Commented out remaining ehitoa function declaration/calls and related char buff instances. Also commented out extra libraries not currently in use

This commit is contained in:
Abe 2021-07-14 04:46:11 -04:00
parent 9f9b38db9f
commit ac92823c8d

View File

@ -17,6 +17,8 @@ Original Author: Shay Gal-on
*/
#include "coremark.h"
//#include <stdlib.h>
//#include <string.h>
/*
Topic: Description
Benchmark using a linked list.
@ -26,8 +28,7 @@ Topic: Description
For our purposes, this will excercise the memory units of the processor.
In particular, usage of the list pointers to find and alter data.
We are not using Malloc since some platforms do not support this
library.
We are not using Malloc since some platforms do not support this library.
Instead, the memory block being passed in is used to create a list,
and the benchmark takes care not to add more items then can be
@ -40,73 +41,54 @@ library.
Data items contain the following:
idx - An index that captures the initial order of the list.
data - Variable data initialized based on the input parameters. The 16b
are divided as follows: o Upper 8b are backup of original data. o Bit 7
indicates if the lower 7 bits are to be used as is or calculated. o Bits 0-2
indicate type of operation to perform to get a 7b value. o Bits 3-6 provide
input for the operation.
data - Variable data initialized based on the input parameters. The 16b are divided as follows:
o Upper 8b are backup of original data.
o Bit 7 indicates if the lower 7 bits are to be used as is or calculated.
o Bits 0-2 indicate type of operation to perform to get a 7b value.
o Bits 3-6 provide input for the operation.
*/
/* local functions */
list_head *core_list_find(list_head *list, list_data *info);
list_head *core_list_find(list_head *list,list_data *info);
list_head *core_list_reverse(list_head *list);
list_head *core_list_remove(list_head *item);
list_head *core_list_undo_remove(list_head *item_removed,
list_head *item_modified);
list_head *core_list_insert_new(list_head * insert_point,
list_data * info,
list_head **memblock,
list_data **datablock,
list_head * memblock_end,
list_data * datablock_end);
typedef ee_s32 (*list_cmp)(list_data *a, list_data *b, core_results *res);
list_head *core_list_mergesort(list_head * list,
list_cmp cmp,
core_results *res);
list_head *core_list_undo_remove(list_head *item_removed, list_head *item_modified);
list_head *core_list_insert_new(list_head *insert_point
, list_data *info, list_head **memblock, list_data **datablock
, list_head *memblock_end, list_data *datablock_end);
typedef ee_s32(*list_cmp)(list_data *a, list_data *b, core_results *res);
list_head *core_list_mergesort(list_head *list, list_cmp cmp, core_results *res);
ee_s16
calc_func(ee_s16 *pdata, core_results *res)
{
ee_s16 data = *pdata;
ee_s16 calc_func(ee_s16 *pdata, core_results *res) {
ee_s16 data=*pdata;
ee_s16 retval;
ee_u8 optype
= (data >> 7)
& 1; /* bit 7 indicates if the function result has been cached */
ee_u8 optype=(data>>7) & 1; /* bit 7 indicates if the function result has been cached */
if (optype) /* if cached, use cache */
return (data & 0x007f);
else
{ /* otherwise calculate and cache the result */
ee_s16 flag = data & 0x7; /* bits 0-2 is type of function to perform */
ee_s16 dtype
= ((data >> 3)
& 0xf); /* bits 3-6 is specific data for the operation */
else { /* otherwise calculate and cache the result */
ee_s16 flag=data & 0x7; /* bits 0-2 is type of function to perform */
ee_s16 dtype=((data>>3) & 0xf); /* bits 3-6 is specific data for the operation */
dtype |= dtype << 4; /* replicate the lower 4 bits to get an 8b value */
switch (flag)
{
switch (flag) {
case 0:
if (dtype < 0x22) /* set min period for bit corruption */
dtype = 0x22;
retval = core_bench_state(res->size,
res->memblock[3],
res->seed1,
res->seed2,
dtype,
res->crc);
if (res->crcstate == 0)
res->crcstate = retval;
if (dtype<0x22) /* set min period for bit corruption */
dtype=0x22;
retval=core_bench_state(res->size,res->memblock[3],res->seed1,res->seed2,dtype,res->crc);
if (res->crcstate==0)
res->crcstate=retval;
break;
case 1:
retval = core_bench_matrix(&(res->mat), dtype, res->crc);
if (res->crcmatrix == 0)
res->crcmatrix = retval;
retval=core_bench_matrix(&(res->mat),dtype,res->crc);
if (res->crcmatrix==0)
res->crcmatrix=retval;
break;
default:
retval = data;
retval=data;
break;
}
res->crc = crcu16(retval, res->crc);
res->crc=crcu16(retval,res->crc);
retval &= 0x007f;
*pdata = (data & 0xff00) | 0x0080 | retval; /* cache the result */
return retval;
@ -117,11 +99,9 @@ calc_func(ee_s16 *pdata, core_results *res)
Can be used by mergesort.
