prj_params.h File Reference

Constant parameters used by Parallel Radix Join implementations. More...

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Macros
#define	NUM_RADIX_BITS   18
#define	NUM_PASSES   2
#define	PROBE_BUFFER_SIZE   4
#define	CACHE_LINE_SIZE   64
#define	L1_CACHE_SIZE   32768
#define	L1_ASSOCIATIVITY   8
#define	L1_CACHE_TUPLES   (L1_CACHE_SIZE/sizeof(tuple_t))
#define	THRESHOLD1(NTHR)   (NTHR*L1_CACHE_TUPLES)
#define	THRESHOLD2(NTHR)   (NTHR*NTHR*L1_CACHE_TUPLES)
#define	PASS1RADIXBITS   (NUM_RADIX_BITS/NUM_PASSES)
#define	PASS2RADIXBITS   (NUM_RADIX_BITS-(NUM_RADIX_BITS/NUM_PASSES))
#define	FANOUT_PASS1   (1 << (NUM_RADIX_BITS/NUM_PASSES))
#define	FANOUT_PASS2   (1 << (NUM_RADIX_BITS-(NUM_RADIX_BITS/NUM_PASSES)))
#define	SMALL_PADDING_TUPLES   (3 * CACHE_LINE_SIZE/sizeof(tuple_t))
#define	PADDING_TUPLES   (SMALL_PADDING_TUPLES*(FANOUT_PASS2+1))
#define	RELATION_PADDING   (PADDING_TUPLES*FANOUT_PASS1*sizeof(tuple_t))

Detailed Description

Constant parameters used by Parallel Radix Join implementations.

Author

Cagri Balkesen cagri.nosp@m..bal.nosp@m.kesen.nosp@m.@inf.nosp@m..ethz.nosp@m..ch

Date

Tue May 22 14:03:52 2012

Version

Id

prj_params.h 4548 2013-12-07 16:05:16Z bcagri

Definition in file prj_params.h.

Macro Definition Documentation

NUM_PASSES

#define NUM_PASSES   2

number of passes in multipass partitioning, currently fixed at 2.

Definition at line 21 of file prj_params.h.

NUM_RADIX_BITS

#define NUM_RADIX_BITS   18

number of total radix bits used for partitioning.

Definition at line 16 of file prj_params.h.

PROBE_BUFFER_SIZE

#define PROBE_BUFFER_SIZE   4

number of probe items for prefetching: must be a power of 2

Definition at line 26 of file prj_params.h.