Implementation notes: amd64, hertz, crypto_sign/falcon512tree

Computer: hertz
Microarchitecture: amd64; Zen 4 (a60f12)
Architecture: amd64
CPU ID: AuthenticAMD-00a60f12-178bfbff
SUPERCOP version: 20240808
Operation: crypto_sign
Primitive: falcon512tree
TimeObject sizeTest sizeImplementationCompilerBenchmark dateSUPERCOP version
416265361536 0 0395355 860 1832T:avx2clang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
424103425580 0 0459491 860 1832T:avx2clang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
437357210327 0 0240502 828 1896T:avx2gcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
47995886476 0 0114662 828 1832T:avx2gcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
48080983508 0 0111973 852 1832T:avx2clang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
50589172077 0 098845 820 1800T:avx2gcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
600948440261 0 0474659 860 1832T:fpuclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
608200379513 0 0413787 860 1832T:fpuclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
620578222510 0 0252742 828 1896T:fpugcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
80265487986 0 0116270 828 1832T:fpugcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
80530670306 0 097117 820 1800T:fpugcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
90500981109 0 0109565 844 1832T:fpuclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
582280990778 0 0119365 844 1832T:refclang_-march=native_-Os_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
6072922357806 0 0392187 852 1832T:refclang_-march=native_-O2_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
6076853412069 0 0446555 852 1832T:refclang_-march=native_-O3_-fwrapv_-Qunused-arguments_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
6671891207046 0 0237382 828 1896T:refgcc_-march=native_-mtune=native_-O3_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
675009293464 0 0121798 828 1832T:refgcc_-march=native_-mtune=native_-O2_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808
676601377154 0 0104094 820 1800T:refgcc_-march=native_-mtune=native_-Os_-fwrapv_-fPIC_-fPIE_-gdwarf-4_-Wall2024080920240808

Compiler output


api.c: api.c:110:9: warning: unused variable 'f' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                ^
api.c: api.c:110:17: warning: unused variable 'g' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                        ^
api.c: api.c:110:25: warning: unused variable 'F' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                ^
api.c: api.c:110:33: warning: unused variable 'G' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                        ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 6, namely:
ImplementationCompiler
T:avx2clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:avx2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:avx2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:fpuclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:fpuclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:fpuclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))

Compiler output


api.c: api.c: In function 'crypto_sign_falcon512tree_avx2_timingleaks':
api.c: api.c:110:40: warning: unused variable 'G' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                        ^
api.c: api.c:110:32: warning: unused variable 'F' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                ^
api.c: api.c:110:24: warning: unused variable 'g' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                        ^
api.c: api.c:110:16: warning: unused variable 'f' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                ^

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:avx2gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:avx2gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:avx2gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)

Compiler output


api.c: api.c: In function 'crypto_sign_falcon512tree_fpu_timingleaks':
api.c: api.c:110:40: warning: unused variable 'G' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                        ^
api.c: api.c:110:32: warning: unused variable 'F' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                ^
api.c: api.c:110:24: warning: unused variable 'g' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                        ^
api.c: api.c:110:16: warning: unused variable 'f' [-Wunused-variable]
api.c:   110 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                ^

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:fpugcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:fpugcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:fpugcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)

Compiler output


api.c: api.c:107:9: warning: unused variable 'f' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                ^
api.c: api.c:107:17: warning: unused variable 'g' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                        ^
api.c: api.c:107:25: warning: unused variable 'F' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                ^
api.c: api.c:107:33: warning: unused variable 'G' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                        ^
api.c: 4 warnings generated.

