Implementation notes: amd64, scw1b63b1, crypto_sort/int32

Computer: scw1b63b1
Architecture: amd64
CPU ID: GenuineIntel-000506f1-0f8bfbff
SUPERCOP version: 20191017
Operation: crypto_sort
Primitive: int32

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
35108	928 0 0	11841 784 736	`herf`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
36110	580 0 0	12876 808 808	`herf`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
36874	520 0 0	9643 776 736	`herf`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
42508	591 0 0	10707 800 808	`herf`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
43258	552 0 0	10561 784 736	`herf`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
43860	521 0 0	9455 784 776	`herf`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
44842	552 0 0	11385 784 736	`herf`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
46618	594 0 0	10539 800 808	`herf`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
47688	552 0 0	10561 784 736	`herf`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
72946	1312 0 0	11562 840 816	`stdsort`	`g++_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
73474	1996 0 0	13004 824 728	`stdsort`	`clang++_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
73750	1364 0 0	11524 824 728	`stdsort`	`clang++_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
74686	1350 0 0	13787 848 816	`stdsort`	`g++_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
74878	1126 0 0	10414 816 728	`stdsort`	`clang++_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
75812	1364 0 0	11524 824 728	`stdsort`	`clang++_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
77966	971 0 0	10046 824 784	`stdsort`	`g++_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
79216	1312 0 0	11402 840 816	`stdsort`	`g++_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
97406	1170 0 0	10291 776 736	`x86`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
99848	1585 0 0	12417 784 736	`x86`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
102376	1177 0 0	13476 808 808	`x86`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
102512	1177 0 0	11291 800 808	`x86`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
105334	1569 0 0	12489 784 736	`x86`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
106586	1361 0 0	11369 784 736	`x86`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
107132	1361 0 0	11369 784 736	`x86`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
112932	1356 0 0	11299 800 808	`x86`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
117158	1047 0 0	9983 784 776	`x86`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
123044	1414 0 0	12241 784 736	`portable4`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
129504	2075 0 0	14372 808 808	`portable4`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
130216	1302 0 0	11305 784 736	`portable4`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
130222	1302 0 0	11305 784 736	`portable4`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
131328	721 0 0	9843 776 736	`portable4`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
132440	1414 0 0	12329 784 736	`portable4`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
132812	808 0 0	10923 800 808	`portable4`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
137318	660 0 0	9591 784 776	`portable4`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
139750	1385 0 0	10499 776 736	`portable5`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
142338	881 0 0	10819 800 808	`portable4`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
144804	2294 0 0	13121 784 736	`portable5`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
148354	376 0 0	11201 784 736	`portable3`	`clang_-march=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
148908	2703 0 0	14996 808 808	`portable5`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
149296	1416 0 0	11531 800 808	`portable5`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
149498	2070 0 0	12073 784 736	`portable5`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
149950	2070 0 0	12073 784 736	`portable5`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
150696	339 0 0	9459 776 736	`portable3`	`clang_-march=native_-Os_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
151094	392 0 0	10393 784 736	`portable3`	`clang_-march=native_-O_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
151120	392 0 0	10393 784 736	`portable3`	`clang_-march=native_-O2_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
153172	403 0 0	10515 800 808	`portable3`	`gcc_-march=native_-mtune=native_-O2_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
153462	403 0 0	12700 808 808	`portable3`	`gcc_-march=native_-mtune=native_-O3_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
155458	2278 0 0	13193 784 736	`portable5`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
157106	375 0 0	11289 784 736	`portable3`	`clang_-mcpu=native_-O3_-fomit-frame-pointer_-fwrapv_-Qunused-arguments_-fPIC_-fPIE`	20191214	20191017
160230	1594 0 0	11539 800 808	`portable5`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
161358	1244 0 0	10175 784 776	`portable5`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
167136	449 0 0	10395 800 808	`portable3`	`gcc_-march=native_-mtune=native_-O_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017
171118	360 0 0	9287 784 776	`portable3`	`gcc_-march=native_-mtune=native_-Os_-fomit-frame-pointer_-fwrapv_-fPIC_-fPIE`	20191214	20191017

Test failure

Implementation: krasnov
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

error 111

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	krasnov
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	krasnov
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	krasnov
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	krasnov

