Technical data

v
4. System Functions and Subroutines 55
Library Functions 55
Intrinsic Subroutine Extensions 63
DATE 64
IDATE 65
ERRSNS 65
EXIT 66
TIME 66
MVBITS 66
Function Extensions 67
SECNDS 68
RAN 68
5. Fortran Enhancements for Multiprocessors 69
Overview 70
Parallel Loops 70
Writing Parallel Fortran 71
C$DOACROSS 71
C$& 77
C$ 77
C$MP_SCHEDTYPE, C$CHUNK 78
Nesting C$DOACROSS 78
Parallel Blocks 79
Analyzing Data Dependencies for Multiprocessing 79
Breaking Data Dependencies 85
Work Quantum 90
Cache Effects 93
Load Balancing 95