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))

Compiler output


api.c: api.c: In function 'crypto_sign_falcon512tree_ref_timingleaks':
api.c: api.c:107:40: warning: unused variable 'G' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                        ^
api.c: api.c:107:32: warning: unused variable 'F' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                                ^
api.c: api.c:107:24: warning: unused variable 'g' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                        ^
api.c: api.c:107:16: warning: unused variable 'f' [-Wunused-variable]
api.c:   107 |         int8_t f[512], g[512], F[512], G[512];
api.c:       |                ^

Number of similar (implementation,compiler) pairs: 3, namely:
ImplementationCompiler
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)

Namespace violations


codec.o falcon512tree_avx2_comp_decode T
codec.o falcon512tree_avx2_comp_encode T
codec.o falcon512tree_avx2_max_FG_bits R
codec.o falcon512tree_avx2_max_fg_bits R
codec.o falcon512tree_avx2_max_sig_bits R
codec.o falcon512tree_avx2_modq_decode T
codec.o falcon512tree_avx2_modq_encode T
codec.o falcon512tree_avx2_trim_i16_decode T
codec.o falcon512tree_avx2_trim_i16_encode T
codec.o falcon512tree_avx2_trim_i8_decode T
codec.o falcon512tree_avx2_trim_i8_encode T
common.o falcon512tree_avx2_hash_to_point_ct T
common.o falcon512tree_avx2_hash_to_point_vartime T
common.o falcon512tree_avx2_is_short T
common.o falcon512tree_avx2_is_short_half T
fft.o falcon512tree_avx2_FFT T
fft.o falcon512tree_avx2_iFFT T
fft.o falcon512tree_avx2_poly_LDL_fft T
fft.o falcon512tree_avx2_poly_LDLmv_fft T
fft.o falcon512tree_avx2_poly_add T
fft.o falcon512tree_avx2_poly_add_muladj_fft T
fft.o falcon512tree_avx2_poly_adj_fft T
fft.o falcon512tree_avx2_poly_div_autoadj_fft T
fft.o falcon512tree_avx2_poly_div_fft T
fft.o falcon512tree_avx2_poly_invnorm2_fft T
fft.o falcon512tree_avx2_poly_merge_fft T
fft.o falcon512tree_avx2_poly_mul_autoadj_fft T
fft.o falcon512tree_avx2_poly_mul_fft T
fft.o falcon512tree_avx2_poly_muladj_fft T
fft.o falcon512tree_avx2_poly_mulconst T
fft.o falcon512tree_avx2_poly_mulselfadj_fft T
fft.o falcon512tree_avx2_poly_neg T
fft.o falcon512tree_avx2_poly_split_fft T
fft.o falcon512tree_avx2_poly_sub T
fpr.o falcon512tree_avx2_fpr_gm_tab R
fpr.o falcon512tree_avx2_fpr_p2_tab R
keygen.o falcon512tree_avx2_keygen T
rng.o falcon512tree_avx2_get_seed T
rng.o falcon512tree_avx2_prng_get_bytes T
rng.o falcon512tree_avx2_prng_init T
rng.o falcon512tree_avx2_prng_refill T
shake.o falcon512tree_avx2_i_shake256_extract T
shake.o falcon512tree_avx2_i_shake256_flip T
shake.o falcon512tree_avx2_i_shake256_init T
shake.o falcon512tree_avx2_i_shake256_inject T
sign.o falcon512tree_avx2_expand_privkey T
sign.o falcon512tree_avx2_gaussian0_sampler T
sign.o falcon512tree_avx2_sampler T
sign.o falcon512tree_avx2_sign_dyn T
sign.o falcon512tree_avx2_sign_tree T
vrfy.o falcon512tree_avx2_complete_private T
vrfy.o falcon512tree_avx2_compute_public T
vrfy.o falcon512tree_avx2_count_nttzero T
vrfy.o falcon512tree_avx2_is_invertible T
vrfy.o falcon512tree_avx2_to_ntt_monty T
vrfy.o falcon512tree_avx2_verify_raw T
vrfy.o falcon512tree_avx2_verify_recover T

Number of similar (implementation,compiler) pairs: 6, namely:
ImplementationCompiler
T:avx2clang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:avx2clang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:avx2clang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:avx2gcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:avx2gcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:avx2gcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)

