Date: Fri, 04 May 2007 10:48:20 +0400 From: valiy <valiy-td@mail.ru> To: freebsd-hackers@freebsd.org Subject: FreeBSD 6.1 6.2 C++ stl set.clear() very slow Message-ID: <463AD734.5090000@mail.ru>
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test prog:
#include <set>
#include <stdlib.h>
#include <stdio.h>
#include <sys/time.h>
timeval bgn, end;
int main()
{
std::set<long long> s;
printf("filling\n");
gettimeofday(&bgn, NULL);
for (int i = 0; i < (1<<20); i++)
{
s.insert((rand() << 16) + rand());
}
gettimeofday(&end, NULL);
float t1 = float (end.tv_sec - bgn.tv_sec) + float (end.tv_usec -
bgn.tv_usec) / 1000000.0f;
printf("clearing\n");
gettimeofday(&bgn, NULL);
s.clear();
gettimeofday(&end, NULL);
float t2 = float (end.tv_sec - bgn.tv_sec) + float (end.tv_usec -
bgn.tv_usec) / 1000000.0f;
printf("done\n");
printf("alloc time %.3f\tclear time %.3f\n", t1, t2);
}
TEST1
FreeBSD idx 6.1-RELEASE-p10 FreeBSD 6.1-RELEASE-p10 #1: Wed Nov 8
18:59:20 UTC 2006 root@idx:/usr/src/sys/amd64/compile/SMP amd64
19:07:15 root@idx3 ~ $ g++ ./test_set.cpp
19:07:23 root@idx3 ~ $ ./a.out
filling
clearing
done
alloc time 1.938 clear time 15.290
dmesg:
Copyright (c) 1992-2006 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 6.1-RELEASE-p10 #1: Wed Nov 8 18:59:20 UTC 2006
root@idx3.mail.ru:/usr/src/sys/amd64/compile/SMP
ACPI APIC Table: <A M I OEMAPIC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Dual Core AMD Opteron(tm) Processor 275 (2200.01-MHz K8-class CPU)
Origin = "AuthenticAMD" Id = 0x20f12 Stepping = 2
Features=0x178bfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,MMX,FXSR,SSE,SSE2,HTT>
Features2=0x1<SSE3>
AMD Features=0xe2500800<SYSCALL,NX,MMX+,FFXSR,LM,3DNow+,3DNow>
AMD Features2=0x3<LAHF,CMP>
Cores per package:
2
real memory = 6979321856 (6656 MB)
avail memory = 6215618560 (5927 MB)
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
cpu0 (BSP): APIC ID:
0
cpu1 (AP): APIC ID: 1
cpu2 (AP): APIC ID: 2
cpu3 (AP): APIC ID: 3
ioapic0 <Version 1.1> irqs 0-23 on motherboard
ioapic1 <Version 1.1> irqs 24-47 on motherboard
kbd1 at kbdmux0
acpi0: <A M I OEMXSDT> on motherboard
acpi0: Power Button (fixed)
acpi0: reservation of dfefd000, 400 (3) failed
acpi0: reservation of dfefe000, 400 (3) failed
acpi0: reservation of dfeff000, 1000 (3) failed
Timecounter "ACPI-safe" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x4008-0x400b on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pci0: <memory> at device 0.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 1.0 on pci0
isa0: <ISA bus> on isab0
pci0: <serial bus, SMBus> at device 1.1 (no driver attached)
ohci0: <OHCI (generic) USB controller> mem 0xfe4fd000-0xfe4fdfff irq 20
at device 2.0 on pci0
ohci0: [GIANT-LOCKED]
