On 08/29/2017 02:57 PM, Benjamin Herrenschmidt wrote: > On Tue, 2017-08-29 at 14:54 -0700, Haren Myneni wrote: >> Opening send window for each crypto transform (crypto_alloc, >> compression/decompression, ..., crypto_free) so that does not have to >> wait for the previous copy/paste complete. VAS will map send and >> receive windows, and can cache in send windows (up to 128). So I >> thought using the same send window (per chip) for more requests (say >> 1000) may be adding overhead. >> >> I will make changes if you prefer using 1 send window per chip. > > Did you check the cost of opening/closing a window ? No, Not yet. opening / closing happens only during alloc/free, but not for each compression/decompression. Hence used separate send windows. Thanks Haren > > Cheers, > Ben. >
