Implemented sqr1, sqr2, ssqr1 and ssqr2 functions

lsp-plugins · Sep 20, 2023 · fa66392 · fa66392
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diff --git a/CHANGELOG b/CHANGELOG
@@ -3,7 +3,7 @@
 *******************************************************************************
 
 === 1.0.17 ===
-
+* Implemented sqr1, sqr2, ssqr1 and ssqr2 functions.
 
 === 1.0.16 ===
 * Fixed improper AVX-512 detection which causes crash for several functions.

diff --git a/include/lsp-plug.in/dsp/common/pmath.h b/include/lsp-plug.in/dsp/common/pmath.h
@@ -35,5 +35,7 @@
 #include <lsp-plug.in/dsp/common/pmath/op_kx.h>
 #include <lsp-plug.in/dsp/common/pmath/op_vv.h>
 #include <lsp-plug.in/dsp/common/pmath/pow.h>
+#include <lsp-plug.in/dsp/common/pmath/sqr.h>
+#include <lsp-plug.in/dsp/common/pmath/sqrt.h>
 
 #endif /* LSP_PLUG_IN_DSP_COMMON_PMATH_H_ */
diff --git a/include/lsp-plug.in/dsp/common/pmath/sqr.h b/include/lsp-plug.in/dsp/common/pmath/sqr.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
+ *           (C) 2023 Vladimir Sadovnikov <[email protected]>
+ *
+ * This file is part of lsp-dsp-lib
+ * Created on: 20 сент. 2023 г.
+ *
+ * lsp-dsp-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * lsp-dsp-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef LSP_PLUG_IN_DSP_COMMON_PMATH_SQR_H_
+#define LSP_PLUG_IN_DSP_COMMON_PMATH_SQR_H_
+
+#include <lsp-plug.in/dsp/common/types.h>
+
+/**
+ * Compute squares: dst[i] = dst[i]*dst[i]
+ * @param dst destination
+ * @param count number of elements to process
+ */
+LSP_DSP_LIB_SYMBOL(void, sqr1, float *dst, size_t count);
+
+/**
+ * Compute squares: dst[i] = src[i]*src[i]
+ * @param dst destination
+ * @param src source
+ * @param count number of elements in source
+ */
+LSP_DSP_LIB_SYMBOL(void, sqr2, float *dst, const float *src, size_t count);
+
+
+
+#endif /* LSP_PLUG_IN_DSP_COMMON_PMATH_SQR_H_ */
diff --git a/include/lsp-plug.in/dsp/common/pmath/sqrt.h b/include/lsp-plug.in/dsp/common/pmath/sqrt.h
@@ -0,0 +1,44 @@
+/*
+ * Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
+ *           (C) 2023 Vladimir Sadovnikov <[email protected]>
+ *
+ * This file is part of lsp-dsp-lib
+ * Created on: 20 сент. 2023 г.
+ *
+ * lsp-dsp-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * lsp-dsp-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef LSP_PLUG_IN_DSP_COMMON_PMATH_SQRT_H_
+#define LSP_PLUG_IN_DSP_COMMON_PMATH_SQRT_H_
+
+#include <lsp-plug.in/dsp/common/types.h>
+
+/**
+ * Compute saturated square roots: dst[i] = sqrt(max(dst[i], 0))
+ * @param dst destination
+ * @param count number of elements to process
+ */
+LSP_DSP_LIB_SYMBOL(void, ssqrt1, float *dst, size_t count);
+
+/**
+ * Compute saturated square roots: dst[i] = sqrt(max(src[i], 0))
+ * @param dst destination
+ * @param src source
+ * @param count number of elements in source
+ */
+LSP_DSP_LIB_SYMBOL(void, ssqrt2, float *dst, const float *src, size_t count);
+
+
+
+#endif /* LSP_PLUG_IN_DSP_COMMON_PMATH_SQRT_H_ */
diff --git a/include/private/dsp/arch/generic/pmath.h b/include/private/dsp/arch/generic/pmath.h
@@ -37,5 +37,7 @@
 #include <private/dsp/arch/generic/pmath/op_kx.h>
 #include <private/dsp/arch/generic/pmath/op_vv.h>
 #include <private/dsp/arch/generic/pmath/pow.h>
+#include <private/dsp/arch/generic/pmath/sqr.h>
+#include <private/dsp/arch/generic/pmath/ssqrt.h>
 
