dc2 --fdmd-trace-functions myprog.d**
**dmd -profile myprog.d**
The result is that no 'trace' files are generatedas far as I
can tell. When I run myprog.exe it generates no errors, runs
very quickly, and does not do what it previously was doing.
**ldc2 --version**
**LDC - the LLV
On Sunday, 13 November 2022 at 19:02:29 UTC, mw wrote:
BTW, can --build=profile-gc can intercept "Ctrl+C" and
generate *partial* report file?
And what's the suggested proper way to do
Is there a profile-gc plugin function I can call in the middle of
my program to generate *
On Sunday, 13 November 2022 at 18:51:17 UTC, mw wrote:
On Sunday, 13 November 2022 at 18:48:42 UTC, mw wrote:
BTW, can --build=profile-gc can intercept "Ctrl+C" and
generate *partial* report file?
And what's the suggested proper way to do early exit, and
still let --build=prof
On Sunday, 13 November 2022 at 18:48:42 UTC, mw wrote:
BTW, can --build=profile-gc can intercept "Ctrl+C" and generate
*partial* report file?
And what's the suggested proper way to do early exit, and still
let --build=profile-gc generate reports?
I tried presss "Ctrl
dering does dmd --build=profile-gc work with
core.stdc.stdlib.exit()?
And where is the output report file, and the filename? I didn't
see any report file generated in the current working dir.
BTW, can --build=profile-gc can intercept "Ctrl+C" and generate
*partial* report fi
On Saturday, 30 January 2021 at 22:47:39 UTC, Ahmet Sait wrote:
I'm looking for ways to figure out what parts of the code slows
down the compiler other than brute force trial.
You could try some of the tools listed on the wiki for build time
profiling:
https://wiki.dlang.org/Development_tool
On Sunday, 31 January 2021 at 16:39:12 UTC, Boris Carvajal wrote:
On Sunday, 31 January 2021 at 16:13:24 UTC, Anonymouse wrote:
Does ldc produce traces in a format that Tracy supports? I
can't seem to open the generated *.time-trace files with it.
(tracy 0.7.5-1 installed from Arch Linux AUR.)
On Sunday, 31 January 2021 at 16:13:24 UTC, Anonymouse wrote:
On Sunday, 31 January 2021 at 12:31:59 UTC, Johan Engelen wrote:
Try LDC 1.25 (now in beta testing) with --ftime-trace. Clang
has the same option, so you can read more about it online in
that context. Be sure to check out the related
On Sunday, 31 January 2021 at 12:31:59 UTC, Johan Engelen wrote:
Try LDC 1.25 (now in beta testing) with --ftime-trace. Clang
has the same option, so you can read more about it online in
that context. Be sure to check out the related commandline
flags.
I recommend the Tracy UI to look at traces
On Sunday, 31 January 2021 at 12:31:59 UTC, Johan Engelen wrote:
On Sunday, 31 January 2021 at 12:16:50 UTC, Imperatorn wrote:
On Saturday, 30 January 2021 at 23:34:50 UTC, Stefan Koch
wrote:
[...]
Interesting. Is this something that we could get into dmd with
a switch? 🤔
Try LDC 1.25 (now
On Sunday, 31 January 2021 at 12:16:50 UTC, Imperatorn wrote:
On Saturday, 30 January 2021 at 23:34:50 UTC, Stefan Koch wrote:
On Saturday, 30 January 2021 at 22:47:39 UTC, Ahmet Sait wrote:
[...]
I have a way of getting the profile data your are after.
Get the dmd_tracing_20942 branch from
On Saturday, 30 January 2021 at 23:34:50 UTC, Stefan Koch wrote:
On Saturday, 30 January 2021 at 22:47:39 UTC, Ahmet Sait wrote:
[...]
I have a way of getting the profile data your are after.
Get the dmd_tracing_20942 branch from
https://github.com/UplinkCoder/dmd
Compile that version of
.
Alternative I recommend using callgrind to profile where dmd
spents most of it's time.
For that to be useful you need a debug build of dmd though.
if my bottleneck is ctfe or templates?
How do the compiler devs approach this issue?