*/
ee_s32
cmp_complex(list_data *a, list_data *b, core_results *res)
{
ee_s16 val1 = calc_func(&(a->data16), res);
ee_s16 val2 = calc_func(&(b->data16), res);
ee_s32 cmp_complex(list_data *a, list_data *b, core_results *res) {
ee_s16 val1=calc_func(&(a->data16),res);
ee_s16 val2=calc_func(&(b->data16),res);
return val1 - val2;
}
@ -130,22 +110,36 @@ cmp_complex(list_data *a, list_data *b, core_results *res)
Can be used by mergesort.
*/
ee_s32
cmp_idx(list_data *a, list_data *b, core_results *res)
{
if (res == NULL)
{
a->data16 = (a->data16 & 0xff00) | (0x00ff & (a->data16 >> 8));
b->data16 = (b->data16 & 0xff00) | (0x00ff & (b->data16 >> 8));
ee_s32 cmp_idx(list_data *a, list_data *b, core_results *res) {
if (res==NULL) {
a->data16 = (a->data16 & 0xff00) | (0x00ff & (a->data16>>8));
b->data16 = (b->data16 & 0xff00) | (0x00ff & (b->data16>>8));
}
return a->idx - b->idx;
}
void
copy_info(list_data *to, list_data *from)
{
to->data16 = from->data16;
to->idx = from->idx;
/*void ehitoa(int value, char *str, int base){
if (value>100000) strcpy(str,"too big");
else{
int places[6] = {100000, 10000, 1000, 100, 10, 1};
int col;
int pv;
for(col = 0; col<6; col++){
pv = 0;
while (value >= places[col]){
value=value -places[col];
pv++;
}
str[col]=pv+'0';
}
str[6]=0;
}
}*/
void copy_info(list_data *to,list_data *from) {
to->data16=from->data16;
to->idx=from->idx;
}
/* Benchmark for linked list:
@ -155,81 +149,74 @@ copy_info(list_data *to, list_data *from)
- Single remove/reinsert
* At the end of this function, the list is back to original state
*/
ee_u16
core_bench_list(core_results *res, ee_s16 finder_idx)
{
ee_u16 retval = 0;
ee_u16 found = 0, missed = 0;
list_head *list = res->list;
ee_s16 find_num = res->seed3;
ee_u16 core_bench_list(core_results *res, ee_s16 finder_idx) {
ee_u16 retval=0;
ee_u16 found=0,missed=0;
list_head *list=res->list;
ee_s16 find_num=res->seed3;
list_head *this_find;
list_head *finder, *remover;
list_data info;
ee_s16 i;
info.idx = finder_idx;
/* find <find_num> values in the list, and change the list each time
* (reverse and cache if value found) */
for (i = 0; i < find_num; i++)
{
info.data16 = (i & 0xff);
this_find = core_list_find(list, &info);
list = core_list_reverse(list);
if (this_find == NULL)
{
//ee_printf("entered corebenchlist \n");
info.idx=finder_idx;
/* find <find_num> values in the list, and change the list each time (reverse and cache if value found) */
for (i=0; i<find_num; i++) {
//ee_printf("for loop \n");
info.data16= (i & 0xff) ;
this_find=core_list_find(list,&info);
list=core_list_reverse(list);
if (this_find==NULL) {
missed++;
retval += (list->next->info->data16 >> 8) & 1;
retval+=(list->next->info->data16 >> 8) & 1;
//ee_printf("if statement \n");
}
else
{
else {
found++;
//ee_printf("else statement \n");
if (this_find->info->data16 & 0x1) /* use found value */
retval += (this_find->info->data16 >> 9) & 1;
retval+=(this_find->info->data16 >> 9) & 1;
/* and cache next item at the head of the list (if any) */
if (this_find->next != NULL)
{
if (this_find->next != NULL) {
finder = this_find->next;
this_find->next = finder->next;
finder->next = list->next;
list->next = finder;
finder->next=list->next;
list->next=finder;
}
}
if (info.idx >= 0)
if (info.idx>=0)
info.idx++;
#if CORE_DEBUG
ee_printf("List find %d: [%d,%d,%d]\n", i, retval, missed, found);
