Cadence® system design and verification solutions, integrated under our System Development Suite, provide the simulation, acceleration, emulation, and management capabilities.
System Development 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.
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 technlogy. 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.
I'm running into this error after a recent update of the OS but cannot pinpoint the source of the problem.
Here is the logfile (ahdmcmi.out) but again I'm not sure what the issue is:
ahdlcmicompile: Compiling ahdlcmi in input.ahdlSimDB/4175_thesis_Modelling_ESD_veriloga_veriloga.va.ESD.ahdlcmi/Linux3.2.0-4-amd64-64+gcc/ for Linux3.2.0-4-amd64-64+gcc with optimize using gcc on Tue Aug 13 17:43:31 EDT 2013 [5.0]
ahdlcmicompile: Generating makefile
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/bin/gnumake -j9 -f GNUmakefile
Compiling C file ESD_func.c (optimize) with -O0
Compiling C file ESD_DcFuncDerLoad.c (optimize)
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -march=k8 -ffast-math -O0 -m64 -DSYSV -DSVR4 -D_REENTRANT -fPIC -DconfigSPECTRE -I. -I/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/include -c ESD_func.c -o obj/optimize/5.0/ESD_func.o || rm -f -f obj/optimize/5.0/ESD_func.o;
Compiling C file ESD_TranFuncDerLoad.c (optimize)
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -march=k8 -ffast-math -O3 -m64 -DSYSV -DSVR4 -D_REENTRANT -fPIC -DconfigSPECTRE -I. -I/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/include -c ESD_DcFuncDerLoad.c -o obj/optimize/5.0/ESD_DcFuncDerLoad.o || rm -f -f obj/optimize/5.0/ESD_DcFuncDerLoad.o;
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -march=k8 -ffast-math -O3 -m64 -DSYSV -DSVR4 -D_REENTRANT -fPIC -DconfigSPECTRE -I. -I/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/include -c ESD_TranFuncDerLoad.c -o obj/optimize/5.0/ESD_TranFuncDerLoad.o || rm -f -f obj/optimize/5.0/ESD_TranFuncDerLoad.o;
Compiling C file ESD_DcFuncLoad.c (optimize)
Compiling C file ESD_TranFuncLoad.c (optimize)
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -march=k8 -ffast-math -O3 -m64 -DSYSV -DSVR4 -D_REENTRANT -fPIC -DconfigSPECTRE -I. -I/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/include -c ESD_DcFuncLoad.c -o obj/optimize/5.0/ESD_DcFuncLoad.o || rm -f -f obj/optimize/5.0/ESD_DcFuncLoad.o;
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -march=k8 -ffast-math -O3 -m64 -DSYSV -DSVR4 -D_REENTRANT -fPIC -DconfigSPECTRE -I. -I/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/include -c ESD_TranFuncLoad.c -o obj/optimize/5.0/ESD_TranFuncLoad.o || rm -f -f obj/optimize/5.0/ESD_TranFuncLoad.o;
Compiling C file ESD_CreateDevice.c (optimize)
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -march=k8 -ffast-math -O3 -m64 -DSYSV -DSVR4 -D_REENTRANT -fPIC -DconfigSPECTRE -I. -I/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/spectre/ahdlcmi/include -c ESD_CreateDevice.c -o obj/optimize/5.0/ESD_CreateDevice.o || rm -f -f obj/optimize/5.0/ESD_CreateDevice.o;
ESD_func.c: In function 'ESD_DeleteStencil':
ESD_func.c:425: warning: passing argument 1 of 'ahdlMemFree' makes pointer from integer without a cast
/CMC/tools/cadence/MMSIM.07.11.188_lnx86/tools.lnx86/systemc/gcc/4.1-x86_64/bin/gcc -shared -O3 -m64 -fPIC -o obj/optimize/5.0/libahdlcmi.so ./obj/optimize/5.0/ESD_func.o ./obj/optimize/5.0/ESD_DcFuncDerLoad.o ./obj/optimize/5.0/ESD_DcFuncLoad.o ./obj/optimize/5.0/ESD_TranFuncDerLoad.o ./obj/optimize/5.0/ESD_TranFuncLoad.o ./obj/optimize/5.0/ESD_CreateDevice.o -Wl,-rpath,/usr/lib -Wl,-rpath,/lib -s
ld: crti.o: No such file: No such file or directory
collect2: ld returned 1 exit status
gnumake: *** [obj/optimize/5.0/libahdlcmi.so] Error 1
Any help on this?
As a complete guess, have you tried running in 32-bit? I don't work with ahdlcmi, so this may not be of any help...
In reply to skillUser:
In reply to samini:
You are using an extremely old version of MMSIM... 7.1 - it hasn't been supported in years.
The current version is 12.1.1. Please upgrade to at least the latest 11.1 ISR (and really you should be on 12.1 ... 13.1 is coming out soon.)
