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Course contents

  • How to Use This Puzzle Bank
  • SystemVerilog Language Puzzles25
  • Difficulty Guide
  • Full Topic Map
  • Interview-Day Tips
  • OOP & Testbench Puzzles25
  • Concurrency & Timing Puzzles25
  • Randomization & Constraint Puzzles25
  • SVA Assertion Puzzles25
  • Functional Coverage Puzzles25
    • Covergroup and Coverpoint Puzzles
    • Cross Coverage Puzzles
    • Coverage Options Puzzles
      • auto_bin_max and at_least together
      • Weighted aggregate coverage math
      • per_instance exposure of hidden holes
      • type_option.at_least across all instances
      • type_option.auto_bin_max bin grouping
      • option.weight zero removes metric influence
    • Coverage Closure and Sampling Timing Puzzles
    • Functional Coverage Puzzles: Tricky Q&A
  • Logic & Aptitude Puzzles25
  • Scenario & Debug Puzzles25
  • Interview Prep: Puzzle Rounds5
  • DV Puzzle Cheatsheet
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‹Functional Coverage Puzzles
  1. Topics
  2. DV Interview Puzzles
  3. Functional Coverage Puzzles
  4. Coverage Options Puzzles

VLSI DV Interview Puzzles · All levels

Coverage Options Puzzles

Reason about how option.at_least, auto_bin_max, option.weight, per_instance, and type_option change both per-bin and aggregate metrics.

  • 6topics
  • 6lessons

Topics in this section

  1. 1auto_bin_max and at_least together1 lesson
  2. 2Weighted aggregate coverage math1 lesson
  3. 3per_instance exposure of hidden holes1 lesson
  4. 4type_option.at_least across all instances1 lesson
  5. 5type_option.auto_bin_max bin grouping1 lesson
  6. 6option.weight zero removes metric influence1 lesson
On this page

    About this puzzle set

    Reason about how option.at_least, auto_bin_max, option.weight, per_instance, and type_option change both per-bin and aggregate metrics.

    Puzzles in this topic

    Diagram
    1. auto_bin_max and at_least together  [Medium]
    2. Weighted aggregate coverage math  [Hard]
    3. per_instance exposure of hidden holes  [Medium]
    4. type_option.at_least across all instances  [Hard]
    5. type_option.auto_bin_max bin grouping  [Medium]
    6. option.weight zero removes metric influence  [Medium]

    Work each puzzle before reading the solution: predict the exact output or answer, name the rule that governs it, then check yourself.

    Related topics

    • Functional Coverage Puzzles section

    • VLSI DV Interview Puzzles hub

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    See also

    • Covergroup and Coverpoint Puzzles
    • Cross Coverage Puzzles
    • Coverage Closure and Sampling Timing Puzzles