[En-Nut-Discussion] Floating Point Memory Usage

bon at elektron.ikp.physik.tu-darmstadt.de bon at elektron.ikp.physik.tu-darmstadt.de
Wed Oct 9 11:44:23 CEST 2013

>>>>> "Bob" == Bob Wirka <bobwirka at yahoo.com> writes:

    Bob> Hello, Realized today that floating point eats an automatic 16K of
    Bob> ram on the first call to _sbrk(). I should read the manuals...

    Bob> It looks like setting LIB_HEAPSIZE to 4K will work (at first,
    Bob> anyway), but am I setting myself up for other problems?

    Bob> Without the default 16K, is 'newlib' likely to misbehave somewhere
    Bob> else?

With what processor are you working? What kind of floating point support,
hardware or software? If hardware, what float support did you compile for?

Uwe Bonnes                bon at elektron.ikp.physik.tu-darmstadt.de

Institut fuer Kernphysik  Schlossgartenstrasse 9  64289 Darmstadt
--------- Tel. 06151 162516 -------- Fax. 06151 164321 ----------

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