What is the LaTeX equivalent of ConTeXt testfeatureonce to benchmark performance

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ConTeXt provides a macro testfeatureonce to benchmark performance. The syntax is

testfeatureoncen...

which runs the code in the second argument n times (n is assumed to be an integer) and stores the elapsed time (in seconds) in the macro elapasedtime. The following diagnostic message is also printed on the terminal:

system > starting feature test (n=1)
system > 1 feature tests done (1.353s)


Here is a minimal ConTeXt document showing it's usage:

starttext

testfeatureonce1000
 setbox0hbox
 startMPcode draw (0,0) -- (1cm, 1cm); stopMPcode

elapsedtime
stoptext

What is the functionally equivalent macro in LaTeX used for benchmarking performance?

context performance

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asked 2 hours ago

Aditya

54.4k2108230

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up vote
3
down vote

favorite

ConTeXt provides a macro testfeatureonce to benchmark performance. The syntax is

testfeatureoncen...

which runs the code in the second argument n times (n is assumed to be an integer) and stores the elapsed time (in seconds) in the macro elapasedtime. The following diagnostic message is also printed on the terminal:

system > starting feature test (n=1)
system > 1 feature tests done (1.353s)


Here is a minimal ConTeXt document showing it's usage:

starttext

testfeatureonce1000
 setbox0hbox
 startMPcode draw (0,0) -- (1cm, 1cm); stopMPcode

elapsedtime
stoptext

What is the functionally equivalent macro in LaTeX used for benchmarking performance?

context performance

share|improve this question

asked 2 hours ago

Aditya

54.4k2108230

add a comment | 

up vote
3
down vote

favorite

up vote
3
down vote

favorite

ConTeXt provides a macro testfeatureonce to benchmark performance. The syntax is

testfeatureoncen...

which runs the code in the second argument n times (n is assumed to be an integer) and stores the elapsed time (in seconds) in the macro elapasedtime. The following diagnostic message is also printed on the terminal:

system > starting feature test (n=1)
system > 1 feature tests done (1.353s)


Here is a minimal ConTeXt document showing it's usage:

starttext

testfeatureonce1000
 setbox0hbox
 startMPcode draw (0,0) -- (1cm, 1cm); stopMPcode

elapsedtime
stoptext

What is the functionally equivalent macro in LaTeX used for benchmarking performance?

context performance

share|improve this question

asked 2 hours ago

Aditya

54.4k2108230

ConTeXt provides a macro testfeatureonce to benchmark performance. The syntax is

testfeatureoncen...

which runs the code in the second argument n times (n is assumed to be an integer) and stores the elapsed time (in seconds) in the macro elapasedtime. The following diagnostic message is also printed on the terminal:

system > starting feature test (n=1)
system > 1 feature tests done (1.353s)


Here is a minimal ConTeXt document showing it's usage:

starttext

testfeatureonce1000
 setbox0hbox
 startMPcode draw (0,0) -- (1cm, 1cm); stopMPcode

elapsedtime
stoptext

What is the functionally equivalent macro in LaTeX used for benchmarking performance?

context performance

context performance

share|improve this question

asked 2 hours ago

Aditya

54.4k2108230

share|improve this question

asked 2 hours ago

Aditya

54.4k2108230

share|improve this question

share|improve this question

asked 2 hours ago

Aditya

54.4k2108230

asked 2 hours ago

Aditya

54.4k2108230

asked 2 hours ago

Aditya

54.4k2108230

54.4k2108230

add a comment | 

add a comment | 

2 Answers
2

active

oldest

votes

up vote
3
down vote

With pdfTeX you can simulate the behaviour using pdfresettimer and pdfelapsedtime. I used some expl3 wrappers to make the same syntax as the ConTeXt version.

documentclassarticle
usepackagexparse
usepackagetikz

%% For LuaTeX
% defpdfresettimerdirectluapdfelapsedtimer_basetime = os.clock()
% defpdfelapsedtimedirectluatex.print((os.clock()-pdfelapsedtimer_basetime)*65536)
%%