Namespace violations


codec.o falcon512tree_fpu_comp_decode T
codec.o falcon512tree_fpu_comp_encode T
codec.o falcon512tree_fpu_max_FG_bits R
codec.o falcon512tree_fpu_max_fg_bits R
codec.o falcon512tree_fpu_max_sig_bits R
codec.o falcon512tree_fpu_modq_decode T
codec.o falcon512tree_fpu_modq_encode T
codec.o falcon512tree_fpu_trim_i16_decode T
codec.o falcon512tree_fpu_trim_i16_encode T
codec.o falcon512tree_fpu_trim_i8_decode T
codec.o falcon512tree_fpu_trim_i8_encode T
common.o falcon512tree_fpu_hash_to_point_ct T
common.o falcon512tree_fpu_hash_to_point_vartime T
common.o falcon512tree_fpu_is_short T
common.o falcon512tree_fpu_is_short_half T
fft.o falcon512tree_fpu_FFT T
fft.o falcon512tree_fpu_iFFT T
fft.o falcon512tree_fpu_poly_LDL_fft T
fft.o falcon512tree_fpu_poly_LDLmv_fft T
fft.o falcon512tree_fpu_poly_add T
fft.o falcon512tree_fpu_poly_add_muladj_fft T
fft.o falcon512tree_fpu_poly_adj_fft T
fft.o falcon512tree_fpu_poly_div_autoadj_fft T
fft.o falcon512tree_fpu_poly_div_fft T
fft.o falcon512tree_fpu_poly_invnorm2_fft T
fft.o falcon512tree_fpu_poly_merge_fft T
fft.o falcon512tree_fpu_poly_mul_autoadj_fft T
fft.o falcon512tree_fpu_poly_mul_fft T
fft.o falcon512tree_fpu_poly_muladj_fft T
fft.o falcon512tree_fpu_poly_mulconst T
fft.o falcon512tree_fpu_poly_mulselfadj_fft T
fft.o falcon512tree_fpu_poly_neg T
fft.o falcon512tree_fpu_poly_split_fft T
fft.o falcon512tree_fpu_poly_sub T
fpr.o falcon512tree_fpu_fpr_gm_tab R
fpr.o falcon512tree_fpu_fpr_p2_tab R
keygen.o falcon512tree_fpu_keygen T
rng.o falcon512tree_fpu_get_seed T
rng.o falcon512tree_fpu_prng_get_bytes T
rng.o falcon512tree_fpu_prng_init T
rng.o falcon512tree_fpu_prng_refill T
shake.o falcon512tree_fpu_i_shake256_extract T
shake.o falcon512tree_fpu_i_shake256_flip T
shake.o falcon512tree_fpu_i_shake256_init T
shake.o falcon512tree_fpu_i_shake256_inject T
sign.o falcon512tree_fpu_expand_privkey T
sign.o falcon512tree_fpu_gaussian0_sampler T
sign.o falcon512tree_fpu_sampler T
sign.o falcon512tree_fpu_sign_dyn T
sign.o falcon512tree_fpu_sign_tree T
vrfy.o falcon512tree_fpu_complete_private T
vrfy.o falcon512tree_fpu_compute_public T
vrfy.o falcon512tree_fpu_count_nttzero T
vrfy.o falcon512tree_fpu_is_invertible T
vrfy.o falcon512tree_fpu_to_ntt_monty T
vrfy.o falcon512tree_fpu_verify_raw T
vrfy.o falcon512tree_fpu_verify_recover T

Number of similar (implementation,compiler) pairs: 6, namely:
ImplementationCompiler
T:fpuclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:fpuclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:fpuclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:fpugcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:fpugcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:fpugcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)