Compiler output

Implementation: aspas
Security model: unknown
Compiler: clang++ -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

api.cpp: In file included from api.cpp:3:
api.cpp: In file included from ./aspas.h:30:
api.cpp: In file included from /usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/cstdint:35:
api.cpp: /usr/bin/../lib/gcc/x86_64-linux-gnu/6.3.0/../../../../include/c++/6.3.0/bits/c++0x_warning.h:32:2: error: This file requires compiler and library support for the ISO C++ 2011 standard. This support must be enabled with the -std=c++11 or -std=gnu++11 compiler options.
api.cpp: #error This file requires compiler and library support ^
api.cpp: In file included from api.cpp:3:
api.cpp: ./aspas.h:49:6: warning: scoped enumerations are a C++11 extension [-Wc++11-extensions]
api.cpp: enum class simd_width : std::int8_t
api.cpp: ^
api.cpp: ...
api.cpp: typename std::enable_if<std::is_same<T, int>::value>::type
api.cpp: ^
api.cpp: ./aspas.h:175:15: error: no type named 'enable_if' in namespace 'std'
api.cpp: typename std::enable_if<std::is_same<T, float>::value>::type
api.cpp: ~~~~~~~~~~~~~~^~~~~~~~~
api.cpp: ./aspas.h:175:24: error: expected unqualified-id
api.cpp: typename std::enable_if<std::is_same<T, float>::value>::type
api.cpp: ^
api.cpp: fatal error: too many errors emitted, stopping now [-ferror-limit=]
api.cpp: 1 warning and 20 errors generated.

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
clang++ -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	aspas
clang++ -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	aspas
clang++ -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	aspas
clang++ -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	aspas

Compiler output

Implementation: aspas
Security model: unknown
Compiler: g++ -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
g++ -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	aspas

Compiler output

Implementation: aspas
Security model: unknown
Compiler: g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	aspas

Compiler output

Implementation: aspas
Security model: unknown
Compiler: g++ -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
g++ -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	aspas

Compiler output

Implementation: aspas
Security model: unknown
Compiler: g++ -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE

try.cpp: crypto_sort_int32.a(api.o): In function `crypto_sort_int32_aspas':
try.cpp: api.cpp:(.text+0x...): undefined reference to `std::enable_if<std::is_same<int, int>::value, void>::type aspas::internal::sorter<int>(int*&, unsigned int)'
try.cpp: crypto_sort_int32.a(api.o): In function `void aspas::internal::merger<int>(int*&, unsigned int)':
try.cpp: api.cpp:(.text._ZN5aspas8internal6mergerIiEEvRPT_j[_ZN5aspas8internal6mergerIiEEvRPT_j]+0x12d): undefined reference to `std::enable_if<std::is_same<int, int>::value, void>::type aspas::merge<int>(int*, unsigned int, int*, unsigned int, int*)'
try.cpp: api.cpp:(.text._ZN5aspas8internal6mergerIiEEvRPT_j[_ZN5aspas8internal6mergerIiEEvRPT_j]+0x205): undefined reference to `std::enable_if<std::is_same<int, int>::value, void>::type aspas::merge<int>(int*, unsigned int, int*, unsigned int, int*)'
try.cpp: api.cpp:(.text._ZN5aspas8internal6mergerIiEEvRPT_j[_ZN5aspas8internal6mergerIiEEvRPT_j]+0x2a0): undefined reference to `std::enable_if<std::is_same<int, int>::value, void>::type aspas::merge<int>(int*, unsigned int, int*, unsigned int, int*)'
try.cpp: api.cpp:(.text._ZN5aspas8internal6mergerIiEEvRPT_j[_ZN5aspas8internal6mergerIiEEvRPT_j]+0x2ef): undefined reference to `std::enable_if<std::is_same<int, int>::value, void>::type aspas::merge<int>(int*, unsigned int, int*, unsigned int, int*)'
try.cpp: collect2: error: ld returned 1 exit status

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
g++ -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	aspas

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

sort.c: sort.c:940:40: error: always_inline function '_mm256_set1_epi32' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: for (i = q>>3;i < q>>2;++i) y[i] = _mm256_set1_epi32(0x7fffffff);
sort.c: ^
sort.c: sort.c:956:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: int32x8 x0 = int32x8_load(&x[i]);
sort.c: ^
sort.c: sort.c:9:25: note: expanded from macro 'int32x8_load'
sort.c: #define int32x8_load(z) _mm256_loadu_si256((__m256i *) (z))
sort.c: ^
sort.c: sort.c:957:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: ...
sort.c: clang: note: diagnostic msg:
sort.c: ********************
sort.c:
sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
sort.c: Preprocessed source(s) and associated run script(s) are located at:
sort.c: clang: note: diagnostic msg: /tmp/sort-0fc617.c
sort.c: clang: note: diagnostic msg: /tmp/sort-0fc617.sh
sort.c: clang: note: diagnostic msg:
sort.c:
sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