 #endif /* PRIVATE_DSP_ARCH_GENERIC_PMATH_H_ */
diff --git a/include/private/dsp/arch/generic/pmath/sqr.h b/include/private/dsp/arch/generic/pmath/sqr.h
@@ -0,0 +1,56 @@
+/*
+ * Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
+ *           (C) 2023 Vladimir Sadovnikov <[email protected]>
+ *
+ * This file is part of lsp-dsp-lib
+ * Created on: 20 сент. 2023 г.
+ *
+ * lsp-dsp-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * lsp-dsp-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PRIVATE_DSP_ARCH_GENERIC_PMATH_SQR_H_
+#define PRIVATE_DSP_ARCH_GENERIC_PMATH_SQR_H_
+
+#ifndef PRIVATE_DSP_ARCH_GENERIC_IMPL
+    #error "This header should not be included directly"
+#endif /* PRIVATE_DSP_ARCH_GENERIC_IMPL */
+
+namespace lsp
+{
+    namespace generic
+    {
+        void sqr1(float *dst, size_t count)
+        {
+            for (size_t i=0; i<count; ++i)
+            {
+                float s     = dst[i];
+                dst[i]      = s*s;
+            }
+        }
+
+        void sqr2(float *dst, const float *src, size_t count)
+        {
+            for (size_t i=0; i<count; ++i)
+            {
+                float s     = src[i];
+                dst[i]      = s*s;
+            }
+        }
+
+    } /* namespace generic */
+} /* namespace lsp */
+
+
+
+#endif /* PRIVATE_DSP_ARCH_GENERIC_PMATH_SQR_H_ */
diff --git a/include/private/dsp/arch/generic/pmath/ssqrt.h b/include/private/dsp/arch/generic/pmath/ssqrt.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
+ *           (C) 2023 Vladimir Sadovnikov <[email protected]>
+ *
+ * This file is part of lsp-dsp-lib
+ * Created on: 20 сент. 2023 г.
+ *
+ * lsp-dsp-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * lsp-dsp-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PRIVATE_DSP_ARCH_GENERIC_PMATH_SQRT_H_
+#define PRIVATE_DSP_ARCH_GENERIC_PMATH_SQRT_H_
+
+namespace lsp
+{
+    namespace generic
+    {
+        void ssqrt1(float *dst, size_t count)
+        {
+            for (size_t i=0; i<count; ++i)
+            {
+                float s     = dst[i];
+                dst[i]      = (s > 0.0f) ? sqrt(s) : 0.0f;
+            }
+        }
+
+        void ssqrt2(float *dst, const float *src, size_t count)
+        {
+            for (size_t i=0; i<count; ++i)
+            {
+                float s     = src[i];
+                dst[i]      = (s > 0.0f) ? sqrt(s) : 0.0f;
+            }
+        }
+
+    } /* namespace generic */
+} /* namespace lsp */
+
+
+
+
+#endif /* PRIVATE_DSP_ARCH_GENERIC_PMATH_SQRT_H_ */
diff --git a/include/private/dsp/arch/x86/avx/pmath.h b/include/private/dsp/arch/x86/avx/pmath.h
@@ -34,5 +34,7 @@
 #include <private/dsp/arch/x86/avx/pmath/normalize.h>
 #include <private/dsp/arch/x86/avx/pmath/op_kx.h>
 #include <private/dsp/arch/x86/avx/pmath/op_vv.h>
+#include <private/dsp/arch/x86/avx/pmath/sqr.h>
+#include <private/dsp/arch/x86/avx/pmath/ssqrt.h>
 
