163 lines
6.8 KiB
Plaintext
163 lines
6.8 KiB
Plaintext
Collect a number of different binaries compiled with different options,
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all based on 1.2.pre1. Develop some process, such as booting linux,
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compressing some big file, and then rebooting that takes a while.
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Time how long each binary takes to execute that task.
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Problems with reboot!
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1.2.pre1 didn't actually do reboot right!!!!!!!!!
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what a pain, all these binaries are compiled by hand.
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Maybe I can make a script to compile them all again.
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patch -p0 <<EOF
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wefji
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wefj
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EOF
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rm main.cc; cvs upd main.cc
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etc.
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bochs000: 1.2, no args
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bochs001: 1.2, no args, change CPU SMF=0
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bochs002: 1.2, no args, change all SMFs=0
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bochs004: 1.2, --with-nogui
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bochs005: 1.2, --enable-debugger
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bochs006: 1.2, --enable-cdrom --enable-sb16=linux --enable-debugger
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bochs007: 1.2, NO_LOGGING defined in bochs.h
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bocsh008: 1.2, no compile args
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bocsh008a: 1.2, -O2 -fomit-frame-pointer
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bocsh008b: 1.2, -O6 -fomit-frame-pointer
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bochs010: 1.2, --enable-processors=2
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bochs011: 1.2, --enable-processors=2 --enable-debugger
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bochs015: 1.2, --enable-processors=4
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bochs016: 1.2, --enable-processors=4 --enable-debugger
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bochs020: 1.1.2, no args
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bochs021: 1.1.2, --enable-debugger
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bochs030: 3/25/2000, --enable-fpu
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bochs031: 3/25/2000, --enable-fpu --enable-debugger
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First Results
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bochs000 22.26user 0.33system 0:23.70elapsed
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bochs001 21.44user 0.26system 0:22.09elapsed
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bochs002 21.90user 0.21system 0:22.42elapsed
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bochs004 21.49user 0.23system 0:21.86elapsed
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bochs005 21.63user 0.29system 0:22.25elapsed
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bochs006 30.05user 0.33system 0:30.99elapsed
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bochs007 21.38user 0.23system 0:21.95elapsed
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bochs008 34.15user 0.32system 0:34.85elapsed
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bochs008a 21.07user 0.24system 0:21.69elapsed
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bochs008b 21.50user 0.33system 0:22.13elapsed
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bochs010 23.51user 0.36system 0:24.19elapsed
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bochs011 31.10user 0.38system 0:31.86elapsed
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bochs015 26.82user 0.24system 0:27.43elapsed
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bochs020 23.59user 0.44system 0:26.18elapsed
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bochs021 29.27user 0.45system 0:30.29elapsed
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bochs030 17.55user 0.33system 0:18.17elapsed
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bochs031 21.69user 0.33system 0:22.49elapsed
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../bochs000 21.76user 0.26system 0:22.28elapsed
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../bochs001 21.41user 0.26system 0:21.89elapsed
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../bochs002 21.91user 0.26system 0:22.35elapsed
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../bochs004 21.49user 0.21system 0:21.88elapsed
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../bochs005 21.70user 0.35system 0:22.44elapsed
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../bochs006 29.99user 0.51system 0:31.17elapsed
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../bochs007 21.29user 0.27system 0:21.96elapsed
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../bochs008 34.32user 0.29system 0:34.95elapsed
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../bochs008a 21.13user 0.25system 0:21.73elapsed
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../bochs008b 21.66user 0.29system 0:22.28elapsed
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../bochs010 23.69user 0.29system 0:24.25elapsed
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../bochs011 31.18user 0.50system 0:32.03elapsed
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../bochs015 27.21user 0.27system 0:27.82elapsed
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../bochs016 35.36user 0.44system 0:36.15elapsed
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../bochs020 21.82user 0.31system 0:22.45elapsed
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../bochs021 29.34user 0.44system 0:30.13elapsed
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../bochs030 17.69user 0.25system 0:18.27elapsed
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../bochs031 21.80user 0.29system 0:22.58elapsed
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Results from a short Linux-x86 test:
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% performance
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compared to
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name seconds 3/25/2000 What is it
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../bochs000 22.28 82.00 1.2: no args
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../bochs001 21.89 83.46 1.2: turn off SMF for CPU only, improvement
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../bochs002 22.35 81.74 1.2: turn off SMF for all, reduction!!