I'm interested in all kinds of tricks to the point of debugging
the compiler itself although anything less complicated would be
appreciated.
I have a way of getting the profile data your are after.
Get the dmd_tra
I'm looking for ways to figure out what parts of the code slows
down the compiler other than brute force trial.
Can I use -vtemplates switch for this?
Would -v (verbose) switch helpful in some way?
How would I know if my bottleneck is ctfe or templates?
How do the compiler devs approach this iss
On Thursday, 7 May 2020 at 10:51:27 UTC, Simen Kjærås wrote:
If I understand correctly, you want to measure how many cycles
pass, rather than clock time?
Something like that. Well, I would also like to eliminate
differences based on different memory caches between machines.
In addition, if
On Thursday, 7 May 2020 at 11:06:17 UTC, Dennis wrote:
You can make a reference program that you use to get a measure
for how fast the computer is that you run the benchmark on.
Then you can use that to scale your actual benchmark results.
When testing regressions there's a fairly obvious ch
On Thursday, 7 May 2020 at 10:21:07 UTC, Dukc wrote:
Is there some way to measure the performance of a function so
that the results will be same in different computers (all x86,
but otherwise different processors)? I'm thinking of making a
test suite that could find performance regressions
aut
On Thursday, 7 May 2020 at 10:21:07 UTC, Dukc wrote:
Is there some way to measure the performance of a function so
that the results will be same in different computers (all x86,
but otherwise different processors)? I'm thinking of making a
test suite that could find performance regressions
aut
Is there some way to measure the performance of a function so
that the results will be same in different computers (all x86,
but otherwise different processors)? I'm thinking of making a
test suite that could find performance regressions automatically.
I figured out Bochs[1] could be used for
Hi, I had a related question in the "Does -profile need the D runtime?" thread.
Since D runtime is required for profile to work, the question is how
can I use profile when initializing it myself?
--
Robert M. Münch
http://www.saphirion.com
smarter | better | faster
I'm working on a rather big project which I'm compiling with
DMD/LDC.
The thing is when I'm trying to profile it, using `dub build
--build=profile`, weird issues keep popping up, coming from the
project's dependencies... eg. "Warning: statement is not
reachable&quo
On 2019-05-18 17:46:52 +, Stefan Koch said:
On Saturday, 18 May 2019 at 16:35:44 UTC, Robert M. Münch wrote:
I want to profile my windows app which has a WinMain(). One of the
first statements in WinMain() within a try{} is:
Runtime.initialize();
But when I compile my app with -profile
On Saturday, 18 May 2019 at 16:35:44 UTC, Robert M. Münch wrote:
I want to profile my windows app which has a WinMain(). One of
the first statements in WinMain() within a try{} is:
Runtime.initialize();
But when I compile my app with -profile, it crashes on entry of
WinMain(). Looks like
I want to profile my windows app which has a WinMain(). One of the
first statements in WinMain() within a try{} is:
Runtime.initialize();
But when I compile my app with -profile, it crashes on entry of
WinMain(). Looks like this function is instrumented with code, that
might need the D
On Saturday, 9 March 2019 at 09:12:13 UTC, Dennis wrote:
On Friday, 8 March 2019 at 11:42:11 UTC, Simon wrote:
Thanks, this works flawlessly. Out of interest: what is the
"enum" doing there? I had the exact same behaviour in a
function before, that I only called at compile-time, so why
did it
On Friday, 8 March 2019 at 11:42:11 UTC, Simon wrote:
Thanks, this works flawlessly. Out of interest: what is the
"enum" doing there? I had the exact same behaviour in a
function before, that I only called at compile-time, so why did
it complain then? Can I somehow tell the compiler that a
fun
On Thursday, 7 March 2019 at 21:50:17 UTC, Johannes Loher wrote:
```
enum profile_scope(string name) = "import core.stdc.stdio :
printf;
printf(\""
~ name ~ "\n\"); scope(exit) printf(\"" ~ name ~ "\n\");";
extern (C) void main()
{
mixin(profile_scope!"func1");
}
```
This uses string
Am 07.03.19 um 22:50 schrieb Johannes Loher:
> [...]
