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S-1/A - AMENDMENT NO. 2 TO FORM S-1 - APACHE DESIGN SOLUTIONS INCds1a.htm

Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

The Board of Directors

Apache Design Solutions, Inc.:

We consent to the use of our report included herein and to the reference to our firm under the heading “Experts” in the prospectus.

/s/ KPMG LLP

Mountain View, California

May 10, 2011