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Message-ID: <CAGDMk9HP3T7mJUiLoRJROJgjkJAemNMk4QRwnu6faMCSCVgrCA@mail.gmail.com>
Date: Wed, 8 Apr 2015 17:48:37 -0400
From: John Mudd <johnbmudd@...il.com>
To: Alexander Monakov <amonakov@...ras.ru>
Cc: musl <musl@...ts.openwall.com>, John Mudd <johnbmudd@...il.com>
Subject: Re: musl perf, 20% slower than native build?
Reran benchmark using -O3 musl library and now musl and native have
basically the same run times.
native:
2.08% python libc-2.19.so [.] __memcpy_ssse3
0.81% python libc-2.19.so [.] __x86.get_pc_thunk.bx
0.56% python libc-2.19.so [.] __memset_sse2
0.53% python libc-2.19.so [.] _int_malloc
0.45% python libc-2.19.so [.] _int_free
0.40% python libc-2.19.so [.] malloc
0.22% python libc-2.19.so [.] realloc
0.21% python libc-2.19.so [.] __ctype_b_loc
0.12% python libc-2.19.so [.] __x86.get_pc_thunk.cx
0.12% python libc-2.19.so [.] free
0.01% python libc-2.19.so [.] __strlen_sse2_bsf
0.01% python libc-2.19.so [.] malloc_consolidate
0.01% python libc-2.19.so [.] __memcpy_ia32
0.00% python libc-2.19.so [.] _IO_getc
0.00% python libc-2.19.so [.] mremap_chunk
0.00% python libc-2.19.so [.] _int_realloc
0.00% python libc-2.19.so [.] __strcmp_ssse3
musl:
5.37% python libc.so [.] memcpy
1.96% python libc.so [.] malloc
1.93% python libc.so [.] free
0.60% python libc.so [.] memset
0.20% python libc.so [.] __x86.get_pc_thunk.bx
0.12% python libc.so [.] realloc
0.03% python libc.so [.] alloc_fwd
0.02% python libc.so [.] alloc_rev
0.01% python libc.so [.] find_sym
0.01% python libc.so [.] strcmp
0.00% python libc.so [.] memcmp
0.00% python libc.so [.] __vm_lock
0.00% python libc.so [.] __strerror_l
0.00% python libc.so [.] __cp_end
0.00% python libc.so [.] .L350
0.00% python libc.so [.] strlen
0.00% python libc.so [.] memchr
0.00% python libc.so [.] pthread_rwlock_trywrlock
On Wed, Apr 8, 2015 at 4:24 PM, John Mudd <johnbmudd@...il.com> wrote:
> Ignore my previous email. The symbols are there. I'll rebuild again and
> check the speed...
>
> On Wed, Apr 8, 2015 at 4:16 PM, John Mudd <johnbmudd@...il.com> wrote:
>
>> I don't see any of those "a_*" names in the output of 'nm' or 'readelf
>> -a' on musl-1.1.8/lib/libc.so.
>>
>>>
>>>
>>
>
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