ExplSyntaxOn
cs_set_eq:NN __tfo_start_timer: pdfresettimer
cs_set_eq:NN __tfo_elapsed_time: pdfelapsedtime
cs_new:Npn __tfo_output:n #1
 
 iow_term:x
 
 >~#1~feature~tests~done~
 (fp_eval:n round ( __tfo_elapsed_time: / 65536 , 3 ) s)
 
 
cs_new:Npn __tfo_run_n_times:nn #1 #2
 
 if_int_compare:w #1 > 0 scan_stop:
 exp_after:wN __tfo_run_n_times:nn
 exp_after:wN int_value:w __int_eval:w #1 - 1 #2 
 fi:
 
NewDocumentCommandTestFeatureOnce
 m m 
 
 __tfo_start_timer:
 __tfo_run_n_times:nn #1 #2 
 __tfo_output:n #1 
 
ExplSyntaxOff

begindocument

TestFeatureOnce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm);

enddocument

For LuaTeX I used the code from this post (which is also implemented in pdftexcmds). However I used a slightly modified version that does not use a protecteddef to allow the returned pdfelapsedtime to be f-expanded by l3fp.

I don't know if this is possible in XeTeX without resorting to system commands...

share|improve this answer

edited 16 mins ago

answered 1 hour ago

Phelype Oleinik

18.9k54173

add a comment | 

up vote
2
down vote

For all I know, there's no such macro in the LaTeX2e base (perhaps LaTeX3 has something equivalent?). But we can look up the definition of testfeatureonce in the ConTeXt source code. The relevant definitions are in the syst-aux module.

That implementation makes use of the eTeX primitives pdfresettimer and pdfelapsedtime to reset an internal timer and get the elapsed time since the last reset, respectively. I didn't find a proper source for this, but it seems 65536 equals one second in the value returned by pdfelapsedtime.

A reimplementation in pure LaTeX code might look like this:

documentclassarticle
usepackagetikz

makeatletter
letresettimer=pdfresettimer
letelapsedtime=pdfelapsedtime

newcountc@syst@helpers@test@feature@n
newcountc@syst@helpers@test@feature@m

newcommandtestfeature[2]%
 c@syst@helpers@test@feature@m=#1relax
 defsyst@helpers@test@feature@step%
 advancec@syst@helpers@test@feature@n by 1relax
 ifnumc@syst@helpers@test@feature@n>c@syst@helpers@test@feature@melse
 #2expandaftersyst@helpers@test@feature@step
 fi
 %
 retestfeature


newcommandretestfeature
 bgroup
 ifcaseinteractionmode letwaitrelax fi
 resettimer
 c@syst@helpers@test@feature@n=0relax
 syst@helpers@test@feature@step
 wait
 egroup


newcommandtestfeatureonce[2]%
 begingroup
 letwaitrelax
 testfeature#1#2%
 endgroup


makeatother

begindocument

testfeatureonce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm); 

theelapsedtime

enddocument

share|improve this answer

answered 1 hour ago

siracusa

4,10911027

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
  – Aditya
  45 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  To make this solution work in luatex, we need to follow the approach used in this answer
  – Aditya
  30 mins ago
  
  

  
  
  
  

add a comment | 

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2 Answers
2

active

oldest

votes

2 Answers
2

active

oldest

votes

active

oldest

votes

active

oldest

votes

up vote
3
down vote

With pdfTeX you can simulate the behaviour using pdfresettimer and pdfelapsedtime. I used some expl3 wrappers to make the same syntax as the ConTeXt version.

documentclassarticle
usepackagexparse
usepackagetikz

%% For LuaTeX
% defpdfresettimerdirectluapdfelapsedtimer_basetime = os.clock()
% defpdfelapsedtimedirectluatex.print((os.clock()-pdfelapsedtimer_basetime)*65536)
%%

