perf results

=======================================
memcpy Huge pages enabled
# Running 'mem/memcpy' benchmark:
# function 'default' (Default memcpy() provided by glibc)
# Copying 32MB bytes ...

       2.915506 GB/sec

 Performance counter stats for 'perf bench mem memcpy -s 32MB -l 1024':

       17497205911      cycles
        5406604163      instructions              #    0.31  insn per cycle
              1103      cs
          17234196      cache-misses
           1529488      dTLB-load-misses
        8748576619      bus-cycles
        6463148522      L1-dcache-loads

      11.013654250 seconds time elapsed

      10.914994000 seconds user
       0.003959000 seconds sys


=======================================
memcpy Huge pages disabled
# Running 'mem/memcpy' benchmark:
# function 'default' (Default memcpy() provided by glibc)
# Copying 32MB bytes ...

       5.958894 GB/sec

 Performance counter stats for 'perf bench mem memcpy -s 32MB -l 1024':

        8636916664      cycles
        5427609894      instructions              #    0.63  insn per cycle
               547      cs
            770312      cache-misses
          17199278      dTLB-load-misses
        4318387402      bus-cycles
        6471207813      L1-dcache-loads

       5.424423250 seconds time elapsed

       5.373102000 seconds user
       0.035680000 seconds sys


=======================================
memset Huge pages enabled
# Running 'mem/memset' benchmark:
# function 'default' (Default memset() provided by glibc)
# Copying 32MB bytes ...

       5.981768 GB/sec

 Performance counter stats for 'perf bench mem memset -s 32MB -l 1024':

        8569475724      cycles
        2172962317      instructions              #    0.25  insn per cycle
               542      cs
            469620      cache-misses
            899945      dTLB-load-misses
        4284715295      bus-cycles
        4292130271      L1-dcache-loads

       5.383353750 seconds time elapsed

       5.339468000 seconds user
       0.027683000 seconds sys


=======================================
memset Huge pages disabled
# Running 'mem/memset' benchmark:
# function 'default' (Default memset() provided by glibc)
# Copying 32MB bytes ...

       5.967407 GB/sec

 Performance counter stats for 'perf bench mem memset -s 32MB -l 1024':

        8613621385      cycles
        2197388994      instructions              #    0.26  insn per cycle
               550      cs
            565739      cache-misses
           8777398      dTLB-load-misses
        4306723908      bus-cycles
        4301979101      L1-dcache-loads

       5.410166625 seconds time elapsed

       5.358759000 seconds user
       0.035626000 seconds sys