Given the following snippet of kernel code:char8 m = (char8) ('w', 't', 'k', '1', 'o', 'z', 'p', 'g');m.s4321 = (char4)('c', 'n', "i", 'u');char4 vec = m.s2635;What will the contents of vec be?Select one:a. ('k, 'p', ''z')b. ('u;, 'z', ', 'c')c. None of the choices are correctd. ('t', 'z', 'k', '0')e. ('', 'p, 'n'; 'z')Clear my choiceGiven the following snippet of kernel code:_kernel void kernelA(_global float* in, local float* arr,_global float* out) {int lid = get_local_id(0);int Isize = get_local_size(0);for(int i = Isize/2; i>0; i >>= 1) {if(lid

1.Correct option: a). ('k', 'p', 'l', 'z')Reason: The code initializes a char8 vector m with the…

Given the following snippet of kernel code: char8 m = (char8)("w", "'t', 'k', '1', '0', 'zº', 'p', '9'); m.s4321 = (char4)('c', 'n', 'T', 'u'); char4 vec = m.s2635; What will the contents of vec be? Select one: a. ('k, 'p;, , '2') b. ('u, 'z', , 'c') c. None of the choices are correct d. ('t, 'z', 'k '0') e. ('7', 'p'; 'n'; 'z') Clear my choice Given the following snippet of kernel code: _kernel void kernel_global float* in, local float* arr,_global float* out) { int lid = get_local_id(0); int Isize = get_local_size(0); for(int i = Isize/2; i>0; i >>= 1) { if(lid

Given the following snippet of kernel code: char8 m = (char8)("w", "'t', 'k', '1', '0', 'zº', 'p', '9'); m.s4321 = (char4)('c', 'n', 'T', 'u'); char4 vec = m.s2635; What will the contents of vec be? Select one: a. ('k, 'p;, , '2') b. ('u, 'z', , 'c') c. None of the choices are correct d. ('t, 'z', 'k '0') e. ('7', 'p'; 'n'; 'z') Clear my choice Given the following snippet of kernel code: _kernel void kernel_global float* in, local float* arr,_global float* out) { int lid = get_local_id(0); int Isize = get_local_size(0); for(int i = Isize/2; i>0; i >>= 1) { if(lid

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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A: Dear Student, The answer to your question is given below -

Question

Given the following snippet of kernel code:
char8 m = (char8) ('w', 't', 'k', '1', 'o', 'z', 'p', 'g');
m.s4321 = (char4)('c', 'n', "i", 'u');
char4 vec = m.s2635;
What will the contents of vec be?
Select one:
a. ('k, 'p', ''z')
b. ('u;, 'z', ', 'c')
c. None of the choices are correct
d. ('t', 'z', 'k', '0')
e. ('', 'p, 'n'; 'z')
Clear my choice
Given the following snippet of kernel code:
_kernel void kernelA(_global float* in, local float* arr,_global float* out) {
int lid = get_local_id(0);
int Isize = get_local_size(0);
for(int i = Isize/2; i>0; i >>= 1) {
if(lid <i) {
arr[lid] += arr[lid + i];
}
barrier(CLK_LOCAL_MEM_FENCE); // line A
}
if (lid == 0) out[get_group_id(0)] = arr[0];
}
What is the purpose of line A?
Select one:
a. To ensure data in global memory is written to correctly
b. To make sure all work-items have completed execution
c. To ensure all work-groups arrive at that statement before continuing
d. To synchronise computation between work-groups
e. To stall work-items in a work-group until the preceding statements have completed
Clear my choice

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