As a small addition, if you always want to pass the function name as a
parameter, you can simplify this to the following:
```
enum profile_scope(string name = __FUNCTION__) = "import core.stdc.stdio
: printf; printf(\""
~ name ~ "\n\"); sco
Am 07.03.19 um 22:21 schrieb Simon:
>
> Is there a way to achieve this while compiling with -betterC? I use a
> custom string struct right now, and your version needs TypeInfo,
> concatening using ~ needs the garbage collector. I have the feeling D is
> really not agreeing with the way I want to d
On Thursday, 7 March 2019 at 20:34:48 UTC, Johannes Loher wrote:
auto profile_scope(string name)
{
import std.format : format;
return q{import std.stdio : writeln; writeln("%1$s");
scope(exit)
writeln("%1$s");}.format(name);
}
void main()
{
mixin(profile_scope("func1"));
}
Is th
Am 07.03.19 um 21:07 schrieb Simon:
> Hello,
>
> I am currently porting the frontend of my instrumenting profiler to D.
> It features a C++-makro that profiles the time between entering and
> leaving a scope (achieved with con-/destructors in C++). Since D has
> scopeguards, I hoped to achieve thi
On Thursday, 7 March 2019 at 20:07:27 UTC, Simon wrote:
measure("func1");
scope(exit) measure("func1");
I would suggest just using a struct. Make its constructor do the
first measure, and its destructor do the second measure.
I betcha you can avoid mixin entirely.
Hello,
I am currently porting the frontend of my instrumenting profiler
to D. It features a C++-makro that profiles the time between
entering and leaving a scope (achieved with con-/destructors in
C++). Since D has scopeguards, I hoped to achieve this by
creating a mixin that generates the fo
t:
ptr: 7FD9B63CD000, capacity: 255, length: 250
ptr: 7FD9B63CD000, capacity: 255, length: 251
> I compiled it with 'dmd test.d -profile=gc'
>
> After running it, the profile report was :-
>
> bytes allocated, allocations, type, function, file:line
>
writeln(array.length, " elements ", array);
}
I compiled it with 'dmd test.d -profile=gc'
After running it, the profile report was :-
bytes allocated, allocations, type, function, file:line
2000 1 int[] D main test.d:5
On Wednesday, 25 January 2017 at 12:49:05 UTC, Stefan Koch wrote:
On Tuesday, 24 January 2017 at 23:25:12 UTC, Profile Anaysis
wrote:
I am trying to compile some code and it takes around 6
seconds. Even if I change one line in one module, it takes the
same time. There are about 20 different d
On Tuesday, 24 January 2017 at 23:25:12 UTC, Profile Anaysis
wrote:
I am trying to compile some code and it takes around 6 seconds.
Even if I change one line in one module, it takes the same
time. There are about 20 different d modules.
[...]
yes the compiler can be used to profile itself
seems that something has made
things slow.
Can we ask the compiler what seems to be taking the most time(a
module, a template, etc...)?
If the compiler can profile itself then it would be very easy to
figure out what is slowing things down in compilation.
I feel that I should be able to
I like how dmd has the -profile switch, but I'm not sure how to
go about profiling ldc2. I don't see any compiler flags in the
-help.
I'm also using Windows, if that matters, but if the best options
are on Linux, I can dual-boot.
On Tuesday, 14 July 2015 at 13:35:40 UTC, Mike Parker wrote:
--
4000 _Dmain
_D4main6selectFZk 40002736471
4000 _D3std6random27__T7uniformVAyaa2_5b29TkTkZ7uniformFNfkkZk
--
Got it now. The 2736 and 471 are the call tree time
On Wednesday, 15 July 2015 at 18:02:11 UTC, jmh530 wrote:
I've been confused by this too. The only thing I can find is
this
http://www.digitalmars.com/ctg/trace.html
I think it would be cool to write something that takes the
output and puts it in a prettier format.