//ee_printf("List find %d: [%d,%d,%d]\n",i,retval,missed,found);
#endif
}
retval += found * 4 - missed;
retval+=found*4-missed;
/* sort the list by data content and remove one item*/
if (finder_idx > 0)
list = core_list_mergesort(list, cmp_complex, res);
remover = core_list_remove(list->next);
/* CRC data content of list from location of index N forward, and then undo
* remove */
finder = core_list_find(list, &info);
if (finder_idx>0)
list=core_list_mergesort(list,cmp_complex,res);
remover=core_list_remove(list->next);
/* CRC data content of list from location of index N forward, and then undo remove */
finder=core_list_find(list,&info);
if (!finder)
finder = list->next;
while (finder)
{
retval = crc16(list->info->data16, retval);
finder = finder->next;
finder=list->next;
while (finder) {
retval=crc16(list->info->data16,retval);
finder=finder->next;
}
#if CORE_DEBUG
ee_printf("List sort 1: %04x\n", retval);
//ee_printf("List sort 1: %04x\n",retval);
#endif
remover = core_list_undo_remove(remover, list->next);
remover=core_list_undo_remove(remover,list->next);
/* sort the list by index, in effect returning the list to original state */
list = core_list_mergesort(list, cmp_idx, NULL);
list=core_list_mergesort(list,cmp_idx,NULL);
/* CRC data content of list */
finder = list->next;
while (finder)
{
retval = crc16(list->info->data16, retval);
finder = finder->next;
finder=list->next;
while (finder) {
retval=crc16(list->info->data16,retval);
finder=finder->next;
}
#if CORE_DEBUG
ee_printf("List sort 2: %04x\n", retval);
//ee_printf("List sort 2: %04x\n",retval);
#endif
return retval;
}
@ -240,80 +227,96 @@ core_bench_list(core_results *res, ee_s16 finder_idx)
blksize - Size of memory to be initialized.
memblock - Pointer to memory block.
seed - Actual values chosen depend on the seed parameter.
The seed parameter MUST be supplied from a source that cannot be
determined at compile time
The seed parameter MUST be supplied from a source that cannot be determined at compile time
Returns:
Pointer to the head of the list.
*/
list_head *
core_list_init(ee_u32 blksize, list_head *memblock, ee_s16 seed)
{
list_head *core_list_init(ee_u32 blksize, list_head *memblock, ee_s16 seed) {
/* calculated pointers for the list */
ee_u32 per_item = 16 + sizeof(struct list_data_s);
ee_u32 size = (blksize / per_item)
- 2; /* to accomodate systems with 64b pointers, and make sure
same code is executed, set max list elements */
list_head *memblock_end = memblock + size;
list_data *datablock = (list_data *)(memblock_end);
list_data *datablock_end = datablock + size;
//ee_printf("%d \n blksize", blksize);
ee_u32 per_item=16+sizeof(struct list_data_s);
//ee_printf("%d \n sizeof", sizeof(struct list_data_s));
//ee_printf("%d \n per_item", per_item);
ee_u32 size=(blksize/per_item)-2;
//char bufftwo[200];
//ehitoa(size, bufftwo, 10);
//ee_printf(" size = %s done \n", bufftwo);
//ee_printf("%d", size);/* to accomodate systems with 64b pointers, and make sure same code is executed, set max list elements */
list_head *memblock_end=memblock+size;
list_data *datablock=(list_data *)(memblock_end);
list_data *datablock_end=datablock+size;
//ee_printf("datablock_end");
/* some useful variables */
ee_u32 i;
list_head *finder, *list = memblock;
list_head *finder,*list=memblock;
list_data info;
//ehitoa(size, bufftwo, 10);
//ee_printf(" size2 = %s done \n", bufftwo);
