diff options
Diffstat (limited to 'src/gpgpu-sim/gpu-cache.h')
| -rw-r--r-- | src/gpgpu-sim/gpu-cache.h | 36 |
1 files changed, 16 insertions, 20 deletions
diff --git a/src/gpgpu-sim/gpu-cache.h b/src/gpgpu-sim/gpu-cache.h index d07d1e1..3b4bf73 100644 --- a/src/gpgpu-sim/gpu-cache.h +++ b/src/gpgpu-sim/gpu-cache.h @@ -71,22 +71,22 @@ #ifndef GPU_CACHE_H #define GPU_CACHE_H -#define VALID 0x01 -#define DIRTY 0x02 -#define RESERVED 0x04 +#define VALID 0x01 // block is valid (and present in cache) +#define DIRTY 0x02 // block is dirty +#define RESERVED 0x04 // there is an outstanding request for this block, but it has not returned yet enum cache_request_status { HIT, - HIT_W_WT, /* Hit, but write through cache, still needs to send to memory */ - MISS_NO_WB, /* miss, but witeback not necessary*/ - MISS_W_WB, /* miss, must do writeback */ - WB_HIT_ON_MISS, /* request hit on a reservation in wb cache*/ + HIT_W_WT, // Hit, but write through cache, still needs to send to memory + MISS_NO_WB, // miss, but witeback not necessary + MISS_W_WB, // miss, must do writeback + WB_HIT_ON_MISS, // request hit on a reservation in wb cache RESERVATION_FAIL, NUM_CACHE_REQUEST_STATUS }; -typedef struct { +struct shd_cache_line_t { unsigned long long int tag; unsigned long long int addr; unsigned int set; @@ -94,7 +94,7 @@ typedef struct { unsigned int fetch_time; unsigned int last_used; unsigned char status; /* valid, dirty... etc */ -} shd_cache_line_t; +}; #define LRU 'L' @@ -107,7 +107,7 @@ enum cache_write_policy{ write_through //reservation based, use much handle reservation full error. }; -typedef struct { +struct shd_cache_t { char *name; @@ -135,13 +135,10 @@ typedef struct { unsigned long long int bank_mask; -} shd_cache_t; +}; -shd_cache_t * shd_cache_create( char *name, - unsigned int nset, - unsigned int assoc, - unsigned int line_sz, - unsigned char policy, +shd_cache_t * shd_cache_create( const char *name, + const char *opt, unsigned int hit_latency, unsigned long long int bank_mask, enum cache_write_policy wp); @@ -151,15 +148,14 @@ void shd_cache_destroy( shd_cache_t* cp ); // hook up with shader core logger void shd_cache_bind_logger(shd_cache_t* cp, int core_id, int type_id); -//depercated, use _wb +// depricated use shd_cache_access_new shd_cache_line_t* shd_cache_access( shd_cache_t *cp, unsigned long long int addr, unsigned int nbytes, unsigned char write, unsigned int sim_cycle ); -//cache check checks for wb and forwards information over. -enum cache_request_status shd_cache_access_wb( shd_cache_t *cp, +enum cache_request_status shd_cache_access_new( shd_cache_t *cp, unsigned long long int addr, unsigned int nbytes, unsigned char write, @@ -185,7 +181,7 @@ unsigned long long int L2_shd_cache_fill( shd_cache_t *cp, unsigned long long int addr, unsigned int sim_cycle ); -void shd_cache_print( shd_cache_t *cp, FILE *stream); +void shd_cache_print( const shd_cache_t *cp, FILE *stream, unsigned &total_access, unsigned &total_misses ); float shd_cache_windowed_cache_miss_rate(shd_cache_t*, int); void shd_cache_new_window(shd_cache_t*); |
