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How to read different ints from a Bigarray?
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Date: | 2009-10-28 (21:05) |
From: | Goswin von Brederlow <goswin-v-b@w...> |
Subject: | Re: [Caml-list] Re: How to read different ints from a Bigarray? |
Sylvain Le Gall <sylvain@le-gall.net> writes: > On 28-10-2009, Goswin von Brederlow <goswin-v-b@web.de> wrote: >> Sylvain Le Gall <sylvain@le-gall.net> writes: >>> On 28-10-2009, Goswin von Brederlow <goswin-v-b@web.de> wrote: >>>> Sylvain Le Gall <sylvain@le-gall.net> writes: >>>>> On 28-10-2009, Goswin von Brederlow <goswin-v-b@web.de> wrote: >> >>>> PS: Is a.{i} <- x a C call? >>> >>> Yes. >> >> That obviously sucks. I was hoping since the compiler has a special >> syntax for it it would be built-in. Bigarray being a seperate module >> should have clued me in. >> >> That obviously speaks against splitting int64 into 8 bytes and calling >> a.{i} <- x for each. >> >> I think I will implement your method and C stubs for every set/get and >> compare. > > This is only the case with int64 array in fact (I really have done test > and you don't need a C call in most case). Can I assume you tested on a 32bit cpu? MfG Goswin