| 60 |
|
#endif |
| 61 |
|
|
| 62 |
|
static COLOR avsum = BLKCOLOR; /* computed ambient value sum */ |
| 63 |
< |
static unsigned int nambvals = 0; /* number of computed ambient values */ |
| 63 |
> |
static unsigned int nambvals = 0; /* total number of indirect values */ |
| 64 |
> |
static unsigned int nambshare = 0; /* number of values from file */ |
| 65 |
|
static unsigned long ambclock = 0; /* ambient access clock */ |
| 66 |
|
static unsigned long lastsort = 0; /* time of last value sort */ |
| 67 |
|
static long sortintvl = SORT_INTVL; /* time until next sort */ |
| 70 |
|
/* |
| 71 |
|
* Track access times unless we are sharing ambient values |
| 72 |
|
* through memory on a multiprocessor, when we want to avoid |
| 73 |
< |
* claiming our own memory (copy on write). |
| 73 |
> |
* claiming our own memory (copy on write). Go ahead anyway |
| 74 |
> |
* if more than two thirds of our values are unshared. |
| 75 |
|
*/ |
| 76 |
< |
#define tracktime (shm_boundary == NULL || ambfp == NULL) |
| 76 |
> |
#define tracktime (shm_boundary == NULL || nambvals > 3*nambshare) |
| 77 |
|
|
| 78 |
|
#define AMBFLUSH (BUFSIZ/AMBVALSIZ) |
| 79 |
|
|
| 145 |
|
avinsert(avstore(&amb)); |
| 146 |
|
/* align */ |
| 147 |
|
fseek(ambfp, -((ftell(ambfp)-headlen)%AMBVALSIZ), 1); |
| 148 |
+ |
nambshare = nambvals; |
| 149 |
|
} else if ((ambfp = fopen(afile, "w+")) != NULL) |
| 150 |
|
initambfile(1); |
| 151 |
|
else { |
