Which of the following statements about parallelism is/are FALSE? 1. In data parallelism, the same task is executed on the same data at the same time 2. A task dependency graph allows one to plan parallel tasks 3. If a task depends on the results of another task, they cannot run in parallel Select one: a. 2 only b. 1 and 3 c. 1 and 2 d. 1 only e. 2 and 3 Clear my choice Which of the following statements on the reduction parallel pattern is/are TRUE? 1. A reduction pattern combines data elements using an associative operator into a single element 2. Synchronisation is not required when accessing data in a reduction pattern 3. A reduction pattern typically processes half the number of elements at each step Select one: a. 2 only b. 2 and 3 c. 1 and 3 d. 1 and 2 e. 1 only Clear my choice Which of the following statements related to data on the host and device is/are FALSE? 1. Kernel arguments must be set explicitly using cl::Kernel::setArg() on the host 2. The device initiates data transfers to the host 3. Arrays must be transferred to the device using a buffer object Select one: a. 2 only b. 1 only c. 1 and 3 d. 1 and 2 e. 2 and 3 Clear my choice

Which of the following statements about parallelism is/are FALSE? 1. In data parallelism, the same task is executed on the same data at the same time 2. A task dependency graph allows one to plan parallel tasks 3. If a task depends on the results of another task, they cannot run in parallel Select one: a. 2 only b. 1 and 3 c. 1 and 2 d. 1 only e. 2 and 3 Clear my choice Which of the following statements on the reduction parallel pattern is/are TRUE? 1. A reduction pattern combines data elements using an associative operator into a single element 2. Synchronisation is not required when accessing data in a reduction pattern 3. A reduction pattern typically processes half the number of elements at each step Select one: a. 2 only b. 2 and 3 c. 1 and 3 d. 1 and 2 e. 1 only Clear my choice Which of the following statements related to data on the host and device is/are FALSE? 1. Kernel arguments must be set explicitly using cl::Kernel::setArg() on the host 2. The device initiates data transfers to the host 3. Arrays must be transferred to the device using a buffer object Select one: a. 2 only b. 1 only c. 1 and 3 d. 1 and 2 e. 2 and 3 Clear my choice

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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