Yeah, I eventually stumb
On Wednesday, 15 July 2015 at 11:47:53 UTC, Mike Parker wrote:
On Tuesday, 14 July 2015 at 13:35:40 UTC, Mike Parker wrote:
--
4000 _Dmain
_D4main6selectFZk 40002736471
4000 _D3std6random27__T7uniformVAyaa2_5b29TkTkZ7uniformFNfkkZk
--
On Tuesday, 14 July 2015 at 13:35:40 UTC, Mike Parker wrote:
--
4000 _Dmain
_D4main6selectFZk 40002736471
4000 _D3std6random27__T7uniformVAyaa2_5b29TkTkZ7uniformFNfkkZk
--
OK, I've finally realized that the top part of trace.
Perhaps my googlefu has failed me, but I can find anything
describing the output of DMD's -profile switch. I get that
trace.def is a list of all functions called and I understand the
table at the bottom of trace.log. What I'm not sure about is
everything above the table in trace.
Saurabh Das:
I see. I wasn't sure - hence I asked.
https://d.puremagic.com/issues/show_bug.cgi?id=11471
In general, how do I check if this is a known issue?
Search in Bugzilla and/or ask to people.
Bye,
bearophile
throw
Is there a workaround for this? I have a decent sized codebase
which I wish to profile for hotspots - but it won't compile
with '-profile'.
Isn't this a recent regression?
Bye,
bearophile
Saurabh Das:
With error:
/usr/include/dmd/druntime/import/core/atomic.d(910): Error: asm
statements are assumed to throw
Is there a workaround for this? I have a decent sized codebase
which I wish to profile for hotspots - but it won't compile
with '-profile'.
Isn&
Hello
For this test program ('test.d'):
import core.atomic;
int func1(shared int a)
{
return atomicLoad(a);
}
These invocations of dmd succeed:
1. dmd -main test.d
2. dmd -main -debug test.d
3. dmd -main -release test.d
But this one fails:
dmd -main -profile test.d
With e
-release -w danode/server.d
if I compile with the -profile switch, I get a weird error:
$ rdmd --build-only -O -gc -release -profile -w
danode/server.d
"Warning: statement is not reachable"
I thought DMD provided an error if you tried to optimize with
debug symbols.
-O should n
On Sunday, 23 February 2014 at 08:32:50 UTC, Danny Arends wrote:
I have a medium sized project at:
https://github.com/DannyArends/DaNode
it compiles fine with the normal build switches I used:
$ rdmd --build-only -O -gc -release -w danode/server.d
if I compile with the -profile switch, I
I have a medium sized project at:
https://github.com/DannyArends/DaNode
it compiles fine with the normal build switches I used:
$ rdmd --build-only -O -gc -release -w danode/server.d
if I compile with the -profile switch, I get a weird error:
$ rdmd --build-only -O -gc -release
31-Oct-2013 13:28, bearophile пишет:
Wolftein:
Using --debug or --release works fine. But when i use --profile i get:
c:\Program Files
(x86)\DLang\dmd2\windows\bin\..\..\src\phobos\std\path.d(2187):
Error: balancedParens is not nothrow
c:\Program Files
(x86)\DLang\dmd2\windows\bin\..\..\src
Wolftein:
Using --debug or --release works fine. But when i use --profile
i get:
c:\Program Files
(x86)\DLang\dmd2\windows\bin\..\..\src\phobos\std\path.d(2187):
Error: balancedParens is not nothrow
c:\Program Files
(x86)\DLang\dmd2\windows\bin\..\..\src\phobos\std\path.d(2188):
Error
Using --debug or --release works fine. But when i use --profile i
get:
c:\Program Files
(x86)\DLang\dmd2\windows\bin\..\..\src\phobos\std\path.d(2187):
Error: balancedParens is not nothrow
c:\Program Files
(x86)\DLang\dmd2\windows\bin\..\..\src\phobos\std\path.d(2188):
Error
On Monday, 28 October 2013 at 18:34:51 UTC, Dicebot wrote:
Any difference in semantics between -profile and normal flow is
a
bug, so, yes, please report to bugzilla.
Done: http://d.puremagic.com/issues/show_bug.cgi?id=11375
Any difference in semantics between -profile and normal flow is a
bug, so, yes, please report to bugzilla.
