diff options
Diffstat (limited to 'src/vppinfra/vector/test/toeplitz.c')
| -rw-r--r-- | src/vppinfra/vector/test/toeplitz.c | 553 |
1 files changed, 0 insertions, 553 deletions
diff --git a/src/vppinfra/vector/test/toeplitz.c b/src/vppinfra/vector/test/toeplitz.c deleted file mode 100644 index fbe4275f9fa..00000000000 --- a/src/vppinfra/vector/test/toeplitz.c +++ /dev/null @@ -1,553 +0,0 @@ -/* SPDX-License-Identifier: Apache-2.0 - * Copyright(c) 2021 Cisco Systems, Inc. - */ - -#include <vppinfra/format.h> -#include <vppinfra/vector/test/test.h> -#include <vppinfra/vector/toeplitz.h> - -/* secret key and test cases taken from: - * https://docs.microsoft.com/en-us/windows-hardware/drivers/network/verifying-the-rss-hash-calculation - */ - -typedef struct -{ - u32 sip, dip; - u16 sport, dport; -} __clib_packed ip4_key_t; - -typedef struct -{ - ip4_key_t key; - u32 hash_2t, hash_4t; -} ip4_test_t; - -typedef struct -{ - u16 sip[8], dip[8]; - u16 sport, dport; -} __clib_packed ip6_key_t; - -typedef struct -{ - ip6_key_t key; - u32 hash_2t, hash_4t; -} ip6_test_t; - -#define N_IP4_TESTS 5 -#define N_IP6_TESTS 3 -#define N_LENGTH_TESTS 240 - -#ifndef CLIB_MARCH_VARIANT -#define _IP4(a, b, c, d) ((d) << 24 | (c) << 16 | (b) << 8 | (a)) -#define _IP6(a, b, c, d, e, f, g, h) \ - { \ - (u16) ((a) << 8) | (u8) ((a) >> 8), (u16) ((b) << 8) | (u8) ((b) >> 8), \ - (u16) ((c) << 8) | (u8) ((c) >> 8), (u16) ((d) << 8) | (u8) ((d) >> 8), \ - (u16) ((e) << 8) | (u8) ((e) >> 8), (u16) ((f) << 8) | (u8) ((f) >> 8), \ - (u16) ((g) << 8) | (u8) ((g) >> 8), (u16) ((h) << 8) | (u8) ((h) >> 8), \ - } -#define _PORT(a) ((a) >> 8 | (((a) &0xff) << 8)) - -const ip4_test_t ip4_tests[N_IP4_TESTS] = { - /* ipv4 tests */ - { - .key.sip = _IP4 (66, 9, 149, 187), - .key.dip = _IP4 (161, 142, 100, 80), - .key.sport = _PORT (2794), - .key.dport = _PORT (1766), - .hash_2t = 0x323e8fc2, - .hash_4t = 0x51ccc178, - }, - { - .key.sip = _IP4 (199, 92, 111, 2), - .key.dip = _IP4 (65, 69, 140, 83), - .key.sport = _PORT (14230), - .key.dport = _PORT (4739), - .hash_2t = 0xd718262a, - .hash_4t = 0xc626b0ea, - }, - { - .key.sip = _IP4 (24, 19, 198, 95), - .key.dip = _IP4 (12, 22, 207, 184), - .key.sport = _PORT (12898), - .key.dport = _PORT (38024), - .hash_2t = 0xd2d0a5de, - .hash_4t = 0x5c2b394a, - }, - { - .key.sip = _IP4 (38, 27, 205, 30), - .key.dip = _IP4 (209, 142, 163, 6), - .key.sport = _PORT (48228), - .key.dport = _PORT (2217), - .hash_2t = 0x82989176, - .hash_4t = 0xafc7327f, - }, - { - .key.sip = _IP4 (153, 39, 163, 191), - .key.dip = _IP4 (202, 188, 127, 2), - .key.sport = _PORT (44251), - .key.dport = _PORT (1303), - .hash_2t = 0x5d1809c5, - .hash_4t = 