sort.c: sort.c:940:40: error: always_inline function '_mm256_set1_epi32' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: for (i = q>>3;i < q>>2;++i) y[i] = _mm256_set1_epi32(0x7fffffff);
sort.c: ^
sort.c: sort.c:956:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: int32x8 x0 = int32x8_load(&x[i]);
sort.c: ^
sort.c: sort.c:9:25: note: expanded from macro 'int32x8_load'
sort.c: #define int32x8_load(z) _mm256_loadu_si256((__m256i *) (z))
sort.c: ^
sort.c: sort.c:957:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: ...
sort.c: clang: note: diagnostic msg:
sort.c: ********************
sort.c:
sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
sort.c: Preprocessed source(s) and associated run script(s) are located at:
sort.c: clang: note: diagnostic msg: /tmp/sort-53c4a9.c
sort.c: clang: note: diagnostic msg: /tmp/sort-53c4a9.sh
sort.c: clang: note: diagnostic msg:
sort.c:
sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

sort.c: sort.c:940:40: error: always_inline function '_mm256_set1_epi32' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: for (i = q>>3;i < q>>2;++i) y[i] = _mm256_set1_epi32(0x7fffffff);
sort.c: ^
sort.c: sort.c:956:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: int32x8 x0 = int32x8_load(&x[i]);
sort.c: ^
sort.c: sort.c:9:25: note: expanded from macro 'int32x8_load'
sort.c: #define int32x8_load(z) _mm256_loadu_si256((__m256i *) (z))
sort.c: ^
sort.c: sort.c:957:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: ...
sort.c: clang: note: diagnostic msg:
sort.c: ********************
sort.c:
sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
sort.c: Preprocessed source(s) and associated run script(s) are located at:
sort.c: clang: note: diagnostic msg: /tmp/sort-3ccd60.c
sort.c: clang: note: diagnostic msg: /tmp/sort-3ccd60.sh
sort.c: clang: note: diagnostic msg:
sort.c:
sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

sort.c: sort.c:940:40: error: always_inline function '_mm256_set1_epi32' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: for (i = q>>3;i < q>>2;++i) y[i] = _mm256_set1_epi32(0x7fffffff);
sort.c: ^
sort.c: sort.c:956:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: int32x8 x0 = int32x8_load(&x[i]);
sort.c: ^
sort.c: sort.c:9:25: note: expanded from macro 'int32x8_load'
sort.c: #define int32x8_load(z) _mm256_loadu_si256((__m256i *) (z))
sort.c: ^
sort.c: sort.c:957:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'int32_sort' that is compiled without support for 'xsave'
sort.c: ...
sort.c: clang: note: diagnostic msg:
sort.c: ********************
sort.c:
sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
sort.c: Preprocessed source(s) and associated run script(s) are located at:
sort.c: clang: note: diagnostic msg: /tmp/sort-2ed3d3.c
sort.c: clang: note: diagnostic msg: /tmp/sort-2ed3d3.sh
sort.c: clang: note: diagnostic msg:
sort.c:
sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

sort.c: sort.c:940:40: error: always_inline function '_mm256_set1_epi32' requires target feature 'sse4.2', but would be inlined into function 'int32_sort' that is compiled without support for 'sse4.2'
sort.c: for (i = q>>3;i < q>>2;++i) y[i] = _mm256_set1_epi32(0x7fffffff);
sort.c: ^
sort.c: sort.c:956:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'int32_sort' that is compiled without support for 'sse4.2'
sort.c: int32x8 x0 = int32x8_load(&x[i]);
sort.c: ^
sort.c: sort.c:9:25: note: expanded from macro 'int32x8_load'
sort.c: #define int32x8_load(z) _mm256_loadu_si256((__m256i *) (z))
sort.c: ^
sort.c: sort.c:957:22: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'int32_sort' that is compiled without support for 'sse4.2'
sort.c: ...
sort.c: clang: note: diagnostic msg:
sort.c: ********************
sort.c:
sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
sort.c: Preprocessed source(s) and associated run script(s) are located at:
sort.c: clang: note: diagnostic msg: /tmp/sort-a20c88.c
sort.c: clang: note: diagnostic msg: /tmp/sort-a20c88.sh
sort.c: clang: note: diagnostic msg:
sort.c:
sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	avx2

