Skip to content

Instantly share code, notes, and snippets.

View methodmissing's full-sized avatar

Lourens Naudé methodmissing

358 followers · 182 following
View GitHub Profile
@methodmissing
methodmissing / gist:284669
Created January 23, 2010 16:27
methodmissing:google-perftools-1.5 lourens$ make
/bin/sh ./libtool --tag=CXX --mode=link g++ -Wall -Wwrite-strings -Woverloaded-virtual -Wno-sign-compare -g -O2 -no-undefined -o libtcmalloc_minimal.la -rpath /opt/local/lib -D_THREAD_SAFE libtcmalloc_minimal_la-tcmalloc.lo libtcmalloc_minimal_internal.la
rm -fr .libs/libtcmalloc_minimal.lax
rm -fr .libs/libtcmalloc_minimal.lax
mkdir .libs/libtcmalloc_minimal.lax
rm -fr .libs/libtcmalloc_minimal.lax/libtcmalloc_minimal_internal.a
mkdir .libs/libtcmalloc_minimal.lax/libtcmalloc_minimal_internal.a
Extracting /Users/lourens/installs/google-perftools-1.5/./.libs/libtcmalloc_minimal_internal.a
(cd .libs/libtcmalloc_minimal.lax/libtcmalloc_minimal_internal.a && ar x /Users/lourens/installs/google-perftools-1.5/./.libs/libtcmalloc_minimal_internal.a)
g++ -dynamiclib -o .libs/libtcmalloc_minimal.0.0.0.dylib .libs/libtcmalloc_minimal_la-tcmalloc.o .libs/libtcmalloc_minimal.lax/libtcmalloc_minimal_internal.a/atomicops-internals-x86.o .libs/libtcmalloc_minima
@methodmissing
methodmissing / gist:281307
Created January 19, 2010 21:18
static void *
alloc_ruby_heap_with_file(size_t size)
{
FileHeapAllocatorMetaData meta;
meta.fd = open("/dev/zero", O_RDONLY);
meta.size = size;
if (meta.fd == -1) {
return NULL;
} else {
void *memory = mmap(NULL, size + sizeof(meta), PROT_READ | PROT_WRITE,
@methodmissing
methodmissing / gc_bench.rb
Created January 16, 2010 02:58
GC.enable_stats
class S
def initialize(a)
@a = a
end
end
ITER = 5
Benchmark.bmbm do |results|
@methodmissing
methodmissing / bench_with_cached_obj_hash.txt
Created January 13, 2010 18:58
methodmissing:rubyenterpriseedition187-248 lourens$ ./ruby -Ilib obj_hash_bench.rb
Rehearsal ---------------------------------------------------
Hash#[:array] 0.030000 0.000000 0.030000 ( 0.032720)
Hash#[:bignum] 0.030000 0.000000 0.030000 ( 0.028503)
Hash#[:hash] 0.030000 0.000000 0.030000 ( 0.031888)
Hash#[:numeric] 0.030000 0.000000 0.030000 ( 0.032113)
Hash#[:range] 0.030000 0.000000 0.030000 ( 0.031008)
Hash#[:time] 0.030000 0.000000 0.030000 ( 0.030119)
Hash#[:rexp] 0.030000 0.000000 0.030000 ( 0.030865)
Hash#[:string] 0.040000 0.000000 0.040000 ( 0.033808)
@methodmissing
methodmissing / bench_with_memoized_obj_hash.txt
Created January 10, 2010 22:05
Memoized obj hash values - ree 187-248
methodmissing:rubyenterpriseedition187-248 lourens$ ./ruby -Ilib obj_hash_bench.rb
Rehearsal ---------------------------------------------------
Hash#[:array] 0.030000 0.000000 0.030000 ( 0.030316)
Hash#[:bignum] 0.030000 0.000000 0.030000 ( 0.027775)
Hash#[:hash] 0.030000 0.000000 0.030000 ( 0.030893)
Hash#[:numeric] 0.030000 0.000000 0.030000 ( 0.030195)
Hash#[:range] 0.030000 0.000000 0.030000 ( 0.029430)
Hash#[:time] 0.030000 0.000000 0.030000 ( 0.029966)
Hash#[:rexp] 0.030000 0.000000 0.030000 ( 0.029690)
Hash#[:string] 0.030000 0.000000 0.030000 ( 0.032869)
@methodmissing
methodmissing / method_cache_event.diff
Created January 6, 2010 23:21
diff --git a/eval.c b/eval.c
index 057afd9..aa50cb5 100644
--- a/eval.c
+++ b/eval.c
@@ -371,69 +371,10 @@ struct cache_entry { /* method hash table. */
static struct cache_entry cache[CACHE_SIZE];
static int ruby_running = 0;
-void
-rb_clear_cache()
@methodmissing
methodmissing / gist:268009
Created January 3, 2010 15:37
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
sched_yield() = 0
@methodmissing
methodmissing / gist:264779
Created December 28, 2009 16:58
diff --git a/configure.in b/configure.in
index ac63760..5897782 100644
--- a/configure.in
+++ b/configure.in
@@ -669,6 +669,24 @@ if test "$use_setreuid" = yes; then
AC_DEFINE(USE_SETREUID)
AC_DEFINE(USE_SETREGID)
fi
+
+AC_ARG_ENABLE(threaded-dispatch,
@methodmissing
methodmissing / gist:264492
Created December 28, 2009 02:05
L1622:
# basic block 74
movq -112(%rbp), %rax
movq %rax, _ruby_current_node(%rip)
movq -112(%rbp), %rax
movq (%rax), %rax
shrq $12, %rax
andl $255, %eax
cltq
leaq 0(,%rax,8), %rdx
@methodmissing
methodmissing / gist:264160
Created December 27, 2009 04:48
diff --git a/configure.in b/configure.in
index ac63760..0211b14 100644
--- a/configure.in
+++ b/configure.in
@@ -669,6 +669,24 @@ if test "$use_setreuid" = yes; then
AC_DEFINE(USE_SETREUID)
AC_DEFINE(USE_SETREGID)
fi
+
+AC_ARG_ENABLE(threaded-dispatch,