mirrors/pipewire
1
0
Fork 0
mirror of https://gitlab.freedesktop.org/pipewire/pipewire.git synced 2025-10-29 05:40:27 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

fmt-ops: add RVV optimizations for s32_to_f32d

Browse source
This commit is contained in:
sunyuechi 2024-09-29 11:17:18 +08:00 • committed by hleft
parent 0e5d8fdc3b
commit 245adda985
5 changed files with 64 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

5
spa/plugins/audioconvert/benchmark-fmt-ops.c
View file

@ -205,6 +205,11 @@ static void test_s32_f32(void)
if (cpu_flags & SPA_CPU_FLAG_AVX2) {
run_test("test_s32_f32d", "avx2", true, false, conv_s32_to_f32d_avx2);
}
#endif
#if defined (HAVE_RVV)
if (cpu_flags & SPA_CPU_FLAG_RISCV_V) {
run_test("test_s32_f32d", "rvv", true, false, conv_s32_to_f32d_rvv);
}
#endif
run_test("test_s32_f32d", "c", true, false, conv_s32_to_f32d_c);
run_test("test_s32d_f32d", "c", false, false, conv_s32d_to_f32d_c);

49
spa/plugins/audioconvert/fmt-ops-rvv.c
View file

@ -158,6 +158,55 @@ conv_s16_to_f32d_rvv(struct convert *conv, void * SPA_RESTRICT dst[], const void
s16_to_f32d(conv, &dst[i], &s[i], n_channels, n_samples);
}
static void
s32_to_f32d(void *data, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src,
uint32_t n_channels, uint32_t n_samples)
{
float *d = dst[0];
uint32_t stride = n_channels << 2;
asm __volatile__ (
".option arch, +v \n\t"
"li t0, 805306368 \n\t"
"fmv.w.x fa5, t0 \n\t"
"1: \n\t"
"vsetvli t0, %[n_samples], e32, m8, ta, ma \n\t"
"vlse32.v v8, (%[src]), %[stride] \n\t"
"sub %[n_samples], %[n_samples], t0 \n\t"
"vfcvt.f.x.v v8, v8 \n\t"
"mul t4, t0, %[stride] \n\t"
"vfmul.vf v8, v8, fa5 \n\t"
"slli t3, t0, 2 \n\t"
"vse32.v v8, (%[d]) \n\t"
"add %[src], %[src], t4 \n\t"
"add %[d], %[d], t3 \n\t"
"bnez %[n_samples], 1b \n\t"
: [n_samples] "+r" (n_samples),
[src] "+r" (src),
[d] "+r" (d)
: [stride] "r" (stride)
: "cc", "memory"
);
}
void
conv_s32_to_f32d_rvv(struct convert *conv, void * SPA_RESTRICT dst[], const void * SPA_RESTRICT src[],
uint32_t n_samples)
{
if (n_samples <= 4) {
conv_s32_to_f32d_c(conv, dst, src, n_samples);
return;
}
const int32_t *s = src[0];
uint32_t i = 0, n_channels = conv->n_channels;
for(i = 0; i < n_channels; i++)
s32_to_f32d(conv, &dst[i], &s[i], n_channels, n_samples);
return;
}
static void
f32d_to_s32(void *data, void * SPA_RESTRICT dst, const void * SPA_RESTRICT src[],
uint32_t n_channels, uint32_t n_samples)

3
spa/plugins/audioconvert/fmt-ops.c
View file

@ -105,6 +105,9 @@ static struct conv_info conv_table[] =
#endif
#if defined (HAVE_SSE2)
MAKE(S32, F32P, 0, conv_s32_to_f32d_sse2, SPA_CPU_FLAG_SSE2),
#endif
#if defined (HAVE_RVV)
MAKE(S32, F32P, 0, conv_s32_to_f32d_rvv, SPA_CPU_FLAG_RISCV_V),
#endif
MAKE(S32, F32, 0, conv_s32_to_f32_c),
MAKE(S32P, F32P, 0, conv_s32d_to_f32d_c),

1
spa/plugins/audioconvert/fmt-ops.h
View file

@ -446,6 +446,7 @@ DEFINE_FUNCTION(f32_to_s16, rvv);
DEFINE_FUNCTION(f32d_to_s16d, rvv);
DEFINE_FUNCTION(f32d_to_s16, rvv);
DEFINE_FUNCTION(s16_to_f32d, rvv);
DEFINE_FUNCTION(s32_to_f32d, rvv);
#endif
#if defined(HAVE_SSE2)
DEFINE_FUNCTION(s16_to_f32d_2, sse2);

6
spa/plugins/audioconvert/test-fmt-ops.c
View file

@ -385,6 +385,12 @@ static void test_s32_f32(void)
true, false, conv_s32_to_f32d_avx2);
}
#endif
#if defined(HAVE_RVV)
if (cpu_flags & SPA_CPU_FLAG_RISCV_V) {
run_test("test_s32_f32d_rvv", in, sizeof(in[0]), out, sizeof(out[0]), SPA_N_ELEMENTS(out),
true, false, conv_s32_to_f32d_rvv);
}
#endif
}
static void test_f32_u24(void)