ExplSyntaxOn
cs_set_eq:NN __tfo_start_timer: pdfresettimer
cs_set_eq:NN __tfo_elapsed_time: pdfelapsedtime
cs_new:Npn __tfo_output:n #1
 
 iow_term:x
 
 >~#1~feature~tests~done~
 (fp_eval:n round ( __tfo_elapsed_time: / 65536 , 3 ) s)
 
 
cs_new:Npn __tfo_run_n_times:nn #1 #2
 
 if_int_compare:w #1 > 0 scan_stop:
 exp_after:wN __tfo_run_n_times:nn
 exp_after:wN int_value:w __int_eval:w #1 - 1 #2 
 fi:
 
NewDocumentCommandTestFeatureOnce
 m m 
 
 __tfo_start_timer:
 __tfo_run_n_times:nn #1 #2 
 __tfo_output:n #1 
 
ExplSyntaxOff

begindocument

TestFeatureOnce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm);

enddocument

For LuaTeX I used the code from this post (which is also implemented in pdftexcmds). However I used a slightly modified version that does not use a protecteddef to allow the returned pdfelapsedtime to be f-expanded by l3fp.

I don't know if this is possible in XeTeX without resorting to system commands...

share|improve this answer

edited 16 mins ago

answered 1 hour ago

Phelype Oleinik

18.9k54173

add a comment | 

up vote
3
down vote

With pdfTeX you can simulate the behaviour using pdfresettimer and pdfelapsedtime. I used some expl3 wrappers to make the same syntax as the ConTeXt version.

documentclassarticle
usepackagexparse
usepackagetikz

%% For LuaTeX
% defpdfresettimerdirectluapdfelapsedtimer_basetime = os.clock()
% defpdfelapsedtimedirectluatex.print((os.clock()-pdfelapsedtimer_basetime)*65536)
%%

ExplSyntaxOn
cs_set_eq:NN __tfo_start_timer: pdfresettimer
cs_set_eq:NN __tfo_elapsed_time: pdfelapsedtime
cs_new:Npn __tfo_output:n #1
 
 iow_term:x
 
 >~#1~feature~tests~done~
 (fp_eval:n round ( __tfo_elapsed_time: / 65536 , 3 ) s)
 
 
cs_new:Npn __tfo_run_n_times:nn #1 #2
 
 if_int_compare:w #1 > 0 scan_stop:
 exp_after:wN __tfo_run_n_times:nn
 exp_after:wN int_value:w __int_eval:w #1 - 1 #2 
 fi:
 
NewDocumentCommandTestFeatureOnce
 m m 
 
 __tfo_start_timer:
 __tfo_run_n_times:nn #1 #2 
 __tfo_output:n #1 
 
ExplSyntaxOff

begindocument

TestFeatureOnce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm);

enddocument

For LuaTeX I used the code from this post (which is also implemented in pdftexcmds). However I used a slightly modified version that does not use a protecteddef to allow the returned pdfelapsedtime to be f-expanded by l3fp.

I don't know if this is possible in XeTeX without resorting to system commands...

share|improve this answer

edited 16 mins ago

answered 1 hour ago

Phelype Oleinik

18.9k54173

add a comment | 

up vote
3
down vote

up vote
3
down vote

With pdfTeX you can simulate the behaviour using pdfresettimer and pdfelapsedtime. I used some expl3 wrappers to make the same syntax as the ConTeXt version.

documentclassarticle
usepackagexparse
usepackagetikz

%% For LuaTeX
% defpdfresettimerdirectluapdfelapsedtimer_basetime = os.clock()
% defpdfelapsedtimedirectluatex.print((os.clock()-pdfelapsedtimer_basetime)*65536)
%%

