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Patch adds 3-way parallel x86_64 assembly implementation of twofish as new module. New assembler functions crypt data in three blocks chunks, improving cipher performance on out-of-order CPUs. Patch has been tested with tcrypt and automated filesystem tests. Summary of the tcrypt benchmarks: Twofish 3-way-asm vs twofish asm (128bit 8kb block ECB) encrypt: 1.3x speed decrypt: 1.3x speed Twofish 3-way-asm vs twofish asm (128bit 8kb block CBC) encrypt: 1.07x speed decrypt: 1.4x speed Twofish 3-way-asm vs twofish asm (128bit 8kb block CTR) encrypt: 1.4x speed Twofish 3-way-asm vs AES asm (128bit 8kb block ECB) encrypt: 1.0x speed decrypt: 1.0x speed Twofish 3-way-asm vs AES asm (128bit 8kb block CBC) encrypt: 0.84x speed decrypt: 1.09x speed Twofish 3-way-asm vs AES asm (128bit 8kb block CTR) encrypt: 1.15x speed Full output: http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-twofish-3way-asm-x86_64.txt http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-twofish-asm-x86_64.txt http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-aes-asm-x86_64.txt Tests were run on: vendor_id : AuthenticAMD cpu family : 16 model : 10 model name : AMD Phenom(tm) II X6 1055T Processor Also userspace test were run on: vendor_id : GenuineIntel cpu family : 6 model : 15 model name : Intel(R) Xeon(R) CPU E7330 @ 2.40GHz stepping : 11 Userspace test results: Encryption/decryption of twofish 3-way vs x86_64-asm on AMD Phenom II: encrypt: 1.27x decrypt: 1.25x Encryption/decryption of twofish 3-way vs x86_64-asm on Intel Xeon E7330: encrypt: 1.36x decrypt: 1.36x Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
40 lines
1.6 KiB
Makefile
40 lines
1.6 KiB
Makefile
#
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# Arch-specific CryptoAPI modules.
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#
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obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
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obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
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obj-$(CONFIG_CRYPTO_SALSA20_586) += salsa20-i586.o
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obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
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obj-$(CONFIG_CRYPTO_BLOWFISH_X86_64) += blowfish-x86_64.o
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obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
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obj-$(CONFIG_CRYPTO_TWOFISH_X86_64_3WAY) += twofish-x86_64-3way.o
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obj-$(CONFIG_CRYPTO_SALSA20_X86_64) += salsa20-x86_64.o
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obj-$(CONFIG_CRYPTO_AES_NI_INTEL) += aesni-intel.o
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obj-$(CONFIG_CRYPTO_GHASH_CLMUL_NI_INTEL) += ghash-clmulni-intel.o
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obj-$(CONFIG_CRYPTO_CRC32C_INTEL) += crc32c-intel.o
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obj-$(CONFIG_CRYPTO_SHA1_SSSE3) += sha1-ssse3.o
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aes-i586-y := aes-i586-asm_32.o aes_glue.o
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twofish-i586-y := twofish-i586-asm_32.o twofish_glue.o
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salsa20-i586-y := salsa20-i586-asm_32.o salsa20_glue.o
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aes-x86_64-y := aes-x86_64-asm_64.o aes_glue.o
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blowfish-x86_64-y := blowfish-x86_64-asm_64.o blowfish_glue.o
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twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_glue.o
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twofish-x86_64-3way-y := twofish-x86_64-asm_64-3way.o twofish_glue_3way.o
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salsa20-x86_64-y := salsa20-x86_64-asm_64.o salsa20_glue.o
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aesni-intel-y := aesni-intel_asm.o aesni-intel_glue.o fpu.o
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ghash-clmulni-intel-y := ghash-clmulni-intel_asm.o ghash-clmulni-intel_glue.o
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# enable AVX support only when $(AS) can actually assemble the instructions
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ifeq ($(call as-instr,vpxor %xmm0$(comma)%xmm1$(comma)%xmm2,yes,no),yes)
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AFLAGS_sha1_ssse3_asm.o += -DSHA1_ENABLE_AVX_SUPPORT
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CFLAGS_sha1_ssse3_glue.o += -DSHA1_ENABLE_AVX_SUPPORT
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endif
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sha1-ssse3-y := sha1_ssse3_asm.o sha1_ssse3_glue.o
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