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

[Khem Raj]

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:
>>  >         --the compiler itself-- --on gcc-4.3.2 stage1--
>>  > Version  gcc     cc1     cc1    Elapsed Max VM  xgcc
>>  >          text    text    data   time    used    text
>>  > gcc-3.4  79579  3862155   3236  4m30    104128  209509
>>  > gcc-4.0  86429  4579965  10208  4m44    111104  225846
>>  > gcc-4.1 193369  5115620  15976  4m56    123264  226469
>>  > gcc-4.2 188582  5490547  17364  4m50    112128  221171
>>  > gcc-4.3 203918* 7010746 420820  6m41    157440  227755
>>  > gcc-4.4 202989* 9431805 546128  8m21    170550  249260
>>  > llvm4.2 189365                  4m56     67136  236957
>>
>> 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
>
>    M
>
> (BTW this is off topic for crossgcc any more)
>

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