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eliminate geo cache fallback key/hash cache; we can just use the hash store to rewind

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This commit is contained in:
Ryan Fleury
2024-03-26 11:59:54 -07:00
parent f7e7aec355
commit 9dc484858a
3 changed files with 30 additions and 136 deletions
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src/geo_cache/geo_cache.h
+4 -24
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@@ -7,21 +7,6 @@
////////////////////////////////
//~ rjf: Cache Types
typedef struct GEO_KeyFallbackNode GEO_KeyFallbackNode;
struct GEO_KeyFallbackNode
{
GEO_KeyFallbackNode *next;
U128 key;
U128 hash;
};
typedef struct GEO_KeyFallbackSlot GEO_KeyFallbackSlot;
struct GEO_KeyFallbackSlot
{
GEO_KeyFallbackNode *first;
GEO_KeyFallbackNode *last;
};
typedef struct GEO_Node GEO_Node;
struct GEO_Node
{
@@ -97,12 +82,6 @@ struct GEO_Shared
GEO_Stripe *stripes;
GEO_Node **stripes_free_nodes;
// rjf: fallback cache
U64 fallback_slots_count;
U64 fallback_stripes_count;
GEO_KeyFallbackSlot *fallback_slots;
GEO_Stripe *fallback_stripes;
// rjf: user -> xfer thread
U64 u2x_ring_size;
U8 *u2x_ring_base;
@@ -151,13 +130,14 @@ internal void geo_scope_touch_node__stripe_r_guarded(GEO_Scope *scope, GEO_Node
////////////////////////////////
//~ rjf: Cache Lookups
internal R_Handle geo_buffer_from_key_hash(GEO_Scope *scope, U128 key, U128 hash);
internal R_Handle geo_buffer_from_hash(GEO_Scope *scope, U128 hash);
internal R_Handle geo_buffer_from_key(GEO_Scope *scope, U128 key);
////////////////////////////////
//~ rjf: Transfer Threads
internal B32 geo_u2x_enqueue_req(U128 key, U128 hash, U64 endt_us);
internal void geo_u2x_dequeue_req(U128 *key_out, U128 *hash_out);
internal B32 geo_u2x_enqueue_req(U128 hash, U64 endt_us);
internal void geo_u2x_dequeue_req(U128 *hash_out);
internal void geo_xfer_thread__entry_point(void *p);
////////////////////////////////