AI | 对吴恩达的深度学习课进行整理 | Machine Learning library
kandi X-RAY | AI Summary
kandi X-RAY | AI Summary
对吴恩达的深度学习课进行整理
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QUESTION
ANSWER
Answered 2021-Jun-16 at 01:11The problem is that your CSS selectors include parentheses ()
and dollar signs $
. These symbols already have a special meaning. See:
You can escape these characters using a backslash \
.
QUESTION
I tried to create a notebook instance in GCP AI platform , which is not getting created . I can see the error as-
"There are no available networks. Make sure there is atleast a network within this region".
Thanks in advance.
...ANSWER
Answered 2021-Jun-15 at 19:43If you are trying to create the AI notebook instance in a region that does not contain any subnetwork, it will throw this error[1].
In order to resolve your issue, try one of the following:
For creating a Notebook instance in the same region, you need to create a subnet in that region for the VPC network you are using. To create a new subnet you can follow this documentation [2].
Or else you can create a Notebook instance in some other region where the subnet is available. To create a notebook instance you can follow this documentation [3].
[1]- ‘There are no available networks. Make sure there is at least a network within this region’.
[2]- https://cloud.google.com/vpc/docs/using-vpc#add-subnets
QUESTION
The Question
How do I best execute memory-intensive pipelines in Apache Beam?
Background
I've written a pipeline that takes the Naemura Bird dataset and converts the images and annotations to TF Records with TF Examples of the required format for the TF object detection API.
I tested the pipeline using DirectRunner with a small subset of images (4 or 5) and it worked fine.
The Problem
When running the pipeline with a bigger data set (day 1 of 3, ~21GB) it crashes after a while with a non-descriptive SIGKILL
.
I do see a memory peak before the crash and assume that the process is killed because of a too high memory load.
I ran the pipeline through strace
. These are the last lines in the trace:
ANSWER
Answered 2021-Jun-15 at 13:51Multiple things could cause this behaviour, because the pipeline runs fine with less Data, analysing what has changed could lead us to a resolution.
Option 1 : clean your input dataThe third line of the logs you provide might indicate that you're processing unclean data in your bigger pipeline mmap(NULL,
could mean that | "Get Content" >> beam.Map(lambda x: x.read_utf8())
is trying to read a null value.
Is there an empty file somewhere ? Are your files utf8 encoded ?
Option 2 : use smaller files as inputI'm guessing using the fileio.ReadMatches()
will try to load into memory the whole file, if your file is bigger than your memory, this could lead to errors. Can you split your data into smaller files ?
If files are too big for your current machine with a DirectRunner
you could try to use an on-demand infrastructure using another runner on the Cloud such as DataflowRunner
QUESTION
One can use _mm256_packs_epi32. as follows: __m256i e = _mm256_packs_epi32 ( ai, bi);
In the debugger, I see the value of ai: m256i_i32 = {0, 1, 0, 1, 1, 1, 0, 1}
. I also see the value of bi: m256i_i32 = {1, 1, 1, 1, 0, 0, 0, 1}
. The packing gave me e: m256i_i16 = {0, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 1, 0, 0, 0, 1}
. The packing is interleaved. So we have in e first four numbers in ai, first four numbers in bi, last four numbers in ai, last four numbers in bi in that order.
I am wondering if there is an instruction that just packs ai and bi side by side without the interleaving.
vpermq after packing would work, but I'm wondering if there's a single instruction to achieve this.
...ANSWER
Answered 2021-Jun-15 at 08:28No sequential-across-lanes pack until AVX-512, unfortunately. (And even then only for 1 register, or not with saturation.)
The in-lane behaviour of shuffles like vpacksswd
and vpalignr
is one of the major warts of AVX2 that make the 256-bit versions of those shuffles less useful than their __m128i
versions. But on Intel, and Zen2 CPUs, it is often still best to use __m256i
vectors with a vpermq
at the end, if you need the elements in a specific order. (Or vpermd
with a vector constant after 2 levels of packing: How do I efficiently reorder bytes of a __m256i vector (convert int32_t to uint8_t)?)
If your 32-bit elements came from unpacking narrower elements, and you don't care about order of the wider elements, you can widen with in-lane unpacks, which sets you up to pack back into the original order.
This is cheap for zero-extending unpacks: _mm256_unpacklo/hi_epi16
(with _mm256_setzero_si256()
). That's as cheap as vpmovzxwd
(_mm256_cvtepu16_epi32
), and is actually better because you can do 256-bit loads of your source data and unpack two ways, instead of narrow loads to feed vpmovzx...
which only works on data at the bottom of an input register. (And memory-source vpmovzx... ymm, [mem]
can't micro-fuse the load with a YMM destination, only for the 128-bit XMM version, on Intel CPUs, so the front-end cost is the same as separate load and shuffle instructions.)
