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Forum Post: How to increase Cadence Spectre simulation speed?

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I am trying to plot power traces using Cadence Spectre for my circuit for a clock period of 100 MHz (T = 10ns). I am using a step size of 1ps and want to obtain 10,000 samples per clock period (and 5 million samples in total for 500 clocks) as per the following instructions in the .scs file: // simulator lang = spectre global 0 VDD VSS VBN VBP vlog_include "aes_oneround_m.v" supply0 = VSS supply1 = VDD insensitive = no include "spice.cir" vec_include "input_500.vec" include "mos.scs" X1 plaintext\[0\] plaintext\[1\] plaintext\[2\] plaintext\[3\] plaintext\[4\] plaintext\[5\] plaintext\[6\] plaintext\[7\] plaintext\[8\] plaintext\[9\] plaintext\[10\] plaintext\[11\] plaintext\[12\] + plaintext\[13\] plaintext\[14\] plaintext\[15\] plaintext\[16\] plaintext\[17\] plaintext\[18\] plaintext\[19\] plaintext\[20\] plaintext\[21\] plaintext\[22\] plaintext\[23\] plaintext\[24\] plaintext\[25\] plaintext\[26\] plaintext\[27\] plaintext\[28\] plaintext\[29\] plaintext\[30\] plaintext\[31\] plaintext\[32\] plaintext\[33\] plaintext\[34\] plaintext\[35\] plaintext\[36\] plaintext\[37\] plaintext\[38\] 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aes_oneround VDC (VDD 0) vsource dc=1.2 type=dc v2 (VSS 0) vsource dc=0 type=dc v4 (VBN 0) vsource dc=0 type=dc v5 (VBP 0) vsource dc=1.2 type=dc v6 (clk 0) vsource type=pulse val0=0 val1=1.2 delay=0 rise=0.05n fall=0.05n width=5n period=10n mytran tran stop=5015n step=1p maxstep=1p errpreset=liberal method=gear2only compression=yes save :pwr The input vector file for the same is: radix 44444444444444444444444444444444 44444444444444444444444444444444 io iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii iiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii vname plaintext[[0:127]] key[[0:127]] tunit 1ns trise 0.05 tfall 0.05 vih 1.2 vil 0.0 voh 0.9 vol 0.3 5 d57e806eaf6aafd00dd5eeabf403757b 00112233445566778899aabbccddeeff 15 6abf403757b557e806eaf755fa01babd 00112233445566778899aabbccddeeff 25 355fa01babdaabf403757baafd00dd5e 00112233445566778899aabbccddeeff 35 9aafd00dd5ed55fa01babdd57e806eaf 00112233445566778899aabbccddeeff . . . 4995 ecf4e52480de9899bcf099e74d9635c4 00112233445566778899aabbccddeeff 5005 767a7292406f4c4cde784cf3a6cb1ae2 00112233445566778899aabbccddeeff Finally, the run_wop file which is sourced for the execution of the code, has the following instructions: spectre -64 ++aps +multithread osc.scs -o power_100MHz However, this process seems to be very time-consuming ranging over many days. Kindly help me how to increase the processing speed of the code which has been put to run? Wish to know the commands which can help in this regard.

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