diff --git a/lib/common/compiler.h b/lib/common/compiler.h
index cafb35b71..6131ad068 100644
--- a/lib/common/compiler.h
+++ b/lib/common/compiler.h
@@ -218,6 +218,12 @@
 #  if defined(__ARM_NEON) || defined(_M_ARM64)
 #    define ZSTD_ARCH_ARM_NEON
 #  endif
+#  if defined(__ARM_FEATURE_SVE)
+#    define ZSTD_ARCH_ARM_SVE
+#  endif
+#  if defined(__ARM_FEATURE_SVE2)
+#    define ZSTD_ARCH_ARM_SVE2
+#  endif
 # if defined(__riscv) && defined(__riscv_vector)
 #   define ZSTD_ARCH_RISCV_RVV
 # endif
@@ -230,6 +236,9 @@
 #  elif defined(ZSTD_ARCH_ARM_NEON)
 #    include <arm_neon.h>
 #  endif
+#  if defined(ZSTD_ARCH_ARM_SVE) || defined(ZSTD_ARCH_ARM_SVE2)
+#    include <arm_sve.h>
+#  endif
 #  if defined(ZSTD_ARCH_RISCV_RVV)
 #    include <riscv_vector.h>
 #  endif
diff --git a/lib/compress/hist.c b/lib/compress/hist.c
index 4ccf9a90a..3692bc250 100644
--- a/lib/compress/hist.c
+++ b/lib/compress/hist.c
@@ -19,6 +19,12 @@
 #include "../common/error_private.h"   /* ERROR */
 #include "hist.h"
 
+#if defined(ZSTD_ARCH_ARM_SVE2)
+#define HIST_FAST_THRESHOLD 500
+#else
+#define HIST_FAST_THRESHOLD 1500
+#endif
+
 
 /* --- Error management --- */
 unsigned HIST_isError(size_t code) { return ERR_isError(code); }
@@ -65,6 +71,244 @@ unsigned HIST_count_simple(unsigned* count, unsigned* maxSymbolValuePtr,
 
 typedef enum { trustInput, checkMaxSymbolValue } HIST_checkInput_e;
 
+#if defined(ZSTD_ARCH_ARM_SVE2)
+FORCE_INLINE_TEMPLATE size_t min_size(size_t a, size_t b) { return a < b ? a : b; }
+
+static
+svuint16_t HIST_count_6_sve2(const BYTE* const src, size_t size, U32* const dst,
+                             const svuint8_t c0, const svuint8_t c1,
+                             const svuint8_t c2, const svuint8_t c3,
+                             const svuint8_t c4, const svuint8_t c5,
+                             const svuint16_t histmax, size_t maxCount)
+{
+    const svbool_t vl128 = svptrue_pat_b8(SV_VL16);
+    svuint16_t hh0 = svdup_n_u16(0);
+    svuint16_t hh1 = svdup_n_u16(0);
+    svuint16_t hh2 = svdup_n_u16(0);
+    svuint16_t hh3 = svdup_n_u16(0);
+    svuint16_t hh4 = svdup_n_u16(0);
+    svuint16_t hh5 = svdup_n_u16(0);
+    svuint16_t hh6 = svdup_n_u16(0);
+    svuint16_t hh7 = svdup_n_u16(0);
+    svuint16_t hh8 = svdup_n_u16(0);
+    svuint16_t hh9 = svdup_n_u16(0);
+    svuint16_t hha = svdup_n_u16(0);
+    svuint16_t hhb = svdup_n_u16(0);
+
+    size_t i = 0;
+    while (i < size) {
+        /* We can only accumulate 15 (15 * 16 <= 255) iterations of histogram
+         * in 8-bit accumulators! */
+        const size_t size240 = min_size(i + 240, size);
+
+        svbool_t pred = svwhilelt_b8_u64(i, size);
+        svuint8_t c = svld1rq_u8(pred, src + i);
+        svuint8_t h0 = svhistseg_u8(c0, c);
+        svuint8_t h1 = svhistseg_u8(c1, c);
+        svuint8_t h2 = svhistseg_u8(c2, c);
+        svuint8_t h3 = svhistseg_u8(c3, c);
+        svuint8_t h4 = svhistseg_u8(c4, c);
+        svuint8_t h5 = svhistseg_u8(c5, c);
+
+        for (i += 16; i < size240; i += 16) {
+            pred = svwhilelt_b8_u64(i, size);
+            c = svld1rq_u8(pred, src + i);
+            h0 = svadd_u8_x(vl128, h0, svhistseg_u8(c0, c));
