MESSAGE
| DATE | 2016-12-21 |
| FROM | Ruben Safir
|
| SUBJECT | Re: [Learn] Noobdy is home
|
From learn-bounces-at-nylxs.com Wed Dec 21 22:37:22 2016
Return-Path:
X-Original-To: archive-at-mrbrklyn.com
Delivered-To: archive-at-mrbrklyn.com
Received: from www.mrbrklyn.com (www.mrbrklyn.com [96.57.23.82])
by mrbrklyn.com (Postfix) with ESMTP id 5DDFF161312;
Wed, 21 Dec 2016 22:37:22 -0500 (EST)
X-Original-To: learn-at-nylxs.com
Delivered-To: learn-at-nylxs.com
Received: from [10.0.0.62] (flatbush.mrbrklyn.com [10.0.0.62])
by mrbrklyn.com (Postfix) with ESMTP id DFA63160E77;
Wed, 21 Dec 2016 22:37:19 -0500 (EST)
To: learn-at-nylxs.com
References: <20161221222023.241AE2EB50-at-panix3.panix.com>
<20161221233753.GA23084-at-www.mrbrklyn.com> <1482374226344.5903-at-liu.edu>
<07a86170-7a00-89ba-a23a-21dd5766f305-at-panix.com>
From: Ruben Safir
Message-ID:
Date: Wed, 21 Dec 2016 22:37:19 -0500
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101
Thunderbird/45.5.1
MIME-Version: 1.0
In-Reply-To: <07a86170-7a00-89ba-a23a-21dd5766f305-at-panix.com>
Content-Type: multipart/mixed; boundary="------------BE7BE0A44A33F46D100587AE"
Subject: Re: [Learn] Noobdy is home
X-BeenThere: learn-at-nylxs.com
X-Mailman-Version: 2.1.17
Precedence: list
List-Id:
List-Unsubscribe: ,
List-Archive:
List-Post:
List-Help:
List-Subscribe: ,
Errors-To: learn-bounces-at-nylxs.com
Sender: "Learn"
This is a multi-part message in MIME format.
--------------BE7BE0A44A33F46D100587AE
Content-Type: text/plain; charset=windows-1252
Content-Transfer-Encoding: 7bit
On 12/21/2016 10:10 PM, Ruben Safir wrote:
> On 12/21/2016 09:37 PM, Samir Iabbassen wrote:
>> did students boycott the final?
>
> darn if I know.
>
> The school is empty. The schedule said we had a final in our room. The
> room was open with no one there.
>
> I need your expertise to help find a way to solve this. It's like
> dealing with a rubics cube, and this problem must have been solved a
> million times.
>
I GOT IT!! I didn't ingrate it into the main program but this is the prototype
/*
* =====================================================================================
*
* Filename: test.cpp
*
* Description: Threading Experiment
*
* Version: 1.0
* Created: 12/18/2016 12:46:51 PM
* Revision: none
* Compiler: gcc
*
* Author: Ruben Safir (mn), ruben-at-mrbrklyn.com
* Company: NYLXS Inc
*
* =====================================================================================
*/
#include
#include
#include
std::mutex medco;
std::mutex master;
namespace testing{
std::thread t[10];
class PIC
{
public:
PIC():source_index{&source[0]}
{
canvas_index = canvas;
std::cout << "Testing Source" << std::endl;
for(int i = 0; i<100; i++)
{
std::cout << i << " " << source[i] << std::endl ;
}
for(int i = 0; i < 10;i++)
{
t[i] = std::thread([this]{ readin(); });
std::cerr << i << ": Making a thread" << std::endl;
}
};
~PIC()
{
std::cerr << "In the destructor" << std::endl;
for(int i=0; i<10; i++)
{
t[i].join();
std::cerr << i << ": Joining a thread" << std::endl;
}
};
void readin()
{
char * loc_canvas_index;
char * loc_source_index;
sync_canvas_and_input(loc_canvas_index, loc_source_index);
for( int i = 9; i>=0; i-- )
{
*loc_canvas_index = loc_source_index[i];
std::cerr << i << ": Copy " << loc_source_index[i] << std::endl;
std::cerr << i << ": Copied to loc_canvas_index " << reinterpret_cast(*loc_canvas_index) << std::endl;
loc_canvas_index++;
}
};
void sync_canvas_and_input(char * &loc_canvas_index, char * &loc_source_index )
{
std::cout << "**LOCKING**" << std::endl;
std::lock_guard turn(medco);
loc_canvas_index = canvas_index;
loc_source_index = source_index;
source_index += 10;
canvas_index += 10;
};
char * get_canvas()
{
return canvas;
}
char * get_canvas_index()
{
return canvas_index;
}
char * get_source_index()
{
return source_index;
}
private:
char * canvas = new char[100]{
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z'
};
char * canvas_index;
char source[100] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'
};
char * source_index;
};
}//end namespace
int main(int argc, char** argv)
{
testing::PIC fido;
for(int i = 0; i<100;i++)
{
std::cout << i << " Canvas Position " << fido.get_canvas()[i] << std::endl;
}
return 0;
}
>> ________________________________________
>> From: Ruben Safir
>> Sent: Wednesday, December 21, 2016 6:37 PM
>> To: learn-at-nylxs.com
>> Cc: Samir Iabbassen
>> Subject: Noobdy is home
>>
>> I'm at the school and nobdy is here. Rodriguez is giving a final, but
>> the 6th floor is emtpy as is the department.