But that trick doesn't work work quite as nicely for data you need to sign-extend. vpcmpgtw
to get high halves for vpunpckl/hwd
does work, but vpermq
when re-packing is about as good, just different execution-port pressure. So vpmovsxwd
is simpler there.
Slicing up your data into odd/even instead of low/high can also work, e.g. to get 16 bit elements zero-extended into 32-bit elements:
QUESTION
I'm trying to figure out how to fix this problem. I tried to use 'for loop' to set multiple ranges with one function but got error message.
'Exception: The parameters (String) don't match the method signature for SpreadsheetApp.ConditionalFormatRuleBuilder.setRanges.'
Here's my code.
...ANSWER
Answered 2021-Jun-14 at 09:02I believe your goal as follows.
- You want to set the conditional format rules for each range with each formula.
- The range is created by the for loop of
for (let i = 3; i < 25; i++) {,,,}
. - The formula is created by
const formula = '=sum($' + columnStart[z] + '6:$' + columnEnd[z + 6] + '6)>=40';
.
- When I saw your script, it seems that
range
ofLogger.log(range)
is the string value. But whensetRanges(range)
is used,range
is required to be the Range object. I think that this might be the reason of your issue. - And, in your situation, how about the following flow?
- Put each range to an array of
rules
ofrules = sheet.getConditionalFormatRules()
.- For this, in my answer, I used RangeList.
- Use
rules
withsheet.setConditionalFormatRules(rules)
put outside of the loop.
- Put each range to an array of
When above points are reflected to your script, it becomes as follows.
Modified script:QUESTION
Let's say we have a students' score data df1
and credit data df2
as follows:
df1:
...ANSWER
Answered 2021-Jun-14 at 16:14QUESTION
I am having a hard time understanding an error related to "could not find value for implicits" error. Here is a minimal example to highlight the error.
...ANSWER
Answered 2021-Jun-14 at 22:14Even though the types are sealed and seemingly you provided all type class instances
(one for each Ai, Bj)
this does not cover all the possible cases specified by type bounds in
QUESTION
I'm working on a 2D game in Unity and am using the A* Pathfinding Package from Aron Granberg.
Everything appears to be working fine. AIPaths are being generated and AI Agents are navigating from point to point and avoiding obstacles as expected. It's fine except for one thing.
The position.z
of the AI Agent is incorrect.
The spawn origin of the AI Agent has a z of 0, and the target point has a z of 0, yet the AI Agent's z fluctuates between -9 and -1 as it traverses the path. The path itself appears to have a z position of 0 at each waypoint.
I haven't modified the code in the package at all and just followed the documentation when setting it up for 2D.
Any ideas what could be causing this?
NOTE: I haven't included a screenshot of it, but the prefab that is being spawned in as the AI Agent has a transform position of (0,0,0).
The A-star pathfinder object:
The AI Agent object (note that the Z pos is not 0):
The spawn point object that sets the spawn for the AI agent:
The destination target object that the AI Agent is heading to:
...ANSWER
Answered 2021-Jun-14 at 02:09In case anyone else runs into this problem.
The fix was to add a Rigidbody2D to my AI Agent and set the gravity scale to 0.
Even though my game doesn't use Unity's physics system for movement and the Astar package can move AI agents by transform, for some reason it requires a Rigidbody to keep the Z position at 0.
I'm still not really sure why this solves the problem because, when I was debugging the third-party Astar code, it always returned nextPosition values with a Z position of 0 yet the actual position that the AI Agent was updated to had varying Z positions...
If you have more info, leave a comment and I'll add it to the answer.
QUESTION
I am attempting to download a file from a web server using the standard TIdHTTP
and TIdSSLIOHandler
components in Delphi 10.4:
ANSWER
Answered 2021-Jun-13 at 19:01Instead of loading the resource to memory temporarily, directly load it to the local file using a TFileStream:
QUESTION
So I was working on an AI voice assistant and I tried importing the speech_recognition module into my code but it didn't work. I installed the module using:
pip install SpeechRecognition
It got installed correctly. Then when I tried to import the module using:
...ANSWER
Answered 2021-Jun-13 at 13:00I think there is two ways of trying to solve this
1- Try Restarting your Editor
2- Try this:
python -m pip install SpeechRecognition
then restart the Editor.
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