Make: Move drafts

Author: ashvardanian

CONTRIBUTING.md

@@ -129,8 +129,8 @@ Using modern syntax, this is how you build and run the test suite:
 
 ```bash
 cmake -D STRINGZILLA_BUILD_TEST=1 -D CMAKE_BUILD_TYPE=Debug -B build_debug
-cmake --build build_debug --config Debug          # Which will produce the following targets:
-build_debug/stringzilla_test_cpp20                # Unit test for the entire library compiled for current hardware
+cmake --build build_debug --config Debug      # Which will produce the following targets:
+build_debug/stringzilla_test_cpp20            # Unit test for the entire library compiled for current hardware
 build_debug/stringzilla_test_cpp20_serial     # x86 variant compiled for IvyBridge - last arch. before AVX2
 build_debug/stringzilla_test_cpp20_serial     # Arm variant compiled without Neon
 ```

c/lib.c

@@ -224,7 +224,7 @@ SZ_DYNAMIC void sz_dispatch_table_init(void) {
 
     impl->edit_distance = sz_edit_distance_serial;
     impl->alignment_score = sz_alignment_score_serial;
-    impl->hashes = sz_hashes_serial;
+    impl->hashes = 0;
 
 #if SZ_USE_HASWELL
     if (caps & sz_cap_haswell_k) {

include/stringzilla/drafts.h drafts/bitap.hinclude/stringzilla/drafts.h renamed to drafts/bitap.h

@@ -78,11 +78,6 @@ SZ_PUBLIC sz_u64_t sz_checksum_serial(sz_cptr_t text, sz_size_t length);
 /** @copydoc sz_hash */
 SZ_PUBLIC sz_u64_t sz_hash_serial(sz_cptr_t text, sz_size_t length);
 
-/** @copydoc sz_hashes */
-SZ_PUBLIC void sz_hashes_serial(                                                      //
-    sz_cptr_t text, sz_size_t length, sz_size_t window_length, sz_size_t window_step, //
-    sz_hash_callback_t callback, void *callback_handle);
-
 /** @copydoc sz_generate */
 SZ_PUBLIC void sz_generate_serial( //
     sz_cptr_t alphabet, sz_size_t cardinality, sz_ptr_t text, sz_size_t length, sz_random_generator_t generate,
@@ -261,7 +256,7 @@ SZ_PUBLIC sz_u64_t sz_checksum_haswell(sz_cptr_t text, sz_size_t length) {
             text_vec.ymm = _mm256_lddqu_si256((__m256i const *)text);
             sums_vec.ymm = _mm256_add_epi64(sums_vec.ymm, _mm256_sad_epu8(text_vec.ymm, _mm256_setzero_si256()));
         }
-        // Accumulating 256 bits is harders, as we need to extract the 128-bit sums first.
+        // Accumulating 256 bits is harder, as we need to extract the 128-bit sums first.
         __m128i low_xmm = _mm256_castsi256_si128(sums_vec.ymm);
         __m128i high_xmm = _mm256_extracti128_si256(sums_vec.ymm, 1);
         __m128i sums_xmm = _mm_add_epi64(low_xmm, high_xmm);
@@ -291,7 +286,7 @@ SZ_PUBLIC sz_u64_t sz_checksum_haswell(sz_cptr_t text, sz_size_t length) {
                 sums_vec.ymm = _mm256_add_epi64(sums_vec.ymm, _mm256_sad_epu8(text_vec.ymm, _mm256_setzero_si256()));
             }
         }
-        // When the biffer is huge, we can traverse it in 2 directions.
+        // When the buffer is huge, we can traverse it in 2 directions.
         else {
             sz_u256_vec_t text_reversed_vec, sums_reversed_vec;
             sums_reversed_vec.ymm = _mm256_setzero_si256();
@@ -312,7 +307,7 @@ SZ_PUBLIC sz_u64_t sz_checksum_haswell(sz_cptr_t text, sz_size_t length) {
         // Handle the tail
         while (tail_length--) result += *text++;
 
-        // Accumulating 256 bits is harders, as we need to extract the 128-bit sums first.
+        // Accumulating 256 bits is harder, as we need to extract the 128-bit sums first.
         __m128i low_xmm = _mm256_castsi256_si128(sums_vec.ymm);
         __m128i high_xmm = _mm256_extracti128_si256(sums_vec.ymm, 1);
         __m128i sums_xmm = _mm_add_epi64(low_xmm, high_xmm);

include/stringzilla/fingerprint.h drafts/fingerprint.hinclude/stringzilla/fingerprint.h renamed to drafts/fingerprint.h

@@ -46,22 +46,26 @@ tracked_unary_functions_t hashing_functions() {
 }
 
 tracked_unary_functions_t sliding_hashing_functions(std::size_t window_width, std::size_t step) {
+#if _SZ_DEPRECATED_FINGERPRINTS
     auto wrap_sz = [=](auto function) -> unary_function_t {
         return unary_function_t([function, window_width, step](std::string_view s) {
             sz_size_t mixed_hash = 0;
             function(s.data(), s.size(), window_width, step, _sz_hashes_fingerprint_scalar_callback, &mixed_hash);
             return mixed_hash;
         });
     };
+#endif
     std::string suffix = std::to_string(window_width) + ":step" + std::to_string(step);
     tracked_unary_functions_t result = {
+#if _SZ_DEPRECATED_FINGERPRINTS
 #if SZ_USE_ICE
         {"sz_hashes_ice:" + suffix, wrap_sz(sz_hashes_ice)},
 #endif
 #if SZ_USE_HASWELL
         {"sz_hashes_haswell:" + suffix, wrap_sz(sz_hashes_haswell)},
 #endif
         {"sz_hashes_serial:" + suffix, wrap_sz(sz_hashes_serial)},
+#endif
     };
     return result;
 }