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-rw-r--r--allocators/BA_allocators.py63
-rw-r--r--allocators/glibc_2.28_no_passive_falsesharing.patch22
-rw-r--r--allocators/hoard_make.patch16
-rw-r--r--allocators/no_falsesharing.py44
-rw-r--r--allocators/tcmalloc_2.7_no_active_falsesharing.patch17
5 files changed, 162 insertions, 0 deletions
diff --git a/allocators/BA_allocators.py b/allocators/BA_allocators.py
new file mode 100644
index 0000000..accd1a2
--- /dev/null
+++ b/allocators/BA_allocators.py
@@ -0,0 +1,63 @@
+import os
+import subprocess
+
+from src.allocator import library_path
+from src.allocator import Allocator as Alloc
+from src.allocator import Allocator_Patched as Alloc_Patched
+from src.allocator import Allocator_Sources as Alloc_Src
+from src.allocator import builddir
+
+optimisation_flag = "-O2"
+
+glibc_src = Alloc_Src("glibc",
+ retrieve_cmds=["git clone git://sourceware.org/git/glibc.git"],
+ prepare_cmds=["git checkout release/2.28/master"])
+
+glibc = Alloc("glibc", sources=glibc_src,
+ build_cmds=["mkdir -p glibc-build",
+ "cd glibc-build; {srcdir}/configure --prefix={dir}",
+ "cd glibc-build; make",
+ "cd glibc-build; make install"],
+ cmd_prefix="{dir}/lib/ld-linux-x86-64.so.2 --library-path {dir}/lib:"+library_path,
+ color="C1")
+
+glibc_notc = Alloc("glibc-notc", sources=glibc_src,
+ build_cmds=["mkdir -p glibc-build",
+ "cd glibc-build; {srcdir}/configure --prefix={dir} --disable-experimental-malloc",
+ "cd glibc-build; make",
+ "cd glibc-build; make install"],
+ cmd_prefix="{dir}/lib/ld-linux-x86-64.so.2 --library-path {dir}/lib:"+library_path,
+ color="C2")
+
+tcmalloc = Alloc("tcmalloc",
+ sources=Alloc_Src("gperftools",
+ retrieve_cmds=["git clone https://github.com/gperftools/gperftools.git"],
+ prepare_cmds=["git checkout gperftools-2.7", "./autogen.sh"]),
+ LD_PRELOAD="{dir}/lib/libtcmalloc.so",
+ build_cmds=["cd {srcdir}; ./configure --prefix={dir} CXXFLAGS=" + optimisation_flag,
+ "cd {srcdir}; make install -j4"],
+ color="C3")
+
+jemalloc = Alloc("jemalloc",
+ sources=Alloc_Src("jemalloc",
+ retrieve_cmds=["git clone https://github.com/jemalloc/jemalloc.git"],
+ prepare_cmds=["git checkout 5.1.0", "./autogen.sh"]),
+ LD_PRELOAD="{dir}/lib/libjemalloc.so",
+ build_cmds=["cd {srcdir}; ./configure --prefix={dir} CFLAGS=" + optimisation_flag,
+ "mkdir {dir}"],
+ color="C4")
+
+hoard = Alloc_Patched("Hoard",
+ Alloc("Hoard", sources=Alloc_Src("Hoard",
+ retrieve_cmds=["git clone https://github.com/emeryberger/Hoard.git"]),
+ LD_PRELOAD="{srcdir}/src/libhoard.so",
+ build_cmds=["cd {srcdir}/src; make",
+ "mkdir {dir}"],
+ color="C5"),
+ ["allocators/hoard_make.patch"])
+
+
+
+allocators_to_build = [glibc, glibc_notc, tcmalloc, jemalloc, hoard]
+
+allocators = {a.name: a.build(verbose=verbose) for a in allocators_to_build}
diff --git a/allocators/glibc_2.28_no_passive_falsesharing.patch b/allocators/glibc_2.28_no_passive_falsesharing.patch
new file mode 100644
index 0000000..fcc695c
--- /dev/null
+++ b/allocators/glibc_2.28_no_passive_falsesharing.patch
@@ -0,0 +1,22 @@
+diff --git a/malloc/malloc.c b/malloc/malloc.c
+index 27cf6137c2..3aadaddd1d 100644
+--- a/malloc/malloc.c
++++ b/malloc/malloc.c
+@@ -4172,6 +4172,9 @@ _int_free (mstate av, mchunkptr p, int have_lock)
+
+ #if USE_TCACHE
+ {
++ /* Check if chunk is from our own arena. */
++ if (av == thread_arena)
++ {
+ size_t tc_idx = csize2tidx (size);
+ if (tcache != NULL && tc_idx < mp_.tcache_bins)
+ {
+@@ -4201,6 +4204,7 @@ _int_free (mstate av, mchunkptr p, int have_lock)
+ return;
+ }
+ }
++ }
+ }
+ #endif
+
diff --git a/allocators/hoard_make.patch b/allocators/hoard_make.patch
new file mode 100644
index 0000000..4848c57
--- /dev/null
+++ b/allocators/hoard_make.patch
@@ -0,0 +1,16 @@
+diff --git a/src/GNUmakefile b/src/GNUmakefile
+index 2b2958e..7fa433a 100644
+--- a/src/GNUmakefile
++++ b/src/GNUmakefile
+@@ -1,9 +1,9 @@
+ # Commands to compile Hoard for various targets.
