/*-
* BSD LICENSE
*
- * Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
+ * Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
#include <stdio.h>
-#include <stdint.h>
-#include <string.h>
-#include <stdlib.h>
-#include <stdarg.h>
-#include <errno.h>
-#include <sys/queue.h>
-
-#include <rte_common.h>
+#include <inttypes.h>
+
#include <rte_lcore.h>
-#include <rte_malloc.h>
#include <rte_cycles.h>
+#include <rte_malloc.h>
+#include <rte_hash.h>
+#include <rte_hash_crc.h>
+#include <rte_jhash.h>
+#include <rte_fbk_hash.h>
#include <rte_random.h>
-#include <rte_memory.h>
-#include <rte_memzone.h>
-#include <rte_tailq.h>
-#include <rte_eal.h>
-#include <rte_ip.h>
#include <rte_string_fns.h>
#include "test.h"
-#include <rte_hash.h>
-#include <rte_fbk_hash.h>
-#include <rte_jhash.h>
-#include <rte_hash_crc.h>
-
-/* Types of hash table performance test that can be performed */
-enum hash_test_t {
- ADD_ON_EMPTY, /*< Add keys to empty table */
- DELETE_ON_EMPTY, /*< Attempt to delete keys from empty table */
- LOOKUP_ON_EMPTY, /*< Attempt to find keys in an empty table */
- ADD_UPDATE, /*< Add/update keys in a full table */
- DELETE, /*< Delete keys from a full table */
- LOOKUP /*< Find keys in a full table */
+#define MAX_ENTRIES (1 << 19)
+#define KEYS_TO_ADD (MAX_ENTRIES * 3 / 4) /* 75% table utilization */
+#define NUM_LOOKUPS (KEYS_TO_ADD * 5) /* Loop among keys added, several times */
+#define BUCKET_SIZE 4
+#define NUM_BUCKETS (MAX_ENTRIES / BUCKET_SIZE)
+#define MAX_KEYSIZE 64
+#define NUM_KEYSIZES 10
+#define NUM_SHUFFLES 10
+#define BURST_SIZE 16
+
+enum operations {
+ ADD = 0,
+ LOOKUP,
+ LOOKUP_MULTI,
+ DELETE,
+ NUM_OPERATIONS
};
-/* Function type for hash table operations. */
-typedef int32_t (*hash_operation)(const struct rte_hash *h, const void *key);
-
-/* Structure to hold parameters used to run a hash table performance test */
-struct tbl_perf_test_params {
- enum hash_test_t test_type;
- uint32_t num_iterations;
- uint32_t entries;
- uint32_t bucket_entries;
- uint32_t key_len;
- rte_hash_function hash_func;
- uint32_t hash_func_init_val;
+static uint32_t hashtest_key_lens[] = {
+ /* standard key sizes */
+ 4, 8, 16, 32, 48, 64,
+ /* IPv4 SRC + DST + protocol, unpadded */
+ 9,
+ /* IPv4 5-tuple, unpadded */
+ 13,
+ /* IPv6 5-tuple, unpadded */
+ 37,
+ /* IPv6 5-tuple, padded to 8-byte boundary */
+ 40
};
-#define ITERATIONS 10000
-#define LOCAL_FBK_HASH_ENTRIES_MAX (1 << 15)
+struct rte_hash *h[NUM_KEYSIZES];
-/*******************************************************************************
- * Hash function performance test configuration section. Each performance test
- * will be performed HASHTEST_ITERATIONS times.
- *
- * The five arrays below control what tests are performed. Every combination
- * from the array entries is tested.
- */
-#define HASHTEST_ITERATIONS 1000000
+/* Array that stores if a slot is full */
+uint8_t slot_taken[MAX_ENTRIES];
-static rte_hash_function hashtest_funcs[] = {rte_jhash, rte_hash_crc};
-static uint32_t hashtest_initvals[] = {0};
-static uint32_t hashtest_key_lens[] = {2, 4, 5, 6, 7, 8, 10, 11, 15, 16, 21, 31, 32, 33, 63, 64};
-/******************************************************************************/
+/* Array to store number of cycles per operation */
+uint64_t cycles[NUM_KEYSIZES][NUM_OPERATIONS][2][2];
-/*******************************************************************************
- * Hash table performance test configuration section.
- */
-struct tbl_perf_test_params tbl_perf_params[] =
-{
-/* Small table, add */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_ON_EMPTY, 1024, 1024, 1, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 1, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 1, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 1, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 64, rte_jhash, 0},
-/* Small table, update */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 64, rte_jhash, 0},
-/* Small table, lookup */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ LOOKUP, ITERATIONS, 1024, 1, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 1, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 1, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 1, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 64, rte_jhash, 0},
-/* Big table, add */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 16, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 32, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 48, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 64, rte_jhash, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 64, rte_jhash, 0},
-/* Big table, update */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 16, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 32, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 48, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 64, rte_jhash, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 64, rte_jhash, 0},
-/* Big table, lookup */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ LOOKUP, ITERATIONS, 1048576, 1, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 16, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 1, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 32, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 1, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 48, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 1, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 64, rte_jhash, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 64, rte_jhash, 0},
-/* Small table, add */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_ON_EMPTY, 1024, 1024, 1, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 1, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 1, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 1, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 2, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 4, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 8, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1024, 1024, 16, 64, rte_hash_crc, 0},
-/* Small table, update */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 1, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 2, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 4, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 8, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1024, 16, 64, rte_hash_crc, 0},
-/* Small table, lookup */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ LOOKUP, ITERATIONS, 1024, 1, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 1, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 1, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 1, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 2, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 4, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 8, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1024, 16, 64, rte_hash_crc, 0},
-/* Big table, add */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 16, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 32, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 48, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 1, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 2, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 4, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 8, 64, rte_hash_crc, 0},
-{ ADD_ON_EMPTY, 1048576, 1048576, 16, 64, rte_hash_crc, 0},
-/* Big table, update */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 16, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 32, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 48, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 1, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 2, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 4, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 8, 64, rte_hash_crc, 0},
-{ ADD_UPDATE, ITERATIONS, 1048576, 16, 64, rte_hash_crc, 0},
-/* Big table, lookup */
-/* Test type | Iterations | Entries | BucketSize | KeyLen | HashFunc | InitVal */
-{ LOOKUP, ITERATIONS, 1048576, 1, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 16, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 1, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 32, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 1, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 48, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 1, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 2, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 4, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 8, 64, rte_hash_crc, 0},
-{ LOOKUP, ITERATIONS, 1048576, 16, 64, rte_hash_crc, 0},
-};
+/* Array to store all input keys */
+uint8_t keys[KEYS_TO_ADD][MAX_KEYSIZE];
-/******************************************************************************/
+/* Array to store the precomputed hash for 'keys' */
+hash_sig_t signatures[KEYS_TO_ADD];
-/*
- * Check condition and return an error if true. Assumes that "handle" is the
- * name of the hash structure pointer to be freed.