You may want to look at Cadence Online Support http://support.cadence.com article 11151116.
Do you have access to Cadence Online Support?
Customer Support Director - Analog/Mixed-Signal/RF AEs
Cadence Design Systems, Inc.
In reply to Tawna:
One more thing... this is off the top of my head....check to see if you have this environment variable set: CDS_AHDLCMI_ENABLE
setenv CDS_AHDLCMI_ENABLE NO
Also, if you have these env variables set, be sure to unset them:
When I see the "ld:acrti.o: No such file or directory" (and it's been years since I've seen this) the issue is typically with the LinuxOS. The 32 bit glibc package is most likely not installed.
What happens if you run spectre 64 bit in the command line?
linux> spectre -64 input.scs
Hi thank you for all the suggestion.
1) I don't think there is an issue with the glibc package because I can run:
linux-gate.so.1 => (0xf7768000) libnsl.so.1 => /lib/i386-linux-gnu/i686/cmov/libnsl.so.1 (0xf7730000) libpthread.so.0 => /lib/i386-linux-gnu/i686/cmov/libpthread.so.0 (0xf7717000) libdl.so.2 => /lib/i386-linux-gnu/i686/cmov/libdl.so.2 (0xf7712000) libstdc++.so.5 => /CMC/tools/cadence/IC.5141.USR5.linux/tools/lib/libstdc++.so.5 (0xf765e000) libm.so.6 => /lib/i386-linux-gnu/i686/cmov/libm.so.6 (0xf7638000) libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf761b000) libc.so.6 => /lib/i386-linux-gnu/i686/cmov/libc.so.6 (0xf74b8000) /lib/ld-linux.so.2 (0xf7769000)
linux-gate.so.1 => (0xf7768000)
libnsl.so.1 => /lib/i386-linux-gnu/i686/cmov/libnsl.so.1 (0xf7730000)
libpthread.so.0 => /lib/i386-linux-gnu/i686/cmov/libpthread.so.0 (0xf7717000)
libdl.so.2 => /lib/i386-linux-gnu/i686/cmov/libdl.so.2 (0xf7712000)
libstdc++.so.5 => /CMC/tools/cadence/IC.5141.USR5.linux/tools/lib/libstdc++.so.5 (0xf765e000)
libm.so.6 => /lib/i386-linux-gnu/i686/cmov/libm.so.6 (0xf7638000)
libgcc_s.so.1 => /lib/i386-linux-gnu/libgcc_s.so.1 (0xf761b000)
libc.so.6 => /lib/i386-linux-gnu/i686/cmov/libc.so.6 (0xf74b8000)
2) I tried to setenv CDS_AHDLCMI_ENABLE NO and still the same issue.
3) spectre -64 input.scs is interesting, it seems to complain about all the models and then fail.
. /snip/. ~/cmrf8sf/V220.127.116.11DM/Spectre/models/nfet33.scs" 218: Unknown parameter name `vgs' found in expression.~/cmrf8sf/V18.104.22.168DM/Spectre/models/nfet33.scs" 218: Unknown parameter name `vds' found in expression..~/cmrf8sf/V22.214.171.124DM/Spectre/models/pfet.scs" 224: Unknown parameter name `vbs' found in expression... etc...
~/cmrf8sf/V126.96.36.199DM/Spectre/models/nfet33.scs" 218: Unknown parameter name `vgs' found in expression.
~/cmrf8sf/V188.8.131.52DM/Spectre/models/nfet33.scs" 218: Unknown parameter name `vds' found in expression.
RE: ldd /CMC/tools/cadence/IC.5141.USR5.linux/tools.lnx86/spectre/bin/32bit/spectre
1. You do not want to use ic5141 spectre...ever. That technology hasn't been supported in over 10 years! You have to use spectre from the MMSIM hierarchy. And you should be using MMSIM 12.1.1 spectre.
2. You should upgrade to the latest IC5141ISR. (something beyond USR6). Better yet, get on IC6.1.6 (but I realize that may not be possible, depending on your site.)
3. You mentioned that the OS was recently updated. Please download the checkSysConf utility from Cadence Online Support http://support.cadence.com . You need to make sure that the system has all the required patches. The software won't run properly if checkSysConf fails.
4. Please consider contacting Customer Support - this sort of thing really is best handled by a Support AE who can dedicate time to resolving this for you.
The issue with crti.o not being found is covered in this solution 11562788 . The file should be at: /usr/lib/crti.o . On my machine I see:
UNIX> rpm -q -f /usr/lib/crti.oglibc-devel-2.12-1.25.el6.i686
So it's provided by the glibc-devel rpm. You need to see if you have that installed. More recent MMSIM versions check that if you run checkSysConf from the <MMSIMinstDir>/tools/bin (I don't think it did with MMSIM70, from a quick check of the patch data file in an MMSIM70 installation I have locally).