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bucket artifact cache requests by wideness/priority; do high/wide, high/thin, low/wide, low/thin

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This commit is contained in:
Ryan Fleury
2025-09-24 17:08:08 -07:00
parent 10e8a10d9b
commit ca7bfab7ea
12 changed files with 289 additions and 121 deletions
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src/artifact_cache/artifact_cache.h
+27 -7
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@@ -19,6 +19,15 @@ struct AC_Artifact
typedef AC_Artifact AC_CreateFunctionType(String8 key, B32 *retry_out);
typedef void AC_DestroyFunctionType(AC_Artifact artifact);
typedef U32 AC_Flags;
typedef enum AC_FlagsEnum
{
AC_Flag_WaitForFresh = (1<<0),
AC_Flag_HighPriority = (1<<1),
AC_Flag_Wide = (1<<2),
}
AC_FlagsEnum;
typedef struct AC_ArtifactParams AC_ArtifactParams;
struct AC_ArtifactParams
{
@@ -26,8 +35,9 @@ struct AC_ArtifactParams
AC_DestroyFunctionType *destroy;
U64 slots_count;
U64 gen;
B32 wait_for_fresh;
U64 evict_threshold_us;
B32 *stale_out;
AC_Flags flags;
};
////////////////////////////////
@@ -63,6 +73,7 @@ struct AC_Node
AccessPt access_pt;
U64 working_count;
U64 completion_count;
U64 evict_threshold_us;
};
typedef struct AC_Slot AC_Slot;
@@ -86,6 +97,19 @@ struct AC_Cache
StripeArray stripes;
};
typedef struct AC_RequestBatch AC_RequestBatch;
struct AC_RequestBatch
{
Mutex mutex;
Arena *arena;
AC_RequestNode *first_wide;
AC_RequestNode *last_wide;
AC_RequestNode *first_thin;
AC_RequestNode *last_thin;
U64 wide_count;
U64 thin_count;
};
typedef struct AC_Shared AC_Shared;
struct AC_Shared
{
@@ -97,11 +121,7 @@ struct AC_Shared
StripeArray cache_stripes;
// rjf: requests
Mutex req_mutex;
Arena *req_arena;
AC_RequestNode *first_req;
AC_RequestNode *last_req;
U64 req_count;
AC_RequestBatch req_batches[2]; // 0: high priority, 1: low priority
};
////////////////////////////////
@@ -118,7 +138,7 @@ internal void ac_init(void);
//~ rjf: Cache Lookups
internal AC_Artifact ac_artifact_from_key_(Access *access, String8 key, AC_ArtifactParams *params, U64 endt_us);
#define ac_artifact_from_key(access, key, create_fn, destroy_fn, endt_us, ...) ac_artifact_from_key_((access), (key), &(AC_ArtifactParams){.create = (create_fn), .destroy = (destroy_fn), __VA_ARGS__}, (endt_us))
#define ac_artifact_from_key(access, key, create_fn, destroy_fn, endt_us, ...) ac_artifact_from_key_((access), (key), &(AC_ArtifactParams){.create = (create_fn), .destroy = (destroy_fn), .evict_threshold_us = (2000000), __VA_ARGS__}, (endt_us))
////////////////////////////////
//~ rjf: Asynchronous Tick