pgo | A fast , simple and component based go web framework | Web Framework library
kandi X-RAY | pgo Summary
kandi X-RAY | pgo Summary
PGO应用框架即"Pinguo GO application framework",是Camera360广告服务端团队研发的一款简单、高性能、组件化的GO应用框架。受益于GO语言高性能与原生协程,业务从php+yii2升级到PGO后,线上表现单机处理能力提高10倍。PGO吸收了php-yii2/php-msf/go-gin等框架的设计思想,平衡了开发效率和运行性能,使用PGO可快速地开发出高性能的web应用程序。.
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Top functions reviewed by kandi - BETA
- CleanPath cleans a path
- VersionCompare compares two versions .
- Configure configures a given object
- PanicTrace returns a string containing the current stack trace .
- get value from data
- STMergeField copies fields from s2 to s2 .
- MapSet sets a map of key to value .
- STMergeSame is the same as STMergeSame .
- ToBool converts an interface to bool .
- ConstructAndInit calls the given struct with the given parameters .
pgo Key Features
pgo Examples and Code Snippets
Community Discussions
Trending Discussions on pgo
QUESTION
We are trying to refactor the interpreter loop SWI-Prolog. That is a giant function using GCC's label addresses to refer to the virtual machine instructions. This function has a number of VM register variables. It turns out that it makes a difference whether one writes
...ANSWER
Answered 2021-May-11 at 14:53Based on your further tests, it sounds like the performance hit comes from taking the address of one or more of the struct members and passing it to a function that the compiler can't see. I believe that when you do this, the compiler has to assume that the entire struct has escaped. This inhibits many possible optimizations: it means that the struct has to be laid out in memory, and moreover that members have to be stored to and reloaded from that memory around every function call.
To see why, look at an example like this:
QUESTION
Sorry in advance for the long description, but it seemed like the prudent course of action.
I am having a problem getting a combo box to correctly populate a text field in a subform.
Based on surfing the web and some helpful guidance on adding VBA to forms earlier this week here is what I tried.
I have created a table tblPgo
showing several probabilities of a project proceeding and a corresponding descriptions.
I have a second table tblDetails
containing information about the items we are selling.
These two tables interact in a subform tblDetals subform
.
I added a combo box cmbPgoValue
to the subform. The combo box gets its data from tblPgo
Control Source is Pgo
Row Source is SELECT [tblPgo].[PgoID], [tblPgo].[Pgo], [tblPgo].[PgoDescription] FROM tblPgo ORDER BY [Pgo];
The Row Source syntax was created by the combo box wizard.
In the subform, I created an unbound text box called Pgo Description
to receive the PgoDecription text corresponding to the selected Pgo value from the combo box.
cmbPgoValue
has the following After Update Event code
ANSWER
Answered 2020-Jul-30 at 23:41That is to be expected with UNBOUND textbox. There is only the one Description textbox so all records will show the same info. Should not be duplicating this info into tblDetails. Instead of VBA, just have expression in textbox ControlSource:
=cmbPgoValue.Column(2)
QUESTION
From reading the source code of LLVM in lib/Transforms/IPO/Inliner.cpp
I found that LLVM designed the actual inliner pass as a CGSCC pass, and then there is ModuleInlinerWrapperPass
that wraps around the CGSCC pass to do per-module inlining.
Peeking inside PassBuilder.cpp
, I found the module-level inliner wrapper pass is typically run at the PGO-instrumentation stage (as part of the addPGOInstrPipeline
pipeline), as well as the LTO stage.
I was interested in the differences between the CGSCC pass and the module-level pass and which one is scheduled earlier, so I added some LLVM_DEBUG statements to print from the initializer of the module-level pass. seems like by default opt -O2
does not run the module-level inliner; instead, it runs the CGSCC pass quite early in the optimization pipeline.
My question is: When is the module-level inliner pass run in the optimization pipeline (if ever), and what is its relationship with the CGSCC inliner pass?
...ANSWER
Answered 2020-Jul-15 at 05:06This question boils down to the difference between the new PassManager and old PassManager in LLVM.
Essentially, there are two ways to write a pass: either we can use the new PassManager (with pass classes extending PassInfoMixin<...>
) or use the legacy PassManager (with pass classes extending ModulePass
/CGSCCPass
/FunctionPass
...).
