Cadence® system design and verification solutions, integrated under our Verification Suite, provide the simulation, acceleration, emulation, and management capabilities.
Verification Suite Related Products A-Z
Cadence® digital design and signoff solutions provide a fast path to design closure and better predictability, helping you meet your power, performance, and area (PPA) targets.
Full-Flow Digital Solution Related Products A-Z
Cadence® custom, analog, and RF design solutions can help you save time by automating many routine tasks, from block-level and mixed-signal simulation to routing and library characterization.
Overview Related Products A-Z
Driving efficiency and accuracy in advanced packaging, system planning, and multi-fabric interoperability, Cadence® package implementation products deliver the automation and accuracy.
Cadence® PCB design solutions enable shorter, more predictable design cycles with greater integration of component design and system-level simulation for a constraint-driven flow.
An open IP platform for you to customize your app-driven SoC design.
Comprehensive solutions and methodologies.
Helping you meet your broader business goals.
A global customer support infrastructure with around-the-clock help.
More Support Log In
24/7 Support - Cadence Online Support
Locate the latest software updates, service request, technical documentation, solutions and more in your personalized environment.
Cadence offers various software services for download. This page describes our offerings, including the Allegro FREE Physical Viewer.
The Cadence Academic Network helps build strong relationships between academia and industry, and promotes the proliferation of leading-edge technologies and methodologies at universities renowned for their engineering and design excellence.
Participate in CDNLive
A huge knowledge exchange platform for academia to network with industry. We are looking for academic speakers to talk about their research to the industry attendees at the Academic Track at CDNLive EMEA and Silicon Valley.
Come & Meet Us @ Events
A huge knowledge exchange platform for academia. We are looking for academic speakers to talk about their research to industry attendees.
Americas University Software Program
Join the 250+ qualified Americas member universities who have already incorporated Cadence EDA software into their classrooms and academic research projects.
EMEA University Software Program
In EMEA, Cadence works with EUROPRACTICE to ensure cost-effective availability of our extensive electronic design automation (EDA) tools for non-commercial activities.
Apply Now For Jobs
If you are a recent college graduate or a student looking for internship. Visit our exclusive job search page for interns and recent college graduate jobs.
Cadence is a Great Place to do great work
Learn more about our internship program and visit our careers page to do meaningful work and make a great impact.
Get the most out of your investment in Cadence technologies through a wide range of training offerings.
Overview All Courses Asia Pacific EMEANorth America
Instructor-led training [ILT] are live classes that are offered in our state-of-the-art classrooms at our worldwide training centers, at your site, or as a Virtual classroom.
Online Training is delivered over the web to let you proceed at your own pace, anytime and anywhere.
Exchange ideas, news, technical information, and best practices.
The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information.
It's not all about the technology. Here we exchange ideas on the Cadence Academic Network and other subjects of general interest.
Cadence is a leading provider of system design tools, software, IP, and services.
A number of customers use the abStats.il code included in my sourcelink.cadence.com solution - number 11026072 (just search for that number).
This has functions to return the mean, median, min, max, standard deviation, percentiles, and various other useful functions related to the results of monte carlo simulations.
You might also want to take a look at solution 11474384.
In reply to Andrew Beckett:
Hi Andrew,Thanks a lot for your help.I am an analog guy and my programming skills are practically zero.So, what’s the manner the use/install this code on my system?Do you have any references concerning OCEAN scripts ?On IC6 the ADEXL tool I have an option to insert an OCEAN script. Is that the right way?RegardsJuan
In reply to Juan Pablo:
Yes, the functions are a little more geared up for use in OCEAN scripts rather than in ADE.
To use them, you'd do:
and then use the functions as described in the comments at the top of the code. For more info on OCEAN, probably best to start with the OCEAN reference manual - <ICinstDir>/doc/oceanref/oceanref.pdf
Cadence also has a training class on OCEAN.
Alternatively, another way you can do things is to use the "save family data" option on the monte carlo form, and then use the same expression you used for your monte carlo scalar expressions in the calculator. This will give you a waveform which has the result of the expression versus the iteration number. Having done that you can use the calculator stddev function to find the standard deviation, or the average function to find the mean. Take note of the second solution number I mention above, as this describes the slight difference you'll get in the mean and standard deviation when doing it this way.
Soory, do you maybe have a solution to my problem?
I cannot manage to save the results of MC iterations?
The code is:
ocnWaveformTool( 'wavescan )simulator( 'spectre )design( "/home/scard/simulation/CMOSSbox_test_new_htype/spectre/schematic/netlist/netlist")resultsDir( "/home/scard/simulation/CMOSSbox_test_new_htype/spectre/schematic" )definitionFile( "models.scs")analysis('tran ?stop "1u" )desVar( "tclk" 1u )desVar( "j" 0 )desVar( "del" 200n )option( 'temp "25.0" 'iabstol "1e-14" 'vabstol "1e-8" 'reltol "1e-6" )save( 'i "/V4/PLUS" )temp( 25.0 ) MCresults = outfile( "/home/scard/results/SBOX_mc_htypefinal/sbox_mc_results.txt" "w")monteCarlo( ?numIters "3" ?startIter "1" ?analysisVariation 'mismatch ?sweptParam "None" ?sweptParamVals "27" ?saveData t ?nomRun "yes" ?append nil)monteExpr( "leak" "-average(clip(i(\"/V4/PLUS\" ?result \"tran-tran\") 5e-07 1e-06))" )monteRun()Imc_mean = average(-average(clip(i("/V4/PLUS" ?result \"tran-tran"\) 5e-07 1e-06)))fprintf( MCresults "%3.4f \n" Imc_mean*1e9 );close(MCresults);MCresults = outfile( "/home/scard/results/SBOX_mc_htypefinal/sbox_mc_results.txt" "a")close(MCresults)
Probably, somewher here is an error.
Can you help me with this?
In reply to Micka:
It's not obvious why this isn't working - you didn't give any error messages that it might have given, or what wasn't working.
However, what I usually recommend is to use the functions described in sourcelink solution 11026072 - these allow you to read and post-process the scalar results saved in the monte carlo run - so it means you don't have to recompute the expression from the complete family all over again.
You may also want to use the "non-aliased" name (this is mentioned in the documentation too). Use i("..." ?result "tran") instead of "tran-tran" - otherwise you can find yourself getting the nominal result rather than the monte-carlo result...