On 7/27/15 8:03 AM, Johan Holmberg via Digitalmars-d wrote:
On Sun, Jul 26, 2015 at 5:36 PM, Andrei Alexandrescu via Digitalmars-d
mailto:digitalmars-d@puremagic.com>> wrote:
On 7/26/15 10:35 AM, Johan Holmberg via Digitalmars-d wrote:
On Sat, Jul 25, 2015 at 10:12 PM, Andrei Ale
On 2015-07-29 19:02, Johan Holmberg via Digitalmars-d wrote:
Is there a LDC that incorporates the changes coming in DMD 2.068 that
made my code run 10x faster compared with 2.067?
I would guess that there isn't.
--
/Jacob Carlborg
On Wed, Jul 29, 2015 at 11:47 AM, Jacob Carlborg via Digitalmars-d <
digitalmars-d@puremagic.com> wrote:
> On 2015-07-27 14:03, Johan Holmberg via Digitalmars-d wrote:
>
>> The timings running my program normally (not using Instruments now),
>> became as follows with the different versions of dmd:
On 2015-07-27 14:03, Johan Holmberg via Digitalmars-d wrote:
Back on MacOS again, I thought I should try to run "Instruments" on my
program. I'm not familiar with the DMD source code, but I did the following:
- downloaded the DMD source from Github + built it
- rebuilt my program with this dmd
On Monday, 27 July 2015 at 08:52:07 UTC, Martin Nowak wrote:
On 07/26/2015 09:04 PM, Jesse Phillips wrote:
It would be better to compare with LDC or GDC to match the
same backend as C++. That is a little harder since they don't
have 2.068 yet.
Reading a file is IO and memcpy limited, has no
Martin Nowak wrote:
> On 07/26/2015 09:04 PM, Jesse Phillips wrote:
>>
>> It would be better to compare with LDC or GDC to match the same backend
>> as C++. That is a little harder since they don't have 2.068 yet.
>
> Reading a file is IO and memcpy limited, has nothing to do with compiler
> opt
On Mon, Jul 27, 2015 at 11:03 AM, via Digitalmars-d <
digitalmars-d@puremagic.com> wrote:
> Are you including program startup and exit in the timing? For comparison,
> can you include the timings of an empty do-nothing program in all the
> languages?
>
Yes, I measure the whole program. But these
On Monday, 27 July 2015 at 12:03:40 UTC, Johan Holmberg wrote:
On Sun, Jul 26, 2015 at 5:36 PM, Andrei Alexandrescu via
Digitalmars-d < digitalmars-d@puremagic.com> wrote:
[...]
Back on MacOS again, I thought I should try to run
"Instruments" on my program. I'm not familiar with the DMD
s
On Sun, Jul 26, 2015 at 5:36 PM, Andrei Alexandrescu via Digitalmars-d <
digitalmars-d@puremagic.com> wrote:
> On 7/26/15 10:35 AM, Johan Holmberg via Digitalmars-d wrote:
>
>>
>> On Sat, Jul 25, 2015 at 10:12 PM, Andrei Alexandrescu via Digitalmars-d
>> mailto:digitalmars-d@puremagic.com>> wrote:
Are you including program startup and exit in the timing? For
comparison, can you include the timings of an empty do-nothing
program in all the languages?
On 07/26/2015 09:04 PM, Jesse Phillips wrote:
>
> It would be better to compare with LDC or GDC to match the same backend
> as C++. That is a little harder since they don't have 2.068 yet.
Reading a file is IO and memcpy limited, has nothing to do with compiler
optimizations. Clearly we must be d
On Sunday, 26 July 2015 at 14:36:09 UTC, Johan Holmberg wrote:
C++ with style IO:0.40s
C++ with style IO: 0.31s
D 2.0671.75s
D 2.068 beta 2:0.69s
Perl: 1.49s
Python:
On Sunday, 26 July 2015 at 15:36:29 UTC, Andrei Alexandrescu
wrote:
On 7/26/15 10:35 AM, Johan Holmberg via Digitalmars-d wrote:
[...]
I think we should investigate this and bring performance to
par. Anyone interested? -- Andrei
Here's the link to the fstream libstc++ source for GNU /linux
On Sunday, 26 July 2015 at 14:36:09 UTC, Johan Holmberg wrote:
On Sat, Jul 25, 2015 at 10:12 PM, Andrei Alexandrescu via
Digitalmars-d < digitalmars-d@puremagic.com> wrote:
[...]
My C++ program was actually doing C-style IO via . I
didn't think about the distinction C/C++ when reporting the
On 7/26/15 10:35 AM, Johan Holmberg via Digitalmars-d wrote:
On Sat, Jul 25, 2015 at 10:12 PM, Andrei Alexandrescu via Digitalmars-d
mailto:digitalmars-d@puremagic.com>> wrote:
On 7/25/15 1:53 PM, Johan Holmberg via Digitalmars-d wrote:
Thanks, my question seems like a carbon copy
On Sat, Jul 25, 2015 at 10:12 PM, Andrei Alexandrescu via Digitalmars-d <
digitalmars-d@puremagic.com> wrote:
> On 7/25/15 1:53 PM, Johan Holmberg via Digitalmars-d wrote:
>
>> Thanks, my question seems like a carbon copy of the Stack Overflow
>> article :) Somehow I had missed it when googling.
>
On Saturday, 25 July 2015 at 22:40:55 UTC, Brandon Ragland wrote:
On Saturday, 25 July 2015 at 20:12:26 UTC, Andrei Alexandrescu
wrote:
On 7/25/15 1:53 PM, Johan Holmberg via Digitalmars-d wrote:
Thanks, my question seems like a carbon copy of the Stack
Overflow
article :) Somehow I had missed
On Saturday, 25 July 2015 at 20:12:26 UTC, Andrei Alexandrescu
wrote:
On 7/25/15 1:53 PM, Johan Holmberg via Digitalmars-d wrote:
Thanks, my question seems like a carbon copy of the Stack
Overflow
article :) Somehow I had missed it when googling.
I download a dmd 2.068 beta, and re-tried with
On 7/25/15 1:53 PM, Johan Holmberg via Digitalmars-d wrote:
Thanks, my question seems like a carbon copy of the Stack Overflow
article :) Somehow I had missed it when googling.
I download a dmd 2.068 beta, and re-tried with my input file: now the D
program takes 1.6s (a 10x improvement).
Great
On Sat, Jul 25, 2015 at 7:14 PM, Andrei Alexandrescu via Digitalmars-d <
digitalmars-d@puremagic.com> wrote:
> On 7/25/15 8:19 AM, Johan Holmberg via Digitalmars-d wrote:
>
>> Hi!
>>
>> I am trying to port a program I have written earlier to D. My previous
>> versions are in C++ and Python. I was
On 7/25/15 8:19 AM, Johan Holmberg via Digitalmars-d wrote:
Hi!
I am trying to port a program I have written earlier to D. My previous
versions are in C++ and Python. I was hoping that a D version would be
similar in speed to the C++ version, rather than similar to the Python
version. But curren
Hi!
I am trying to port a program I have written earlier to D. My previous
versions are in C++ and Python. I was hoping that a D version would be
similar in speed to the C++ version, rather than similar to the Python
version. But currently it isn't.
Part of the problem may be that I haven't learn
22 matches
Mail list logo
