Re: crosstool-ng: cross compiler for -mach=arm4vt (Cirrus Logic EP93xx target)

[Khem Raj <raj dot khem at gmail dot com>]

2009/9/13 Martin Guy <martinwguy@gmail.com>:
> On 9/12/09, Khem Raj <raj.khem@gmail.com> wrote:
>> On (11/09/09 23:20), Martin Guy wrote:
>> Â> Â Â Â Â --the compiler itself-- --on gcc-4.3.2 stage1--
>> Â> Version Âgcc   cc1   cc1  ÂElapsed Max VM Âxgcc
>> Â>     Âtext  Âtext  Âdata  time  Âused  Âtext
>> Â> gcc-3.4 Â79579 Â3862155 Â 3236 Â4m30 Â Â104128 Â209509
>> Â> gcc-4.0 Â86429 Â4579965 Â10208 Â4m44 Â Â111104 Â225846
>> Â> gcc-4.1 193369 Â5115620 Â15976 Â4m56 Â Â123264 Â226469
>> Â> gcc-4.2 188582 Â5490547 Â17364 Â4m50 Â Â112128 Â221171
>> Â> gcc-4.3 203918* 7010746 420820 Â6m41 Â Â157440 Â227755
>> Â> gcc-4.4 202989* 9431805 546128 Â8m21 Â Â170550 Â249260
>> Â> llvm4.2 189365 Â Â Â Â Â Â Â Â Â4m56 Â Â 67136 Â236957
>>
>> Did you compile exact same insn_recog.c source ?
>
> I built the same source tree gcc-4.3.2 (4.3.4 above was a typo) with
> the same configuration line and CC=gcc-X.Y on x86.
>
> What I've called "Max VM" here is obtained from the process accounting
> records for the build run on an otherwise silent machine
> It is the maximum value of the per-process "average VM usage", not the
> high-water mark you see by watching "top" (216MB for 4.3). I can't
> think of an easy way to measure the HWM.
> You need a custom program to extract the top avg VM usage.
> I used "lc" whose source is visible under
> martinwguy.co.uk/martin/src/acct
> lc | cut -c 52- | sed 's/ .*//' | sort -rn | head -1

nice thanks for info
>
> Â ÂM
>
> (BTW this is off topic for crossgcc any more)
>

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