| To: | "Kevin D. Kissell" <kevink@paralogos.com> |
|---|---|
| Subject: | Re: |
| From: | Manuel Lauss <manuel.lauss@googlemail.com> |
| Date: | Fri, 11 Jun 2010 20:28:48 +0200 |
| Cc: | David Daney <ddaney@caviumnetworks.com>, Jabir M <Jabir_M@pmc-sierra.com>, linux-mips@linux-mips.org, ralf@linux-mips.org |
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| In-reply-to: | <4C127358.3030905@paralogos.com> |
| References: | <BE430C874DBA6841A75E65151DCC6E1C0407668F@BBY1EXM11.pmc_nt.nt.pmc-sierra.bc.ca> <AANLkTimHTt3jCTPrlIDAkdDc8WheBf7bdEThk3JO8yNO@mail.gmail.com> <4C126D2A.6040305@caviumnetworks.com> <4C127358.3030905@paralogos.com> |
| Sender: | linux-mips-bounce@linux-mips.org |
On Fri, Jun 11, 2010 at 7:33 PM, Kevin D. Kissell <kevink@paralogos.com> wrote: > An optimized, assembly-language soft-float library implementation is *much* > faster than the kernel emulator, but I benchmarked it once upon a time > against a portable gnu soft-float library in C, and the difference wasn't > nearly as dramatic. The in-kernel emulator always works. The float conformance test app Ralf pointed out a few weeks ago doesn't run correctly when built with a recent softfloat gcc with any optimization higher than O0 (tested with 4.4.4, 4.3.4). I'd take correctness over speed any day of the week... Manuel |
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