Implementation notes: amd64, h5nano, crypto_encrypt/mceliece

Computer: h5nano
Architecture: amd64
CPU ID: CentaurHauls-000006f8-afc9fbff
SUPERCOP version: 20141014
Operation: crypto_encrypt
Primitive: mceliece

Time	Implementation	Compiler	Benchmark date	SUPERCOP version
1438055	`ref`	`gcc -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140828	20140622
1438985	`ref`	`gcc -march=barcelona -O3 -fomit-frame-pointer`	20140828	20140622
1447970	`ref`	`gcc -funroll-loops -O3 -fomit-frame-pointer`	20140828	20140622
1449120	`ref`	`gcc -funroll-loops -fno-schedule-insns -O3 -fomit-frame-pointer`	20140828	20140622
1454145	`ref`	`gcc -funroll-loops -m64 -O3 -fomit-frame-pointer`	20140828	20140622
1459055	`ref`	`gcc -funroll-loops -m64 -march=k8 -O3 -fomit-frame-pointer`	20140828	20140622
1460760	`ref`	`gcc -funroll-loops -march=k8 -O3 -fomit-frame-pointer`	20140828	20140622
1466280	`ref`	`gcc -funroll-loops -m64 -march=nocona -O3 -fomit-frame-pointer`	20140828	20140622
1466385	`ref`	`gcc -funroll-loops -march=nocona -O3 -fomit-frame-pointer`	20140828	20140622
1475365	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O3 -fomit-frame-pointer`	20140828	20140622
1475700	`ref`	`gcc -funroll-loops -march=barcelona -O3 -fomit-frame-pointer`	20140828	20140622
1496580	`ref`	`gcc -m64 -march=k8 -O3 -fomit-frame-pointer`	20140828	20140622
1498405	`ref`	`gcc -march=k8 -O3 -fomit-frame-pointer`	20140828	20140622
1499420	`ref`	`gcc -m64 -march=core2 -O3 -fomit-frame-pointer`	20140828	20140622
1501875	`ref`	`gcc -m64 -O3 -fomit-frame-pointer`	20140828	20140622
1503410	`ref`	`gcc -fno-schedule-insns -O3 -fomit-frame-pointer`	20140828	20140622
1503655	`ref`	`gcc -m64 -march=core2 -msse4.1 -O3 -fomit-frame-pointer`	20140828	20140622
1506795	`ref`	`gcc -m64 -march=corei7 -O3 -fomit-frame-pointer`	20140828	20140622
1507520	`ref`	`gcc -m64 -march=core2 -msse4 -O3 -fomit-frame-pointer`	20140828	20140622
1507650	`ref`	`gcc -m64 -march=native -mtune=native -O3 -fomit-frame-pointer`	20140828	20140622
1508455	`ref`	`gcc -O3 -fomit-frame-pointer`	20140828	20140622
1509515	`ref`	`gcc -march=nocona -O3 -fomit-frame-pointer`	20140828	20140622
1513620	`ref`	`gcc -funroll-loops -march=nocona -O2 -fomit-frame-pointer`	20140828	20140622
1515555	`ref`	`gcc -m64 -march=nocona -O3 -fomit-frame-pointer`	20140828	20140622
1515995	`ref`	`gcc -funroll-loops -m64 -march=nocona -O2 -fomit-frame-pointer`	20140828	20140622
1525880	`ref`	`gcc -funroll-loops -march=k8 -O2 -fomit-frame-pointer`	20140828	20140622
1526475	`ref`	`gcc -funroll-loops -m64 -march=k8 -O2 -fomit-frame-pointer`	20140828	20140622
1527680	`ref`	`gcc -funroll-loops -fno-schedule-insns -O2 -fomit-frame-pointer`	20140828	20140622
1528660	`ref`	`gcc -funroll-loops -march=barcelona -O2 -fomit-frame-pointer`	20140828	20140622
1529365	`ref`	`gcc -funroll-loops -O2 -fomit-frame-pointer`	20140828	20140622
1530390	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140828	20140622
1530405	`ref`	`gcc -funroll-loops -m64 -O2 -fomit-frame-pointer`	20140828	20140622
1795675	`ref`	`gcc -m64 -march=nocona -O2 -fomit-frame-pointer`	20140828	20140622
1798775	`ref`	`gcc -march=nocona -O2 -fomit-frame-pointer`	20140828	20140622
1827275	`ref`	`gcc -m64 -O2 -fomit-frame-pointer`	20140828	20140622
1829270	`ref`	`gcc -m64 -march=core2 -msse4.1 -O2 -fomit-frame-pointer`	20140828	20140622
1829895	`ref`	`gcc -m64 -march=corei7 -O2 -fomit-frame-pointer`	20140828	20140622
1830045	`ref`	`gcc -m64 -march=native -mtune=native -O2 -fomit-frame-pointer`	20140828	20140622
1837645	`ref`	`gcc -funroll-loops -march=barcelona -O -fomit-frame-pointer`	20140828	20140622
1839940	`ref`	`gcc -funroll-loops -m64 -march=barcelona -O -fomit-frame-pointer`	20140828	20140622
1841335	`ref`	`gcc -funroll-loops -O -fomit-frame-pointer`	20140828	20140622
1842800	`ref`	`gcc -funroll-loops -fno-schedule-insns -O -fomit-frame-pointer`	20140828	20140622
1843690	`ref`	`gcc -funroll-loops -m64 -O -fomit-frame-pointer`	20140828	20140622
1844995	`ref`	`gcc -m64 -march=k8 -O2 -fomit-frame-pointer`	20140828	20140622
