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comparison src/share/vm/runtime/globals.hpp @ 3854:1af104d6cf99

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7079329: Adjust allocation prefetching for T4 Summary: on T4 2 BIS instructions should be issued to prefetch 64 bytes Reviewed-by: iveresov, phh, twisti
author kvn
date Tue, 16 Aug 2011 16:59:46 -0700
parents 3d42f82cd811
children 3cd0157e1d4d baf763f388e6
comparison
equal deleted inserted replaced
3853:11211f7cb5a0 3854:1af104d6cf99
2895 "3 = use BIS instruction on Sparc for allocation prefetch") \ 2895 "3 = use BIS instruction on Sparc for allocation prefetch") \
2896 \ 2896 \
2897 product(intx, AllocatePrefetchDistance, -1, \ 2897 product(intx, AllocatePrefetchDistance, -1, \
2898 "Distance to prefetch ahead of allocation pointer") \ 2898 "Distance to prefetch ahead of allocation pointer") \
2899 \ 2899 \
2900 product(intx, AllocatePrefetchLines, 1, \ 2900 product(intx, AllocatePrefetchLines, 3, \
2901 "Number of lines to prefetch ahead of allocation pointer") \ 2901 "Number of lines to prefetch ahead of array allocation pointer") \
2902 \
2903 product(intx, AllocateInstancePrefetchLines, 1, \
2904 "Number of lines to prefetch ahead of instance allocation pointer") \
2902 \ 2905 \
2903 product(intx, AllocatePrefetchStepSize, 16, \ 2906 product(intx, AllocatePrefetchStepSize, 16, \
2904 "Step size in bytes of sequential prefetch instructions") \ 2907 "Step size in bytes of sequential prefetch instructions") \
2905 \ 2908 \
2906 product(intx, AllocatePrefetchInstr, 0, \ 2909 product(intx, AllocatePrefetchInstr, 0, \