Thats right. Clock speed is governed by slowest processing stage + register delay. With clock cycle of (160+5) ns even the faster stages will be forced to run slowly. As a result 1st instruction will take 165*4 ns and rest of following 999 instructions will take 165*999 ns.
On Tue, Sep 27, 2011 at 4:03 PM, praneethn <praneeth...@gmail.com> wrote: > > clock period=(slowest stage delay)+(Buffer delay). > > slowest stage delay is 160 ns and Buffer delay is 5ns. Buffer delay will > always be there between two stages . > > clock period=165ns. > > In the pipelining the time it takes =(k+n-1) * (clock period) > > k=number of stages and n=number of instructions(data items) > > hence time it takes=(4+1000-1)*(165)=165.4 microsec > > > > > On Tue, Sep 27, 2011 at 11:51 AM, Aditya Virmani <virmanisadi...@gmail.com > > wrote: > >> 585 + (160 + 5)for slowest transactions *999 for the rest of the >> instructions! >> >> >> On Tue, Sep 27, 2011 at 12:49 AM, Gene <gene.ress...@gmail.com> wrote: >> >>> You guys have the right idea except that since it's multiple choice >>> you can do this with no math. With 1000 data items and only 4 stages, >>> the bottleneck has to be the slowest pipeline stage with its register >>> delay. So you can answer b in 10 seconds and move on to the next >>> question! >>> >>> On Sep 26, 8:50 pm, Dumanshu <duman...@gmail.com> wrote: >>> > @bharat: >>> > for the second part where u multiplied (160+5) with 999, it should be >>> > 160*999 because it is max of (150,120,160,140,5). Correct me if i am >>> > wrong. >>> > >>> > On Sep 26, 4:02 pm, bharatkumar bagana <bagana.bharatku...@gmail.com> >>> > wrote: >>> > >>> > >>> > >>> > > for the first instruction : 150+5+120+5+160+5+140=585 ns >>> > > for the rest of the instructions , though pipeline---- >>> > > max(150,120,160,140)=160 >>> > >>> > > (160+5)*999=164835 ns >>> > > we assume that there will be no extra stalls existed in our system >>> > > ---------585 + 164835 =165420 ns =165.4 us... >>> > > correct me if I'm wrong ......... >>> > >>> > > On Sun, Sep 25, 2011 at 9:25 AM, siva viknesh < >>> sivavikne...@gmail.com>wrote: >>> > >>> > > > A 4-stage pipeline has the stage delays as 150, 120, 160 and 140 ns >>> > > > (nano seconds) >>> > > > respectively. Registers that are used between the stages have a >>> delay >>> > > > of 5 ns each. Assuming >>> > > > constant clocking rate, the total time taken to process 1000 data >>> > > > items on this pipeline will >>> > > > approximately be >>> > > > a. 120 us (micro seconds) >>> > > > b. 165 us >>> > > > c. 180 us >>> > > > d. 175 us >>> > >>> > > > ...plz give detailed explanation for the ans >>> > >>> > > > -- >>> > > > You received this message because you are subscribed to the Google >>> Groups >>> > > > "Algorithm Geeks" group. >>> > > > To post to this group, send email to algogeeks@googlegroups.com. >>> > > > To unsubscribe from this group, send email to >>> > > > algogeeks+unsubscr...@googlegroups.com. >>> > > > For more options, visit this group at >>> > > >http://groups.google.com/group/algogeeks?hl=en. >>> > >>> > > -- >>> > >>> > > **Regards >>> > > *BharatKumar Bagana* >>> > > **http://www.google.com/profiles/bagana.bharatkumar< >>> http://www.google.com/profiles/bagana.bharatkumar> >>> > > * >>> > > Mobile +91 8056127652* >>> > > <bagana.bharatku...@gmail.com>- Hide quoted text - >>> > >>> > - Show quoted text - >>> >>> -- >>> You received this message because you are subscribed to the Google Groups >>> "Algorithm Geeks" group. >>> To post to this group, send email to algogeeks@googlegroups.com. >>> To unsubscribe from this group, send email to >>> algogeeks+unsubscr...@googlegroups.com. >>> For more options, visit this group at >>> http://groups.google.com/group/algogeeks?hl=en. >>> >>> >> -- >> You received this message because you are subscribed to the Google Groups >> "Algorithm Geeks" group. >> To post to this group, send email to algogeeks@googlegroups.com. >> To unsubscribe from this group, send email to >> algogeeks+unsubscr...@googlegroups.com. >> For more options, visit this group at >> http://groups.google.com/group/algogeeks?hl=en. >> > > -- > You received this message because you are subscribed to the Google Groups > "Algorithm Geeks" group. > To post to this group, send email to algogeeks@googlegroups.com. > To unsubscribe from this group, send email to > algogeeks+unsubscr...@googlegroups.com. > For more options, visit this group at > http://groups.google.com/group/algogeeks?hl=en. > -- You received this message because you are subscribed to the Google Groups "Algorithm Geeks" group. To post to this group, send email to algogeeks@googlegroups.com. To unsubscribe from this group, send email to algogeeks+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/algogeeks?hl=en.