ExplSyntaxOn
cs_set_eq:NN __tfo_start_timer: pdfresettimer
cs_set_eq:NN __tfo_elapsed_time: pdfelapsedtime
cs_new:Npn __tfo_output:n #1
 
 iow_term:x
 
 >~#1~feature~tests~done~
 (fp_eval:n round ( __tfo_elapsed_time: / 65536 , 3 ) s)
 
 
cs_new:Npn __tfo_run_n_times:nn #1 #2
 
 if_int_compare:w #1 > 0 scan_stop:
 exp_after:wN __tfo_run_n_times:nn
 exp_after:wN int_value:w __int_eval:w #1 - 1 #2 
 fi:
 
NewDocumentCommandTestFeatureOnce
 m m 
 
 __tfo_start_timer:
 __tfo_run_n_times:nn #1 #2 
 __tfo_output:n #1 
 
ExplSyntaxOff

begindocument

TestFeatureOnce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm);

enddocument

For LuaTeX I used the code from this post (which is also implemented in pdftexcmds). However I used a slightly modified version that does not use a protecteddef to allow the returned pdfelapsedtime to be f-expanded by l3fp.

I don't know if this is possible in XeTeX without resorting to system commands...

share|improve this answer

edited 16 mins ago

answered 1 hour ago

Phelype Oleinik

18.9k54173

With pdfTeX you can simulate the behaviour using pdfresettimer and pdfelapsedtime. I used some expl3 wrappers to make the same syntax as the ConTeXt version.

documentclassarticle
usepackagexparse
usepackagetikz

%% For LuaTeX
% defpdfresettimerdirectluapdfelapsedtimer_basetime = os.clock()
% defpdfelapsedtimedirectluatex.print((os.clock()-pdfelapsedtimer_basetime)*65536)
%%

ExplSyntaxOn
cs_set_eq:NN __tfo_start_timer: pdfresettimer
cs_set_eq:NN __tfo_elapsed_time: pdfelapsedtime
cs_new:Npn __tfo_output:n #1
 
 iow_term:x
 
 >~#1~feature~tests~done~
 (fp_eval:n round ( __tfo_elapsed_time: / 65536 , 3 ) s)
 
 
cs_new:Npn __tfo_run_n_times:nn #1 #2
 
 if_int_compare:w #1 > 0 scan_stop:
 exp_after:wN __tfo_run_n_times:nn
 exp_after:wN int_value:w __int_eval:w #1 - 1 #2 
 fi:
 
NewDocumentCommandTestFeatureOnce
 m m 
 
 __tfo_start_timer:
 __tfo_run_n_times:nn #1 #2 
 __tfo_output:n #1 
 
ExplSyntaxOff

begindocument

TestFeatureOnce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm);

enddocument

For LuaTeX I used the code from this post (which is also implemented in pdftexcmds). However I used a slightly modified version that does not use a protecteddef to allow the returned pdfelapsedtime to be f-expanded by l3fp.

I don't know if this is possible in XeTeX without resorting to system commands...

share|improve this answer

edited 16 mins ago

answered 1 hour ago

Phelype Oleinik

18.9k54173

share|improve this answer

share|improve this answer

edited 16 mins ago

edited 16 mins ago

edited 16 mins ago

answered 1 hour ago

Phelype Oleinik

18.9k54173

answered 1 hour ago

Phelype Oleinik

18.9k54173

answered 1 hour ago

Phelype Oleinik

18.9k54173

18.9k54173

add a comment | 

add a comment | 

up vote
2
down vote

For all I know, there's no such macro in the LaTeX2e base (perhaps LaTeX3 has something equivalent?). But we can look up the definition of testfeatureonce in the ConTeXt source code. The relevant definitions are in the syst-aux module.

That implementation makes use of the eTeX primitives pdfresettimer and pdfelapsedtime to reset an internal timer and get the elapsed time since the last reset, respectively. I didn't find a proper source for this, but it seems 65536 equals one second in the value returned by pdfelapsedtime.