/* create a fake items for the list head and tail */
list->next = NULL;
list->info = datablock;
list->info->idx = 0x0000;
list->info->data16 = (ee_s16)0x8080;
list->next=NULL;
list->info=datablock;
list->info->idx=0x0000;
list->info->data16=(ee_s16)0x8080;
memblock++;
datablock++;
info.idx = 0x7fff;
info.data16 = (ee_s16)0xffff;
core_list_insert_new(
list, &info, &memblock, &datablock, memblock_end, datablock_end);
info.idx=0x7fff;
info.data16=(ee_s16)0xffff;
//ehitoa(size, bufftwo, 10);
//ee_printf(" size3 = %s done \n", bufftwo);
core_list_insert_new(list,&info,&memblock,&datablock,memblock_end,datablock_end);
//ehitoa(size, bufftwo, 10);
//ee_printf(" size4 = %s done \n", bufftwo);;
/* then insert size items */
for (i = 0; i < size; i++)
{
ee_u16 datpat = ((ee_u16)(seed ^ i) & 0xf);
ee_u16 dat
= (datpat << 3) | (i & 0x7); /* alternate between algorithms */
info.data16 = (dat << 8) | dat; /* fill the data with actual data and
upper bits with rebuild value */
core_list_insert_new(
list, &info, &memblock, &datablock, memblock_end, datablock_end);
for (i=0; i<size; i++) {
ee_u16 datpat=((ee_u16)(seed^i) & 0xf);
ee_u16 dat=(datpat<<3) | (i&0x7); /* alternate between algorithms */
info.data16=(dat<<8) | dat; /* fill the data with actual data and upper bits with rebuild value */
core_list_insert_new(list,&info,&memblock,&datablock,memblock_end,datablock_end);
//ehitoa(i, bufftwo, 10);
//ee_printf(" i = %s done \n", bufftwo);
//ee_printf("%d \n", i);
/*char grow[200];
char growtwo[200];
itoa(i, growtwo, 10);
sprintf(grow, "test %u buff2 %s goodbyeadd \n", i, growtwo);*/
}
//ee_printf("exited for \n");
/* and now index the list so we know initial seed order of the list */
finder = list->next;
i = 1;
while (finder->next != NULL)
{
if (i < size / 5) /* first 20% of the list in order */
finder->info->idx = i++;
else
{
ee_u16 pat = (ee_u16)(i++ ^ seed); /* get a pseudo random number */
finder->info->idx = 0x3fff
& (((i & 0x07) << 8)
| pat); /* make sure the mixed items end up
after the ones in sequence */
finder=list->next;
i=1;
//ehitoa(i, bufftwo, 10);
//ee_printf(" i = %s done \n", bufftwo);
while (finder->next!=NULL) {
//ee_printf("enter while statement \n");
if (i<size/5){ /* first 20% of the list in order */
finder->info->idx=i++;
//ehitoa(i, bufftwo, 10);
//ee_printf(" if i = %s done \n", bufftwo);
}
finder = finder->next;
else {
ee_u16 pat=(ee_u16)(i++ ^ seed); /* get a pseudo random number */
finder->info->idx=0x3fff & (((i & 0x07) << 8) | pat); /* make sure the mixed items end up after the ones in sequence */
//ehitoa(i, bufftwo, 10);
//ee_printf(" else i = %s done \n", bufftwo);
}
list = core_list_mergesort(list, cmp_idx, NULL);
finder=finder->next;
}
//ehitoa(i, bufftwo, 10);
//ee_printf(" i2 = %s done \n", bufftwo);
list = core_list_mergesort(list,cmp_idx,NULL);
#if CORE_DEBUG
ee_printf("Initialized list:\n");
finder = list;
while (finder)
{
ee_printf(
"[%04x,%04x]", finder->info->idx, (ee_u16)finder->info->data16);
finder = finder->next;
//ee_printf("Initialized list:\n");
finder=list;
while (finder) {
//ee_printf("[%04x,%04x]",finder->info->idx,(ee_u16)finder->info->data16);
finder=finder->next;
}
ee_printf("\n");
//ee_printf("\n");
#endif
return list;
}
@ -332,29 +335,23 @@ core_list_init(ee_u32 blksize, list_head *memblock, ee_s16 seed)
Returns:
Pointer to new item.