Compiler output

Implementation: avx2
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

sort.c: sort.c: In function ‘int32_sort’:
sort.c: sort.c:940:38: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
sort.c: for (i = q>>3;i < q>>2;++i) y[i] = _mm256_set1_epi32(0x7fffffff);
sort.c: ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
sort.c: sort.c: In function ‘merge16_finish’:
sort.c: sort.c:55:13: note: The ABI for passing parameters with 32-byte alignment has changed in GCC 4.6
sort.c: static void merge16_finish(int32 *x,int32x8 x0,int32x8 x1,int flagdown)
sort.c: ^~~~~~~~~~~~~~
sort.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:41:0,
sort.c: from sort.c:4:
sort.c: ...
sort.c: int32x8 y0 = int32x8_load(y);
sort.c: ^~
sort.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:41:0,
sort.c: from sort.c:4:
sort.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avxintrin.h:894:1: error: inlining failed in call to always_inline ‘_mm256_loadu_si256’: target specific option mismatch
sort.c: _mm256_loadu_si256 (__m256i const *__P)
sort.c: ^~~~~~~~~~~~~~~~~~
sort.c: sort.c:42:13: note: called from here
sort.c: int32x8 x0 = int32x8_load(x);
sort.c: ^~

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	avx2

Compiler output

Implementation: herf
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

sort.c: sort.c:133:17: warning: passing 'int32 [n]' to parameter of type 'uint32 *' (aka 'unsigned int *') converts between pointers to integer types with different sign [-Wpointer-sign]
sort.c: RadixSort11(x,y,n);
sort.c: ^
sort.c: sort.c:47:48: note: passing argument to parameter 'sort' here
sort.c: static void RadixSort11(uint32 *array, uint32 *sort, uint32 elements)
sort.c: ^
sort.c: 1 warning generated.

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	herf
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	herf
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	herf
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	herf
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	herf

Compiler output

Implementation: krasnov
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:3:16: error: unknown token in expression
qsort_AVX2_HSW_256bit_int.s: .set pivotALU, %ecx
qsort_AVX2_HSW_256bit_int.s: ^
qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:3:16: error: missing expression
qsort_AVX2_HSW_256bit_int.s: .set pivotALU, %ecx
qsort_AVX2_HSW_256bit_int.s: ^
qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:5:10: error: unknown token in expression
qsort_AVX2_HSW_256bit_int.s: .set A0, %ymm0
qsort_AVX2_HSW_256bit_int.s: ^
qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:5:10: error: missing expression
qsort_AVX2_HSW_256bit_int.s: ...
qsort_AVX2_HSW_256bit_int.s: ^
qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:433:11: error: unexpected token in memory operand
qsort_AVX2_HSW_256bit_int.s: lea 4(temp_space), temp_space
qsort_AVX2_HSW_256bit_int.s: ^
qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:434:11: error: unexpected token in memory operand
qsort_AVX2_HSW_256bit_int.s: lea 4(bottom), bottom
qsort_AVX2_HSW_256bit_int.s: ^
qsort_AVX2_HSW_256bit_int.s: qsort_AVX2_HSW_256bit_int.s:435:5: error: ambiguous instructions require an explicit suffix (could be 'subb', 'subw', 'subl', or 'subq')
qsort_AVX2_HSW_256bit_int.s: sub $1, top
qsort_AVX2_HSW_256bit_int.s: ^

Number of similar (compiler,implementation) pairs: 5, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krasnov
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krasnov
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krasnov
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krasnov
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	krasnov

Compiler output

Implementation: oldavx2
Security model: unknown
Compiler: clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

int32_sort.c: int32_sort.c:330:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^
int32_sort.c: int32_sort.c:331:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i b = _mm256_loadu_si256((__m256i *) y);
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:3: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: _mm256_storeu_si256((__m256i *) x,_mm256_min_epi32(a,b));
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:37: error: always_inline function '_mm256_min_epi32' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: ...
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c: ********************
int32_sort.c:
int32_sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
int32_sort.c: Preprocessed source(s) and associated run script(s) are located at:
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-0311ee.c
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-0311ee.sh
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c:
int32_sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	oldavx2

