[8u] RFR 8073108: Use x86 and SPARC CPU instructions for GHASH acceleration

[Chen Li]

Thanks for sharing the number, Martin!

best,
chen

On Thu, Jan 2, 2020 at 11:47 AM Doerr, Martin <martin.doerr at sap.com> wrote:

> For comparison: jdk11 is faster:
>
> jdk11/images/jdk/bin/java -Dmode=GCM -DmsgSize=10000 TestAESMain
> 100000 iterations
>
> algorithm=AES, mode=GCM, paddingStr=PKCS5Padding, msgSize=10000,
> keySize=128, noReinit=false, checkOutput=false, encInputOffset=0,
> encOutputOffset=0, decOutputOffset=0, lastChunkSize=32
> Algorithm: AES(128bit)
> Encryption cipher provider: SunJCE version 11
> Encryption cipher algorithm: AES/GCM/PKCS5Padding
> Starting encryption warm-up
> Finished encryption warm-up
> TestAESEncode runtime was 2101.053295 ms
>
> algorithm=AES, mode=GCM, paddingStr=PKCS5Padding, msgSize=10000,
> keySize=128, noReinit=false, checkOutput=false, encInputOffset=0,
> encOutputOffset=0, decOutputOffset=0, lastChunkSize=32
> Algorithm: AES(128bit)
> Decryption cipher provider: SunJCE version 11
> Decryption cipher algorithm: AES/GCM/PKCS5Padding
> Starting decryption warm-up
> Finished decryption warm-up
> TestAESDecode runtime was 1554.809644 ms
>
>
> > -----Original Message-----
> > From: Doerr, Martin
> > Sent: Donnerstag, 2. Januar 2020 20:40
> > To: Chen Li <meloli87 at gmail.com>; jdk8u-dev at openjdk.java.net
> > Subject: RE: [8u] RFR 8073108: Use x86 and SPARC CPU instructions for
> > GHASH acceleration
> >
> > Hi Chen,
> >
> > please find my console output with/without GHASH intrinsics below. The
> > micro benchmark was executed on an Intel(R) Xeon(R) CPU E5-2660 v3 @
> > 2.60GHz machine.
> >
> > Best regards,
> > Martin
> >
> >
> > jdk8/images/j2re-image/bin/java -Dmode=GCM -DmsgSize=10000
> > TestAESMain
> > 100000 iterations
> >
> > algorithm=AES, mode=GCM, paddingStr=PKCS5Padding, msgSize=10000,
> > keySize=128, noReinit=false, checkOutput=false, encInputOffset=0,
> > encOutputOffset=0, decOutputOffset=0, lastChunkSize=32
> > Algorithm: AES(128bit)
> > Encryption cipher provider: SunJCE version 1.8
> > Encryption cipher algorithm: AES/GCM/PKCS5Padding
> > Starting encryption warm-up
> > Finished encryption warm-up
> > TestAESEncode runtime was 4092.488144 ms
> >
> > algorithm=AES, mode=GCM, paddingStr=PKCS5Padding, msgSize=10000,
> > keySize=128, noReinit=false, checkOutput=false, encInputOffset=0,
> > encOutputOffset=0, decOutputOffset=0, lastChunkSize=32
> > Algorithm: AES(128bit)
> > Decryption cipher provider: SunJCE version 1.8
> > Decryption cipher algorithm: AES/GCM/PKCS5Padding
> > Starting decryption warm-up
> > Finished decryption warm-up
> > TestAESDecode runtime was 4273.675072 ms
> >
> >
> > jdk8/images/j2re-image/bin/java -XX:-UseGHASHIntrinsics -Dmode=GCM -
> > DmsgSize=10000 TestAESMain
> > 100000 iterations
> >
> > algorithm=AES, mode=GCM, paddingStr=PKCS5Padding, msgSize=10000,
> > keySize=128, noReinit=false, checkOutput=false, encInputOffset=0,
> > encOutputOffset=0, decOutputOffset=0, lastChunkSize=32
> > Algorithm: AES(128bit)
> > Encryption cipher provider: SunJCE version 1.8
> > Encryption cipher algorithm: AES/GCM/PKCS5Padding
> > Starting encryption warm-up
> > Finished encryption warm-up
> > TestAESEncode runtime was 18781.033722 ms
> >
> > algorithm=AES, mode=GCM, paddingStr=PKCS5Padding, msgSize=10000,
> > keySize=128, noReinit=false, checkOutput=false, encInputOffset=0,
> > encOutputOffset=0, decOutputOffset=0, lastChunkSize=32
> > Algorithm: AES(128bit)
> > Decryption cipher provider: SunJCE version 1.8
> > Decryption cipher algorithm: AES/GCM/PKCS5Padding
> > Starting decryption warm-up
> > Finished decryption warm-up
> > TestAESDecode runtime was 18267.19484 ms
>