X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fsorter%2Fcommon.h;h=60c6db98ceb8c63185df0922b25faacbedede4fd;hb=1386442ebc5b681b0ded431880198e3beb6da483;hp=bd5ed9653f26b4d9f73e8bdfbf872cad831dc049;hpb=2ee3df97a48340eea72f09c118c03c1e6d2d436c;p=libucw.git diff --git a/lib/sorter/common.h b/lib/sorter/common.h index bd5ed965..60c6db98 100644 --- a/lib/sorter/common.h +++ b/lib/sorter/common.h @@ -14,8 +14,9 @@ /* 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; +extern uns sorter_debug, sorter_min_radix_bits, sorter_max_radix_bits; extern u64 sorter_bufsize; +extern struct fb_params sorter_fb_params; #define SORT_TRACE(x...) do { if (sorter_trace) log(L_DEBUG, x); } while(0) #define SORT_XTRACE(level, x...) do { if (sorter_trace >= level) log(L_DEBUG, x); } while(0) @@ -24,6 +25,7 @@ enum sort_debug { SORT_DEBUG_NO_PRESORT = 1, SORT_DEBUG_NO_JOIN = 2, SORT_DEBUG_KEEP_BUCKETS = 4, + SORT_DEBUG_NO_RADIX = 8, }; struct sort_bucket; @@ -36,23 +38,33 @@ struct sort_context { struct mempool *pool; clist bucket_list; - void *big_buf, *big_buf_half; - size_t big_buf_size, big_buf_half_size; + void *big_buf; + size_t big_buf_size; int (*custom_presort)(struct fastbuf *dest, void *buf, size_t bufsize); + // Take as much as possible from the source bucket, sort it in memory and dump to destination bucket. // Return 1 if there is more data available in the source bucket. int (*internal_sort)(struct sort_context *ctx, struct sort_bucket *in, struct sort_bucket *out, struct sort_bucket *out_only); + + // Estimate how much input data from `b' will fit in the internal sorting buffer. + u64 (*internal_estimate)(struct sort_context *ctx, struct sort_bucket *b); + // Two-way split/merge: merge up to 2 source buckets to up to 2 destination buckets. // Bucket arrays are NULL-terminated. void (*twoway_merge)(struct sort_context *ctx, struct sort_bucket **ins, struct sort_bucket **outs); + // Radix split according to hash function + void (*radix_split)(struct sort_context *ctx, struct sort_bucket *in, struct sort_bucket **outs, uns bitpos, uns numbits); + // State variables of internal_sort void *key_buf; int more_keys; // Timing - u64 start_time; + timestamp_t start_time; + uns last_pass_time; + uns total_int_time, total_pre_time, total_ext_time; }; void sorter_run(struct sort_context *ctx); @@ -60,6 +72,7 @@ void sorter_run(struct sort_context *ctx); /* Buffers */ void *sorter_alloc(struct sort_context *ctx, uns size); +void sorter_prepare_buf(struct sort_context *ctx); void sorter_alloc_buf(struct sort_context *ctx); void sorter_free_buf(struct sort_context *ctx); @@ -95,9 +108,6 @@ sh_off_t sbuck_size(struct sort_bucket *b); struct fastbuf *sbuck_read(struct sort_bucket *b); struct fastbuf *sbuck_write(struct sort_bucket *b); void sbuck_swap_out(struct sort_bucket *b); - -#define F_SIZE(x) ({ byte buf[16]; format_size(buf, x); buf; }) -#define F_BSIZE(b) F_SIZE(sbuck_size(b)) void format_size(byte *buf, u64 x); #endif