Compiler output

Implementation: oldavx2
Security model: unknown
Compiler: clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

int32_sort.c: int32_sort.c:330:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^
int32_sort.c: int32_sort.c:331:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i b = _mm256_loadu_si256((__m256i *) y);
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:3: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: _mm256_storeu_si256((__m256i *) x,_mm256_min_epi32(a,b));
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:37: error: always_inline function '_mm256_min_epi32' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: ...
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c: ********************
int32_sort.c:
int32_sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
int32_sort.c: Preprocessed source(s) and associated run script(s) are located at:
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-a3a5af.c
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-a3a5af.sh
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c:
int32_sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	oldavx2

Compiler output

Implementation: oldavx2
Security model: unknown
Compiler: clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

int32_sort.c: int32_sort.c:330:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^
int32_sort.c: int32_sort.c:331:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i b = _mm256_loadu_si256((__m256i *) y);
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:3: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: _mm256_storeu_si256((__m256i *) x,_mm256_min_epi32(a,b));
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:37: error: always_inline function '_mm256_min_epi32' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: ...
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c: ********************
int32_sort.c:
int32_sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
int32_sort.c: Preprocessed source(s) and associated run script(s) are located at:
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-343bc3.c
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-343bc3.sh
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c:
int32_sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	oldavx2

Compiler output

Implementation: oldavx2
Security model: unknown
Compiler: clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

int32_sort.c: int32_sort.c:330:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^
int32_sort.c: int32_sort.c:331:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: __m256i b = _mm256_loadu_si256((__m256i *) y);
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:3: error: always_inline function '_mm256_storeu_si256' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: _mm256_storeu_si256((__m256i *) x,_mm256_min_epi32(a,b));
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:37: error: always_inline function '_mm256_min_epi32' requires target feature 'xsave', but would be inlined into function 'minmax8' that is compiled without support for 'xsave'
int32_sort.c: ...
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c: ********************
int32_sort.c:
int32_sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
int32_sort.c: Preprocessed source(s) and associated run script(s) are located at:
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-ce5c5c.c
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-ce5c5c.sh
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c:
int32_sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	oldavx2

Compiler output

Implementation: oldavx2
Security model: unknown
Compiler: clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

int32_sort.c: int32_sort.c:330:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'minmax8' that is compiled without support for 'sse4.2'
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^
int32_sort.c: int32_sort.c:331:15: error: always_inline function '_mm256_loadu_si256' requires target feature 'sse4.2', but would be inlined into function 'minmax8' that is compiled without support for 'sse4.2'
int32_sort.c: __m256i b = _mm256_loadu_si256((__m256i *) y);
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:3: error: always_inline function '_mm256_storeu_si256' requires target feature 'sse4.2', but would be inlined into function 'minmax8' that is compiled without support for 'sse4.2'
int32_sort.c: _mm256_storeu_si256((__m256i *) x,_mm256_min_epi32(a,b));
int32_sort.c: ^
int32_sort.c: int32_sort.c:332:37: error: always_inline function '_mm256_min_epi32' requires target feature 'sse4.2', but would be inlined into function 'minmax8' that is compiled without support for 'sse4.2'
int32_sort.c: ...
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c: ********************
int32_sort.c:
int32_sort.c: PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
int32_sort.c: Preprocessed source(s) and associated run script(s) are located at:
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-7fb396.c
int32_sort.c: clang: note: diagnostic msg: /tmp/int32_sort-7fb396.sh
int32_sort.c: clang: note: diagnostic msg:
int32_sort.c:
int32_sort.c: ********************

Number of similar (compiler,implementation) pairs: 1, namely:

Compiler	Implementations
clang -mcpu=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	oldavx2

Compiler output

Implementation: oldavx2
Security model: unknown
Compiler: gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

int32_sort.c: int32_sort.c: In function ‘minmax8’:
int32_sort.c: int32_sort.c:330:11: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^
int32_sort.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:41:0,
int32_sort.c: from int32_sort.c:3:
int32_sort.c: int32_sort.c: In function ‘minmax02through1315’:
int32_sort.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avxintrin.h:900:1: error: inlining failed in call to always_inline ‘_mm256_storeu_si256’: target specific option mismatch
int32_sort.c: _mm256_storeu_si256 (__m256i *__P, __m256i __A)
int32_sort.c: ^~~~~~~~~~~~~~~~~~~
int32_sort.c: ...
int32_sort.c: __m256i b = _mm256_loadu_si256((__m256i *) (x + 8));
int32_sort.c: ^
int32_sort.c: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:41:0,
int32_sort.c: from int32_sort.c:3:
int32_sort.c: /usr/lib/gcc/x86_64-linux-gnu/6/include/avxintrin.h:894:1: error: inlining failed in call to always_inline ‘_mm256_loadu_si256’: target specific option mismatch
int32_sort.c: _mm256_loadu_si256 (__m256i const *__P)
int32_sort.c: ^~~~~~~~~~~~~~~~~~
int32_sort.c: int32_sort.c:16:11: note: called from here
int32_sort.c: __m256i a = _mm256_loadu_si256((__m256i *) x);
int32_sort.c: ^

