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Fixed performance of getSz

master
TuDatTr 2021-01-24 22:53:37 +01:00
parent 921a49c0fc
commit ad1dd76932
2 changed files with 8 additions and 9 deletions
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4
Makefile
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@ -2,8 +2,8 @@
# Students' Makefile for the Malloc Lab
#
CC = gcc
# CFLAGS = -Wall -O2 -m32
CFLAGS = -Wall -O0 -m32 -g03 -pg
CFLAGS = -Wall -O2 -m32
# CFLAGS = -Wall -O0 -m32 -g03 -pg
OBJS = mdriver.o mm.o memlib.o fsecs.o fcyc.o clock.o ftimer.o

13
mm.c
View File

@ -164,18 +164,17 @@ static void *place(void *ptr, size_t asize);
@param[in] asize size class to look for in segregated list
@result Size class (i.e. index of segregated list)
*/
static int getSzClass(size_t asize);
static inline int getSzClass(size_t asize);
////////////////////////////////////////////////////////////////////////////////
/////////////////////////////// HELPER FUNCTIONS ///////////////////////////////
////////////////////////////////////////////////////////////////////////////////
static int getSzClass(size_t asize) {
for (size_t i = 0; i < LISTSIZE; ++i) {
if (asize == (1 << i)) {
return i;
}
static inline int getSzClass(size_t asize) {
int i;
for (i = 0; (i < LISTSIZE-1) && (asize > 1); ++i) {
asize >>= 1;
}
return LISTSIZE-1;
return i;
}
static void *extend_heap(size_t size)