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  1. JDK
  2. JDK-8002272

JVM AES support

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    • Icon: Bug Bug
    • Resolution: Not an Issue
    • Icon: P1 P1
    • None
    • hs25
    • hotspot
    • None
    • Intel i5-520M
      Ubuntu
      ajiva@azeem-t410 ~ $ uname -a
      Linux azeem-t410 3.2.0-32-generic #51-Ubuntu SMP Wed Sep 26 21:33:09 UTC 2012 x86_64 x86_64 x86_64 GNU/Linux

    • x86
    • linux_ubuntu

      My Intel i5-520M supports AES (See: http://ark.intel.com/products/47341/Intel-Core-i5-520M-Processor-3M-Cache-2_40-GHz)

      The JVM though says that's not true:

      ajiva@azeem-t410 ~ $ ~/jdk8/bin/java -XX:+UseAES -XX:+UseAESIntrinsics -version
      Java HotSpot(TM) 64-Bit Server VM warning: AES intrinsics not available on this CPU
      java version "1.8.0-ea"
      Java(TM) SE Runtime Environment (build 1.8.0-ea-b63)
      Java HotSpot(TM) 64-Bit Server VM (build 25.0-b07, mixed mode)

      Although /proc/cpuinfo shows:

      flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts rep_good nopl xtopology nonstop_tsc aperfmperf pni pclmulqdq dtes64 monitor ds_cpl vmx smx est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 popcnt aes lahf_lm ida arat dtherm tpr_shadow vnmi flexpriority ept vpid

      Which shows AES support




            Unassigned Unassigned
            azeemj Azeem Jiva
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              Created:
              Updated:
              Resolved: