On Friday, March 31, 2023 at 1:44:41 AM UTC-4 Sam Van Gucht wrote:
Hi everyone, We noticed AES GCM in significant slower on M1 compare to an Intel Mac. Encrypting a 100mb files takes ~130ms on Intel Mac & while on M1 it takes ~510ms. Are the ARMv8 Cryptographic instructions not supported The Clang compiler provided by Apple is crippled. It does not provide the intrinsics needed for the multiplies. The fix is to use inline assembly. Apple compilers support the mnemonics. I don't have access to an Apple ARMv8 and M1 machines any longer. I donated the one I bought to the GCC Compile Farm. They loaded Debian on it. Jeff -- You received this message because you are subscribed to the Google Groups "Crypto++ Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/cryptopp-users/56d9db2e-ab96-4259-817a-c767141a80b7n%40googlegroups.com.
