap = _ALCHSS( HeapId, Size );  // (repeat this many times)
_FREHSSMK( &Mark );
// etc.
_DESHS( &HeapId );


or this:

_CRTHS( &HeapId, &Template );
Heap = _ALCHSS( HeapId, Size );  // (repeat this many times)
_DESHS( &HeapId );
_CRTHS( &HeapId, &Template );
Heap = _ALCHSS( HeapId, Size );  // (repeat this many times)
_DESHS( &HeapId );
_CRTHS( &HeapId, &Template );
Heap = _ALCHSS( HeapId, Size );  // (repeat this many times)
_DESHS( &HeapId );
// etc.

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