Work in progres for chunk cache with selection I/O improvement.

1 files changed, 15 insertions, 0 deletions

diff --git a/src/H5Dpkg.h b/src/H5Dpkg.h
index a3695ae..8ef6ade 100644
--- a/src/H5Dpkg.h
+++ b/src/H5Dpkg.h
@@ -256,6 +256,12 @@ typedef struct H5D_piece_info_t {
     size_t   buf_off;        /* Buffer offset for in-place type conversion */
     bool     filtered_dset;  /* Whether the dataset this chunk is in has filters applied */
     struct H5D_dset_io_info_t *dset_info; /* Pointer to dset_info */
+    bool entire_chunk;           /* Whether whole chunk is selected */
+    bool in_cache;
+    void *buf;
+    unsigned    idx_hint;         /* Index of chunk in cache, if present */
+    H5F_block_t chunk_block;      /* Offset/length of chunk in file */
+    hsize_t     chunk_idx;        /* Chunk index for EA, FA indexing */
 } H5D_piece_info_t;
 
 /* I/O info for a single dataset */
@@ -273,6 +279,15 @@ typedef struct H5D_dset_io_info_t {
     H5S_t *file_space; /* Pointer to the file dataspace */
     H5S_t *mem_space;  /* Pointer to the memory dataspace */
 
+    size_t                  num_sel_cache_chks;   /* Number of pieces found in cache */
+    size_t                  num_unsel_cache_chks; /* Number of pieces NOT found in cache */
+    size_t                  num_chks_to_load;     /* # of chunks not found in cache that needs to be loaded */
+    size_t                  num_ents_to_evict;    /* # of non selected cache entries to be evicted */
+    size_t                  free_cache_slots;   /* # of free slots in the cache */
+    size_t                  max_cache_chunks;   /* max # of chunks in the cache */
+    H5SL_t *chunks_to_load;                     /* Skip list containing information for chunks to load to cache */
+    H5SL_t *entries_to_evict;                   /* Skip list containing information for entries to evict from cache */
+
     union {
         struct H5D_chunk_map_t *chunk_map;         /* Chunk specific I/O info */
         H5D_piece_info_t       *contig_piece_info; /* Piece info for contiguous dataset */