1847910	`ref`	`gcc -m64 -march=core2 -msse4 -O2 -fomit-frame-pointer`	20140828	20140622
1848145	`ref`	`gcc -m64 -march=core2 -O2 -fomit-frame-pointer`	20140828	20140622
1849145	`ref`	`gcc -march=k8 -O2 -fomit-frame-pointer`	20140828	20140622
1849930	`ref`	`gcc -O2 -fomit-frame-pointer`	20140828	20140622
1852220	`ref`	`gcc -fno-schedule-insns -O2 -fomit-frame-pointer`	20140828	20140622
1858920	`ref`	`gcc -funroll-loops -m64 -march=k8 -O -fomit-frame-pointer`	20140828	20140622
1861390	`ref`	`gcc -funroll-loops -march=k8 -O -fomit-frame-pointer`	20140828	20140622
1881775	`ref`	`gcc -m64 -march=barcelona -O2 -fomit-frame-pointer`	20140828	20140622
1889470	`ref`	`gcc -march=barcelona -O2 -fomit-frame-pointer`	20140828	20140622
1914850	`ref`	`gcc -funroll-loops -m64 -march=nocona -O -fomit-frame-pointer`	20140828	20140622
1915685	`ref`	`gcc -funroll-loops -march=nocona -O -fomit-frame-pointer`	20140828	20140622
2016440	`ref`	`gcc -m64 -march=corei7 -Os -fomit-frame-pointer`	20140828	20140622
2016585	`ref`	`gcc -m64 -march=core2 -msse4 -Os -fomit-frame-pointer`	20140828	20140622
2016885	`ref`	`gcc -m64 -march=core2 -msse4.1 -Os -fomit-frame-pointer`	20140828	20140622
2017050	`ref`	`gcc -m64 -march=nocona -Os -fomit-frame-pointer`	20140828	20140622
2018380	`ref`	`gcc -m64 -march=barcelona -Os -fomit-frame-pointer`	20140828	20140622
2018520	`ref`	`gcc -march=k8 -Os -fomit-frame-pointer`	20140828	20140622
2019560	`ref`	`gcc -fno-schedule-insns -Os -fomit-frame-pointer`	20140828	20140622
2019755	`ref`	`gcc -Os -fomit-frame-pointer`	20140828	20140622
2024770	`ref`	`gcc -m64 -march=native -mtune=native -Os -fomit-frame-pointer`	20140828	20140622
2032970	`ref`	`gcc -funroll-loops -march=k8 -Os -fomit-frame-pointer`	20140828	20140622
2033430	`ref`	`gcc -funroll-loops -Os -fomit-frame-pointer`	20140828	20140622
2033950	`ref`	`gcc -march=barcelona -Os -fomit-frame-pointer`	20140828	20140622
2034185	`ref`	`gcc -funroll-loops -m64 -march=barcelona -Os -fomit-frame-pointer`	20140828	20140622
2034525	`ref`	`gcc -m64 -Os -fomit-frame-pointer`	20140828	20140622
2035640	`ref`	`gcc -funroll-loops -m64 -march=k8 -Os -fomit-frame-pointer`	20140828	20140622
2038995	`ref`	`gcc -m64 -march=k8 -Os -fomit-frame-pointer`	20140828	20140622
2041295	`ref`	`gcc -m64 -march=core2 -Os -fomit-frame-pointer`	20140828	20140622
2048580	`ref`	`gcc -march=nocona -Os -fomit-frame-pointer`	20140828	20140622
2053670	`ref`	`gcc -funroll-loops -march=barcelona -Os -fomit-frame-pointer`	20140828	20140622
2053765	`ref`	`gcc -funroll-loops -m64 -Os -fomit-frame-pointer`	20140828	20140622
2054370	`ref`	`gcc -funroll-loops -fno-schedule-insns -Os -fomit-frame-pointer`	20140828	20140622
2055065	`ref`	`gcc -funroll-loops -march=nocona -Os -fomit-frame-pointer`	20140828	20140622
2056940	`ref`	`gcc -funroll-loops -m64 -march=nocona -Os -fomit-frame-pointer`	20140828	20140622
2181695	`ref`	`gcc -m64 -O -fomit-frame-pointer`	20140828	20140622
2184850	`ref`	`gcc -m64 -march=native -mtune=native -O -fomit-frame-pointer`	20140828	20140622
2184925	`ref`	`gcc -m64 -march=core2 -msse4 -O -fomit-frame-pointer`	20140828	20140622
2185335	`ref`	`gcc -m64 -march=corei7 -O -fomit-frame-pointer`	20140828	20140622
2185595	`ref`	`gcc -fno-schedule-insns -O -fomit-frame-pointer`	20140828	20140622
2186915	`ref`	`gcc -m64 -march=core2 -O -fomit-frame-pointer`	20140828	20140622
2188295	`ref`	`gcc -O -fomit-frame-pointer`	20140828	20140622
2189990	`ref`	`gcc -m64 -march=core2 -msse4.1 -O -fomit-frame-pointer`	20140828	20140622
2196795	`ref`	`gcc -m64 -march=k8 -O -fomit-frame-pointer`	20140828	20140622
2198080	`ref`	`gcc -m64 -march=barcelona -O -fomit-frame-pointer`	20140828	20140622
2201690	`ref`	`gcc -march=nocona -O -fomit-frame-pointer`	20140828	20140622
2203420	`ref`	`gcc -march=k8 -O -fomit-frame-pointer`	20140828	20140622
2220950	`ref`	`gcc -m64 -march=nocona -O -fomit-frame-pointer`	20140828	20140622
2231255	`ref`	`gcc -march=barcelona -O -fomit-frame-pointer`	20140828	20140622
4368745	`ref`	`gcc -funroll-loops`	20140828	20140622
4368940	`ref`	`cc`	20140828	20140622
4370045	`ref`	`gcc`	20140828	20140622

