prefetch Questions
3
Solved
I'm debugging a web application running in visual studio with some breakpoints on some code that runs on every request to my web application.
I find that in Chrome, as I type the URL past the host,...
Catharinecatharsis asked 19/1, 2015 at 8:1
2
I have a model Booking which has a history in it. like this and I use django_simple_history
class Booking(CreatedAtAbstractBase):
history = HistoricalRecords()
And I use a management command to...
Linseylinseywoolsey asked 16/8, 2017 at 12:26
1
I have a relatively complex model structure in a django project (v2.1.4). Let's say:
class Pizza(models.Model):
pass
class ToppingPlacedOnPizza(models.Model):
# Breaks a many-to-many relationsh...
4
Solved
After reading the accepted answer in When should we use prefetch? and examples from Prefetching Examples?, I still have a lot of issues with understanding when to actually use prefetch. While those...
Disposed asked 14/5, 2022 at 21:30
9
Solved
I am still learning tensorflow and keras, and I suspect this question has a very easy answer I'm just missing due to lack of familiarity.
I have a PrefetchDataset object:
> print(tf_test)
$ <...
Succedaneum asked 17/6, 2020 at 18:51
4
Solved
I have a very simple UICollectionView that uses compositional layout to easily achieve dynamic cell heights. Unfortunately doing that seems to disable content prefetching using UICollectionViewData...
Froze asked 4/7, 2020 at 8:22
1
Solved
1
Say, I've got a product instance. Product instance linked to 4th level child category. If I only want to get root category and 4th level child category the query below is enough to fetch data with ...
0
My understanding of Intel CPUs in general is that demand loads to consecutive physical addresses trigger the L2 hardware stream prefetcher, which can prefetch quite far in advance up to the page bo...
Dogberry asked 24/2, 2022 at 0:40
2
Let's say I have following models
class Foo(models.Model):
...
class Prop(models.Model):
...
class Bar(models.Model):
foo: models.ForeignKey(Foo, related_name='bars', ...)
prop: models.Forei...
Factor asked 7/2, 2019 at 8:45
1
Solved
I have seem some examples of how to prefetch_related fields in a forward and backward relationship in Django, but I have doubts about how can this be applied if we want to prefetch all the fields o...
Keelby asked 27/5, 2021 at 9:24
4
Preload and prefetch are both used to request resources in advance so that later resource loading can be quick. It seems that I can interchange the two
<link rel="preload" href="foo.js" as="scr...
1
Solved
I read many blogs everyone mentions that Next.js prefetches the Link but it was not working for me.
Here is my chrome network tab:
that is my code that I tried:
import Link from 'next/link'
expo...
0
Intel hardware Prefetcher Intel website shows that there are four kinds of hardware prefechers. The prefetcher controlled by bit 3 is the L1 stride prefetcher. I am running a test code to test what...
Underbody asked 24/2, 2021 at 2:48
4
Solved
I have loop like this
start = __rdtsc();
unsigned long long count = 0;
for(int i = 0; i < N; i++)
for(int j = 0; j < M; j++)
count += tab[i][j];
stop = __rdtsc();
time = (stop - start) * 1...
1
How disable rel="prefetch" in dynamic route import?
I'm using @vue/cli 4.3.1 and Webpack 4.43.0, trying to disable prefetch:
in route.js
const Registration = () => import( /* webpackPr...
Ringo asked 2/6, 2020 at 10:53
3
According to this link prefetch , prefetching is working only for specific browsers. Unfortunately for me, I need it to work mostly on mobile devices.
Anyone have a solution how to preload, prefe...
6
Solved
Some CPU and compilers supply prefetch instructions. Eg: __builtin_prefetch in GCC Document. Although there is a comment in GCC's document, but it's too short to me.
I want to know, in practice, wh...
Rogelioroger asked 20/12, 2013 at 5:54
2
I have the current model in my Django app:
class Referentiel(models.Model):
code = models.CharField(max_length=50)
libelle = models.CharField(max_length=100)
class Reference(models.Model):
re...
Fresno asked 24/2, 2015 at 15:16
1
Solved
I am following TensorFlow's Image Segmentation tutorial. In there there are the following lines:
train_dataset = train.cache().shuffle(BUFFER_SIZE).batch(BATCH_SIZE).repeat()
train_dataset = train...
Minify asked 7/12, 2019 at 17:59
0
I have a handful of entries that each has dozens of "tags" when I try to fetch that data it causes hundreds of queries. While using prefetching works on all of my other models and links, it does no...
Dahlia asked 19/5, 2020 at 6:22
3
Solved
I'm recently working on some website optimization works, and I start using code splitting in webpack by using import statement like this:
import(/* webpackChunkName: 'pageB-chunk' */ './pageB')
W...
Adust asked 21/1, 2020 at 10:13
3
I am using the new prefetchDataSource of UITableView (also can be applied to UICollectionView. The problem that I am having is the following:
I am implementing func tableView(_ tableView: UITabl...
Zareba asked 7/3, 2017 at 10:40
3
I'm trying out the <link rel="dns-prefetch"> and <link rel="preconnect"> tags and I'm trying to see whether they help for my site. I can't find any online resources about how verify if ...
2
I am working on data prefetch in CUDA (Fermi GPU) through C code. Cuda reference manual talks about the prefetching at ptx level code not at C level code.
Can anyone connect me with some documents...
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