X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fsorter%2Fcommon.h;h=92423046d4f62bf7dbfc0ef61c17b1e6220ec97d;hb=a5ff98a53789157a6c96e58b2385bb898d688a22;hp=b4b24ab865af01890d71552d368f702a47750389;hpb=14e105850c5d3451a44fc50f2814683c0df3ae1b;p=libucw.git diff --git a/lib/sorter/common.h b/lib/sorter/common.h index b4b24ab8..92423046 100644 --- a/lib/sorter/common.h +++ b/lib/sorter/common.h @@ -13,10 +13,13 @@ #include "lib/clists.h" /* Configuration, some of the variables are used by the old sorter, too. */ -extern uns sorter_trace, sorter_presort_bufsize, sorter_stream_bufsize; -extern uns sorter_debug, sorter_min_radix_bits, sorter_max_radix_bits; -extern u64 sorter_bufsize; -extern struct fb_params sorter_fb_params; +extern uns sorter_trace, sorter_stream_bufsize; +extern uns sorter_debug, sorter_min_radix_bits, sorter_max_radix_bits, sorter_add_radix_bits; +extern uns sorter_min_multiway_bits, sorter_max_multiway_bits; +extern uns sorter_threads, sorter_thread_threshold, sorter_thread_chunk; +extern uns sorter_radix_threshold; +extern u64 sorter_bufsize, sorter_small_input; +extern struct fb_params sorter_fb_params, sorter_small_fb_params; #define SORT_TRACE(x...) do { if (sorter_trace) msg(L_DEBUG, x); } while(0) #define SORT_XTRACE(level, x...) do { if (sorter_trace >= level) msg(L_DEBUG, x); } while(0) @@ -27,6 +30,8 @@ enum sort_debug { 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; @@ -36,6 +41,7 @@ struct sort_context { struct fastbuf *out_fb; uns hash_bits; u64 in_size; + struct fb_params *fb_params; struct mempool *pool; clist bucket_list; @@ -113,4 +119,28 @@ struct fastbuf *sbuck_read(struct sort_bucket *b); 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 the 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; + struct eltpool *eltpool; +}; + +void asort_run(struct asort_context *ctx); +void asort_start_threads(uns run); +void asort_stop_threads(void); + #endif