见识一下超级计算机

今天有两个朋友上我这儿来吃晚饭，其中一位在德国的马普所做博士，研究生物和力学的边沿性学科。他们经常要做大量的计算，这就离不开超级计算机。吃完饭让他远程登录位于慕尼黑Garcing的马普所的计算机中心的电脑上，看了一眼他们计算用的IBM的Power PC，见识了一下，下面是用llq命令查看的结果：

Name                 MaxJobCPU     MaxProcCPU  Free   Max  Description
                    d+hh:mm:ss     d+hh:mm:ss Slots Slots
--------------- -------------- -------------- ----- -----  ---------------------
rp5_fatl             undefined      undefined     0    16  Power5, 8 PEs, 60 GB memory, 72h, reserved queue
rp5_fat              undefined      undefined     0    16  Power5, 8 PEs, 60 GB memory, 24h
dgrid_large          undefined      undefined     0   120  Power5, 8 PEs, 30 GB memory, 6h, DGRID
ipp                  undefined      undefined    24   136  Power5, 8 PEs, 30 GB memory, 12h, reserved queue
lsingle              undefined      undefined     0   120  Power5, 1 PE, 2 GB memory, 6d, reserved queue
single               undefined      undefined     3    68  Power5, 1 PE, 16 GB memory, 12h
small                undefined      undefined     3   132  Power5, 4 PEs, 16 GB memory, 12h
rp5_long             undefined      undefined    30   136  Power5, 8 PEs, 30 GB memory, 6d, reserved queue
rp5                  undefined      undefined    30   136  Power5, 8 PEs, 30 GB memory, 24h
chubby               undefined      undefined     0    64  Power4, 32 PEs, 248 GB memory, 24h
p4_small             undefined      undefined     4     4  Power4, 4 PEs, 16 GB memory, 6h, DEISA
p4_short             undefined      undefined     8     8  Power4, 8 PEs, 30 GB memory, 1h, DEISA
p4_single            undefined      undefined     2     2  Power4, 1 PE, 16 GB memory, 6h, DEISA
mbp                  undefined      undefined     0   128  Power4, 32 PEs, 60 GB memory, 72h, reserved queue
monster              undefined      undefined     0   864  Power4, 512 PEs, 960 GB memory, 18h
deci                 undefined      undefined     0   864  Power4, 256 PEs, 480 GB memory, 60h, DECI
dino                 undefined      undefined     0   864  Power4, 256 PEs, 480 GB memory, 18h
jumbo                undefined      undefined     0   864  Power4, 128 PEs, 240 GB memory, 18h
big                  undefined      undefined     0   864  Power4, 64 PEs, 120 GB memory, 12h
lhuge                undefined      undefined     0   864  Power4, 32 PEs, 60 GB memory, 12h
huge                 undefined      undefined     0   864  Power4, 32 PEs, 60 GB memory, 6h
short                undefined      undefined    16  1000  Power5, 8 PEs, 30 GB memory, 1h
deisa                undefined      undefined     0     0  DEISA pipe queue
test                 undefined      undefined     0   866  restricted
dgrid_small          undefined      undefined     0    64  Power5, 4 PEs, 7 GB memory, 6h, DGRID
dgrid_single         undefined      undefined     1     1  Power5, 1 PE, 7 GB memory, 6h, DGRID
mp5_long             undefined      undefined    86   120  Power5, 8 PEs, 30 GB memory, 72h, reserved queue
mp5                  undefined      undefined    86   120  Power5, 8 PEs, 30 GB memory, 24h, reserved queue
fp5_big              undefined      undefined    23   416  Power5, 32 PEs, 120 GB memory, 72h, reserved queue
fp5                  undefined      undefined    23   416  Power5, 8 PEs, 30 GB memory, 24h, reserved queue
p5test               undefined      undefined     0   684  restricted
inter_class          undefined      undefined     0  1580  Interactive - 360 min. wall clock limit
--------------------------------------------------------------------------------
"Maximum Slots" values of the classes "deisa", "test", "p5test" are constrained by the MAX_STARTERS limit(s).
"Free Slots" values of the classes "rp5_fatl", "rp5_fat", "dgrid_large", "ipp", "lsingle", "single", "small", "rp5_long", "rp5", "chubby", "mbp", "monster", "deci", "dino", "jumbo", "big", "lhuge", "huge", "short", "deisa", "test", "dgrid_small", "mp5_long", "mp5", "fp5_big", "fp5", "p5test", "inter_class" are constrained by the MAX_STARTERS limit(s).