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fomit-frame-pointer

misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/benchmarking/supercop-20140622/supercop-data/h5nano/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

Compiler	Implementations
clang -O3 -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer

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

Compiler	Implementations
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

decrypt.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
decrypt.c: clang: warning: argument unused during compilation: '-mavx2'
decrypt.c: clang: warning: argument unused during compilation: '-mpclmul'
decrypt.c: clang: warning: argument unused during compilation: '-fpolly'
decrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
encrypt.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
encrypt.c: clang: warning: argument unused during compilation: '-mavx2'
encrypt.c: clang: warning: argument unused during compilation: '-mpclmul'
encrypt.c: clang: warning: argument unused during compilation: '-fpolly'
encrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
gf.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
gf.c: clang: warning: argument unused during compilation: '-mavx2'
gf.c: clang: warning: argument unused during compilation: '-mpclmul'
gf.c: clang: warning: argument unused during compilation: '-fpolly'
gf.c: clang: warning: argument unused during compilation: '-fvectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
keypair.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
keypair.c: clang: warning: argument unused during compilation: '-mavx2'
keypair.c: clang: warning: argument unused during compilation: '-mpclmul'
keypair.c: clang: warning: argument unused during compilation: '-fpolly'
keypair.c: clang: warning: argument unused during compilation: '-fvectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
mat.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
mat.c: clang: warning: argument unused during compilation: '-mavx2'
mat.c: clang: warning: argument unused during compilation: '-mpclmul'
mat.c: clang: warning: argument unused during compilation: '-fpolly'
mat.c: clang: warning: argument unused during compilation: '-fvectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
misc.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: clang: warning: argument unused during compilation: '-mpclmul'
misc.c: clang: warning: argument unused during compilation: '-fpolly'
misc.c: clang: warning: argument unused during compilation: '-fvectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/benchmarking/supercop-20141014/supercop-data/h5nano/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
poly.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
poly.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-mpclmul'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
useshort.c: clang: warning: argument unused during compilation: '-mcpu=core-avx2'
useshort.c: clang: warning: argument unused during compilation: '-mavx2'
useshort.c: clang: warning: argument unused during compilation: '-mpclmul'
useshort.c: clang: warning: argument unused during compilation: '-fpolly'
useshort.c: clang: warning: argument unused during compilation: '-fvectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