The new PassManager uses the PassBuilder
class to schedule passes into pipelines and then run the pipeline in the sequence it is scheduled. The ModuleInlinerWrapperPass
is essentially a module-level wrapper pass in order for the new PassManager to schedule inliner into its existing module-level optimization pipeline.
QUESTION
I am working with a tab-delimited text file (a GENCODE GTF file) and wish to calculate the difference between columns 5 and 4 of each line, then append the result to the end of each line, respectively.
This is a sample of the 2,604,491 line file:
...ANSWER
Answered 2020-Jun-09 at 18:57Best/revised answer based on comments:
QUESTION
I want to be able to calculate the average number of exons per exonic feature in a GENCODE GTF file using bash code.
As an example, the output should be 6
, if you determine that one feature has 4 exons
and another feature has 8 exons
in a GTF where only two exonic features exist (i.e., a single number being the average of the number of exons per exonic feature). I do not mind if it prints to the shell or if I have to access it in an output.txt file.
GENCODE GTF files contain the following layout:
...ANSWER
Answered 2020-Jun-08 at 18:30Well, I still do not get the whole story. So anyway:
QUESTION
i have created PostgreSQL cluster using crunchydata pgo operator in a namespace with istio-injection enabled.but now getting api server connection refused.
...ANSWER
Answered 2020-Jun-05 at 13:44To add Your Database to istio service mesh You can use ServiceEntry
object.
ServiceEntry
enables adding additional entries into Istio’s internal service registry, so that auto-discovered services in the mesh can access/route to these manually specified services. A service entry describes the properties of a service (DNS name, VIPs, ports, protocols, endpoints). These services could be external to the mesh (e.g., web APIs) or mesh-internal services that are not part of the platform’s service registry (e.g., a set of VMs talking to services in Kubernetes). In addition, the endpoints of a service entry can also be dynamically selected by using theworkloadSelector
field. These endpoints can be VM workloads declared using theWorkloadEntry
object or Kubernetes pods. The ability to select both pods and VMs under a single service allows for migration of services from VMs to Kubernetes without having to change the existing DNS names associated with the services.
Example of ServiceEntry
yaml manifest for database:
QUESTION
I'm trying to follow the instructions here to add PGO for my project. After I added the /GENPROFILE
flag, I start getting the link error:
ANSWER
Answered 2020-May-27 at 15:43I ended up updating my build configuration/scripts to dynamically update the LibraryPath
to add the appropriate, architecture-specific version of $(VC_LibraryPath_VC_x64_Desktop)
when compiling for PGO.
QUESTION
According to this demo there should be an extra context-menu item when right-clicking on a project with sub-options "Instrument", "Update", "Optimize" and "Run".
In the Community edition I do not see these options.
Is there a specific option I should enable in the installer or is this feature simply not available in the community edition?
I could not find anything about PGO in the comparison chart.
...ANSWER
Answered 2020-Mar-08 at 22:20According to the comment made in the demo video (in 2012) it is only available in Pro-plus SKUs of Visual Studio.
An alternative is to use GCC which has PGO features.
QUESTION
I'm trying to build my software on an ARMv7 board with Arch Linux. Also I build for my software a PGO build. The first build compiles without errors, but the second build crashs than I'm using my profile optimized directory for the build. I got this error message here
...ANSWER
Answered 2017-Aug-10 at 11:16This happened to me many times during my builds due to either being,
- Memory is full
- Disk is full
I got the same 'couldn't allocate memory' error in both cases. Just check the memory usage from top
command to see if all RAM/Swap memory is used.
Also check the disk usage using df
command. e.g df -kh
to see your compilation drive is full
When it comes to memory if it's a 32 bit system max memory will be limited to 2^32 ~ 4GB. See 3GB barrier. Increasing the swap size will not help.
If it's a 64 bit system, memory limit is high, so other possibility may be a permission issue in any file(s)/folder that compiler/limker trying to access.
QUESTION
I'm trying to figure out how to work lists/arrays in Cython, which seems impossibly complex, so I would prefer to just use C++ lists as I saw some people use on SO. However when I've ran their code, I'm getting a gcc+ compile error in ipynb. Cython data structures are infuriating.
When ran alone in a cell I get this error, I've tried importing with and without the %%cython magic call and both error...
'''
...ANSWER
Answered 2019-Aug-09 at 07:00I think this is a Mac issue, which limits my ability to help. However, the key error message seems to be:
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