Lambdachine vs GHC (microbenchmark)

gistfile1.txt

$ ghc-7.0.2 -fforce-recomp -rtsopts -O2 -o ../bench-sumfromto1-100000000 tests/Bench/SumFromTo1.hs 
[1 of 1] Compiling Main             ( tests/Bench/SumFromTo1.hs, tests/Bench/SumFromTo1.o )
Linking ../bench-sumfromto1-100000000 ...

$ time ../bench-sumfromto1-100000000 +RTS -s -A1M
../bench-sumfromto1-100000000 +RTS -s -A1M 
True
   8,904,005,312 bytes allocated in the heap
         550,144 bytes copied during GC
          27,752 bytes maximum residency (1 sample(s))
          20,520 bytes maximum slop
               2 MB total memory in use (0 MB lost due to fragmentation)

  Generation 0:  8491 collections,     0 parallel,  0.02s,  0.04s elapsed
  Generation 1:     1 collections,     0 parallel,  0.00s,  0.00s elapsed

  INIT  time    0.00s  (  0.00s elapsed)
  MUT   time    1.83s  (  1.84s elapsed)
  GC    time    0.02s  (  0.04s elapsed)
  EXIT  time    0.00s  (  0.00s elapsed)
  Total time    1.85s  (  1.87s elapsed)

  %GC time       1.3%  (1.9% elapsed)

  Alloc rate    4,870,596,315 bytes per MUT second

  Productivity  98.7% of total user, 97.6% of total elapsed


real	0m1.875s
user	0m1.852s
sys	0m0.020s


$ time ./lcvm Bench.SumFromTo1
IND -> GHC.Bool.True`con_info 

         8,000,489,786 bytes allocated in the heap
   (     6,073,263,787 bytes per MUT second)
                  7887 collections

  Startup     0.00s  (             395,099 ns)
    LOAD      0.00s  (             255,418 ns)
  Runtime     1.32s  (       1,321,318,574 ns)
    MUT       1.32s  (       1,317,329,539 ns)
    JIT       0.00s  (             600,396 ns)
    GC        0.00s  (           3,388,639 ns)
  Total       1.32s  (       1,321,713,673 ns)

    %GC        0.3%
    %JIT       0.0%


real	0m1.325s
user	0m1.320s
sys	0m0.000s




$ time ./lcvm --no-jit Bench.SumFromTo1
IND -> GHC.Bool.True`con_info 

         8,000,489,722 bytes allocated in the heap
   (       552,571,498 bytes per MUT second)
                  7887 collections

  Startup     0.00s  (             390,420 ns)
    LOAD      0.00s  (             253,406 ns)
  Runtime    14.48s  (      14,481,776,758 ns)
    MUT      14.48s  (      14,478,650,705 ns)
    JIT       0.00s  (                   0 ns)
    GC        0.00s  (           3,126,053 ns)
  Total      14.48s  (      14,482,167,178 ns)

    %GC        0.0%
    %JIT       0.0%


real	0m14.485s
user	0m14.473s
sys	0m0.000s