Date: Sat, 20 Jan 1996 23:07:09 -0500 (EST) From: "Jonathan M. Bresler" <jmb@FreeBSD.ORG> To: freebsd-hardware@FreeBSD.ORG Cc: freebsd-hackers@FreeBSD.ORG Subject: 8MB to 16MB, 11% faster kernel compiles Message-ID: <Pine.BSF.3.91.960120230245.1841A-100000@Aspen.Woc.Atinc.COM>
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just upgraded my 486dx2-66 from 8MB to 16MB.
the quick result is my kernel compiles in 850 secs in place of 950 ;)
long results follow at the end
Jonathan M. Bresler FreeBSD Postmaster jmb@FreeBSD.ORG
play go. ride bike. hack FreeBSD.--ah the good life
i am moving to a new job. PLEASE USE: jmb@FreeBSD.ORG
With 8 MB of RAM, immediately after a reboot.
X running
Rebooting...
FreeBSD 2.1-STABLE #1: Wed Jan 10 21:21:24 EST 1996
jmb@Aspen.Woc.Atinc.COM:/home/sup/src/sys/compile/ASPEN
CPU: i486DX (486-class CPU)
real memory = 8388608 (8192K bytes)
avail memory = 6893568 (6732K bytes)
cd /sys/compile/ASPEN
/usr/bin/time -l make
[snip]
loading kernel
rearranging symbols
text data bss dec hex
651264 53248 48552 753064 b7da8
950.92 real 678.21 user 72.59 sys
3428 maximum resident set size
1007 average shared memory size
1022 average unshared data size
164 average unshared stack size
199187 page reclaims
1847 page faults
19 swaps
6666 block input operations
5167 block output operations
12 messages sent
28 messages received
0 signals received
12756 voluntary context switches
12204 involuntary context switches
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Rebooting...
FreeBSD 2.1-STABLE #1: Wed Jan 10 21:21:24 EST 1996
jmb@Aspen.Woc.Atinc.COM:/home/sup/src/sys/compile/ASPEN
CPU: i486DX (486-class CPU)
real memory = 16777216 (16384K bytes)
avail memory = 15077376 (14724K bytes)
cd /sys/compile/ASPEN
/usr/bin/time -l make
[snip]
loading kernel
rearranging symbols
text data bss dec hex
651264 53248 48552 753064 b7da8
848.96 real 676.67 user 69.52 sys
3536 maximum resident set size
1011 average shared memory size
1021 average unshared data size
164 average unshared stack size
196239 page reclaims
88 page faults
0 swaps
1762 block input operations
4409 block output operations
12 messages sent
28 messages received
0 signals received
6451 voluntary context switches
16066 involuntary context switches
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
#
# ASPEN
#
#
machine "i386"
cpu "I486_CPU"
ident ASPEN
maxusers 10
options INET #InterNETworking
options FFS #Berkeley Fast Filesystem
options PROCFS #Process filesystem
options MSDOSFS #MSDOS Filesystem
options "CD9660" #ISO 9660 Filesystem
options UCONSOLE #X Console support
options "FAT_CURSOR" #block cursor in syscons or pccons
# options "SCSI_DELAY=15" #Be pessimistic about Joe SCSI device
options "NCONS=4" #4 virtual consoles
options USERCONFIG #Allow user configuration with -c
options "COMPAT_43" #Compatible with BSD 4.3
# options BOUNCE_BUFFERS #include support for DMA bounce buffers
options PROBE_VERBOSE #get all pci bus data
options COMPAT_LINUX
options SYSVSHM
options SYSVSEM
options SYSVMSG
options "IBCS2"
# options MAXMEM=<kB of memory>
config kernel root on sd1 swap on sd1 and sd0 dumps on sd1
controller isa0
controller pci0
controller fdc0 at isa? port "IO_FD1" bio irq 6 drq 2 vector fdintr
disk fd0 at fdc0 drive 0
# tape ft0 at fdc0 drive 2
controller wdc0 at isa? port "IO_WD1" bio irq 14 vector wdintr
disk wd0 at wdc0 drive 0
disk wd1 at wdc0 drive 1
controller ncr0 #Only need one of these, the memory allocation grows
controller scbus0
device sd0
device sd1
device sd2
device sd3
device st0
device st1
device cd0 #Only need one of these, the code dynamically grows
device sc0 at isa? port "IO_KBD" tty irq 1 vector scintr
device npx0 at isa? port "IO_NPX" irq 13 vector npxintr
device sio0 at isa? port "IO_COM1" tty irq 4 vector siointr
device sio1 at isa? port "IO_COM2" tty irq 3 vector siointr
device sio2 at isa? port "IO_COM3" tty irq 5 vector siointr
device sio3 at isa? port "IO_COM4" tty irq 9 vector siointr
device lpt0 at isa? port? tty irq 7 vector lptintr
device lpt1 at isa? port? tty
device ep0 at isa? port 0x300 net irq 10 vector epintr
pseudo-device loop
pseudo-device ether
pseudo-device log
pseudo-device sl 2
#
# ijppp uses tun instead of ppp device
#
pseudo-device tun 2
pseudo-device pty 16
pseudo-device speaker
pseudo-device gzip # Exec gzipped a.out's
pseudo-device bpfilter 4
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