+            h1 = svadd_u8_x(vl128, h1, svhistseg_u8(c1, c));
+            h2 = svadd_u8_x(vl128, h2, svhistseg_u8(c2, c));
+            h3 = svadd_u8_x(vl128, h3, svhistseg_u8(c3, c));
+            h4 = svadd_u8_x(vl128, h4, svhistseg_u8(c4, c));
+            h5 = svadd_u8_x(vl128, h5, svhistseg_u8(c5, c));
+        }
+
+        hh0 = svaddwb_u16(hh0, h0);
+        hh1 = svaddwt_u16(hh1, h0);
+        hh2 = svaddwb_u16(hh2, h1);
+        hh3 = svaddwt_u16(hh3, h1);
+        hh4 = svaddwb_u16(hh4, h2);
+        hh5 = svaddwt_u16(hh5, h2);
+        hh6 = svaddwb_u16(hh6, h3);
+        hh7 = svaddwt_u16(hh7, h3);
+        hh8 = svaddwb_u16(hh8, h4);
+        hh9 = svaddwt_u16(hh9, h4);
+        hha = svaddwb_u16(hha, h5);
+        hhb = svaddwt_u16(hhb, h5);
+    }
+
+    svst1_u32(svwhilelt_b32_u64( 0, maxCount), dst +  0, svshllb_n_u32(hh0, 0));
+    svst1_u32(svwhilelt_b32_u64( 4, maxCount), dst +  4, svshllt_n_u32(hh0, 0));
+    svst1_u32(svwhilelt_b32_u64( 8, maxCount), dst +  8, svshllb_n_u32(hh1, 0));
+    svst1_u32(svwhilelt_b32_u64(12, maxCount), dst + 12, svshllt_n_u32(hh1, 0));
+    svst1_u32(svwhilelt_b32_u64(16, maxCount), dst + 16, svshllb_n_u32(hh2, 0));
+    svst1_u32(svwhilelt_b32_u64(20, maxCount), dst + 20, svshllt_n_u32(hh2, 0));
+    svst1_u32(svwhilelt_b32_u64(24, maxCount), dst + 24, svshllb_n_u32(hh3, 0));
+    svst1_u32(svwhilelt_b32_u64(28, maxCount), dst + 28, svshllt_n_u32(hh3, 0));
+    svst1_u32(svwhilelt_b32_u64(32, maxCount), dst + 32, svshllb_n_u32(hh4, 0));
+    svst1_u32(svwhilelt_b32_u64(36, maxCount), dst + 36, svshllt_n_u32(hh4, 0));
+    svst1_u32(svwhilelt_b32_u64(40, maxCount), dst + 40, svshllb_n_u32(hh5, 0));
+    svst1_u32(svwhilelt_b32_u64(44, maxCount), dst + 44, svshllt_n_u32(hh5, 0));
+    svst1_u32(svwhilelt_b32_u64(48, maxCount), dst + 48, svshllb_n_u32(hh6, 0));
+    svst1_u32(svwhilelt_b32_u64(52, maxCount), dst + 52, svshllt_n_u32(hh6, 0));
+    svst1_u32(svwhilelt_b32_u64(56, maxCount), dst + 56, svshllb_n_u32(hh7, 0));
+    svst1_u32(svwhilelt_b32_u64(60, maxCount), dst + 60, svshllt_n_u32(hh7, 0));
+    svst1_u32(svwhilelt_b32_u64(64, maxCount), dst + 64, svshllb_n_u32(hh8, 0));
+    svst1_u32(svwhilelt_b32_u64(68, maxCount), dst + 68, svshllt_n_u32(hh8, 0));
+    svst1_u32(svwhilelt_b32_u64(72, maxCount), dst + 72, svshllb_n_u32(hh9, 0));
+    svst1_u32(svwhilelt_b32_u64(76, maxCount), dst + 76, svshllt_n_u32(hh9, 0));
+    svst1_u32(svwhilelt_b32_u64(80, maxCount), dst + 80, svshllb_n_u32(hha, 0));
+    svst1_u32(svwhilelt_b32_u64(84, maxCount), dst + 84, svshllt_n_u32(hha, 0));
+    svst1_u32(svwhilelt_b32_u64(88, maxCount), dst + 88, svshllb_n_u32(hhb, 0));
+    svst1_u32(svwhilelt_b32_u64(92, maxCount), dst + 92, svshllt_n_u32(hhb, 0));
+
+    hh0 = svmax_u16_x(vl128, hh0, hh1);
+    hh2 = svmax_u16_x(vl128, hh2, hh3);
+    hh4 = svmax_u16_x(vl128, hh4, hh5);
+    hh6 = svmax_u16_x(vl128, hh6, hh7);
+    hh8 = svmax_u16_x(vl128, hh8, hh9);
+    hha = svmax_u16_x(vl128, hha, hhb);
+    hh0 = svmax_u16_x(vl128, hh0, hh2);
+    hh4 = svmax_u16_x(vl128, hh4, hh6);
+    hh8 = svmax_u16_x(vl128, hh8, hha);
+    hh0 = svmax_u16_x(vl128, hh0, hh4);
+    hh8 = svmax_u16_x(vl128, hh8, histmax);