usb0: OHCI version 1.0, legacy support
usb0: SMM does not respond, resetting
usb0: <OHCI (generic) USB controller> on ohci0
usb0: USB revision
1.0
uhub0: nVidia OHCI root hub, class 9/0, rev 1.00/1.00, addr 1
uhub0: 10 ports with 10 removable, self powered
ehci0: <NVIDIA nForce4 USB 2.0 controller> mem 0xfe4e0000-0xfe4e00ff irq
21 at device 2.1 on pci0
ehci0: [GIANT-LOCKED]
usb1: EHCI version 1.0
usb1: companion controller, 4 ports each: usb0
usb1: <NVIDIA nForce4 USB 2.0 controller> on ehci0
usb1: USB revision 2.0
uhub1: nVidia EHCI root hub, class 9/0, rev 2.00/1.00, addr 1
uhub1: 10 ports with 10 removable, self powered
atapci0: <nVidia nForce CK804 UDMA133 controller> port
0x1f0-0x1f7,0x3f6,0x170-0x177,0x376,0x3000-0x300f at device 6.0 on pci0
ata0: <ATA channel 0> on atapci0
ata1: <ATA channel 1> on atapci0
atapci1: <nVidia nForce CK804 SATA300 controller> port
0xcc00-0xcc07,0xc800-0xc803,0xc400-0xc407,0xc000-0xc003,0xbc00-0xbc0f
mem 0xfe4ff000-0xfe4fffff irq 22 at device 7.0 on pci0
ata2: <ATA channel 0> on atapci1
ata3: <ATA channel 1> on atapci1
atapci2: <nVidia nForce CK804 SATA300 controller> port
0xb800-0xb807,0xb400-0xb403,0xb000-0xb007,0xac00-0xac03,0xa800-0xa80f
mem 0xfe4fe000-0xfe4fefff irq 20 at device 8.0 on pci0
ata4: <ATA channel 0> on atapci2
ata5: <ATA channel 1> on atapci2
pcib1: <ACPI PCI-PCI bridge> at device 9.0 on pci0
pci5: <ACPI PCI bus> on pcib1
pci5: <display, VGA> at device 4.0 (no driver attached)
pcib2: <ACPI PCI-PCI bridge> at device 11.0 on pci0
pci4: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 12.0 on pci0
pci2: <ACPI PCI bus> on pcib3
bge0: <Broadcom BCM5721 Gigabit Ethernet, ASIC rev. 0x4101> mem
0xfc1f0000-0xfc1fffff irq 17 at device 0.0 on pci2
miibus0: <MII bus> on bge0
brgphy0: <BCM5750 10/100/1000baseTX PHY> on miibus0
brgphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bge0: Ethernet address: 00:30:48:57:59:70
pcib4: <ACPI PCI-PCI bridge> at device 13.0 on pci0
pci3: <ACPI PCI bus> on pcib4
bge1: <Broadcom BCM5721 Gigabit Ethernet, ASIC rev. 0x4101> mem
0xfc2f0000-0xfc2fffff irq 18 at device 0.0 on pci3
miibus1: <MII bus> on bge1
brgphy1: <BCM5750 10/100/1000baseTX PHY> on miibus1
brgphy1: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, 1000baseTX,
1000baseTX-FDX, auto
bge1: Ethernet address: 00:30:48:57:59:71
pcib5: <ACPI PCI-PCI bridge> at device 14.0 on pci0
pci1: <ACPI PCI bus> on pcib5
pcib6: <ACPI Host-PCI bridge> on acpi0
pci128: <ACPI PCI bus> on pcib6
pci128: <memory> at device 0.0 (no driver attached)
pci128: <memory> at device 1.0 (no driver attached)
atapci3: <nVidia nForce CK804 SATA300 controller> port
0xfc00-0xfc07,0xf800-0xf803,0xf400-0xf407,0xf000-0xf003,0xec00-0xec0f
mem 0xfe6ff000-0xfe6fffff irq 44 at device 7.0 on pci128