Reduced:
module b;
class B {
this() {}
}
module a;
import b;
class C : B {}
class D(X) : X {}
alias D!(C) HtmlPanel;
dmd -profile a.d
Error: 'a.C.this' is not no throw
Everything is ok without the profile... may I post a bug report
Hi all,
Compiling my application with 2.064.beta.4 and 2.063.2 with the
"-profile" switch, I have an error like:
Error: 'foo.ui.Widgets.this' is not no throw
I've read something similar involving contracts, but this seems
something different.
Of course everyth
10.08.2013 01:30, Gary Willoughby пишет:
On Friday, 9 August 2013 at 16:39:41 UTC, Alexandr Druzhinin wrote:
-profile switch doesn't work for me (nothing happens), so I'm curious
how to profile?
I had the same problem on Linux where -profile didn't seem to produce
anything.
10.08.2013 00:59, H. S. Teoh пишет:
On Fri, Aug 09, 2013 at 11:39:41PM +0700, Alexandr Druzhinin wrote:
-profile switch doesn't work for me (nothing happens), so I'm
curious how to profile?
You've to run your program first. It will create a bunch of extra files
in your
The Very Sleepy profiler works ok (if you run the apps through
cv2pdb to get the debug symbols in the right format at least)
On Friday, 9 August 2013 at 16:39:41 UTC, Alexandr Druzhinin
wrote:
-profile switch doesn't work for me (nothing happens), so I'm
curious how to profile?
I had the same problem on Linux where -profile didn't seem to
produce anything. I had a program which ran an infinite loo
09-Aug-2013 20:39, Alexandr Druzhinin пишет:
-profile switch doesn't work for me (nothing happens), so I'm curious
how to profile?
My take is to compile with -g and use say AMD CodeAnalyst (or Intel's
analog). Works quite well even though all symbols are mangled.
With -
On Fri, Aug 09, 2013 at 11:39:41PM +0700, Alexandr Druzhinin wrote:
> -profile switch doesn't work for me (nothing happens), so I'm
> curious how to profile?
You've to run your program first. It will create a bunch of extra files
in your current working directory that contain
-profile switch doesn't work for me (nothing happens), so I'm curious
how to profile?
I'd like to at least get timestamps for the various steps appearing the the
dmd -v output.
Is there an easy way to modify dmd to output that?
That could be fed to a D function that parses it and generates a nice
profile report (ie the compiler would do not much more than just adding
times
Anthony Goins:
What is the error here :)
1. dmd profiletest.d
should fail because balancedParens is not nothrow
even though it is called from a contract.
2. dmd -profile profiletest.d
should succeed because nothrow, @safe, pure don't apply to
contracts
I think -profile an
Anthony Goins:
Is this even worth a bug report?
http://d.puremagic.com/issues/show_bug.cgi?id=10295
Bye,
bearophile
he
forums.
One more question though...
What is the error here :)
1. dmd profiletest.d
should fail because balancedParens is not nothrow
even though it is called from a contract.
2. dmd -profile profiletest.d
should succeed because nothrow, @safe, pure don't apply to
contracts
Anthony Goins:
Is this even worth a bug report?
Yes, it's worth a bug report in Bugzilla, it's a (small) Phobos
Bug. I confirmed its presence.
Bye,
bearophile
On Friday, 7 June 2013 at 23:42:58 UTC, Anthony Goins wrote:
On Friday, 7 June 2013 at 21:39:26 UTC, bearophile wrote:
Anthony Goins:
Simple question is why?
I am compiling this code with -profile, and I don't see errors:
import std.string: balancedParens;
void main() {
a
On Friday, 7 June 2013 at 21:39:26 UTC, bearophile wrote:
Anthony Goins:
Simple question is why?
I am compiling this code with -profile, and I don't see errors:
import std.string: balancedParens;
void main() {
assert(balancedParens("[[]]", '[', ']')
Anthony Goins:
Simple question is why?
I am compiling this code with -profile, and I don't see errors:
import std.string: balancedParens;
void main() {
assert(balancedParens("[[]]", '[', ']'));
}
Bye,
bearophile
Anthony Goins:
Simple question is why?
Looks like a little compiler bug. Please create a minimal example
that shows the problem. If it's a real problem then it's for
Bugzilla.