 #endif /* INCLUDE_PRIVATE_DSP_ARCH_X86_AVX_PMATH_H_ */
diff --git a/include/private/dsp/arch/x86/avx/pmath/sqr.h b/include/private/dsp/arch/x86/avx/pmath/sqr.h
@@ -0,0 +1,161 @@
+/*
+ * Copyright (C) 2023 Linux Studio Plugins Project <https://lsp-plug.in/>
+ *           (C) 2023 Vladimir Sadovnikov <[email protected]>
+ *
+ * This file is part of lsp-dsp-lib
+ * Created on: 20 сент. 2023 г.
+ *
+ * lsp-dsp-lib is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * lsp-dsp-lib is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef PRIVATE_DSP_ARCH_X86_AVX_PMATH_SQR_H_
+#define PRIVATE_DSP_ARCH_X86_AVX_PMATH_SQR_H_
+
+#ifndef PRIVATE_DSP_ARCH_X86_AVX_IMPL
+    #error "This header should not be included directly"
+#endif /* PRIVATE_DSP_ARCH_X86_AVX_IMPL */
+
+namespace lsp
+{
+    namespace avx
+    {
+    #define SQR_CORE(DST, SRC)   \
+        __ASM_EMIT("xor         %[off], %[off]") \
+        /* 64x blocks */ \
+        __ASM_EMIT("sub         $64, %[count]") \
+        __ASM_EMIT("jb          2f") \
+        __ASM_EMIT("1:") \
+        __ASM_EMIT("vmovups     0x00(%[" SRC "], %[off]), %%ymm0") \
+        __ASM_EMIT("vmovups     0x20(%[" SRC "], %[off]), %%ymm1") \
+        __ASM_EMIT("vmovups     0x40(%[" SRC "], %[off]), %%ymm2") \
+        __ASM_EMIT("vmovups     0x60(%[" SRC "], %[off]), %%ymm3") \
+        __ASM_EMIT("vmovups     0x80(%[" SRC "], %[off]), %%ymm4") \
+        __ASM_EMIT("vmovups     0xa0(%[" SRC "], %[off]), %%ymm5") \
+        __ASM_EMIT("vmovups     0xc0(%[" SRC "], %[off]), %%ymm6") \
+        __ASM_EMIT("vmovups     0xe0(%[" SRC "], %[off]), %%ymm7") \
+        __ASM_EMIT("vmulps      %%ymm0, %%ymm0, %%ymm0") \
+        __ASM_EMIT("vmulps      %%ymm1, %%ymm1, %%ymm1") \
+        __ASM_EMIT("vmulps      %%ymm2, %%ymm2, %%ymm2") \
+        __ASM_EMIT("vmulps      %%ymm3, %%ymm3, %%ymm3") \
+        __ASM_EMIT("vmulps      %%ymm4, %%ymm4, %%ymm4") \
+        __ASM_EMIT("vmulps      %%ymm5, %%ymm5, %%ymm5") \
+        __ASM_EMIT("vmulps      %%ymm6, %%ymm6, %%ymm6") \
+        __ASM_EMIT("vmulps      %%ymm7, %%ymm7, %%ymm7") \
+        __ASM_EMIT("vmovups     %%ymm0, 0x00(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm1, 0x20(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm2, 0x40(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm3, 0x60(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm4, 0x80(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm5, 0xa0(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm6, 0xc0(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm7, 0xe0(%[" DST "], %[off])") \
+        __ASM_EMIT("add         $0x100, %[off]") \
+        __ASM_EMIT("sub         $64, %[count]") \
+        __ASM_EMIT("jae         1b") \
+        __ASM_EMIT("2:") \
+        /* 32x block */ \
+        __ASM_EMIT("add         $32, %[count]") \
+        __ASM_EMIT("jl          4f") \
+        __ASM_EMIT("vmovups     0x00(%[" SRC "], %[off]), %%ymm0") \
+        __ASM_EMIT("vmovups     0x20(%[" SRC "], %[off]), %%ymm1") \
+        __ASM_EMIT("vmovups     0x40(%[" SRC "], %[off]), %%ymm2") \
+        __ASM_EMIT("vmovups     0x60(%[" SRC "], %[off]), %%ymm3") \
+        __ASM_EMIT("vmulps      %%ymm0, %%ymm0, %%ymm0") \
+        __ASM_EMIT("vmulps      %%ymm1, %%ymm1, %%ymm1") \
+        __ASM_EMIT("vmulps      %%ymm2, %%ymm2, %%ymm2") \
+        __ASM_EMIT("vmulps      %%ymm3, %%ymm3, %%ymm3") \
