Date: Tue, 23 Nov 2021 20:36:40 +0100 (CET) From: freebsd@oldach.net (Helge Oldach) To: allanjude@freebsd.org (Allan Jude) Cc: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: Re: git: 32a2fed6e71f - stable/13 - openssl: Fix detection of ARMv7 and ARM64 CPU features Message-ID: <202111231936.1ANJaeDT011754@nuc.oldach.net> In-Reply-To: <d1d98c6b-f643-5c43-3dc2-de24e752be57@freebsd.org> from Allan Jude at "23 Nov 2021 14:14:53"
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Allan Jude wrote on Tue, 23 Nov 2021 20:14:53 +0100 (CET):
> On 11/23/2021 5:00 AM, Helge Oldach wrote:
> > Allan Jude wrote on Mon, 22 Nov 2021 19:14:13 +0100 (CET):
> > Hmmm. On a RPi4/8G:
> >
> > Before (FreeBSD 13.0-STABLE (GENERIC) #366 stable/13-n248173-d16fbc488e6):
> > | type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
> > | aes-256-gcm 35791.98k 38533.57k 39986.77k 41397.59k 39840.43k 39638.36k
> >
> > After (FreeBSD 13.0-STABLE (GENERIC) #367 stable/13-n248176-f085bb0e621)
> >
> > | type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
> > | aes-256-gcm 21277.62k 23226.64k 23613.90k 23687.51k 23892.93k 23947.95k
> >
> > It seems that AES throughput is actually cut by almost half?
>
> Do you know which of the CPU optimizations your RPi4 supports?
Is this what you need?
Instruction Set Attributes 0 = <CRC32>
Instruction Set Attributes 1 = <>
Processor Features 0 = <AdvSIMD,FP,EL3 32,EL2 32,EL1 32,EL0 32>
Processor Features 1 = <>
Memory Model Features 0 = <TGran4,TGran64,SNSMem,BigEnd,16bit ASID,16TB PA>
Memory Model Features 1 = <8bit VMID>
Memory Model Features 2 = <32bit CCIDX,48bit VA>
Debug Features 0 = <DoubleLock,2 CTX BKPTs,4 Watchpoints,6 Breakpoints,PMUv3,Debugv8>
Debug Features 1 = <>
Auxiliary Features 0 = <>
Auxiliary Features 1 = <>
AArch32 Instruction Set Attributes 5 = <CRC32,SEVL>
AArch32 Media and VFP Features 0 = <FPRound,FPSqrt,FPDivide,DP VFPv3+v4,SP VFPv3+v4,AdvSIMD>
AArch32 Media and VFP Features 1 = <SIMDFMAC,FPHP DP Conv,SIMDHP SP Conv,SIMDSP,SIMDInt,SIMDLS,FPDNaN,FPFtZ>
> You can set the environment variable OPENSSL_armcap to override
> OpenSSL's detection.
>
> Try: env OPENSSL_armcap=0 openssl speed -evp aes-256-gcm
On FreeBSD 13.0-STABLE (GENERIC) #367 stable/13-n248176-f085bb0e621 again (i.e. after this commit):
hmo@p48 ~ $ env OPENSSL_armcap=0 openssl speed -evp aes-256-gcm
Doing aes-256-gcm for 3s on 16 size blocks: 6445704 aes-256-gcm's in 3.08s
Doing aes-256-gcm for 3s on 64 size blocks: 1861149 aes-256-gcm's in 3.00s
Doing aes-256-gcm for 3s on 256 size blocks: 479664 aes-256-gcm's in 3.01s
Doing aes-256-gcm for 3s on 1024 size blocks: 122853 aes-256-gcm's in 3.04s
Doing aes-256-gcm for 3s on 8192 size blocks: 15181 aes-256-gcm's in 3.00s
Doing aes-256-gcm for 3s on 16384 size blocks: 7796 aes-256-gcm's in 3.07s
OpenSSL 1.1.1l-freebsd 24 Aug 2021
built on: reproducible build, date unspecified
options:bn(64,64) rc4(int) des(int) aes(partial) idea(int) blowfish(ptr)
compiler: clang
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-256-gcm 33504.57k 39704.51k 40825.01k 41394.83k 41454.25k 41601.52k
hmo@p48 ~ $ openssl speed -evp aes-256-gcm
Doing aes-256-gcm for 3s on 16 size blocks: 4066201 aes-256-gcm's in 3.00s
Doing aes-256-gcm for 3s on 64 size blocks: 1087387 aes-256-gcm's in 3.00s
Doing aes-256-gcm for 3s on 256 size blocks: 280110 aes-256-gcm's in 3.03s
Doing aes-256-gcm for 3s on 1024 size blocks: 70412 aes-256-gcm's in 3.04s
Doing aes-256-gcm for 3s on 8192 size blocks: 8762 aes-256-gcm's in 3.00s
Doing aes-256-gcm for 3s on 16384 size blocks: 4402 aes-256-gcm's in 3.02s
OpenSSL 1.1.1l-freebsd 24 Aug 2021
built on: reproducible build, date unspecified
options:bn(64,64) rc4(int) des(int) aes(partial) idea(int) blowfish(ptr)
compiler: clang
The 'numbers' are in 1000s of bytes per second processed.
type 16 bytes 64 bytes 256 bytes 1024 bytes 8192 bytes 16384 bytes
aes-256-gcm 21686.41k 23197.59k 23656.30k 23725.04k 23926.10k 23916.23k
hmo@p48 ~ $
Kind regards,
Helge
help
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