Compiler	Implementations
clang -O3 -fwrapv -march=x86-64 -mcpu=core-avx2 -mavx2 -maes -mpclmul -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -mavx2 -fomit-frame-pointer

decrypt.c: clang: warning: argument unused during compilation: '-mavx2'
encrypt.c: clang: warning: argument unused during compilation: '-mavx2'
gf.c: clang: warning: argument unused during compilation: '-mavx2'
keypair.c: clang: warning: argument unused during compilation: '-mavx2'
mat.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/benchmarking/supercop-20140622/supercop-data/h5nano/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
poly.c: clang: warning: argument unused during compilation: '-mavx2'
useshort.c: clang: warning: argument unused during compilation: '-mavx2'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

Compiler	Implementations
clang -O3 -fwrapv -mavx2 -fomit-frame-pointer	ref

Compiler output

Implementation: crypto_encrypt/mceliece/ref
Compiler: clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer

decrypt.c: clang: warning: argument unused during compilation: '-mavx2'
decrypt.c: clang: warning: argument unused during compilation: '-fpolly'
decrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
decrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
encrypt.c: clang: warning: argument unused during compilation: '-mavx2'
encrypt.c: clang: warning: argument unused during compilation: '-fpolly'
encrypt.c: clang: warning: argument unused during compilation: '-fvectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
encrypt.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
gf.c: clang: warning: argument unused during compilation: '-mavx2'
gf.c: clang: warning: argument unused during compilation: '-fpolly'
gf.c: clang: warning: argument unused during compilation: '-fvectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
gf.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
keypair.c: clang: warning: argument unused during compilation: '-mavx2'
keypair.c: clang: warning: argument unused during compilation: '-fpolly'
keypair.c: clang: warning: argument unused during compilation: '-fvectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
keypair.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
mat.c: clang: warning: argument unused during compilation: '-mavx2'
mat.c: clang: warning: argument unused during compilation: '-fpolly'
mat.c: clang: warning: argument unused during compilation: '-fvectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
mat.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: clang: warning: argument unused during compilation: '-mavx2'
misc.c: clang: warning: argument unused during compilation: '-fpolly'
misc.c: clang: warning: argument unused during compilation: '-fvectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
misc.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
misc.c: misc.c:6:44: warning: passing 'char *' to parameter of type 'unsigned char *' converts between pointers to integer types with different sign [-Wpointer-sign]
misc.c: __inline int u8rnd() { char c; randombytes(&c,1); return 255 & (int) c; }
misc.c: ^~
misc.c: /home/djb/benchmarking/supercop-20140622/supercop-data/h5nano/amd64/include/randombytes.h:4:40: note: passing argument to parameter here
misc.c: extern void randombytes(unsigned char *,unsigned long long);
misc.c: ^
misc.c: 1 warning generated.
poly.c: clang: warning: argument unused during compilation: '-mavx2'
poly.c: clang: warning: argument unused during compilation: '-fpolly'
poly.c: clang: warning: argument unused during compilation: '-fvectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
poly.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
useshort.c: clang: warning: argument unused during compilation: '-mavx2'
useshort.c: clang: warning: argument unused during compilation: '-fpolly'
useshort.c: clang: warning: argument unused during compilation: '-fvectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize'
useshort.c: clang: warning: argument unused during compilation: '-fslp-vectorize-aggressive'
try.c: try-anything.c:110:19: warning: if statement has empty body [-Wempty-body]
try.c: ;
try.c: ^
try.c: 1 warning generated.
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `gop_supr':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o): In function `crypto_encrypt_mceliece_ref_keypair':
try.c: keypair.c:(.text+0x...): undefined reference to `u8rnd'
try.c: crypto_encrypt_mceliece.a(keypair.o):keypair.c:(.text+0x...): more undefined references to `u8rnd' follow
try.c: clang: error: linker command failed with exit code 1 (use -v to see invocation)

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

Compiler	Implementations
clang -O3 -fwrapv -mavx2 -fpolly -funroll-loops -fvectorize -fslp-vectorize -fslp-vectorize-aggressive -fomit-frame-pointer	ref