*/
list_head *
core_list_insert_new(list_head * insert_point,
list_data * info,
list_head **memblock,
list_data **datablock,
list_head * memblock_end,
list_data * datablock_end)
{
list_head *core_list_insert_new(list_head *insert_point, list_data *info, list_head **memblock, list_data **datablock
, list_head *memblock_end, list_data *datablock_end) {
list_head *newitem;
if ((*memblock + 1) >= memblock_end)
if ((*memblock+1) >= memblock_end)
return NULL;
if ((*datablock + 1) >= datablock_end)
if ((*datablock+1) >= datablock_end)
return NULL;
newitem = *memblock;
newitem=*memblock;
(*memblock)++;
newitem->next = insert_point->next;
insert_point->next = newitem;
newitem->next=insert_point->next;
insert_point->next=newitem;
newitem->info = *datablock;
newitem->info=*datablock;
(*datablock)++;
copy_info(newitem->info, info);
copy_info(newitem->info,info);
return newitem;
}
@ -367,24 +364,21 @@ core_list_insert_new(list_head * insert_point,
over to the current cell, and unlinking the next item.
Note:
since there is always a fake item at the end of the list, no need to
check for NULL.
since there is always a fake item at the end of the list, no need to check for NULL.
Returns:
Removed item.
*/
list_head *
core_list_remove(list_head *item)
{
list_head *core_list_remove(list_head *item) {
list_data *tmp;
list_head *ret = item->next;
list_head *ret=item->next;
/* swap data pointers */
tmp = item->info;
item->info = ret->info;
ret->info = tmp;
tmp=item->info;
item->info=ret->info;
ret->info=tmp;
/* and eliminate item */
item->next = item->next->next;
ret->next = NULL;
item->next=item->next->next;
ret->next=NULL;
return ret;
}
@ -404,17 +398,15 @@ core_list_remove(list_head *item)
The item that was linked back to the list.
*/
list_head *
core_list_undo_remove(list_head *item_removed, list_head *item_modified)
{
list_head *core_list_undo_remove(list_head *item_removed, list_head *item_modified) {
list_data *tmp;
/* swap data pointers */
tmp = item_removed->info;
item_removed->info = item_modified->info;
item_modified->info = tmp;
tmp=item_removed->info;
item_removed->info=item_modified->info;
item_modified->info=tmp;
/* and insert item */
item_removed->next = item_modified->next;
item_modified->next = item_removed;
item_removed->next=item_modified->next;
item_modified->next=item_removed;
return item_removed;
}
@ -431,19 +423,23 @@ core_list_undo_remove(list_head *item_removed, list_head *item_modified)
Returns:
Found item, or NULL if not found.
*/
list_head *
core_list_find(list_head *list, list_data *info)
{
if (info->idx >= 0)
{
while (list && (list->info->idx != info->idx))
list = list->next;
return list;
list_head *core_list_find(list_head *list,list_data *info) {
//ee_printf("entered core_list_find \n");
if (info->idx>=0) {
//ee_printf("find if \n");
while (list && (list->info->idx != info->idx)){
list=list->next;
//ee_printf("find while if \n");
}
else
{
while (list && ((list->info->data16 & 0xff) != info->data16))
list = list->next;
//ee_printf("core_list_find end \n");
return list;
} else {
//ee_printf("find else");
while (list && ((list->info->data16 & 0xff) != info->data16)){
list=list->next;
//ee_printf("find while else \n");
}
//ee_printf("core list find end \n");
return list;
}
}
@ -461,17 +457,16 @@ core_list_find(list_head *list, list_data *info)
Found item, or NULL if not found.
