Machines used for testing

Server:
  • spud2.woodstock.clarkson.edu
  • AMD Athlon 800 MHz processor
  • 256 MB of RAM
  • 100 Mb Ethernet Card
  • Redhat Linux 7.2 
    Linux version 2.4.7-10 (bhcompile@stripples.devel.redhat.com) (gcc version 2.96 20000731 (Red Hat Linux 7.1 2.96-98)) #1 Thu Sep 6 16:46:36 EDT 2001

processor       : 0
vendor_id       : AuthenticAMD
cpu family      : 6
model           : 4
model name      : AMD Athlon(tm) Processor
stepping        : 2
cpu MHz         : 800.056
cache size      : 256 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 1
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 mmx fxsr syscall mmxext 3dnowext 3dnow
bogomips        : 1595.80
    Client:
  • popcorn.riverside.clarkson.edu
  • Intel Pentium II
  • 224 MB of RAM
  • 100 Mb Ethernet Card
  • Redhat Linux 7.0 
    Linux version 2.2.16-22 (root@porky.devel.redhat.com) (gcc version egcs-2.91.66
19990314/Linux (egcs-1.1.2 release)) #1 Tue Aug 22 16:49:06 EDT 2000

processor       : 0
vendor_id       : GenuineIntel
cpu family      : 6
model           : 5
model name      : Pentium II (Deschutes)
stepping        : 1
cpu MHz         : 398.273
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
sep_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36
mmx fxsr
bogomips        : 794.62

    Scripts Used for testing

    Client Test Script

    #!/usr/bin/perl

@threadnums = (1,2,4,8,16,32);
@loopnums = (1,100,1000,10000,100000,500000);
$base   = 10010;
$checks = 10000;
$ip="127.1";

foreach $threadnum (@threadnums)
{
    foreach $loopnum (@loopnums)
    {
        for($i=0;$i<($threadnum *2) -1;$i++)
        {
            print("./client $ip $base &\n");
            system("./client $ip $base &");
        }
        printf("./client $ip $base\n");
        system("./client $ip $base");
        sleep(5);
        $base++;
    }
}

    Server Test Script

    #!/usr/bin/perl


@threadnums = (1,2,4,8,16,32);
@loopnums = (1,100,1000,10000,100000,500000);
$base   = 10010;
$checks = 10000;
unlink("thread.results");
foreach $threadnum (@threadnums)
{
    foreach $loopnum (@loopnums)
    {
        $temp = int($checks / $loopnum) + 200;
        print("./server $base $threadnum $loopnum $temp  >> thread.results\n");
        system("./server $base $threadnum $loopnum $temp >> thread.results");
        $base++;
    }
}

    Results of Testing

    Loops:      1  Threads:  1 Dispatches/sec:    526.660
Loops:    100  Threads:  1 Dispatches/sec:    533.225
Loops:   1000  Threads:  1 Dispatches/sec:    267.247
Loops:  10000  Threads:  1 Dispatches/sec:     55.794
Loops: 100000  Threads:  1 Dispatches/sec:      6.596
Loops: 500000  Threads:  1 Dispatches/sec:      1.325
Loops:      1  Threads:  2 Dispatches/sec:    666.329
Loops:    100  Threads:  2 Dispatches/sec:     16.175
Loops:   1000  Threads:  2 Dispatches/sec:    247.148
Loops:  10000  Threads:  2 Dispatches/sec:     64.766
Loops: 100000  Threads:  2 Dispatches/sec:      6.664
Loops: 500000  Threads:  2 Dispatches/sec:      1.328
Loops:      1  Threads:  4 Dispatches/sec:    575.043
Loops:    100  Threads:  4 Dispatches/sec:    966.688
Loops:   1000  Threads:  4 Dispatches/sec:    381.330
Loops:  10000  Threads:  4 Dispatches/sec:     65.346
Loops: 100000  Threads:  4 Dispatches/sec:      6.775
Loops: 500000  Threads:  4 Dispatches/sec:      1.375
Loops:      1  Threads:  8 Dispatches/sec:    616.021
Loops:    100  Threads:  8 Dispatches/sec:    339.300
Loops:   1000  Threads:  8 Dispatches/sec:    304.173
Loops:  10000  Threads:  8 Dispatches/sec:     67.703
Loops: 100000  Threads:  8 Dispatches/sec:      6.781
Loops: 500000  Threads:  8 Dispatches/sec:      1.433
Loops:      1  Threads: 16 Dispatches/sec:    617.017
Loops:    100  Threads: 16 Dispatches/sec:    496.465
Loops:   1000  Threads: 16 Dispatches/sec:    346.666
Loops:  10000  Threads: 16 Dispatches/sec:     61.634
Loops: 100000  Threads: 16 Dispatches/sec:      6.854
Loops: 500000  Threads: 16 Dispatches/sec:      1.505
Loops:      1  Threads: 32 Dispatches/sec:   1053.896
Loops:    100  Threads: 32 Dispatches/sec:    381.208
Loops:   1000  Threads: 32 Dispatches/sec:    313.846
Loops:  10000  Threads: 32 Dispatches/sec:     89.955
Loops: 100000  Threads: 32 Dispatches/sec:      8.458
Loops: 500000  Threads: 32 Dispatches/sec:      2.130

    Source Code

  • threadpool.tar.gz
  • code/