0x10e828a2, - } -}; - -const ip6_test_t ip6_tests[N_IP6_TESTS] = { - { - .key.sip = _IP6 (0x3ffe, 0x2501, 0x200, 0x1fff, 0, 0, 0, 7), - .key.dip = _IP6 (0x3ffe, 0x2501, 0x200, 3, 0, 0, 0, 1), - .key.sport = _PORT (2794), - .key.dport = _PORT (1766), - .hash_2t = 0x2cc18cd5, - .hash_4t = 0x40207d3d, - }, - { - .key.sip = _IP6 (0x3ffe, 0x501, 8, 0, 0x260, 0x97ff, 0xfe40, 0xefab), - .key.dip = _IP6 (0xff02, 0, 0, 0, 0, 0, 0, 1), - .key.sport = _PORT (14230), - .key.dport = _PORT (4739), - .hash_2t = 0x0f0c461c, - .hash_4t = 0xdde51bbf, - }, - { - .key.sip = _IP6 (0x3ffe, 0x1900, 0x4545, 3, 0x200, 0xf8ff, 0xfe21, 0x67cf), - .key.dip = _IP6 (0xfe80, 0, 0, 0, 0x200, 0xf8ff, 0xfe21, 0x67cf), - .key.sport = _PORT (44251), - .key.dport = _PORT (38024), - .hash_2t = 0x4b61e985, - .hash_4t = 0x02d1feef, - } -}; - -const u32 length_test_hashes[N_LENGTH_TESTS] = { - 0x00000000, 0x00000000, 0x2b6d12ad, 0x9de4446e, 0x061f00bf, 0xad7ed8f7, - 0x4bc7b068, 0x231fc545, 0xdbd97a33, 0xcdab29e7, 0x2d665c0c, 0x31e28ed7, - 0x14e19218, 0x5aa89f0f, 0xd47de07f, 0x355ec712, 0x7e1cbfc0, 0xf84de19d, - 0xbcf66bd3, 0x104086c6, 0x71900b34, 0xcd2f9819, 0xeae68ebb, 0x54d63b4c, - 0x5f865a2c, 0x9d6ded08, 0xe00b0912, 0x3fcf07a6, 0x3bd9ca93, 0x3f4f3bbb, - 0xd0b82624, 0xa28a08e1, 0xa585969f, 0x0c8f4a71, 0x5dce7bdd, 0x4fcf2a6d, - 0x91c89ae9, 0xbef8a24d, 0x8e3d30fe, 0xc8027848, 0xc1e7e513, 0xa12bd3d9, - 0x46700bb4, 0xc6339dab, 0x970805ad, 0xfcb50ac8, 0xc6db4f44, 0x792e2987, - 0xacfb7836, 0xa25ec529, 0x957d7beb, 0x6732809a, 0x891836ed, 0xeefb83b2, - 0xca96b40b, 0x93fd5abd, 0x9076f922, 0x59adb4eb, 0x9705aafb, 0x282719b1, - 0xdda9cb8a, 0x3f499131, 0x47491130, 0x30ef0759, 0xad1cf855, 0x428aa312, - 0x4200240a, 0x71a72857, 0x16b30c36, 0x10cca9a3, 0x166f091e, 0x30e00560, - 0x8acd20ba, 0xfa633d76, 0x0fe32eb7, 0xdcc0122f, 0x20aa8ab0, 0x62b2a9af, - 0x7a6c80a6, 0x27e87268, 0x95b797a8, 0x25d18ccd, 0x68a7fb00, 0xc54bcdad, - 0x3bd0e717, 0xf0df54c9, 0x780daadf, 0x7b435605, 0x150c1e10, 0x8a892e54, - 0x9d27cb25, 0xe23383a5, 0x57aac408, 0x83b8abf8, 0x560f33af, 0xd5cb3307, - 0x79ae8edc, 0x9b127665, 0x320f18bd, 0x385d636b, 0xbd1b2dbf, 0x97679888, - 0x738894a4, 0xeba2afb0, 0xfa7c2d50, 0xb6741aa1, 0x28922bba, 0x7783242b, - 0xa694cca2, 0xa32781c0, 0x696cd670, 0xa714d72f, 0xea34d35a, 0xc5aed81e, - 0x0438433a, 0xc1939ab2, 0xb51c123a, 0x121426b9, 0x1add93ba, 0x50c56b6a, - 0x7e90902a, 0xae3abd85, 0x2f7a0088, 0xb45cf6f9, 0x80070094, 0x8bd46467, - 0xdfd1b762, 0x0bb25856, 0x48eefe84, 0x0989dbb9, 0xfc32472b, 0x965fec6b, - 0x5a256bd0, 0x6df7127a, 0x7856d0d6, 0xedc82bd3, 0x1b563b96, 0xc73eace7, - 0xba4c0a93, 0xdfd6dd97, 0x923c41db, 0x14926ca6, 0x22e52ab1, 0x22852a66, - 0x79606b9c, 0xb0f22b23, 