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lavu/float_dsp: unroll RISC-V V loops 

butterflies_float_c: 1057.0
butterflies_float_rvv_f32: 351.0 (before)
butterflies_float_rvv_f32: 329.5 (after)

vector_dmac_scalar_c: 819.0
vector_dmac_scalar_rvv_f64: 670.5 (before)
vector_dmac_scalar_rvv_f64: 431.0 (after)

vector_dmul_c: 800.2
vector_dmul_rvv_f64: 541.5 (before)
vector_dmul_rvv_f64: 426.0 (after)

vector_dmul_scalar_c: 545.7
vector_dmul_scalar_rvv_f64: 670.7 (before)
vector_dmul_scalar_rvv_f64: 324.7 (after)

vector_fmac_scalar_c: 804.5
vector_fmac_scalar_rvv_f32: 412.7 (before)
vector_fmac_scalar_rvv_f32: 214.5 (after)

vector_fmul_c: 811.2
vector_fmul_rvv_f32: 285.7 (before)
vector_fmul_rvv_f32: 214.2 (after)

vector_fmul_add_c: 1313.0
vector_fmul_add_rvv_f32: 349.0 (before)
vector_fmul_add_rvv_f32: 290.2 (after)

vector_fmul_reverse_c: 815.7
vector_fmul_reverse_rvv_f32: 529.2 (before)
vector_fmul_reverse_rvv_f32: 515.7 (after)

vector_fmul_scalar_c: 546.0
vector_fmul_scalar_rvv_f32: 350.2 (before)
vector_fmul_scalar_rvv_f32: 169.5 (after)
This commit is contained in:
Rémi Denis-Courmont 2023-07-17 19:33:09 +03:00
parent effadce6c7
commit b710f881ce
1 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

20
libavutil/riscv/float_dsp_rvv.S
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@ -23,7 +23,7 @@
// (a0) = (a1) * (a2) [0..a3-1]
func ff_vector_fmul_rvv, zve32f
1:
vsetvli t0, a3, e32, m1, ta, ma
vsetvli t0, a3, e32, m8, ta, ma
vle32.v v16, (a1)
sub a3, a3, t0
vle32.v v24, (a2)
@ -42,7 +42,7 @@ func ff_vector_fmac_scalar_rvv, zve32f
NOHWF fmv.w.x fa0, a2
NOHWF mv a2, a3
1:
vsetvli t0, a2, e32, m1, ta, ma
vsetvli t0, a2, e32, m8, ta, ma
slli t1, t0, 2
vle32.v v24, (a1)
sub a2, a2, t0
@ -61,7 +61,7 @@ func ff_vector_fmul_scalar_rvv, zve32f
NOHWF fmv.w.x fa0, a2
NOHWF mv a2, a3
1:
vsetvli t0, a2, e32, m1, ta, ma
vsetvli t0, a2, e32, m8, ta, ma
vle32.v v16, (a1)
sub a2, a2, t0
vfmul.vf v16, v16, fa0
@ -82,7 +82,7 @@ func ff_vector_fmul_window_rvv, zve32f
sh2add t3, t1, a3
li t1, -4 // byte stride
1:
vsetvli t2, a4, e32, m1, ta, ma
vsetvli t2, a4, e32, m4, ta, ma
vle32.v v16, (a1)
slli t4, t2, 2
vlse32.v v20, (a2), t1
@ -109,7 +109,7 @@ endfunc
// (a0) = (a1) * (a2) + (a3) [0..a4-1]
func ff_vector_fmul_add_rvv, zve32f
1:
vsetvli t0, a4, e32, m1, ta, ma
vsetvli t0, a4, e32, m8, ta, ma
vle32.v v8, (a1)
sub a4, a4, t0
vle32.v v16, (a2)
@ -131,7 +131,7 @@ func ff_vector_fmul_reverse_rvv, zve32f
li t2, -4 // byte stride
addi a2, a2, -4
1:
vsetvli t0, a3, e32, m1, ta, ma
vsetvli t0, a3, e32, m8, ta, ma
slli t1, t0, 2
vle32.v v16, (a1)
sub a3, a3, t0
@ -149,7 +149,7 @@ endfunc
// (a0) = (a0) + (a1), (a1) = (a0) - (a1) [0..a2-1]
func ff_butterflies_float_rvv, zve32f
1:
vsetvli t0, a2, e32, m1, ta, ma
vsetvli t0, a2, e32, m8, ta, ma
vle32.v v16, (a0)
sub a2, a2, t0
vle32.v v24, (a1)
@ -187,7 +187,7 @@ endfunc
// (a0) = (a1) * (a2) [0..a3-1]
func ff_vector_dmul_rvv, zve64d
1:
vsetvli t0, a3, e64, m1, ta, ma
vsetvli t0, a3, e64, m8, ta, ma
vle64.v v16, (a1)
sub a3, a3, t0
vle64.v v24, (a2)
@ -206,7 +206,7 @@ func ff_vector_dmac_scalar_rvv, zve64d
NOHWD fmv.d.x fa0, a2
NOHWD mv a2, a3
1:
vsetvli t0, a2, e64, m1, ta, ma
vsetvli t0, a2, e64, m8, ta, ma
vle64.v v24, (a1)
sub a2, a2, t0
vle64.v v16, (a0)
@ -224,7 +224,7 @@ func ff_vector_dmul_scalar_rvv, zve64d
NOHWD fmv.d.x fa0, a2
NOHWD mv a2, a3
1:
vsetvli t0, a2, e64, m1, ta, ma
vsetvli t0, a2, e64, m8, ta, ma
vle64.v v16, (a1)
sub a2, a2, t0
vfmul.vf v16, v16, fa0