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authorlloyd <[email protected]>2010-02-25 06:15:04 +0000
committerlloyd <[email protected]>2010-02-25 06:15:04 +0000
commitbe73bf2a3ff7ed61a7f58117cca00ab220ede52b (patch)
treefdd1e30a0c68da08bb567aa5933734c86ebb5f6c /src/block/xtea_simd
parentdb1b57b499ad34a49adf4a2c53651d79c470b4f2 (diff)
Set parallelism defaults.
Default unless specified is now 4. For SIMD code, use 2x the number of blocks which are processed in parallel using SIMD by that cipher. It may make sense to increase this to 4x or even more, further experimentation is necessary.
Diffstat (limited to 'src/block/xtea_simd')
-rw-r--r--src/block/xtea_simd/xtea_simd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/block/xtea_simd/xtea_simd.h b/src/block/xtea_simd/xtea_simd.h
index e4ce734ed..04a4977ae 100644
--- a/src/block/xtea_simd/xtea_simd.h
+++ b/src/block/xtea_simd/xtea_simd.h
@@ -18,6 +18,8 @@ namespace Botan {
class BOTAN_DLL XTEA_SIMD : public XTEA
{
public:
+ u32bit parallelism() const { return 16; }
+
void encrypt_n(const byte in[], byte out[], u32bit blocks) const;
void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
BlockCipher* clone() const { return new XTEA_SIMD; }