ata6: <ATA channel 0> on atapci3
ata7: <ATA channel 1> on atapci3
atapci4: <nVidia nForce CK804 SATA300 controller> port
0xe800-0xe807,0xe400-0xe403,0xe000-0xe007,0xdc00-0xdc03,0xd800-0xd80f
mem 0xfe6fe000-0xfe6fefff irq 45 at device 8.0 on pci128
ata8: <ATA channel 0> on atapci4
ata9: <ATA channel 1> on atapci4
pcib7: <ACPI PCI-PCI bridge> at device 13.0 on pci128
pci130: <ACPI PCI bus> on pcib7
pcib8: <ACPI PCI-PCI bridge> at device 14.0 on pci128
pci129: <ACPI PCI bus> on pcib8
acpi_button0: <Power Button> on acpi0
sio0: configured irq 4 not in bitmap of probed irqs 0
sio0: port may not be enabled
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
acpi0
sio0: type 16550A
sio1: configured irq 3 not in bitmap of probed irqs 0
sio1: port may not be enabled
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
fdc0: <floppy drive controller (FDE)> port 0x3f0-0x3f5,0x3f7 irq 6 drq 2
on acpi0
fdc0: [FAST]
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
ppc0: <Standard parallel printer port> port 0x378-0x37f irq 7 on acpi0
ppc0: Generic chipset (NIBBLE-only) in COMPATIBLE mode
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x60,0x64 irq 1 on acpi0
atkbd0: <AT Keyboard> flags 0x1 irq 1 on atkbdc0
kbd0 at atkbd0
atkbd0: [GIANT-LOCKED]
orm0: <ISA Option ROMs> at iomem
0xc0000-0xc7fff,0xc8000-0xc97ff,0xc9800-0xcafff on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 1.000 msec
module_register_init: MOD_LOAD (amr_linux, 0xffffffff80622180, 0) error 6
ipfw2 (+ipv6) initialized, divert loadable, rule-based forwarding
disabled, default to accept, logging disabled
acd0: CDROM <CD-224E-N/1.AA> at ata0-master UDMA33
ad4: 76319MB <Seagate ST380811AS 3.AAE> at ata2-master SATA300
ad8: 381554MB <Seagate ST3400620AS 3.AAD> at ata4-master SATA300
ad10: 381554MB <Seagate ST3400620AS 3.AAD> at ata5-master SATA300
ad12: 381554MB <Seagate ST3400620NS 3.AEE> at ata6-master SATA300
ad14: 381554MB <Seagate ST3400620AS 3.AAD> at ata7-master SATA300
ad16: 381554MB <WDC WD4000YR-01PLB0 01.06A01> at ata8-master SATA150
ad18: 381554MB <WDC WD4000YR-01PLB0 01.06A01> at ata9-master SATA150
SMP: AP CPU #1 Launched!
SMP: AP CPU #3 Launched!
SMP: AP CPU #2 Launched!
Trying to mount root from ufs:/dev/ad4s1a
bge0: link state changed to UP
TEST2
FreeBSD proton 5.5-RELEASE FreeBSD 5.5-RELEASE #0: Mon Jun 26 21:47:56
MSD 2006 root@proton:/usr/src/sys/i386/compile/PROTON i386
[root@proton ~]# g++ test_set.cpp
[root@proton ~]# ./a.out
filling
clearing
done
alloc time 2.529 clear time 5.685
dmesg
:kernel boot file is /boot/kernel/kernel
Copyright (c) 1992-2006 The FreeBSD Project.
Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, 1994
The Regents of the University of California. All rights reserved.