+ # Run make (with no arguments) to see the complete target list.
+
+-CPPFLAGS = -std=c++14 -O3 -DNDEBUG -ffast-math -fno-builtin-malloc -Wall -Wextra -Wshadow -Wconversion -Wuninitialized
++CPPFLAGS = -std=c++14 -O2 -DNDEBUG -ffast-math -fno-builtin-malloc -Wall -Wextra -Wshadow -Wconversion -Wuninitialized
+ #CPPFLAGS = -std=c++14 -g -O0 -ffast-math -fno-builtin-malloc -Wall -Wextra -Wshadow -Wconversion -Wuninitialized
+-CXX = clang++
++CXX = g++
+
+ # Compute platform (OS and architecture) and build accordingly.
+
diff --git a/allocators/no_falsesharing.py b/allocators/no_falsesharing.py
new file mode 100644
index 0000000..880d4e8
--- /dev/null
+++ b/allocators/no_falsesharing.py
@@ -0,0 +1,44 @@
+import os
+import subprocess
+
+from src.allocator import library_path
+from src.allocator import Allocator as Alloc
+from src.allocator import Allocator_Patched as Alloc_Patched
+from src.allocator import Allocator_Sources as Alloc_Src
+from src.allocator import builddir
+
+optimisation_flag = "-O2"
+
+glibc_src = Alloc_Src("glibc",
+ retrieve_cmds=["git clone git://sourceware.org/git/glibc.git"],
+ prepare_cmds=["git checkout release/2.29/master"],
+ reset_cmds=["git stash"])
+
+glibc = Alloc("glibc", sources=glibc_src,
+ build_cmds=["mkdir -p glibc-build",
+ "cd glibc-build; {srcdir}/configure --prefix={dir}",
+ "cd glibc-build; make",
+ "cd glibc-build; make install"],
+ cmd_prefix="{dir}/lib/ld-linux-x86-64.so.2 --library-path {dir}/lib:"+library_path)
+
+glibc_nofs = Alloc_Patched("glibc_nofs", glibc,
+ ["allocators/glibc_2.28_no_passive_falsesharing.patch"])
+
+tcmalloc_src = Alloc_Src("gperftools",
+ ["git clone https://github.com/gperftools/gperftools.git"],
+ ["git checkout gperftools-2.7", "./autogen.sh"],
+ ["git stash"])
+
+tcmalloc = Alloc("tcmalloc", sources=tcmalloc_src,
+ LD_PRELOAD="{dir}/lib/libtcmalloc.so",
+ build_cmds=["cd {srcdir}; ./configure --prefix={dir} CXXFLAGS=" + optimisation_flag,
+ "cd {srcdir}; make install -j4"],
+ color="C3")
+
+tcmalloc_nofs = Alloc_Patched("tcmalloc_nofs", tcmalloc,
+ ["allocators/tcmalloc_2.7_no_active_falsesharing.patch"],
+ color="C4")
+
+allocators_to_build = [glibc, glibc_nofs, tcmalloc, tcmalloc_nofs]
+
+allocators = {a.name: a.build(verbose=verbose) for a in allocators_to_build}
diff --git a/allocators/tcmalloc_2.7_no_active_falsesharing.patch b/allocators/tcmalloc_2.7_no_active_falsesharing.patch
new file mode 100644
index 0000000..c14172d
--- /dev/null
+++ b/allocators/tcmalloc_2.7_no_active_falsesharing.patch
@@ -0,0 +1,17 @@
+diff --git a/src/thread_cache.cc b/src/thread_cache.cc
+index 6d2f832..2074f4a 100644
+--- a/src/thread_cache.cc
++++ b/src/thread_cache.cc
+@@ -120,7 +120,11 @@ void* ThreadCache::FetchFromCentralCache(uint32 cl, int32_t byte_size,
+ ASSERT(list->empty());
+ const int batch_size = Static::sizemap()->num_objects_to_move(cl);
+
+- const int num_to_move = min<int>(list->max_length(), batch_size);
++ int num_to_move = min<int>(list->max_length(), batch_size);
++ const int cache_line_parts = 64 / byte_size;
++ if (cache_line_parts > 0 && cache_line_parts > num_to_move)
++ num_to_move = cache_line_parts;
++
+ void *start, *end;
+ int fetch_count = Static::central_cache()[cl].RemoveRange(
+ &start, &end, num_to_move);
generated by cgit v1.2.3 (git 2.25.1) at 2026-04-25 14:28:09 +0000