Bye,
bearophile
Compiling with -profile and without -release
Gives the following error (not exactly but the best I can recall)
balancedParens is not nothrow safe pure
With -release and -profile all is fine.
Builds fine without -profile.
Simple question is why?
I am trying to read the text file (trace.log) created by running
the dmd profiler on some code, so that I can use demangle to make
the output a bit more readable. I can read it in as a char[], but
the whenever I try any string ops I get an exception because
there are invalid UTF-8 sequences in
I have this code:
import std.stdio;
void main()
{
f();
g();
}
void f()
{
writeln("f()");
}
void g()
{
writeln("g()");
}
I compile with the command:
dmd test.d -profile
Then I execute it. It prints:
f()
g()
as expected. Shouldn&
Sorry, I just saw the generated file...
:p
On Thursday, March 01, 2012 00:17:55 Robert Clipsham wrote:
> Just as a side note, -profile doesn't work with multi-threaded
> applications, so using some other profiler would probably be a better
> bet anyway.
It doesn't work with 64-bit programs either.
- Jonathan M Davis
On 29/02/2012 21:30, simendsjo wrote:
On Wed, 29 Feb 2012 22:28:29 +0100, Robert Clipsham
wrote:
On 29/02/2012 19:41, simendsjo wrote:
http://www.digitalmars.com/ctg/trace.html
Has someone made some GUI/pretty printing/dump to database or other
tools to make the profile data a bit simpler
Boom: https://bitbucket.org/stqn/profiled
I've never used it though.
On Wed, 29 Feb 2012 22:28:29 +0100, Robert Clipsham
wrote:
On 29/02/2012 19:41, simendsjo wrote:
http://www.digitalmars.com/ctg/trace.html
Has someone made some GUI/pretty printing/dump to database or other
tools to make the profile data a bit simpler to digest?
If you're on Window
On 29/02/2012 19:41, simendsjo wrote:
http://www.digitalmars.com/ctg/trace.html
Has someone made some GUI/pretty printing/dump to database or other
tools to make the profile data a bit simpler to digest?
If you're on Windows you could try:
http://h3.gd/code/xfProf/
Although I don'
http://www.digitalmars.com/ctg/trace.html
Has someone made some GUI/pretty printing/dump to database or other tools
to make the profile data a bit simpler to digest?
"Timon Gehr" wrote in message
news:jb8iak$2ucr$1...@digitalmars.com...
> On 12/01/2011 07:42 PM, Nick Sabalausky wrote:
>> Is there an easy way to profile DMD similar to how DMD itself has
>> the -profile switch?
>>
>>
>
> Use DMC, I guess. http://www.
On 12/01/2011 07:42 PM, Nick Sabalausky wrote:
Is there an easy way to profile DMD similar to how DMD itself has
the -profile switch?
Use DMC, I guess. http://www.digitalmars.com/ctg/trace.html
Is there an easy way to profile DMD similar to how DMD itself has
the -profile switch?
How do you guys benchmark your D code? I tried using the -profile option, but
was surprised to see wildly varying results (greater than an order of
magnitude difference in Func Time) from one run to the next.
BCS wrote:
> Hello BCS,
>
>> I have a program that runs an "easily" parallelizable loop. When I run
>> it as a single thread it only takes about 10% longer than 2 threads
>> (on a dual-core). I'm trying to track down the lossed time and am
>> w
BCS wrote:
> Hello BCS,
>
>> I have a program that runs an "easily" parallelizable loop. When I run
>> it as a single thread it only takes about 10% longer than 2 threads
>> (on a dual-core). I'm trying to track down the lossed time and am
>> wondering
Hello BCS,
I have a program that runs an "easily" parallelizable loop. When I run
it as a single thread it only takes about 10% longer than 2 threads
(on a dual-core). I'm trying to track down the lossed time and am
wondering if turning on -profile is even worth looking at. The
I have a program that runs an "easily" parallelizable loop. When I run it
as a single thread it only takes about 10% longer than 2 threads (on a dual-core).
I'm trying to track down the lossed time and am wondering if turning on -profile
is even worth looking at. The concern i
93 matches
Mail list logo