0xb46354ba, 0x9c3cd931, 0x03a92bd6, 0x84000834, - 0x5425df65, 0xf4dd3fc9, 0x391cc873, 0xa560b52e, 0x828037d9, 0x31323dd5, - 0x5c6e3147, 0x28e21f85, 0xa431eb51, 0xf468c4a3, 0x9bea1d2e, 0x43d9109c, - 0x5bb9b081, 0xe0825675, 0xc9c92591, 0xd29fc812, 0x03136bc9, 0x5e005a1f, - 0x6d821ed8, 0x3f0bfcc4, 0x24774162, 0x893bde94, 0x6475efea, 0x6711538e, - 0xc4755f6d, 0x9425ebe2, 0xacf471b4, 0xb947ab0c, 0x1f78c455, 0x372b3ed7, - 0xb3ec24d7, 0x18c4459f, 0xa8ff3695, 0xe4aa2b85, 0x8a52ad7e, 0xe05e8177, - 0x7aa348ed, 0x3e4ac6aa, 0x17dcf8a5, 0x93b933b0, 0x8f7413ec, 0xc77bfe61, - 0xfdb72874, 0x4370f138, 0xdf3462ad, 0xc8970a59, 0xb4a9fed8, 0xa2ddc39b, - 0xd61db62a, 0x95c5fc1b, 0x7b22e6e0, 0x1969702c, 0x7992aebb, 0x59d7c225, - 0x0e16db0b, 0x9f2afc21, 0x246cf66b, 0xb3d6569d, 0x29c532d7, 0xe155747a, - 0xe38d7872, 0xea704969, 0xb69095b0, 0x1b198efd, 0x55daab76, 0xa2a377b6, - 0xb31aa2fa, 0x48b73c41, 0xf0cc501a, 0x9c9ca831, 0x1b591b99, 0xb2d8d22f, - 0xab4b5f69, 0x4fe00e71, 0xdf5480bd, 0x982540d7, 0x7f34ea4f, 0xd7be66e1, - 0x9d2ab1ba, 0x1ba62e12, 0xee3fb36c, 0xf28d7c5a, 0x756311eb, 0xc68567f2, - 0x7b6ea177, 0xc398d9f3 -}; - -#else -extern const ip4_test_t ip4_tests[N_IP4_TESTS]; -extern const ip6_test_t ip6_tests[N_IP6_TESTS]; -extern const u32 length_test_hashes[N_LENGTH_TESTS]; -#endif - -__test_funct_fn u32 -wrapper (clib_toeplitz_hash_key_t *k, u8 *data, u32 n_bytes) -{ - return clib_toeplitz_hash (k, data, n_bytes); -} - -__test_funct_fn void -wrapper_x4 (clib_toeplitz_hash_key_t *k, u8 *d0, u8 *d1, u8 *d2, u8 *d3, - u32 *h0, u32 *h1, u32 *h2, u32 *h3, u32 n_bytes) -{ - clib_toeplitz_hash_x4 (k, d0, d1, d2, d3, h0, h1, h2, h3, n_bytes); -} - -static clib_error_t * -test_clib_toeplitz_hash (clib_error_t *err) -{ - u32 r; - int n_key_copies, bigkey_len, bigdata_len; - u8 *bigkey, *bigdata; - clib_toeplitz_hash_key_t *k; - - k = clib_toeplitz_hash_key_init (0, 0); - - for (int i = 0; i < N_IP4_TESTS; i++) - { - r = wrapper (k, (u8 *) &ip4_tests[i].key, 8); - if (ip4_tests[i].hash_2t != r) - return clib_error_return (err, - "wrong IPv4 2 tuple hash for test %u, " - "calculated 0x%08x expected 0x%08x", - i, ip4_tests[i].hash_2t, r); - - r = wrapper (k, (u8 *) &ip4_tests[i].key, 12); - if (ip4_tests[i].hash_4t != r) - return clib_error_return (err, - "wrong IPv4 4 tuple hash for test %u, " - "calculated 0x%08x expected 0x%08x", - i, ip4_tests[i].hash_4t, r); - } - - for (int i = 0; i < N_IP6_TESTS; i++) - { - r = wrapper (k, (u8 *) &ip6_tests[i].key, 32); - if (ip6_tests[i].hash_2t != r) - return clib_error_return (err, - "wrong IPv6 2 tuple hash for test %u, " - "calculated 0x%08x expected 0x%08x", - i, ip6_tests[i].hash_2t, r); - - r = wrapper (k, (u8 *) &ip6_tests[i].key, 36); - if (ip6_tests[i].hash_4t != r) - return clib_error_return (err, - "wrong IPv6 4 tuple hash for test %u, " - "calculated 0x%08x expected 0x%08x", - i, ip6_tests[i].hash_4t, r); - } - - n_key_copies = 6; - bigkey_len = k->key_length * n_key_copies; - bigdata_len = bigkey_len - 4; - bigkey = test_mem_alloc_and_splat (k->key_length, n_key_copies, k->data); - bigdata = test_mem_alloc_and_fill_inc_u8 (bigdata_len, 0, 0); - u32 key_len = k->key_length; - - clib_toeplitz_hash_key_free (k); - k = clib_toeplitz_hash_key_init (bigkey, n_key_copies * key_len); - - for (int i = 0; i < N_LENGTH_TESTS - 4; i++) - { - r = wrapper (k, bigdata, i); - if (length_test_hashes[i] != r) - { - err = clib_error_return (err, - "wrong length test hash for length %u, " - "calculated 0x%08x expected 0x%08x " - "xor 0x%08x", - i, r, length_test_hashes[i], - r ^ length_test_hashes[i]); - goto done; - } - } - -done: - clib_toeplitz_hash_key_free (k); - test_mem_free (bigkey); - test_mem_free (bigdata); - return err; -} - -void __test_perf_fn -perftest_fixed_12byte (test_perf_t *tp) -{ - u32 n = tp->n_ops; - u8 *data = test_mem_alloc_and_splat (12, n, (void *) &ip4_tests[0].key); - u8 *res = test_mem_alloc (4 * n); - clib_toeplitz_hash_key_t *k = clib_toeplitz_hash_key_init (0, 0); - - test_perf_event_enable (tp); - for (int i = 0; i < n; i++) - ((u32 *) res)[i] = clib_toeplitz_hash (k, data + i * 12, 12); - test_perf_event_disable (tp); - - clib_toeplitz_hash_key_free (k); - test_mem_free (data); - test_mem_free (res); -} - -void __test_perf_fn -perftest_fixed_36byte (test_perf_t *tp) -{ - u32 n = tp->n_ops; - u8 *data = test_mem_alloc_and_splat (36, n, (void *) &ip6_tests[0].key); - u8 *res = test_mem_alloc (4 * n); - clib_toeplitz_hash_key_t *k = clib_toeplitz_hash_key_init (0, 0); - - test_perf_event_enable (tp); - for (int i = 0; i < n; i++) - ((u32 *) res)[i] = clib_toeplitz_hash (k, data + i * 36, 36); - test_perf_event_disable (tp); - - clib_toeplitz_hash_key_free (k); - test_mem_free (data); - test_mem_free (res); -} - -void __test_perf_fn -perftest_variable_size (test_perf_t *tp) -{ - u32 key_len, n_keys, n = tp->n_ops; - u8 *key, *data = test_mem_alloc (n); - u32 *res = test_mem_alloc (sizeof (u32)); - clib_toeplitz_hash_key_t *k = clib_toeplitz_hash_key_init (0, 0); - - k = clib_toeplitz_hash_key_init (0, 0); - key_len = k->key_length; - n_keys = ((n + 4) / k->key_length) + 1; - key = test_mem_alloc_and_splat (n_keys, key_len, k->data); - clib_toeplitz_hash_key_free (k); - k = clib_toeplitz_hash_key_init (key, key_len * n_keys); - - test_perf_event_enable (tp); - res[0] = clib_toeplitz_hash (k, data, n); - test_perf_event_disable (tp); - - clib_toeplitz_hash_key_free (k); - test_mem_free (data); - test_mem_free (res); - test_mem_free (key); -} - -REGISTER_TEST (clib_toeplitz_hash) = { - .name = "clib_toeplitz_hash", - .fn = test_clib_toeplitz_hash, - .perf_tests = PERF_TESTS ({ .name = "fixed (per 12 byte tuple)", - .n_ops = 1024, - .fn = perftest_fixed_12byte }, - { .name = "fixed (per 36 byte tuple)", - .n_ops = 1024, - .fn = perftest_fixed_36byte }, - { .name = "variable size (per byte)", - .n_ops = 16384, - .fn = perftest_variable_size }), -}; - -static clib_error_t * -test_clib_toeplitz_hash_x4 (clib_error_t *err) -{ - u32 r[4]; - int n_key_copies, bigkey_len, bigdata_len; - u8 *bigkey, *bigdata0, *bigdata1, *bigdata2, *bigdata3; - clib_toeplitz_hash_key_t *k; - - k = clib_toeplitz_hash_key_init (0, 0); - - wrapper_x4 (k, (u8 *) &ip4_tests[0].key, (u8 *) &ip4_tests[1].key, - (u8 *) &ip4_tests[2].key, (u8 *) &ip4_tests[3].key, r, r + 1, - r + 2, r + 3, 8); - - if (ip4_tests[0].hash_2t != r[0] || ip4_tests[1].hash_2t != r[1] || - ip4_tests[2].hash_2t != r[2] || ip4_tests[3].hash_2t != r[3]) - return clib_error_return (err, - "wrong IPv4 2 tuple x4 hash " - "calculated { 0x%08x, 0x%08x, 0x%08x, 0x%08x } " - "expected { 0x%08x, 0x%08x, 0x%08x, 0x%08x }", - ip4_tests[0].hash_2t, ip4_tests[1].hash_2t, - ip4_tests[2].hash_2t, ip4_tests[3].hash_2t, r[0], - r[1], r[2], r[3]); - - wrapper_x4 (k, (u8 *) &ip4_tests[0].key, (u8 *) &ip4_tests[1].key, - (u8 *) &ip4_tests[2].key, (u8 *) &ip4_tests[3].key, r, r + 1, - r + 2, r + 3, 12); - - if (ip4_tests[0].hash_4t != r[0] || ip4_tests[1].hash_4t != r[1] || - ip4_tests[2].hash_4t != r[2] || ip4_tests[3].hash_4t != r[3]) - return clib_error_return (err, - "wrong IPv4 4 tuple x4 hash " - "calculated { 0x%08x, 0x%08x, 0x%08x, 0x%08x } " - "expected { 0x%08x, 0x%08x, 0x%08x, 0x%08x }", - ip4_tests[0].hash_4t, ip4_tests[1].hash_4t, - ip4_tests[2].hash_4t, ip4_tests[3].hash_4t, r[0], - r[1], r[2], r[3]); - - wrapper_x4 (k, (u8 *) &ip6_tests[0].key, (u8 *) &ip6_tests[1].key, - (u8 *) &ip6_tests[2].key, (u8 *) &ip6_tests[0].key, r, r + 1, - r + 2, r + 3, 32); - - if (ip6_tests[0].hash_2t != r[0] || ip6_tests[1].hash_2t != r[1] || - ip6_tests[2].hash_2t != r[2] || ip6_tests[0].hash_2t != r[3]) - return clib_error_return (err, - "wrong IPv6 2 tuple x4 hash " - "calculated { 0x%08x, 0x%08x, 0x%08x, 0x%08x } " - "expected { 0x%08x, 0x%08x, 0x%08x, 0x%08x }", - ip6_tests[0].hash_2t, ip6_tests[1].hash_2t, - ip6_tests[2].hash_2t, ip6_tests[0].hash_2t, r[0], - r[1], r[2], r[3]); - - wrapper_x4 (k, (u8 *) &ip6_tests[0].key, (u8 *) &ip6_tests[1].key, - (u8 *) &ip6_tests[2].key, (u8 *) &ip6_tests[0].key, r, r + 1, - r + 2, r + 3, 36); - - if (ip6_tests[0].hash_4t != r[0] || ip6_tests[1].hash_4t != r[1] || - ip6_tests[2].hash_4t != r[2] || ip6_tests[0].hash_4t != r[3]) - return clib_error_return (err, - "wrong IPv6 4 tuple x4 hash " - "calculated { 0x%08x, 0x%08x, 0x%08x, 0x%08x } " - "expected { 0x%08x, 0x%08x, 0x%08x, 0x%08x }", - ip6_tests[0].hash_4t, ip6_tests[1].hash_4t, - ip6_tests[2].hash_4t, ip6_tests[0].hash_4t, r[0], - r[1], r[2], r[3]); - - n_key_copies = 6; - bigkey_len = k->key_length * n_key_copies; - bigdata_len = bigkey_len - 4; - bigkey = test_mem_alloc_and_splat (k->key_length, n_key_copies, k->data); - bigdata0 = test_mem_alloc_and_fill_inc_u8 (bigdata_len, 0, 0); - bigdata1 = test_mem_alloc_and_fill_inc_u8 (bigdata_len, 0, 0); - bigdata2 = test_mem_alloc_and_fill_inc_u8 (bigdata_len, 0, 0); - bigdata3 = test_mem_alloc_and_fill_inc_u8 (bigdata_len, 0, 0); - u32 key_len = k->key_length; - - clib_toeplitz_hash_key_free (k); - k = clib_toeplitz_hash_key_init (bigkey, n_key_copies * key_len); - - for (int i = 0; i < N_LENGTH_TESTS - 4; i++) - { - wrapper_x4 (k, bigdata0, bigdata1, bigdata2, bigdata3, r, r + 1, r + 2, - r + 3, i); - if (length_test_hashes[i] != r[0] || length_test_hashes[i] != r[1] || - length_test_hashes[i] != r[2] || length_test_hashes[i] != r[3]) - { - err = clib_error_return ( - err, - "wrong length test hash x4 for length %u, " - "calculated { 0x%08x, 0x%08x, 0x%08x, 0x%08x }, expected 0x%08x", - i, r[0], r[1], r[2], r[3], length_test_hashes[i]); - goto done; - } - } - -done: - clib_toeplitz_hash_key_free (k); - test_mem_free (bigkey); - test_mem_free (bigdata0); - test_mem_free (bigdata1); - test_mem_free (bigdata2); - test_mem_free (bigdata3); - return err; -} - -void __test_perf_fn -perftest_fixed_12byte_x4 (test_perf_t *tp) -{ - u32 n = tp->n_ops / 4; - u8 *d0 = test_mem_alloc_and_splat (12, n, (void *) &ip4_tests[0].key); - u8 *d1 = test_mem_alloc_and_splat (12, n, (void *) &ip4_tests[1].key); - u8 *d2 = test_mem_alloc_and_splat (12, n, (void *) &ip4_tests[2].key); - u8 *d3 = test_mem_alloc_and_splat (12, n, (void *) &ip4_tests[3].key); - u32 *h0 = test_mem_alloc (4 * n); - u32 *h1 = test_mem_alloc (4 * n); - u32 *h2 = test_mem_alloc (4 * n); - u32 *h3 = test_mem_alloc (4 * n); - clib_toeplitz_hash_key_t *k = clib_toeplitz_hash_key_init (0, 0); - - test_perf_event_enable (tp); - for (int i = 0; i < n; i++) - clib_toeplitz_hash_x4 (k, d0 + i * 12, d1 + i * 12, d2 + i * 12, - d3 + i * 12, h0 + i, h1 + i, h2 + i, h3 + i, 12); - test_perf_event_disable (tp); - - clib_toeplitz_hash_key_free (k); - test_mem_free (d0); - test_mem_free (d1); - test_mem_free (d2); - test_mem_free (d3); - test_mem_free (h0); - test_mem_free (h1); - test_mem_free (h2); - test_mem_free (h3); -} - -void __test_perf_fn -perftest_fixed_36byte_x4 (test_perf_t *tp) -{ - u32 n = tp->n_ops / 4; - u8 *d0 = test_mem_alloc_and_splat (36, n, (void *) &ip4_tests[0].key); - u8 *d1 = test_mem_alloc_and_splat (36, n, (void *) &ip4_tests[1].key); - u8 *d2 = test_mem_alloc_and_splat (36, n, (void *) &ip4_tests[2].key); - u8 *d3 = test_mem_alloc_and_splat (36, n, (void *) &ip4_tests[3].key); - u32 *h0 = test_mem_alloc (4 * n); - u32 *h1 = test_mem_alloc (4 * n); - u32 *h2 = test_mem_alloc (4 * n); - u32 *h3 = test_mem_alloc (4 * n); - clib_toeplitz_hash_key_t *k = clib_toeplitz_hash_key_init (0, 0); - - test_perf_event_enable (tp); - for (int i = 0; i < n; i++) - clib_toeplitz_hash_x4 (k, d0 + i * 36, d1 + i * 36, d2 + i * 36, - d3 + i * 36, h0 + i, h1 + i, h2 + i, h3 + i, 36); - test_perf_event_disable (tp); - - clib_toeplitz_hash_key_free (k); - test_mem_free (d0); - test_mem_free (d1); - test_mem_free (d2); - test_mem_free (d3); - test_mem_free (h0); - test_mem_free (h1); - test_mem_free (h2); - test_mem_free (h3); -} - -void __test_perf_fn -perftest_variable_size_x4 (test_perf_t *tp) -{ - u32 key_len, n_keys, n = tp->n_ops / 4; - u8 *key; - u8 *d0 = test_mem_alloc (n); - u8 *d1 = test_mem_alloc (n); - u8 *d2 = test_mem_alloc (n); - u8 *d3 = test_mem_alloc (n); - u32 *h0 = test_mem_alloc (sizeof (u32)); - u32 *h1 = test_mem_alloc (sizeof (u32)); - u32 *h2 = test_mem_alloc (sizeof (u32)); - u32 *h3 = test_mem_alloc (sizeof (u32)); - clib_toeplitz_hash_key_t *k = clib_toeplitz_hash_key_init (0, 0); - - k = clib_toeplitz_hash_key_init (0, 0); - key_len = k->key_length; - n_keys = ((n + 4) / k->key_length) + 1; - key = test_mem_alloc_and_splat (n_keys, key_len, k->data); - clib_toeplitz_hash_key_free (k); - k = clib_toeplitz_hash_key_init (key, key_len * n_keys); - - test_perf_event_enable (tp); - clib_toeplitz_hash_x4 (k, d0, d1, d2, d3, h0, h1, h2, h3, n); - test_perf_event_disable (tp); - - clib_toeplitz_hash_key_free (k); - test_mem_free (key); - test_mem_free (d0); - test_mem_free (d1); - test_mem_free (d2); - test_mem_free (d3); - test_mem_free (h0); - test_mem_free (h1); - test_mem_free (h2); - test_mem_free (h3); -} - -REGISTER_TEST (clib_toeplitz_hash_x4) = { - .name = "clib_toeplitz_hash_x4", - .fn = test_clib_toeplitz_hash_x4, - .perf_tests = PERF_TESTS ({ .name = "fixed (per 12 byte tuple)", - .n_ops = 1024, - .fn = perftest_fixed_12byte_x4 }, - { .name = "fixed (per 36 byte tuple)", - .n_ops = 1024, - .fn = perftest_fixed_36byte_x4 }, - { .name = "variable size (per byte)", - .n_ops = 16384, - .fn = perftest_variable_size_x4 }), -}; |