From 6ef46f71c743507a0e2ae0eef14dce0539b0ff52 Mon Sep 17 00:00:00 2001 From: nagachika Date: Sat, 20 Mar 2021 14:23:45 +0900 Subject: merge revision(s) 511b55bcefc81c036294dc9a544d14bd342acd3b: [Backport #17215] Enable arm64 optimizations that exist for power/x86 (#3393) * Enable unaligned accesses on arm64 64-bit Arm platforms support unaligned accesses. Running the string benchmarks this change improves performance by an average of 1.04x, min .96x, max 1.21x, median 1.01x * arm64 enable gc optimizations Similar to x86 and powerpc optimizations. | |compare-ruby|built-ruby| |:------|-----------:|---------:| |hash1 | 0.225| 0.237| | | -| 1.05x| |hash2 | 0.110| 0.110| | | 1.00x| -| * vm_exec.c: improve performance for arm64 | |compare-ruby|built-ruby| |:------------------------------|-----------:|---------:| |vm_array | 26.501M| 27.959M| | | -| 1.06x| |vm_attr_ivar | 21.606M| 31.429M| | | -| 1.45x| |vm_attr_ivar_set | 21.178M| 26.113M| | | -| 1.23x| |vm_backtrace | 6.621| 6.668| | | -| 1.01x| |vm_bigarray | 26.205M| 29.958M| | | -| 1.14x| |vm_bighash | 504.155k| 479.306k| | | 1.05x| -| |vm_block | 16.692M| 21.315M| | | -| 1.28x| |block_handler_type_iseq | 5.083| 7.004| | | -| 1.38x| --- gc.c | 13 +++++++++++++ gc.h | 2 ++ include/ruby/internal/config.h | 2 ++ regint.h | 2 +- siphash.c | 2 +- st.c | 2 +- vm_exec.c | 8 ++++++++ 7 files changed, 28 insertions(+), 3 deletions(-) --- include/ruby/defines.h | 1 + 1 file changed, 1 insertion(+) (limited to 'include/ruby') diff --git a/include/ruby/defines.h b/include/ruby/defines.h index 5e03d49985..dc71d65100 100644 --- a/include/ruby/defines.h +++ b/include/ruby/defines.h @@ -486,6 +486,7 @@ void rb_sparc_flush_register_windows(void); # if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \ defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || \ defined(__powerpc64__) || \ + defined(__aarch64__) || \ defined(__mc68020__) # define UNALIGNED_WORD_ACCESS 1 # else -- cgit v1.2.3