FreeBSD 5.5-RELEASE #0: Mon Jun 26 21:47:56 MSD 2006
root@proton:/usr/src/sys/i386/compile/PROTON
ACPI APIC Table: <PTLTD APIC >
Timecounter "i8254" frequency 1193182 Hz quality 0
CPU: Intel(R) Xeon(TM) CPU 2.80GHz (2800.12-MHz 686-class CPU)
Origin = "GenuineIntel" Id = 0xf43 Stepping = 3
Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE>
Hyperthreading: 2 logical CPUs
real memory = 7516192768 (7168 MB)
avail memory = 6290010112 (5998 MB)
FreeBSD/SMP: Multiprocessor System Detected: 4 CPUs
cpu0 (BSP): APIC ID: 0
cpu1 (AP): APIC ID: 1
cpu2 (AP): APIC ID: 6
cpu3 (AP): APIC ID: 7
ioapic0 <Version 2.0> irqs 0-23 on motherboard
ioapic1 <Version 2.0> irqs 24-47 on motherboard
ioapic2 <Version 2.0> irqs 48-71 on motherboard
acpi0: <PTLTD RSDT> on motherboard
acpi0: Power Button (fixed)
Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000
acpi_timer0: <24-bit timer at 3.579545MHz> port 0x1008-0x100b on acpi0
cpu0: <ACPI CPU> on acpi0
cpu1: <ACPI CPU> on acpi0
cpu2: <ACPI CPU> on acpi0
cpu3: <ACPI CPU> on acpi0
pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0
pci0: <ACPI PCI bus> on pcib0
pci0: <unknown> at device 0.1 (no driver attached)
pci0: <base peripheral> at device 1.0 (no driver attached)
pcib1: <ACPI PCI-PCI bridge> irq 16 at device 2.0 on pci0
pci1: <ACPI PCI bus> on pcib1
pcib2: <ACPI PCI-PCI bridge> irq 16 at device 3.0 on pci0
pci2: <ACPI PCI bus> on pcib2
pcib3: <ACPI PCI-PCI bridge> at device 0.0 on pci2
pci3: <ACPI PCI bus> on pcib3
ahd0: <Adaptec AIC7902 Ultra320 SCSI adapter> port
0x2000-0x20ff,0x2400-0x24ff mem 0xdd200000-0xdd201fff irq 32 at device
2.0 on pci3
aic7902: Ultra320 Wide Channel A, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs
ahd1: <Adaptec AIC7902 Ultra320 SCSI adapter> port
0x2800-0x28ff,0x2c00-0x2cff mem 0xdd202000-0xdd203fff irq 33 at device
2.1 on pci3
aic7902: Ultra320 Wide Channel B, SCSI Id=7, PCI-X 67-100Mhz, 512 SCBs
pci2: <base peripheral, interrupt controller> at device 0.1 (no driver
attached)
pcib4: <ACPI PCI-PCI bridge> at device 0.2 on pci2
pci4: <ACPI PCI bus> on pcib4
em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port
0x3000-0x303f mem 0xdd300000-0xdd31ffff irq 54 at device 2.0 on pci4
em0: Ethernet address: 00:30:48:2f:b0:e2
em1: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port
0x3040-0x307f mem 0xdd320000-0xdd33ffff irq 55 at device 2.1 on pci4
em1: Ethernet address: 00:30:48:2f:b0:e3
pci2: <base peripheral, interrupt controller> at device 0.3 (no driver
attached)
pcib5: <ACPI PCI-PCI bridge> irq 16 at device 4.0 on pci0
pci5: <ACPI PCI bus> on pcib5
pcib6: <ACPI PCI-PCI bridge> irq 16 at device 6.0 on pci0
pci6: <ACPI PCI bus> on pcib6
pci0: <serial bus, USB> at device 29.0 (no driver attached)
pci0: <serial bus, USB> at device 29.1 (no driver attached)
pci0: <serial bus, USB> at device 29.2 (no driver attached)
pci0: <serial bus, USB> at device 29.3 (no driver attached)
pci0: <serial bus, USB> at device 29.7 (no driver attached)
pcib7: <ACPI PCI-PCI bridge> at device 30.0 on pci0
pci7: <ACPI PCI bus> on pcib7
pci7: <display, VGA> at device 1.0 (no driver attached)
isab0: <PCI-ISA bridge> at device 31.0 on pci0
isa0: <ISA bus> on isab0
atapci0: <Intel ICH5 UDMA100 controller> port