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../bochs004 21.88 83.50 1.2: nogui
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../bochs005 22.44 81.41 1.2: debugger
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../bochs006 32.58 56.08 1.2: cdrom, sb16, debugger
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../bochs006a 22.80 80.13 1.2: cdrom
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../bochs006b 23.03 79.33 1.2: sb16
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../bochs006c 23.49 77.78 1.2: cdrom, sb16
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../bochs006d 22.59 80.87 1.2: none
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../bochs006e 31.21 58.53 1.2: cdrom, debugger
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../bochs006f 30.73 59.45 1.2: sb16, debugger
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../bochs007 21.96 83.19 1.2: no logging helped a tiny bit
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../bochs008 34.95 52.27 1.2: without optimization, bad
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../bochs008a 21.73 84.07 1.2: -O2 without -g good
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../bochs008b 22.28 82.00 1.2: -O6 didn't help a bit
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../bochs010 24.25 75.34 1.2: 2 processors
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../bochs011 32.03 57.04 1.2: 2 processors + debugger
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../bochs015 27.82 65.67 1.2: 4 processors
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../bochs016 36.15 50.53 1.2: 4 processors + debugger
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../bochs020 17.94 101.84 1.1.2: no args
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../bochs021 22.44 81.42 1.1.2: debugger
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../bochs030 18.27 100.00 3/25: no args
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../bochs031 22.58 80.91 3/25: debugger
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../bochs091 20.91 87.37 cvs, never exit cpu_loop
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../bochs092 19.03 96.01 cvs, use bx_mem and bx_cpu instead of array
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../bochs093 19.12 95.55 use bx_mem and bx_cpu instead of array
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../bochs094 27.63 66.12 use bx_mem and bx_cpu instead of array, 4proc
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Result from a longer Linux-alpha test.
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Workload:
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boot DLX linux
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find / > /dev/null
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cd /
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tar czvf - `find etc var lib` > /dev/null
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reboot
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Performance
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relative to
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Binary Seconds 1.1.2 Description
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-------- ------ ------- ----------------------------------
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bochs000 490.10 85.23% 1.2: no args
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bochs001 467.61 89.33% 1.2: turn off SMF for CPU only (WHY BETTER!?)
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bochs002 527.61 79.17% 1.2: turn off SMF for all
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bochs004 472.87 88.34% 1.2: --with-nogui
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bochs005 650.44 64.23% 1.2: debugger
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bochs006 660.06 63.29% 1.2: cdrom, sb16, debugger
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bochs006a 486.59 85.85% 1.2: cdrom
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bochs006b 487.76 85.65% 1.2: sb16=linux
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bochs006c 497.91 83.90% 1.2: cdrom, sb16=linux
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bochs006d 493.88 84.58% 1.2: none, same as bochs000
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bochs006e 691.04 60.45% 1.2: cdrom, debugger
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bochs006f 648.44 64.42% 1.2: sb16=linux, debugger
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bochs007 466.31 89.58% 1.2: compiled out log code, helped a tiny bit
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bochs008 947.19 44.10% 1.2: CFLAGS="", no optimization, bad
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bochs008a 488.01 85.60% 1.2: -O2 without -g
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bochs008b 500.74 83.42% 1.2: -O6 didn't help a bit
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bochs010 499.31 83.66% 1.2: 2 processors
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bochs011 662.13 63.09% 1.2: 2 processors + debugger
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bochs015 554.39 75.35% 1.2: 4 processors
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bochs016 693.52 60.23% 1.2: 4 processors + debugger
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bochs020 417.76 100.00% 1.1.2: with no args
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bochs021 552.67 75.58% 1.1.2: --enable-debugger
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bochs040 396.59 105.33% no-cpu-array: no args
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bochs040 404.18 103.36% no-cpu-array: no args
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bochs041 464.13 90.01% no-cpu-array: disable SMF in CPU only
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bochs041 475.07 87.94% no-cpu-array: disable SMF in CPU only
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bochs042 431.51 96.81% no-cpu-array: disable SMF in all but CPU
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bochs042 438.55 95.26% no-cpu-array: disable SMF in all but CPU
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bochs043 435.83 95.85% no-cpu-array: disable all SMF
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bochs043 438.05 95.37% no-cpu-array: disable all SMF
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bochs045 491.15 85.06% no-cpu-array: 2 processors
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bochs046 673.29 62.05% no-cpu-array: 2 processors + debugger
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bochs047 576.93 72.41% no-cpu-array: 4 processors
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bochs048 679.53 61.48% no-cpu-array: 4 processors + debugger
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bochs091 450.86 92.65% cvs: stay-in-cpu-loop-for-1proc
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bochs092 417.04 100.17% cvs: no-cpu-array-for-1proc (CURRENT)
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