On Monday 27 June 2016 17:20:39 Andy Polyakov wrote: > >> Is there an option when making an app that uses OpenSSL to verify > >> that is uses Crypto Extensions (like checking a flag or something > >> like that) ? > > > > With x86_64, ciphers like aes-128-cbc are much faster with AES-NI, > > so a simple benchmark: > > > > openssl speed aes-128-cbc openssl speed -evp aes-128-cbc > > > > will tell you if the code uses hardware acceleration, as it's only > > the EVP that is accelerated. > > > > But when I've tested it on AArch64 with openssl-1.1.0-pre5 and > > current master (./configure no-shared no-engine) I'm getting > > 100524.03k vs 52172.12k/s in favour of the non-EVP version. > > > > Is that really expected? > > Depends on your system. Not all AArch64 processors were born equal, > some have crypto extensions, some don't, some have mighty pipelines, > some don't. The presented numbers suggest that you ended up on APM > X-Gene processor which doesn't.
yes, it is an X-Gene, though I don't know which exact one The product briefs I could find, say that X-Genes do support cryptograpic extensions: https://myapm.apm.com/technical_documents/download/apm883208-product-brief1 -- Regards, Hubert Kario Senior Quality Engineer, QE BaseOS Security team Web: www.cz.redhat.com Red Hat Czech s.r.o., Purkyňova 99/71, 612 45, Brno, Czech Republic
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