Implementation notes: amd64, wolfdale, crypto_encrypt/mcnie3q1281

Computer: wolfdale
Microarchitecture: amd64; Core 2 45nm (1067a)
Architecture: amd64
CPU ID: GenuineIntel-0001067a-bfebfbff
SUPERCOP version: 20240625
Operation: crypto_encrypt
Primitive: mcnie3q1281

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
14851388	49511 6 52	68703 820 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
14939300	66518 6 52	86385 860 1784	`T:ref`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
15004301	31268 6 52	48257 844 1784	`T:ref`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
15007311	65867 6 52	85993 860 1784	`T:ref`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
15047275	60010 6 52	79297 860 1784	`T:ref`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
15271096	33837 6 52	51505 844 1784	`T:ref`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
15366563	36745 6 52	54999 820 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
21030320	35164 6 52	52975 820 1848	`T:ref`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625
34574963	29130 6 52	45935 812 1816	`T:ref`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240625

Compiler output

bin_vec.c: bin_vec.c:201:8: warning: unused variable 'last' [-Wunused-variable]
bin_vec.c:         short last = x->size - ((n-1)<<5);
bin_vec.c:               ^
bin_vec.c: 1 warning generated.
conv.c: conv.c:142:4: warning: misleading indentation; statement is not part of the previous 'for' [-Wmisleading-indentation]
conv.c:           for( i=0 ; i<nr ; i++ )
conv.c:           ^
conv.c: conv.c:127:2: note: previous statement is here
conv.c:         for( i=0 ; i<nr ; i++ )
conv.c:         ^
conv.c: 1 warning generated.

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

Implementation	Compiler
`T:ref`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:ref`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`

Compiler output

bin_vec.c: bin_vec.c: In function 'Shift':
bin_vec.c: bin_vec.c:201:8: warning: unused variable 'last' [-Wunused-variable]
bin_vec.c:   201 |  short last = x->size - ((n-1)<<5);
bin_vec.c:       |        ^~~~
conv.c: conv.c: In function 'conv':
conv.c: conv.c:127:2: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
conv.c:   127 |  for( i=0 ; i<nr ; i++ )
conv.c:       |  ^~~
conv.c: conv.c:142:4: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
conv.c:   142 |    for( i=0 ; i<nr ; i++ )
conv.c:       |    ^~~
crypt.c: crypt.c: In function 'encrypt_one_block':
crypt.c: crypt.c:312:8: warning: variable 'blk2' set but not used [-Wunused-but-set-variable]
crypt.c:   312 |  short blk2,blk3;
crypt.c:       |        ^~~~
crypt.c: crypt.c: In function 'encrypt_one_block_given_error':
crypt.c: crypt.c:421:8: warning: variable 'blk2' set but not used [-Wunused-but-set-variable]
crypt.c:   421 |  short blk2,blk3;
crypt.c:       |        ^~~~
crypt.c: crypt.c: In function 'decrypt_one_block':
crypt.c: crypt.c:515:13: warning: variable 'blk3' set but not used [-Wunused-but-set-variable]
crypt.c:   515 |  short blk2,blk3;
crypt.c:       |             ^~~~
crypt.c: crypt.c:515:8: warning: variable 'blk2' set but not used [-Wunused-but-set-variable]
crypt.c:   515 |  short blk2,blk3;
crypt.c:       |        ^~~~
crypt.c: crypt.c: In function 'decrypt_one_block_return_error':
crypt.c: crypt.c:653:13: warning: variable 'blk3' set but not used [-Wunused-but-set-variable]
crypt.c:   653 |  short blk2,blk3;
crypt.c:       |             ^~~~
crypt.c: crypt.c:653:8: warning: variable 'blk2' set but not used [-Wunused-but-set-variable]
crypt.c:   653 |  short blk2,blk3;
crypt.c:       |        ^~~~
crypt.c: crypt.c: In function 'crypto_encrypt_mcnie3q1281_ref_timingleaks':
crypt.c: crypt.c:922:31: warning: variable 'res_bytes' set but not used [-Wunused-but-set-variable]
crypt.c:   922 |  unsigned long long num_block,res_bytes,real_mlen;
crypt.c: ...

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

Implementation	Compiler
`T:ref`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:ref`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`