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    NVIDIA Interview Questions

    Interviews at NVIDIA

    1,185 Interview Reviews

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    Interviews for Top Jobs at NVIDIA

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    1. Featured Interview

      Helpful (4)  

      GPU Profile Engineer Interview

      Anonymous Interview Candidate in Pune
      No Offer
      Positive Experience
      Average Interview

      Application

      I applied through an employee referral. The process took 3 weeks. I interviewed at NVIDIA (Pune) in January 2019.

      Interview

      I applied through employee referral. HR called and arranged for a telephonic interview. The senior guy called and took interview for 1 hour. required: C program basics in depth. OS in depth. Graphics and CUDA basics

      Interview Questions

      • How to use a variable declared in one file and can be used in other file   Answer Question
      • Count no. of set bits in a user defined 64 bit no. Optimize it to highest level.   Answer Question
      • Detect memory leaks using wrapper functions   Answer Question
      • Which will exit/hang faster and why:

        while(1)
        int ptr = (int*)malloc(100);

        while(1){
        int ptr = (int*)malloc(100);
        memset(ptr, 1, 100);
        }   1 Answer
      • There are K sorted arrays of size N each. Merge the arrays to a single sorted array of size KN.   Answer Question

    2. Helpful (1)  

      Computer Architect Interview

      Anonymous Interview Candidate in Durham, NC (US)
      No Offer
      Positive Experience
      Average Interview

      Application

      The process took 4+ weeks. I interviewed at NVIDIA (Durham, NC (US)) in August 2011.

      Interview

      Phone interview consisted of discussion followed by critical review on my research on GPU Architecture.

      Interview Questions

      • My research was on methods to handle branch divergence in SIMT Architecture... so many questions were on that...   3 Answers
      3. Join the NVIDIA team
      See Our Latest Jobs

    3. Helpful (3)  

      Performance Engineer Interview

      Anonymous Interview Candidate in Los Angeles, CA (US)
      No Offer
      Positive Experience
      Difficult Interview

      Application

      I applied online. The process took 3 weeks. I interviewed at NVIDIA (Los Angeles, CA (US)) in January 2018.

      Interview

      I applied online. I had three phone interviews. I was asked technical questions and questions related to my research topics. They went through my CV and asked about the various projects I list. There was a coding session also.

      Interview Questions

      • Inter-process communication, decribe NUMA architecture, single linked list problems   3 Answers

    4. Helpful (5)  

      Performance Engineer Interview

      Anonymous Interview Candidate in Santa Clara, CA (US)
      No Offer
      Positive Experience
      Average Interview

      Application

      I applied online. The process took 5 weeks. I interviewed at NVIDIA (Santa Clara, CA (US)) in February 2018.

      Interview

      The process took about 1 month and half. I had two rounds of phone interview and one final round of phone screen, all technical and one hour for each. The interviewers were very nice and friendly, the entire interview process was pleasant. This position requires candidates to have advanced knowledge of computer architecture and operating systems, interview questions were also based on these. I didn't get the offer but I really enjoyed this interview process. Hope you guys all the best, please make sure you get all the basic concepts clear such as cache coherence, NUMA architecture before you go to your interview.

      Interview Questions

      • What happens (OS-level) when you open a file.   4 Answers

    5.  

      Photography Interview

      Anonymous Interview Candidate in San Francisco, CA (US)
      No Offer
      Positive Experience
      Difficult Interview

      Application

      I applied through college or university. The process took 4+ weeks. I interviewed at NVIDIA (San Francisco, CA (US)).

      Interview

      A few weeks after I submitted my resume through my school website, I received this interview. It was a phone interview. There are two people interviewing me. Except for those background questions, they also care about the technical part of photography. Be prepared on that.

      Interview Questions

      • Evaluating the lighting setup based on images   2 Answers

    6. Helpful (17)  

      Physical Design Engineer Interview

      Anonymous Interview Candidate in Santa Clara, CA (US)
      No Offer
      Positive Experience
      Easy Interview

      Application

      The process took 1 day. I interviewed at NVIDIA (Santa Clara, CA (US)) in March 2011.

      Interview

      You will get 2 or 3 phone interviews for one position. Those who performs good will be invited to on-site.
      The phone interview is not difficult, something like basic exam questions.

