Re: format with floating points GC allocating in DMD 2.090

2020-02-07 Thread Rainer Schuetze via Digitalmars-d-learn 



On 31/01/2020 09:45, bauss wrote:
> On Friday, 31 January 2020 at 07:20:17 UTC, cc wrote:
>> char[4096] buf;
>> writeln(GC.stats.usedSize);
>> foreach (i; 0 .. 10) {
>>     sformat(buf, "%f", 1.234f);
>>     writeln(GC.stats.usedSize);
>> }
>>
>> Output with DMD32 D Compiler v2.089.1-dirty (Win10 x64):
>> 16
>> 16
>> 16
>> ...
>>
>> Output with DMD32 D Compiler v2.090.0-dirty:
>> 16
>> 848
>> 1664
>> 2480
>> 3296
>> 4112
>> 4944
>> 5760
>> 6576
>> 7392
>> 8208
> 
> Report it as a bug because it's definitely a bug and there was changes
> to the GC in 2.090.0

It's a change in std.format: https://issues.dlang.org/show_bug.cgi?id=20566

Re: format with floating points GC allocating in DMD 2.090

2020-01-31 Thread Andrea Fontana via Digitalmars-d-learn 

On Friday, 31 January 2020 at 08:45:55 UTC, bauss wrote:

On Friday, 31 January 2020 at 07:20:17 UTC, cc wrote:

char[4096] buf;
writeln(GC.stats.usedSize);
foreach (i; 0 .. 10) {
sformat(buf, "%f", 1.234f);
writeln(GC.stats.usedSize);
}



Report it as a bug because it's definitely a bug and there was 
changes to the GC in 2.090.0


2.086 x64 on linux:

0
64
112
160
208
256
304
352
400
448
496

Re: format with floating points GC allocating in DMD 2.090

2020-01-31 Thread bauss via Digitalmars-d-learn 

On Friday, 31 January 2020 at 07:20:17 UTC, cc wrote:

char[4096] buf;
writeln(GC.stats.usedSize);
foreach (i; 0 .. 10) {
sformat(buf, "%f", 1.234f);
writeln(GC.stats.usedSize);
}

Output with DMD32 D Compiler v2.089.1-dirty (Win10 x64):
16
16
16
...

Output with DMD32 D Compiler v2.090.0-dirty:
16
848
1664
2480
3296
4112
4944
5760
6576
7392
8208


Report it as a bug because it's definitely a bug and there was 
changes to the GC in 2.090.0

format with floating points GC allocating in DMD 2.090

2020-01-30 Thread cc via Digitalmars-d-learn 

char[4096] buf;
writeln(GC.stats.usedSize);
foreach (i; 0 .. 10) {
sformat(buf, "%f", 1.234f);
writeln(GC.stats.usedSize);
}

Output with DMD32 D Compiler v2.089.1-dirty (Win10 x64):
16
16
16
...

Output with DMD32 D Compiler v2.090.0-dirty:
16
848
1664
2480
3296
4112
4944
5760
6576
7392
8208