X-Git-Url: http://mj.ucw.cz/gitweb/?a=blobdiff_plain;f=lib%2Fsorter%2Fcommon.h;h=504afda19090884f685cb699658c3199bb3cf790;hb=969ce845f3bf35bb7423bac705d46196bb863e72;hp=5e71be66e0f18cfb316660237f411ee01b26bb9a;hpb=557dc31fa097cfe3b8fdbc087e27da6db7317819;p=libucw.git

diff --git a/lib/sorter/common.h b/lib/sorter/common.h
index 5e71be66..504afda1 100644
--- a/lib/sorter/common.h
+++ b/lib/sorter/common.h
@@ -14,7 +14,7 @@
 
 /* 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;
 
 #define SORT_TRACE(x...) do { if (sorter_trace) log(L_DEBUG, x); } while(0)
@@ -24,6 +24,7 @@ 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;
@@ -40,16 +41,27 @@ struct sort_context {
   size_t big_buf_size, big_buf_half_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;
 };
 
 void sorter_run(struct sort_context *ctx);
@@ -57,6 +69,7 @@ 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);
 
@@ -92,9 +105,6 @@ 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