>>
>>
>> --
>> So many immigrant groups have swept through our town
>> that Brooklyn, like Atlantis, reaches mythological
>> proportions in the mind of the world - RI Safir 1998
>> http://www.mrbrklyn.com
>>
>> DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
>> http://www.nylxs.com - Leadership Development in Free Software
>> http://www2.mrbrklyn.com/resources - Unpublished Archive
>> http://www.coinhangout.com - coins!
>> http://www.brooklyn-living.com
>>
>> Being so tracked is for FARM ANIMALS and and extermination camps,
>> but incompatible with living as a free human being. -RI Safir 2013
>>
>>
>> _______________________________________________
>> Learn mailing list
>> Learn-at-nylxs.com
>> http://lists.mrbrklyn.com/mailman/listinfo/learn
>>
>
>
--
So many immigrant groups have swept through our town
that Brooklyn, like Atlantis, reaches mythological
proportions in the mind of the world - RI Safir 1998
http://www.mrbrklyn.com
DRM is THEFT - We are the STAKEHOLDERS - RI Safir 2002
http://www.nylxs.com - Leadership Development in Free Software
http://www2.mrbrklyn.com/resources - Unpublished Archive
http://www.coinhangout.com - coins!
http://www.brooklyn-living.com
Being so tracked is for FARM ANIMALS and and extermination camps,
but incompatible with living as a free human being. -RI Safir 2013
--------------BE7BE0A44A33F46D100587AE
Content-Type: text/plain; charset=UTF-8;
name="makefile"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
filename="makefile"
tesitng :
g++ -Wall -pthread -ggdb ./test.cpp
--------------BE7BE0A44A33F46D100587AE
Content-Type: text/x-c++src;
name="test.cpp"
Content-Transfer-Encoding: 7bit
Content-Disposition: attachment;
filename="test.cpp"
/*
* =====================================================================================
*
* Filename: test.cpp
*
* Description: Threading Experiment
*
* Version: 1.0
* Created: 12/18/2016 12:46:51 PM
* Revision: none
* Compiler: gcc
*
* Author: Ruben Safir (mn), ruben-at-mrbrklyn.com
* Company: NYLXS Inc
*
* =====================================================================================
*/
#include
#include
#include
std::mutex medco;
std::mutex master;
namespace testing{
std::thread t[10];
class PIC
{
public:
PIC():source_index{&source[0]}
{
canvas_index = canvas;
std::cout << "Testing Source" << std::endl;
for(int i = 0; i<100; i++)
{
std::cout << i << " " << source[i] << std::endl ;
}
for(int i = 0; i < 10;i++)
{
t[i] = std::thread([this]{ readin(); });
std::cerr << i << ": Making a thread" << std::endl;
}
};
~PIC()
{
std::cerr << "In the destructor" << std::endl;
for(int i=0; i<10; i++)
{
t[i].join();
std::cerr << i << ": Joining a thread" << std::endl;
}
};
void readin()
{
char * loc_canvas_index;
char * loc_source_index;
sync_canvas_and_input(loc_canvas_index, loc_source_index);
for( int i = 9; i>=0; i-- )
{
*loc_canvas_index = loc_source_index[i];
std::cerr << i << ": Copy " << loc_source_index[i] << std::endl;
std::cerr << i << ": Copied to loc_canvas_index " << reinterpret_cast(*loc_canvas_index) << std::endl;
loc_canvas_index++;
}
};
void sync_canvas_and_input(char * &loc_canvas_index, char * &loc_source_index )
{
std::cout << "**LOCKING**" << std::endl;
std::lock_guard turn(medco);
loc_canvas_index = canvas_index;
loc_source_index = source_index;
source_index += 10;
canvas_index += 10;
};
char * get_canvas()
{
return canvas;
}
char * get_canvas_index()
{
return canvas_index;
}
char * get_source_index()
{
return source_index;
}
private:
char * canvas = new char[100]{
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z',
'z', 'z','z','z','z','z','z','z','z','z'
};
char * canvas_index;
char source[100] = {
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j'
};
char * source_index;
};
}//end namespace
int main(int argc, char** argv)
{
testing::PIC fido;
for(int i = 0; i<100;i++)
{
std::cout << i << " Canvas Position " << fido.get_canvas()[i] << std::endl;
}
return 0;
}
--------------BE7BE0A44A33F46D100587AE
Content-Type: text/plain; charset="us-ascii"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
Content-Disposition: inline
_______________________________________________
Learn mailing list
Learn-at-nylxs.com
http://lists.mrbrklyn.com/mailman/listinfo/learn
--------------BE7BE0A44A33F46D100587AE--
|
|