+        __ASM_EMIT("vmovups     %%ymm0, 0x00(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm1, 0x20(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm2, 0x40(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm3, 0x60(%[" DST "], %[off])") \
+        __ASM_EMIT("sub         $32, %[count]") \
+        __ASM_EMIT("add         $0x80, %[off]") \
+        __ASM_EMIT("4:") \
+        /* 16x block */ \
+        __ASM_EMIT("add         $16, %[count]") \
+        __ASM_EMIT("jl          6f") \
+        __ASM_EMIT("vmovups     0x00(%[" SRC "], %[off]), %%ymm0") \
+        __ASM_EMIT("vmovups     0x20(%[" SRC "], %[off]), %%ymm1") \
+        __ASM_EMIT("vmulps      %%ymm0, %%ymm0, %%ymm0") \
+        __ASM_EMIT("vmulps      %%ymm1, %%ymm1, %%ymm1") \
+        __ASM_EMIT("vmovups     %%ymm0, 0x00(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%ymm1, 0x20(%[" DST "], %[off])") \
+        __ASM_EMIT("sub         $16, %[count]") \
+        __ASM_EMIT("add         $0x40, %[off]") \
+        __ASM_EMIT("6:") \
+        /* 8x block */ \
+        __ASM_EMIT("add         $8, %[count]") \
+        __ASM_EMIT("jl          8f") \
+        __ASM_EMIT("vmovups     0x00(%[" SRC "], %[off]), %%xmm0") \
+        __ASM_EMIT("vmovups     0x10(%[" SRC "], %[off]), %%xmm1") \
+        __ASM_EMIT("vmulps      %%xmm0, %%xmm0, %%xmm0") \
+        __ASM_EMIT("vmulps      %%xmm1, %%xmm1, %%xmm1") \
+        __ASM_EMIT("vmovups     %%xmm0, 0x00(%[" DST "], %[off])") \
+        __ASM_EMIT("vmovups     %%xmm1, 0x10(%[" DST "], %[off])") \
+        __ASM_EMIT("sub         $8, %[count]") \
+        __ASM_EMIT("add         $0x20, %[off]") \
+        __ASM_EMIT("8:") \
+        /* 4x block */ \
+        __ASM_EMIT("add         $4, %[count]") \
+        __ASM_EMIT("jl          10f") \
+        __ASM_EMIT("vmovups     0x00(%[" SRC "], %[off]), %%xmm0") \
+        __ASM_EMIT("vmulps      %%xmm0, %%xmm0, %%xmm0") \
+        __ASM_EMIT("vmovups     %%xmm0, 0x00(%[" DST "], %[off])") \
+        __ASM_EMIT("sub         $4, %[count]") \
+        __ASM_EMIT("add         $0x10, %[off]") \
+        __ASM_EMIT("10:") \
+        /* 1x blocks */ \
+        __ASM_EMIT("add         $3, %[count]") \
+        __ASM_EMIT("jl          10f") \
+        __ASM_EMIT("9:") \
+        __ASM_EMIT("vmovss      0x00(%[" SRC "], %[off]), %%xmm0") \
+        __ASM_EMIT("vmulss      %%xmm0, %%xmm0, %%xmm0") \
+        __ASM_EMIT("vmovss      %%xmm0, 0x00(%[" DST "], %[off])") \
+        __ASM_EMIT("add         $0x04, %[off]") \
+        __ASM_EMIT("dec         %[count]") \
+        __ASM_EMIT("jge         9b") \
+        __ASM_EMIT("10:")
+
+        void sqr1(float *dst, size_t count)
+        {
+            size_t off;
+            ARCH_X86_ASM
+            (
+                SQR_CORE("dst", "dst")
+                : [off] "=&r" (off), [count] "+r" (count)
+                : [dst] "r" (dst)
+                : "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+                  "%xmm4", "%xmm5", "%xmm6", "%xmm7"
+            );
+        }
+
+        void sqr2(float *dst, const float *src, size_t count)
+        {
+            size_t off;
+            ARCH_X86_ASM
+            (
+                SQR_CORE("dst", "src")
+                : [off] "=&r" (off), [count] "+r" (count)
+                : [dst] "r" (dst), [src] "r" (src)
+                : "%xmm0", "%xmm1", "%xmm2", "%xmm3",
+                  "%xmm4", "%xmm5", "%xmm6", "%xmm7"
+            );
+        }
+
+    #undef SQR_CORE
+    } /* namespace avx */
+} /* namespace lsp */
+
+
+#endif /* PRIVATE_DSP_ARCH_X86_AVX_PMATH_SQR_H_ */