Public bug reported:
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.
** Affects: openssl (Ubuntu)
Importance: Undecided
Status: New
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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 package in Ubuntu:
New
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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