Namespace violations


codec.o falcon512tree_ref_comp_decode T
codec.o falcon512tree_ref_comp_encode T
codec.o falcon512tree_ref_max_FG_bits R
codec.o falcon512tree_ref_max_fg_bits R
codec.o falcon512tree_ref_max_sig_bits R
codec.o falcon512tree_ref_modq_decode T
codec.o falcon512tree_ref_modq_encode T
codec.o falcon512tree_ref_trim_i16_decode T
codec.o falcon512tree_ref_trim_i16_encode T
codec.o falcon512tree_ref_trim_i8_decode T
codec.o falcon512tree_ref_trim_i8_encode T
common.o falcon512tree_ref_hash_to_point_ct T
common.o falcon512tree_ref_hash_to_point_vartime T
common.o falcon512tree_ref_is_short T
common.o falcon512tree_ref_is_short_half T
fft.o falcon512tree_ref_FFT T
fft.o falcon512tree_ref_iFFT T
fft.o falcon512tree_ref_poly_LDL_fft T
fft.o falcon512tree_ref_poly_LDLmv_fft T
fft.o falcon512tree_ref_poly_add T
fft.o falcon512tree_ref_poly_add_muladj_fft T
fft.o falcon512tree_ref_poly_adj_fft T
fft.o falcon512tree_ref_poly_div_autoadj_fft T
fft.o falcon512tree_ref_poly_div_fft T
fft.o falcon512tree_ref_poly_invnorm2_fft T
fft.o falcon512tree_ref_poly_merge_fft T
fft.o falcon512tree_ref_poly_mul_autoadj_fft T
fft.o falcon512tree_ref_poly_mul_fft T
fft.o falcon512tree_ref_poly_muladj_fft T
fft.o falcon512tree_ref_poly_mulconst T
fft.o falcon512tree_ref_poly_mulselfadj_fft T
fft.o falcon512tree_ref_poly_neg T
fft.o falcon512tree_ref_poly_split_fft T
fft.o falcon512tree_ref_poly_sub T
fpr.o falcon512tree_ref_fpr_add T
fpr.o falcon512tree_ref_fpr_div T
fpr.o falcon512tree_ref_fpr_expm_p63 T
fpr.o falcon512tree_ref_fpr_gm_tab R
fpr.o falcon512tree_ref_fpr_mul T
fpr.o falcon512tree_ref_fpr_p2_tab R
fpr.o falcon512tree_ref_fpr_scaled T
fpr.o falcon512tree_ref_fpr_sqrt T
keygen.o falcon512tree_ref_keygen T
rng.o falcon512tree_ref_get_seed T
rng.o falcon512tree_ref_prng_get_bytes T
rng.o falcon512tree_ref_prng_init T
rng.o falcon512tree_ref_prng_refill T
shake.o falcon512tree_ref_i_shake256_extract T
shake.o falcon512tree_ref_i_shake256_flip T
shake.o falcon512tree_ref_i_shake256_init T
shake.o falcon512tree_ref_i_shake256_inject T
sign.o falcon512tree_ref_expand_privkey T
sign.o falcon512tree_ref_gaussian0_sampler T
sign.o falcon512tree_ref_sampler T
sign.o falcon512tree_ref_sign_dyn T
sign.o falcon512tree_ref_sign_tree T
vrfy.o falcon512tree_ref_complete_private T
vrfy.o falcon512tree_ref_compute_public T
vrfy.o falcon512tree_ref_count_nttzero T
vrfy.o falcon512tree_ref_is_invertible T
vrfy.o falcon512tree_ref_to_ntt_monty T
vrfy.o falcon512tree_ref_verify_raw T
vrfy.o falcon512tree_ref_verify_recover T

Number of similar (implementation,compiler) pairs: 6, namely:
ImplementationCompiler
T:refclang -march=native -O2 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:refclang -march=native -O3 -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:refclang -march=native -Os -fwrapv -Qunused-arguments -fPIC -fPIE -gdwarf-4 -Wall (Ubuntu_Clang_18.1.3_(1ubuntu1))
T:refgcc -march=native -mtune=native -O2 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:refgcc -march=native -mtune=native -O3 -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)
T:refgcc -march=native -mtune=native -Os -fwrapv -fPIC -fPIE -gdwarf-4 -Wall (13.2.0)