Thanks for the patch Ali! I uploaded a test package to ppa:dannf/test,
and I've attempted to reproduce the improvement on a couple of different
systems.

On a ThunderX system, I am observing a significant performance
improvement. However, on an X-Gene system, the performance actually
seems to be about the same slightly worse. Is that expected?

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https://bugs.launchpad.net/bugs/1552939

Title:
  arm64 build doesn't use asm and is 4x-16x slower than it could be

Status in OpenSSL:
  New
Status in openssl package in Ubuntu:
  Confirmed
Status in openssl package in Debian:
  Unknown

Bug description:
  The openssl build for arm64 doesn't compile in the assembly that is
  present in openssl as of version 1.0.2 for aarch64 because the debian-
  targets.patch that is applied specifies a target that doesn't have
  assembly. The line at issue is debian-arm64 target which needs
  ${no_asm}  changed to ${aarch64_asm}:linux64. Running openssl speed
  -evp aes-128-gcm shows a 4x-16x improvement in performance with this
  change made and the package rebuilt. Other aes and sha variants show
  similar performance gains by enabling asm.

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