• cc (23/23) Jan 30 2020 char[4096] buf;
• bauss (3/26) Jan 31 2020 Report it as a bug because it's definitely a bug and there was
• Andrea Fontana (13/23) Jan 31 2020 2.086 x64 on linux:
• Rainer Schuetze (2/31) Feb 07 2020 It's a change in std.format: https://issues.dlang.org/show_bug.cgi?id=20...

cc <cc nevernet.com> writes:

	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

bauss <jj_1337 live.dk> writes:

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

Andrea Fontana <nospam example.com> writes:

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

Rainer Schuetze <r.sagitario gmx.de> writes:

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