      Interview Questions

      • Draw a two-put NAND gate and size it, assuming the ratio of PMOS/NMOS is 2 in inverter. Then suppose two input are A and B for NMOS and PMOS. A is close to output and B is close to ground, input A change from 0 to 1 at t=t1, input B change from 0 to 1 at t =t1 (t1 > t0). Describe how the output change. Then input B changes from 0 to 1 first then input A changes from 0 to 1. Describe how the output changes. Are there any differences between these two scenarios?   3 Answers
      • How to modify a two-input NAND gate to an inverter?   3 Answers
      • You are give two flip-flops and there's an combination logic in between, the two flip-flops are driven by the same clock. You are provided with parameters of T_reg, T_logicmax, T_logicmin, T_setup, T_hold, etc. How to determine the cycle time and hold time of this circuits.   3 Answers
      • Draw an inverter. Then switch the position of NMOS and PMOS. Describe the circuit.   3 Answers
      • You are provided with one XOR gate, one OR gate and one NOR gate. Please build a NAND gate.   4 Answers

    7. Helpful (3)  

      Physical Design Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Neutral Experience
      Average Interview

      Application

      I applied through college or university. The process took 4+ weeks. I interviewed at NVIDIA.

      Interview

      There was 45 min technical phone interview scheduled after I received invitation email from Nvidia. The interview starts with the interviewer talking about his group's responsibilities and general information about how different groups inside Nvidia interact with each other.

      The questions remembered so far are:
      Setup time and hold time analysis: specify which part of a circuit contribute to the setup time or hold time violation?
      super buffer: given a load capacitance, how to size inverters so that the overall delay would be smallest?
      simple logic design: how to convert a two input nand gate into an inverter?
      ...
      can only remember these questions so far... good luck!

      Interview Questions

      • try to be crystal clear about setup time and hold time violation cases so that you can give quick answers to the interviewer...   1 Answer

    8.  

      Physical Design Engineer Interview

      Anonymous Interview Candidate in Santa Clara, CA (US)
      No Offer
      Positive Experience
      Average Interview

      Application

      I applied through college or university. The process took 4 weeks. I interviewed at NVIDIA (Santa Clara, CA (US)) in March 2013.

      Interview

      Send my resume and did a quiz in the career fair. Got an email asking to set up a phone interview about 7 weeks later. The second phone interview is setup very quickly after the first interview. 2 phone interviews so far. Do not know whether there will be an onsite for internship.

      Interview Questions

      • What's power gating and clock gating. Briefly explain setup time and hold time violation. Briefly describe what is physical design. Sequence Detector. And some questions about my project.   5 Answers

    9.  

      Physical Design Engineer Interview

      Anonymous Interview Candidate
      No Offer
      Neutral Experience
      Average Interview

      Application

      I applied online. The process took 3 weeks. I interviewed at NVIDIA in March 2015.

      Interview

      I had applied on the company website and got a call about 3 weeks later. I was contacted by a HR executive first and then the interview was set up about a week later. The interviewer was the manager of the physical design team at NVIDIA. The interview started off with a brief intro of the team and their work, Then he asked a few questions on my projects and some basic VLSI concepts

      Interview Questions

      • Power gating, clock gating etc   1 Answer

    10.  

      Physical Design Engineer Interview

      Anonymous Employee in Santa Clara, CA (US)
      Accepted Offer
      Positive Experience
      Difficult Interview

      Application

      I applied through college or university. The process took a week. I interviewed at NVIDIA (Santa Clara, CA (US)) in July 2016.

      Interview

      Three phone interviews with technical questions ranging from basic (setup/hold time) to advanced (design questions). First you interviewed with 2 team members and then the team lead. All questions were technical. Interview lasted 3 hours in total.

      Interview Questions

      • What are setup and hold time   1 Answer

    11.  

      Physical Design Engineer Interview

      Anonymous Interview Candidate in San Jose, CA (US)
      No Offer
      Positive Experience
      Easy Interview

      Application

      I applied online. I interviewed at NVIDIA (San Jose, CA (US)) in May 2017.

      Interview

      My application position mainly work on the synthesis part. I got 2 phone interviews, the questions were all the tech Q. Those were really easy. Then I quickly got an onsite interview from 1:30pm to 5:30pm to be interviewed by 5 engineers. 3 of them ask Tech questions which were easy to answer. Manager mainly ask me about the personality question. I did not give a good answer in the personality part.

      Interview Questions

      • how to solve setup violation? What the solution would impact on the other part of the design?
        how to deal with the SI issue?
        Clearly know about the calculation of setup time, or min clock period
        What is OCV on timing check？how to calculate? What is the CPPR?   2 Answers
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