+    return svmax_u16_x(vl128, hh0, hh8);
+}
+
+static size_t HIST_count_sve2(unsigned* count, unsigned* maxSymbolValuePtr,
+                              const void* source, size_t sourceSize,
+                              HIST_checkInput_e check)
+{
+    const BYTE* ip = (const BYTE*)source;
+    const size_t maxCount = *maxSymbolValuePtr + 1;
+
+    assert(*maxSymbolValuePtr <= 255);
+    if (!sourceSize) {
+        ZSTD_memset(count, 0, maxCount * sizeof(*count));
+        *maxSymbolValuePtr = 0;
+        return 0;
+    }
+
+    {   const svbool_t vl128 = svptrue_pat_b8(SV_VL16);
+        const svuint8_t c0 = svreinterpret_u8(svindex_u32(0x0C040800, 0x01010101));
+        const svuint8_t c1 = svadd_n_u8_x(vl128, c0, 16);
+        const svuint8_t c2 = svadd_n_u8_x(vl128, c0, 32);
+        const svuint8_t c3 = svadd_n_u8_x(vl128, c1, 32);
+
+        svuint8_t symbolMax = svdup_n_u8(0);
+        svuint16_t hh0 = svdup_n_u16(0);
+        svuint16_t hh1 = svdup_n_u16(0);
+        svuint16_t hh2 = svdup_n_u16(0);
+        svuint16_t hh3 = svdup_n_u16(0);
+        svuint16_t hh4 = svdup_n_u16(0);
+        svuint16_t hh5 = svdup_n_u16(0);
+        svuint16_t hh6 = svdup_n_u16(0);
+        svuint16_t hh7 = svdup_n_u16(0);
+        svuint16_t max;
+        size_t maxSymbolValue;
+
+        size_t i = 0;
+        while (i < sourceSize) {
+            /* We can only accumulate 15 (15 * 16 <= 255) iterations of
+             * histogram in 8-bit accumulators! */
+            const size_t size240 = min_size(i + 240, sourceSize);
+
+            svbool_t pred = svwhilelt_b8_u64(i, sourceSize);
+            svuint8_t c = svld1rq_u8(pred, ip + i);
+            svuint8_t h0 = svhistseg_u8(c0, c);
+            svuint8_t h1 = svhistseg_u8(c1, c);
+            svuint8_t h2 = svhistseg_u8(c2, c);
+            svuint8_t h3 = svhistseg_u8(c3, c);
+            symbolMax = svmax_u8_x(vl128, symbolMax, c);
+
+            for (i += 16; i < size240; i += 16) {
+                pred = svwhilelt_b8_u64(i, sourceSize);
+                c = svld1rq_u8(pred, ip + i);
+                h0 = svadd_u8_x(vl128, h0, svhistseg_u8(c0, c));
+                h1 = svadd_u8_x(vl128, h1, svhistseg_u8(c1, c));
+                h2 = svadd_u8_x(vl128, h2, svhistseg_u8(c2, c));
+                h3 = svadd_u8_x(vl128, h3, svhistseg_u8(c3, c));
+                symbolMax = svmax_u8_x(vl128, symbolMax, c);
+            }
+
+            hh0 = svaddwb_u16(hh0, h0);
+            hh1 = svaddwt_u16(hh1, h0);
+            hh2 = svaddwb_u16(hh2, h1);
+            hh3 = svaddwt_u16(hh3, h1);
+            hh4 = svaddwb_u16(hh4, h2);
+            hh5 = svaddwt_u16(hh5, h2);
+            hh6 = svaddwb_u16(hh6, h3);
+            hh7 = svaddwt_u16(hh7, h3);
+        }
+        maxSymbolValue = svmaxv_u8(vl128, symbolMax);
+
+        if (check && maxSymbolValue > *maxSymbolValuePtr) return ERROR(maxSymbolValue_tooSmall);
+        *maxSymbolValuePtr = maxSymbolValue;
+
+        /* If the buffer size is not divisible by 16, the last elements of the final
+         * vector register read will be zeros, and these elements must be subtracted
+         * from the histogram.
