Implementation notes: amd64, cezanne, crypto_stream/tpy

Computer: cezanne
Microarchitecture: amd64; Zen 3 (a50f00)
Architecture: amd64
CPU ID: AuthenticAMD-00a50f00-178bfbff
SUPERCOP version: 20240716
Operation: crypto_stream
Primitive: tpy

Time	Object size	Test size	Implementation	Compiler	Benchmark date	SUPERCOP version
8979	3496 218 34340	15331 984 35352	`T:e/tpy`	`gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9011	6060 0 34337	21456 812 35320	`T:e/tpy`	`clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9022	6060 0 34337	21552 812 35320	`T:e/tpy`	`clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9261	4505 0 34337	17278 804 35288	`T:e/tpy`	`clang_-march=native_-O_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9319	6193 0 34337	21320 812 35288	`T:e/tpy`	`clang_-mcpu=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9509	4757 218 34340	20016 1008 35384	`T:e/tpy`	`gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9567	4424 0 34337	16950 804 35288	`T:e/tpy`	`clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
9877	4032 218 34340	17039 1000 35384	`T:e/tpy`	`gcc_-march=native_-mtune=native_-O_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716
10068	4305 218 34340	17792 1008 35384	`T:e/tpy`	`gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall`	20240716	20240716

Compiler output

tpy.c: In file included from tpy.c:1:
tpy.c: ./e/tpy.c:93:7: warning: unused variable 'keysizeb' [-Wunused-variable]
tpy.c:   int keysizeb=(keysize+7)>>3;
tpy.c:       ^
tpy.c: ./e/tpy.c:215:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   int bl;
tpy.c:       ^
tpy.c: ./e/tpy.c:355:7: warning: unused variable 'output1b' [-Wunused-variable]
tpy.c:           u8 output1b[4];
tpy.c:              ^
tpy.c: ./e/tpy.c:310:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   int bl;
tpy.c:       ^
tpy.c: 4 warnings generated.

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

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

Compiler output

tpy.c: In file included from tpy.c:1:
tpy.c: e/tpy.c: In function 'crypto_stream_tpy_e_tpy_timingleaks_ECRYPT_ivsetup':
tpy.c: e/tpy.c:93:7: warning: unused variable 'keysizeb' [-Wunused-variable]
tpy.c:    93 |   int keysizeb=(keysize+7)>>3;
tpy.c:       |       ^~~~~~~~
tpy.c: e/tpy.c: In function 'crypto_stream_tpy_e_tpy_timingleaks_ECRYPT_process_bytes':
tpy.c: e/tpy.c:215:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   215 |   int bl;
tpy.c:       |       ^~
tpy.c: e/tpy.c: In function 'crypto_stream_tpy_e_tpy_timingleaks_ECRYPT_keystream_bytes':
tpy.c: e/tpy.c:355:7: warning: unused variable 'output1b' [-Wunused-variable]
tpy.c:   355 |    u8 output1b[4];
tpy.c:       |       ^~~~~~~~
tpy.c: e/tpy.c:310:7: warning: unused variable 'bl' [-Wunused-variable]
tpy.c:   310 |   int bl;
tpy.c:       |       ^~

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

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

Namespace violations

tpy.o internal_permutation B

Number of similar (implementation,compiler) pairs: 9, namely:

Implementation	Compiler
`T:e/tpy`	`clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -march=native -O -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`clang -mcpu=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Debian_Clang_11.0.1)`
`T:e/tpy`	`gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:e/tpy`	`gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:e/tpy`	`gcc -march=native -mtune=native -O -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`
`T:e/tpy`	`gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (10.2.1_20210110)`