0x14a0-0x14af,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0
ata0: channel #0 on atapci0
ata1: channel #1 on atapci0
pci0: <serial bus, SMBus> at device 31.3 (no driver attached)
acpi_button0: <Power Button> on acpi0
ppc0: <ECP parallel printer port> port 0x778-0x77f,0x378-0x37f irq 7 drq
1 on acpi0
ppc0: Generic chipset (ECP/PS2/NIBBLE) in COMPATIBLE mode
ppc0: FIFO with 16/16/8 bytes threshold
ppbus0: <Parallel port bus> on ppc0
plip0: <PLIP network interface> on ppbus0
lpt0: <Printer> on ppbus0
lpt0: Interrupt-driven port
ppi0: <Parallel I/O> on ppbus0
atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0
atkbd0: <AT Keyboard> irq 1 on atkbdc0
kbd0 at atkbd0
sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on
acpi0
sio0: type 16550A
sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0
sio1: type 16550A
fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0
fd0: <1440-KB 3.5" drive> on fdc0 drive 0
npx0: <math processor> on motherboard
npx0: INT 16 interface
orm0: <ISA Option ROMs> at iomem
0xc9000-0xd2fff,0xc8000-0xc8fff,0xc0000-0xc7fff on isa0
pmtimer0 on isa0
sc0: <System console> at flags 0x100 on isa0
sc0: VGA <16 virtual consoles, flags=0x300>
vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0
Timecounters tick every 10.000 msecda0: <FUJITSU MAT3073NC 0109> Fixed
Direct Access SCSI-3 device
da0: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
Queueing Enabled
da0: 70136MB (143638992 512 byte sectors: 255H 63S/T 8941C)
da1 at ahd0 bus 0 target 1 lun 0
da1: <FUJITSU MAW3300NC 0104> Fixed Direct Access SCSI-3 device
da1: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
Queueing Enabled
da1: 286102MB (585937500 512 byte sectors: 255H 63S/T 36472C)
da2 at ahd0 bus 0 target 2 lun 0
da2: <FUJITSU MAW3300NC 0104> Fixed Direct Access SCSI-3 device
da2: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
Queueing Enabled
da2: 286102MB (585937500 512 byte sectors: 255H 63S/T 36472C)
da3 at ahd1 bus 0 target 0 lun 0
da3: <MAXTOR ATLAS15K2_36SCA JNZH> Fixed Direct Access SCSI-3 device
da3: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
Queueing Enabled
da3: 35074MB (71833096 512 byte sectors: 255H 63S/T 4471C)
da4 at ahd1 bus 0 target 1 lun 0
da4: <FUJITSU MAW3300NC 0104> Fixed Direct Access SCSI-3 device
da4: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
Queueing Enabled
da4: 286102MB (585937500 512 byte sectors: 255H 63S/T 36472C)
da5 at ahd1 bus 0 target 2 lun 0
da5: <FUJITSU MAU3036NC 0105> Fixed Direct Access SCSI-3 device
da5: 320.000MB/s transfers (160.000MHz, offset 127, 16bit), Tagged
Queueing Enabled
da5: 35068MB (71819496 512 byte sectors: 255H 63S/T 4470C)
SMP: AP CPU #3 Launched!
SMP: AP CPU #1 Launched!
SMP: AP CPU #2 Launched!
ipfw2 initialized, divert disabled, rule-based forwarding disabled,
default to accept, logging disabled
Waiting 15 seconds for SCSI devices to settle
da0 at ahd0 bus 0 target 0 lun 0
da0: <FUJITSU MAT3073NC 0109> Fixed Direct Access SCSI-3 device
TEST3:
FreeBSD hotdog 4.9-RELEASE FreeBSD 4.9-RELEASE #3: Fri Jul 1 19:35:10
MSD 2005 root@hotdog:/usr/src/sys/compile/HOTDOG i386
19:18 root@puma vvolodin $ ./a.out
filling
clearing
done
alloc time 4.001 clear time 0.305
pentium3 2x700MHz
how to fix?
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