+         */
+        hh0 = svsub_n_u16_m(svptrue_pat_b32(SV_VL1), hh0, -sourceSize & 15);
+
+        svst1_u32(svwhilelt_b32_u64( 0, maxCount), count +  0, svshllb_n_u32(hh0, 0));
+        svst1_u32(svwhilelt_b32_u64( 4, maxCount), count +  4, svshllt_n_u32(hh0, 0));
+        svst1_u32(svwhilelt_b32_u64( 8, maxCount), count +  8, svshllb_n_u32(hh1, 0));
+        svst1_u32(svwhilelt_b32_u64(12, maxCount), count + 12, svshllt_n_u32(hh1, 0));
+        svst1_u32(svwhilelt_b32_u64(16, maxCount), count + 16, svshllb_n_u32(hh2, 0));
+        svst1_u32(svwhilelt_b32_u64(20, maxCount), count + 20, svshllt_n_u32(hh2, 0));
+        svst1_u32(svwhilelt_b32_u64(24, maxCount), count + 24, svshllb_n_u32(hh3, 0));
+        svst1_u32(svwhilelt_b32_u64(28, maxCount), count + 28, svshllt_n_u32(hh3, 0));
+        svst1_u32(svwhilelt_b32_u64(32, maxCount), count + 32, svshllb_n_u32(hh4, 0));
+        svst1_u32(svwhilelt_b32_u64(36, maxCount), count + 36, svshllt_n_u32(hh4, 0));
+        svst1_u32(svwhilelt_b32_u64(40, maxCount), count + 40, svshllb_n_u32(hh5, 0));
+        svst1_u32(svwhilelt_b32_u64(44, maxCount), count + 44, svshllt_n_u32(hh5, 0));
+        svst1_u32(svwhilelt_b32_u64(48, maxCount), count + 48, svshllb_n_u32(hh6, 0));
+        svst1_u32(svwhilelt_b32_u64(52, maxCount), count + 52, svshllt_n_u32(hh6, 0));
+        svst1_u32(svwhilelt_b32_u64(56, maxCount), count + 56, svshllb_n_u32(hh7, 0));
+        svst1_u32(svwhilelt_b32_u64(60, maxCount), count + 60, svshllt_n_u32(hh7, 0));
+
+        hh0 = svmax_u16_x(vl128, hh0, hh1);
+        hh2 = svmax_u16_x(vl128, hh2, hh3);
+        hh4 = svmax_u16_x(vl128, hh4, hh5);
+        hh6 = svmax_u16_x(vl128, hh6, hh7);
+        hh0 = svmax_u16_x(vl128, hh0, hh2);
+        hh4 = svmax_u16_x(vl128, hh4, hh6);
+        max = svmax_u16_x(vl128, hh0, hh4);
+
+        maxSymbolValue = min_size(maxSymbolValue, maxCount);
+        if (maxSymbolValue >= 64) {
+            const svuint8_t c4 = svadd_n_u8_x(vl128, c0,  64);
+            const svuint8_t c5 = svadd_n_u8_x(vl128, c1,  64);
+            const svuint8_t c6 = svadd_n_u8_x(vl128, c2,  64);
+            const svuint8_t c7 = svadd_n_u8_x(vl128, c3,  64);
+            const svuint8_t c8 = svadd_n_u8_x(vl128, c0, 128);
+            const svuint8_t c9 = svadd_n_u8_x(vl128, c1, 128);
+
+            max = HIST_count_6_sve2(ip, sourceSize, count + 64, c4, c5, c6, c7,
+                                    c8, c9, max, maxCount - 64);
+
+            if (maxSymbolValue >= 160) {
+                const svuint8_t ca = svadd_n_u8_x(vl128, c2, 128);
+                const svuint8_t cb = svadd_n_u8_x(vl128, c3, 128);
+                const svuint8_t cc = svadd_n_u8_x(vl128, c4, 128);
+                const svuint8_t cd = svadd_n_u8_x(vl128, c5, 128);
+                const svuint8_t ce = svadd_n_u8_x(vl128, c6, 128);
+                const svuint8_t cf = svadd_n_u8_x(vl128, c7, 128);
+
+                max = HIST_count_6_sve2(ip, sourceSize, count + 160, ca, cb, cc,
+                                        cd, ce, cf, max, maxCount - 160);
+            } else if (maxCount > 160) {
+                ZSTD_memset(count + 160, 0, (maxCount - 160) * sizeof(*count));
+            }
+        } else if (maxCount > 64) {
+            ZSTD_memset(count + 64, 0, (maxCount - 64) * sizeof(*count));
+        }
+
+        return svmaxv_u16(vl128, max);
+    }
+}
+#endif
+
 /* HIST_count_parallel_wksp() :
  * store histogram into 4 intermediate tables, recombined at the end.
