Which of the following statements about events is/are FALSE?1. A callback function can be triggered when an event completes2. An event object's callback function must be set before associating it with a command3. A user event can be used to abort a command from executing on a deviceSelect one:a.1 and 2b.2 onlyc. 2 and 3d. 1 onlye. 1 and 3Clear my choiceWhat is a characteristic of the map parallel pattern?Select one:a. It is an iterative patternb. A map pattern must use an associative operatorc. Each operation in the map pattern must be independentd. All operations depend on neighbouring datae. Operations in the map pattern are performed in sequenceClear my choice Which of the following statements about the OpenCL platform model is FALSE?Select one:a. Each device can have more than one processing elementb. Each device can have more than one compute unitc. A GPU is an example of a compute deviced. A host is connected to one or more compute devicese. A compute unit can contain only one processing elementClear my choiceWhat does the following snippet of code do?queue.enqueueNDRangeKernel(kernel, offset, globalSize, cl::NullRange, NULL, &ev);queue.finish();cl_ulong t1 = ev.getProfilingInfo();cl_ulong t2 = ev.getProfilingInfo();cl_ulong result = t2 - 11;Select one:a. It computes the amount of time enqueueNDRangeKernel took to executeb. The result is how long enqueueNDRangeKernel remained in the queuec. It computes the amount of time a work-item took to execution timed. The result is how long profiling took to executee. The result is total time for data transferClear my choice

1.1. This statement is TRUE. A callback function can indeed be triggered when an event completes,…

Which of the following statements about events is/are FALSE? 1. A callback function can be triggered when an event completes 2. An event object's callback function must be set before associating it with a comma 3. A user event can be used to abort a command from executing on a device Select one: a. 1 and 2 b. 2 only c. 2 and 3 d. 1 only e. 1 and 3 Clear my choice What is a characteristic of the map parallel pattern? Select one: a. It is an iterative pattern b. A map pattern must use an associative operator c. Each operation in the map pattern must be independent d. All operations depend on neighbouring data e. Operations in the map pattern are performed in sequence Clear my choice

Which of the following statements about events is/are FALSE? 1. A callback function can be triggered when an event completes 2. An event object's callback function must be set before associating it with a comma 3. A user event can be used to abort a command from executing on a device Select one: a. 1 and 2 b. 2 only c. 2 and 3 d. 1 only e. 1 and 3 Clear my choice What is a characteristic of the map parallel pattern? Select one: a. It is an iterative pattern b. A map pattern must use an associative operator c. Each operation in the map pattern must be independent d. All operations depend on neighbouring data e. Operations in the map pattern are performed in sequence 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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Concept explainers

jQuery and JavaScript

JavaScript is a client-side programming language used to create dynamic web pages and animations. It uses just-in-time compilation which means it is read line-by-line, checked for correctness of syntax and executed immediately.

Question

Which of the following statements about events is/are FALSE?
1. A callback function can be triggered when an event completes
2. An event object's callback function must be set before associating it with a command
3. A user event can be used to abort a command from executing on a device
Select one:
a.
1 and 2
b.
2 only
c. 2 and 3
d. 1 only
e. 1 and 3
Clear my choice
What is a characteristic of the map parallel pattern?
Select one:
a. It is an iterative pattern
b. A map pattern must use an associative operator
c. Each operation in the map pattern must be independent
d. All operations depend on neighbouring data
e. Operations in the map pattern are performed in sequence
Clear my choice

Which of the following statements about the OpenCL platform model is FALSE?
Select one:
a. Each device can have more than one processing element
b. Each device can have more than one compute unit
c. A GPU is an example of a compute device
d. A host is connected to one or more compute devices
e. A compute unit can contain only one processing element
Clear my choice
What does the following snippet of code do?
queue.enqueueNDRangeKernel(kernel, offset, globalSize, cl::NullRange, NULL, &ev);
queue.finish();
cl_ulong t1 = ev.getProfilingInfo<CL_PROFILING_COMMAND_START>();
cl_ulong t2 = ev.getProfilingInfo<CL_PROFILING_COMMAND_END>();
cl_ulong result = t2 - 11;
Select one:
a. It computes the amount of time enqueueNDRangeKernel took to execute
b. The result is how long enqueueNDRangeKernel remained in the queue
c. It computes the amount of time a work-item took to execution time
d. The result is how long profiling took to execute
e. The result is total time for data transfer
Clear my choice

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