A reimplementation in pure LaTeX code might look like this:

documentclassarticle
usepackagetikz

makeatletter
letresettimer=pdfresettimer
letelapsedtime=pdfelapsedtime

newcountc@syst@helpers@test@feature@n
newcountc@syst@helpers@test@feature@m

newcommandtestfeature[2]%
 c@syst@helpers@test@feature@m=#1relax
 defsyst@helpers@test@feature@step%
 advancec@syst@helpers@test@feature@n by 1relax
 ifnumc@syst@helpers@test@feature@n>c@syst@helpers@test@feature@melse
 #2expandaftersyst@helpers@test@feature@step
 fi
 %
 retestfeature


newcommandretestfeature
 bgroup
 ifcaseinteractionmode letwaitrelax fi
 resettimer
 c@syst@helpers@test@feature@n=0relax
 syst@helpers@test@feature@step
 wait
 egroup


newcommandtestfeatureonce[2]%
 begingroup
 letwaitrelax
 testfeature#1#2%
 endgroup


makeatother

begindocument

testfeatureonce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm); 

theelapsedtime

enddocument

share|improve this answer

answered 1 hour ago

siracusa

4,10911027

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
  – Aditya
  45 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  To make this solution work in luatex, we need to follow the approach used in this answer
  – Aditya
  30 mins ago
  
  

  
  
  
  

add a comment | 

up vote
2
down vote

For all I know, there's no such macro in the LaTeX2e base (perhaps LaTeX3 has something equivalent?). But we can look up the definition of testfeatureonce in the ConTeXt source code. The relevant definitions are in the syst-aux module.

That implementation makes use of the eTeX primitives pdfresettimer and pdfelapsedtime to reset an internal timer and get the elapsed time since the last reset, respectively. I didn't find a proper source for this, but it seems 65536 equals one second in the value returned by pdfelapsedtime.

A reimplementation in pure LaTeX code might look like this:

documentclassarticle
usepackagetikz

makeatletter
letresettimer=pdfresettimer
letelapsedtime=pdfelapsedtime

newcountc@syst@helpers@test@feature@n
newcountc@syst@helpers@test@feature@m

newcommandtestfeature[2]%
 c@syst@helpers@test@feature@m=#1relax
 defsyst@helpers@test@feature@step%
 advancec@syst@helpers@test@feature@n by 1relax
 ifnumc@syst@helpers@test@feature@n>c@syst@helpers@test@feature@melse
 #2expandaftersyst@helpers@test@feature@step
 fi
 %
 retestfeature


newcommandretestfeature
 bgroup
 ifcaseinteractionmode letwaitrelax fi
 resettimer
 c@syst@helpers@test@feature@n=0relax
 syst@helpers@test@feature@step
 wait
 egroup


newcommandtestfeatureonce[2]%
 begingroup
 letwaitrelax
 testfeature#1#2%
 endgroup


makeatother

begindocument

testfeatureonce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm); 

theelapsedtime

enddocument

share|improve this answer

answered 1 hour ago

siracusa

4,10911027

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
  – Aditya
  45 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  To make this solution work in luatex, we need to follow the approach used in this answer
  – Aditya
  30 mins ago
  
  

  
  
  
  

add a comment | 

up vote
2
down vote

up vote
2
down vote

For all I know, there's no such macro in the LaTeX2e base (perhaps LaTeX3 has something equivalent?). But we can look up the definition of testfeatureonce in the ConTeXt source code. The relevant definitions are in the syst-aux module.

That implementation makes use of the eTeX primitives pdfresettimer and pdfelapsedtime to reset an internal timer and get the elapsed time since the last reset, respectively. I didn't find a proper source for this, but it seems 65536 equals one second in the value returned by pdfelapsedtime.