  * this design makes better use of OoO cpus,
@@ -73,8 +317,8 @@ typedef enum { trustInput, checkMaxSymbolValue } HIST_checkInput_e;
  * `workSpace` must be a U32 table of size >= HIST_WKSP_SIZE_U32.
  * @return : largest histogram frequency,
  *           or an error code (notably when histogram's alphabet is larger than *maxSymbolValuePtr) */
-static size_t HIST_count_parallel_wksp(
-                                unsigned* count, unsigned* maxSymbolValuePtr,
+static UNUSED_ATTR
+size_t HIST_count_parallel_wksp(unsigned* count, unsigned* maxSymbolValuePtr,
                                 const void* source, size_t sourceSize,
                                 HIST_checkInput_e check,
                                 U32* const workSpace)
@@ -151,11 +395,17 @@ size_t HIST_countFast_wksp(unsigned* count, unsigned* maxSymbolValuePtr,
                           const void* source, size_t sourceSize,
                           void* workSpace, size_t workSpaceSize)
 {
-    if (sourceSize < 1500) /* heuristic threshold */
+    if (sourceSize < HIST_FAST_THRESHOLD) /* heuristic threshold */
         return HIST_count_simple(count, maxSymbolValuePtr, source, sourceSize);
+#if defined(ZSTD_ARCH_ARM_SVE2)
+    (void)workSpace;
+    (void)workSpaceSize;
+    return HIST_count_sve2(count, maxSymbolValuePtr, source, sourceSize, trustInput);
+#else
     if ((size_t)workSpace & 3) return ERROR(GENERIC);  /* must be aligned on 4-bytes boundaries */
     if (workSpaceSize < HIST_WKSP_SIZE) return ERROR(workSpace_tooSmall);
     return HIST_count_parallel_wksp(count, maxSymbolValuePtr, source, sourceSize, trustInput, (U32*)workSpace);
+#endif
 }
 
 /* HIST_count_wksp() :
@@ -165,10 +415,15 @@ size_t HIST_count_wksp(unsigned* count, unsigned* maxSymbolValuePtr,
                        const void* source, size_t sourceSize,
                        void* workSpace, size_t workSpaceSize)
 {
+#if defined(ZSTD_ARCH_ARM_SVE2)
+    if (*maxSymbolValuePtr < 255)
+        return HIST_count_sve2(count, maxSymbolValuePtr, source, sourceSize, checkMaxSymbolValue);
+#else
     if ((size_t)workSpace & 3) return ERROR(GENERIC);  /* must be aligned on 4-bytes boundaries */
     if (workSpaceSize < HIST_WKSP_SIZE) return ERROR(workSpace_tooSmall);
     if (*maxSymbolValuePtr < 255)
         return HIST_count_parallel_wksp(count, maxSymbolValuePtr, source, sourceSize, checkMaxSymbolValue, (U32*)workSpace);
+#endif
     *maxSymbolValuePtr = 255;
     return HIST_countFast_wksp(count, maxSymbolValuePtr, source, sourceSize, workSpace, workSpaceSize);
 }
diff --git a/lib/compress/hist.h b/lib/compress/hist.h
index bea2a9ebf..e526e9532 100644
--- a/lib/compress/hist.h
+++ b/lib/compress/hist.h
@@ -35,7 +35,11 @@ unsigned HIST_isError(size_t code);  /**< tells if a return value is an error co
 
 /* --- advanced histogram functions --- */
 
+#if defined(__ARM_FEATURE_SVE2)
+#define HIST_WKSP_SIZE_U32 0
+#else
 #define HIST_WKSP_SIZE_U32 1024
+#endif
 #define HIST_WKSP_SIZE    (HIST_WKSP_SIZE_U32 * sizeof(unsigned))
 /** HIST_count_wksp() :
  *  Same as HIST_count(), but using an externally provided scratch buffer.