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64b94ceae8
Patch adds x86_64 assembly implementation of blowfish. Two set of assembler functions are provided. First set is regular 'one-block at time' encrypt/decrypt functions. Second is 'four-block at time' functions that gain performance increase on out-of-order CPUs. Performance of 4-way functions should be equal to 1-way functions with in-order CPUs. Summary of the tcrypt benchmarks: Blowfish assembler vs blowfish C (256bit 8kb block ECB) encrypt: 2.2x speed decrypt: 2.3x speed Blowfish assembler vs blowfish C (256bit 8kb block CBC) encrypt: 1.12x speed decrypt: 2.5x speed Blowfish assembler vs blowfish C (256bit 8kb block CTR) encrypt: 2.5x speed Full output: http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-blowfish-asm-x86_64.txt http://koti.mbnet.fi/axh/kernel/crypto/tcrypt-speed-blowfish-c-x86_64.txt Tests were run on: vendor_id : AuthenticAMD cpu family : 16 model : 10 model name : AMD Phenom(tm) II X6 1055T Processor stepping : 0 Signed-off-by: Jussi Kivilinna <jussi.kivilinna@mbnet.fi> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> |
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| .. | ||
| aes_glue.c | ||
| aes-i586-asm_32.S | ||
| aes-x86_64-asm_64.S | ||
| aesni-intel_asm.S | ||
| aesni-intel_glue.c | ||
| blowfish_glue.c | ||
| blowfish-x86_64-asm_64.S | ||
| crc32c-intel.c | ||
| fpu.c | ||
| ghash-clmulni-intel_asm.S | ||
| ghash-clmulni-intel_glue.c | ||
| Makefile | ||
| salsa20_glue.c | ||
| salsa20-i586-asm_32.S | ||
| salsa20-x86_64-asm_64.S | ||
| sha1_ssse3_asm.S | ||
| sha1_ssse3_glue.c | ||
| twofish_glue.c | ||
| twofish-i586-asm_32.S | ||
| twofish-x86_64-asm_64.S | ||