*/
list_head *
core_list_reverse(list_head *list)
{
list_head *next = NULL, *tmp;
while (list)
{
tmp = list->next;
list->next = next;
next = list;
list = tmp;
list_head *core_list_reverse(list_head *list) {
// ee_printf("entered core_list_reverse");
list_head *next=NULL, *tmp;
while (list) {
tmp=list->next;
list->next=next;
next=list;
list=tmp;
}
//ee_printf("core_list_reverse done");
return next;
}
/* Function: core_list_mergesort
@ -479,10 +474,9 @@ core_list_reverse(list_head *list)
Description:
Use mergesort, as for linked list this is a realistic solution.
Also, since this is aimed at embedded, care was taken to use iterative
rather then recursive algorithm. The sort can either return the list to
original order (by idx) , or use the data item to invoke other other
algorithms and change the order of the list.
Also, since this is aimed at embedded, care was taken to use iterative rather then recursive algorithm.
The sort can either return the list to original order (by idx) ,
or use the data item to invoke other other algorithms and change the order of the list.
Parameters:
list - list to be sorted.
@ -496,81 +490,70 @@ core_list_reverse(list_head *list)
but the algorithm could theoretically modify where the list starts.
*/
list_head *
core_list_mergesort(list_head *list, list_cmp cmp, core_results *res)
{
list_head *core_list_mergesort(list_head *list, list_cmp cmp, core_results *res) {
list_head *p, *q, *e, *tail;
ee_s32 insize, nmerges, psize, qsize, i;
insize = 1;
while (1)
{
//char bufftwo[200];
while (1) {
p = list;
list = NULL;
tail = NULL;
nmerges = 0; /* count number of merges we do in this pass */
while (p)
{
//ehitoa(nmerges, bufftwo, 10);
//ee_printf(" nmerges default value = %s done \n", bufftwo);
while (p) {
nmerges++; /* there exists a merge to be done */
//ehitoa(nmerges, bufftwo, 10);
//ee_printf(" current nmerges = %s done \n", bufftwo);
/* step `insize' places along from p */
q = p;
psize = 0;
for (i = 0; i < insize; i++)
{
//ehitoa(insize, bufftwo, 10);
//ee_printf(" insize = %s done \n", bufftwo);
for (i = 0; i < insize; i++) {
//ehitoa(i, bufftwo, 10);
//ee_printf(" i = %s done \n", bufftwo);
psize++;
q = q->next;
if (!q)
break;
if (!q) break;
}
/* if q hasn't fallen off end, we have two lists to merge */
qsize = insize;
//ehitoa(qsize, bufftwo, 10);
//ee_printf(" qsize = %s done \n", bufftwo);
/* now we have two lists; merge them */
while (psize > 0 || (qsize > 0 && q))
{
while (psize > 0 || (qsize > 0 && q)) {
/* decide whether next element of merge comes from p or q */
if (psize == 0)
{
if (psize == 0) {
//ee_printf("if \n");
/* p is empty; e must come from q. */
e = q;
q = q->next;
qsize--;
}
else if (qsize == 0 || !q)
{
e = q; q = q->next; qsize--;
} else if (qsize == 0 || !q) {
//ee_printf("else if \n");
/* q is empty; e must come from p. */
e = p;
p = p->next;
psize--;
}
else if (cmp(p->info, q->info, res) <= 0)
{
/* First element of p is lower (or same); e must come from
* p. */
e = p;
p = p->next;
psize--;
}
else
{
e = p; p = p->next; psize--;
} else if (cmp(p->info,q->info,res) <= 0) {
//ee_printf("else if 2 \n");
/* First element of p is lower (or same); e must come from p. */
e = p; p = p->next; psize--;
} else {
//ee_printf("else \n");
/* First element of q is lower; e must come from q. */
e = q;
q = q->next;
qsize--;
e = q; q = q->next; qsize--;
}
/* add the next element to the merged list */
if (tail)
{
if (tail) {
//ee_printf("tail if \n");
tail->next = e;
}
else
{
} else {
//ee_printf("tail else \n");
list = e;
}
tail = e;
@ -588,6 +571,8 @@ core_list_mergesort(list_head *list, list_cmp cmp, core_results *res)
/* Otherwise repeat, merging lists twice the size */
insize *= 2;
//ehitoa(insize, bufftwo, 10);
//ee_printf(" insize2 = %s done \n", bufftwo);
}
#if COMPILER_REQUIRES_SORT_RETURN
return list;