Subject: Re: -m486
To: Michael Graff <explorer@flame.org>
From: Randy Terbush <randy@zyzzyva.com>
List: port-i386
Date: 12/16/1995 16:27:39
Understanding that this is not in the format requested by the
HINT developers, here are some quick results.

Hardware:
CPU -     Pentium 133mhz
RAM -     32MB
MB -      Tyan 1462
Cache -   512KB
Compiler - GCC 2.7.2


HINT results:

======================================================================
Compile options: -m486 -malign-double -O3
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS

Finished with 2666929.726708 net QUIPs


======================================================================
Compile options: -malign-double -O3
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS

Finished with 2505815.283145 net QUIPs

======================================================================
Compile options: -m486 -O3
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS

Finished with 2739739.343459 net QUIPs

======================================================================
Compile options: -O3
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS
#
Finished with 2720781.249888 net QUIPs

======================================================================
Compile options: -m486 -malign-double -O2
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS
#
Finished with 2703158.807364 net QUIPs

======================================================================
Compile options: -malign-double -O2
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS

Finished with 2512133.617993 net QUIPs

======================================================================
Compile options: -O2 -m486
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS

Finished with 2716296.803948 net QUIPs

======================================================================
Compile options: -O2
________________________________________________________
Apparent number of bits of accuracy: 53
Maximum associative whole number:    9007199254740991
Maximum number of bits of index:     30
Maximum representable index:         1073741824

Index-limited data accuracy:         53 bits
Maximum usable whole number:         9007199254740991
Grid: 67108864 wide by 134217728 high.
Memory is not sufficient for > 0.5 second runs.
..................................................
This run was memory limited at 123202 subintervals -> 8220660 bytes

Done with first pass. Now computing net QUIPS
#
Finished with 2722566.843505 net QUIPs