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
gcc -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	oldavx2
gcc -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	oldavx2
gcc -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	oldavx2
gcc -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	oldavx2

Compiler output

Implementation: sid1607
Security model: unknown
Compiler: clang++ -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE

merge_sort.cpp: merge_sort.cpp:30:3: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: auto t = a;
merge_sort.cpp: ^
merge_sort.cpp: merge_sort.cpp:128:3: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: auto a8_1 = register_shuffle(a8, global_masks.swap_128);
merge_sort.cpp: ^
merge_sort.cpp: merge_sort.cpp:129:3: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: auto b8_1 = register_shuffle(b8, global_masks.swap_128);
merge_sort.cpp: ^
merge_sort.cpp: merge_sort.cpp:134:3: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: ...
merge_sort.cpp: merge_sort.cpp:177:3: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: auto rb = load_reg256(&a[j]);
merge_sort.cpp: ^
merge_sort.cpp: merge_sort.cpp:248:5: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: auto mid = i + merge_size - 1;
merge_sort.cpp: ^
merge_sort.cpp: merge_sort.cpp:249:5: warning: 'auto' type specifier is a C++11 extension [-Wc++11-extensions]
merge_sort.cpp: auto end = std::min(i+2*merge_size-1, n-1);
merge_sort.cpp: ^
merge_sort.cpp: 15 warnings and 2 errors generated.

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
clang++ -march=native -O2 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sid1607
clang++ -march=native -O3 -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sid1607
clang++ -march=native -O -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sid1607
clang++ -march=native -Os -fomit-frame-pointer -fwrapv -Qunused-arguments -fPIC -fPIE	sid1607

Compiler output

Implementation: sid1607
Security model: unknown
Compiler: g++ -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE

api.cpp: In file included from api.cpp:3:0:
api.cpp: merge_sort.h: In function ‘__m256i load_reg256(int*)’:
api.cpp: merge_sort.h:17:34: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
api.cpp: inline __m256i load_reg256(int *a) {
api.cpp: ^
merge_sort.cpp: In file included from merge_sort.cpp:1:0:
merge_sort.cpp: merge_sort.h: In function ‘__m256i load_reg256(int*)’:
merge_sort.cpp: merge_sort.h:17:34: warning: AVX vector return without AVX enabled changes the ABI [-Wpsabi]
merge_sort.cpp: inline __m256i load_reg256(int *a) {
merge_sort.cpp: ^
merge_sort.cpp: In file included from /usr/lib/gcc/x86_64-linux-gnu/6/include/immintrin.h:43:0,
merge_sort.cpp: from merge_sort.h:1,
merge_sort.cpp: from merge_sort.cpp:1:
merge_sort.cpp: /usr/lib/gcc/x86_64-linux-gnu/6/include/avx2intrin.h: In function ‘__m256i reverse(__m256i&)’:
merge_sort.cpp: /usr/lib/gcc/x86_64-linux-gnu/6/include/avx2intrin.h:1041:1: error: inlining failed in call to always_inline ‘__m256i _mm256_permutevar8x32_epi32(__m256i, __m256i)’: target specific option mismatch
merge_sort.cpp: _mm256_permutevar8x32_epi32 (__m256i __X, __m256i __Y)
merge_sort.cpp: ^~~~~~~~~~~~~~~~~~~~~~~~~~~
merge_sort.cpp: merge_sort.cpp:11:37: note: called from here
merge_sort.cpp: return _mm256_permutevar8x32_epi32(v, global_masks.rev_idx_mask);
merge_sort.cpp: ~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Number of similar (compiler,implementation) pairs: 4, namely:

Compiler	Implementations
g++ -march=native -mtune=native -O2 -fomit-frame-pointer -fwrapv -fPIC -fPIE	sid1607
g++ -march=native -mtune=native -O3 -fomit-frame-pointer -fwrapv -fPIC -fPIE	sid1607
g++ -march=native -mtune=native -O -fomit-frame-pointer -fwrapv -fPIC -fPIE	sid1607
g++ -march=native -mtune=native -Os -fomit-frame-pointer -fwrapv -fPIC -fPIE	sid1607