extern uns sorter_trace, sorter_presort_bufsize, sorter_stream_bufsize;
extern uns sorter_debug, sorter_min_radix_bits, sorter_max_radix_bits;
extern uns sorter_min_multiway_bits, sorter_max_multiway_bits;
+extern uns sorter_threads, sorter_thread_threshold;
extern u64 sorter_bufsize;
extern struct fb_params sorter_fb_params;
SORT_DEBUG_KEEP_BUCKETS = 4,
SORT_DEBUG_NO_RADIX = 8,
SORT_DEBUG_NO_MULTIWAY = 16,
+ SORT_DEBUG_ASORT_NO_RADIX = 32,
+ SORT_DEBUG_ASORT_NO_THREADS = 64
};
struct sort_bucket;
struct fastbuf *sbuck_write(struct sort_bucket *b);
void sbuck_swap_out(struct sort_bucket *b);
+/* Contexts and helper functions for the array sorter */
+
+struct asort_context {
+ void *array; // Array to sort
+ void *buffer; // Auxiliary buffer (required when radix-sorting)
+ uns num_elts; // Number of elements in the array
+ uns elt_size; // Bytes per element
+ uns hash_bits; // Remaining bits of hash function
+ uns radix_bits; // How many bits to process in a single radix-sort pass
+ void (*quicksort)(void *array_ptr, uns num_elts);
+ void (*quicksplit)(void *array_ptr, uns num_elts, int *leftp, int *rightp);
+ void (*radix_count)(void *src_ptr, uns num_elts, uns *cnt, uns shift);
+ void (*radix_split)(void *src_ptr, void *dest_ptr, uns num_elts, uns *ptrs, uns shift);
+
+ // Used internally by array.c
+ struct rs_work **rs_works;
+ struct work_queue *rs_work_queue;
+ clist rs_bits;
+ struct eltpool *eltpool;
+};
+
+void asort_run(struct asort_context *ctx);
+void asort_start_threads(uns run);
+void asort_stop_threads(void);
+
#endif