A reimplementation in pure LaTeX code might look like this:

documentclassarticle
usepackagetikz

makeatletter
letresettimer=pdfresettimer
letelapsedtime=pdfelapsedtime

newcountc@syst@helpers@test@feature@n
newcountc@syst@helpers@test@feature@m

newcommandtestfeature[2]%
 c@syst@helpers@test@feature@m=#1relax
 defsyst@helpers@test@feature@step%
 advancec@syst@helpers@test@feature@n by 1relax
 ifnumc@syst@helpers@test@feature@n>c@syst@helpers@test@feature@melse
 #2expandaftersyst@helpers@test@feature@step
 fi
 %
 retestfeature


newcommandretestfeature
 bgroup
 ifcaseinteractionmode letwaitrelax fi
 resettimer
 c@syst@helpers@test@feature@n=0relax
 syst@helpers@test@feature@step
 wait
 egroup


newcommandtestfeatureonce[2]%
 begingroup
 letwaitrelax
 testfeature#1#2%
 endgroup


makeatother

begindocument

testfeatureonce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm); 

theelapsedtime

enddocument

share|improve this answer

answered 1 hour ago

siracusa

4,10911027

For all I know, there's no such macro in the LaTeX2e base (perhaps LaTeX3 has something equivalent?). But we can look up the definition of testfeatureonce in the ConTeXt source code. The relevant definitions are in the syst-aux module.

That implementation makes use of the eTeX primitives pdfresettimer and pdfelapsedtime to reset an internal timer and get the elapsed time since the last reset, respectively. I didn't find a proper source for this, but it seems 65536 equals one second in the value returned by pdfelapsedtime.

A reimplementation in pure LaTeX code might look like this:

documentclassarticle
usepackagetikz

makeatletter
letresettimer=pdfresettimer
letelapsedtime=pdfelapsedtime

newcountc@syst@helpers@test@feature@n
newcountc@syst@helpers@test@feature@m

newcommandtestfeature[2]%
 c@syst@helpers@test@feature@m=#1relax
 defsyst@helpers@test@feature@step%
 advancec@syst@helpers@test@feature@n by 1relax
 ifnumc@syst@helpers@test@feature@n>c@syst@helpers@test@feature@melse
 #2expandaftersyst@helpers@test@feature@step
 fi
 %
 retestfeature


newcommandretestfeature
 bgroup
 ifcaseinteractionmode letwaitrelax fi
 resettimer
 c@syst@helpers@test@feature@n=0relax
 syst@helpers@test@feature@step
 wait
 egroup


newcommandtestfeatureonce[2]%
 begingroup
 letwaitrelax
 testfeature#1#2%
 endgroup


makeatother

begindocument

testfeatureonce1000
 setbox0hbox
 tikz draw (0,0) -- (1cm, 1cm); 

theelapsedtime

enddocument

share|improve this answer

answered 1 hour ago

siracusa

4,10911027

share|improve this answer

share|improve this answer

answered 1 hour ago

siracusa

4,10911027

answered 1 hour ago

siracusa

4,10911027

answered 1 hour ago

siracusa

4,10911027

4,10911027

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
  – Aditya
  45 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  To make this solution work in luatex, we need to follow the approach used in this answer
  – Aditya
  30 mins ago
  
  

  
  
  
  

add a comment | 

• 
  
  
  

  
  

  
  
  
  
  
  

  
  Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
  – Aditya
  45 mins ago
  

  
  
  
  


• 
  
  
  

  
  

  
  
  
  
  
  

  
  To make this solution work in luatex, we need to follow the approach used in this answer
  – Aditya
  30 mins ago
  
  

  
  
  
  

Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
– Aditya
45 mins ago

Thanks! I had looked at that definition but didn't realize that etex provides the primitives pdfresettimer and pdfelapsedtime.
– Aditya
45 mins ago

To make this solution work in luatex, we need to follow the approach used in this answer
– Aditya
30 mins ago

To make this solution work in luatex, we need to follow the approach used in this answer
– Aditya
30 mins ago

add a comment | 

 

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