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...ull function is annoyingly producing NaNs, which nls() refuses to handle. I have put a sample of the code below. Is there a way to prevent these NaNs from interfering, for example a method to catch them? I get the following error when I try to run the code: res.nls <- nls(cumsumcaught ~ Pcatch*Prepens.released*(1-pweibull(distances,k,l)), + start = list(k=1,l=12), trace=T, control = my.control) Error in numericDeriv(form[[3]], names(ind), env) : Missing value or an infinity produced when evaluating the model In addition: Warning messages: 1: NaNs produced in: pweibull(q, shape, scale,...

...other issue: it introdues > an extra cache line visit. So if we don't care about this part, we could maybe just add a descriptor flag that puts the whole header in the descriptor. > - virtio-net header could be scattered > > Assume the ANYLAY_OUT case, whereas the headered is prepened before > each mbuf (or skb in kernel). In DPDK, a burst recevice in vhost pmd > means 32 different cache visit for virtio header. > > For the legacy layout and indirect desc, the cache issue could somehone > diminished a bit: we could arrange the virtio header in a same me...

...other issue: it introdues > an extra cache line visit. So if we don't care about this part, we could maybe just add a descriptor flag that puts the whole header in the descriptor. > - virtio-net header could be scattered > > Assume the ANYLAY_OUT case, whereas the headered is prepened before > each mbuf (or skb in kernel). In DPDK, a burst recevice in vhost pmd > means 32 different cache visit for virtio header. > > For the legacy layout and indirect desc, the cache issue could somehone > diminished a bit: we could arrange the virtio header in a same me...