- */
-#define RETURN_IF_ERROR(cond, str, ...) do { \
- if (cond) { \
- printf("ERROR line %d: " str "\n", __LINE__, ##__VA_ARGS__); \
- if (handle) rte_hash_free(handle); \
- return -1; \
- } \
-} while(0)
-
-#define RETURN_IF_ERROR_FBK(cond, str, ...) do { \
- if (cond) { \
- printf("ERROR line %d: " str "\n", __LINE__, ##__VA_ARGS__); \
- if (handle) rte_fbk_hash_free(handle); \
- if (keys) rte_free(keys); \
- return -1; \
- } \
-} while(0)
+/* Array to store how many busy entries have each bucket */
+uint8_t buckets[NUM_BUCKETS];
-/*
- * Find average of array of numbers.
- */
-static double
-get_avg(const uint32_t *array, uint32_t size)
+/* Array to store the positions where keys are added */
+int32_t positions[KEYS_TO_ADD];
+
+/* Parameters used for hash table in unit test functions. */
+static struct rte_hash_parameters ut_params = {
+ .entries = MAX_ENTRIES,
+ .hash_func = rte_jhash,
+ .hash_func_init_val = 0,
+};
+
+static int
+create_table(unsigned with_data, unsigned table_index)
{
- double sum = 0;
- unsigned i;
- for (i = 0; i < size; i++)
- sum += array[i];
- return sum / (double)size;
+ char name[RTE_HASH_NAMESIZE];
+
+ if (with_data)
+ /* Table will store 8-byte data */
+ sprintf(name, "test_hash%d_data", hashtest_key_lens[table_index]);
+ else
+ sprintf(name, "test_hash%d", hashtest_key_lens[table_index]);
+
+ ut_params.name = name;
+ ut_params.key_len = hashtest_key_lens[table_index];
+ ut_params.socket_id = rte_socket_id();
+ h[table_index] = rte_hash_find_existing(name);
+ if (h[table_index] != NULL)
+ /*
+ * If table was already created, free it to create it again,
+ * so we force it is empty
+ */
+ rte_hash_free(h[table_index]);
+ h[table_index] = rte_hash_create(&ut_params);
+ if (h[table_index] == NULL) {
+ printf("Error creating table\n");
+ return -1;
+ }
+ return 0;
+
}
-/*
- * To help print out name of hash functions.
- */
-static const char *get_hash_name(rte_hash_function f)
+/* Shuffle the keys that have been added, so lookups will be totally random */
+static void
+shuffle_input_keys(unsigned table_index)
{
- if (f == rte_jhash)
- return "jhash";
+ unsigned i;
+ uint32_t swap_idx;
+ uint8_t temp_key[MAX_KEYSIZE];
+ hash_sig_t temp_signature;
+ int32_t temp_position;
- if (f == rte_hash_crc)
- return "rte_hash_crc";
+ for (i = KEYS_TO_ADD - 1; i > 0; i--) {
+ swap_idx = rte_rand() % i;
- return "UnknownHash";
+ memcpy(temp_key, keys[i], hashtest_key_lens[table_index]);
+ temp_signature = signatures[i];
+ temp_position = positions[i];
+
+ memcpy(keys[i], keys[swap_idx], hashtest_key_lens[table_index]);
+ signatures[i] = signatures[swap_idx];
+ positions[i] = positions[swap_idx];
+
+ memcpy(keys[swap_idx], temp_key, hashtest_key_lens[table_index]);
+ signatures[swap_idx] = temp_signature;
+ positions[swap_idx] = temp_position;
+ }
}
/*
- * Do a single performance test, of one type of operation.
- *
- * @param h
- * hash table to run test on
- * @param func
- * function to call (add, delete or lookup function)
- * @param avg_occupancy
- * The average number of entries in each bucket of the hash table
- * @param invalid_pos_count
- * The amount of errors (e.g. due to a full bucket).
- * @return
- * The average number of ticks per hash function call. A negative number
- * signifies failure.
+ * Looks for random keys which
+ * ALL can fit in hash table (no errors)
*/
-static double
-run_single_tbl_perf_test(const struct rte_hash *h, hash_operation func,
- const struct tbl_perf_test_params *params, double *avg_occupancy,
- uint32_t *invalid_pos_count)
+static int
+get_input_keys(unsigned with_pushes, unsigned table_index)
{
- uint64_t begin, end, ticks = 0;
- uint8_t *key = NULL;
- uint32_t *bucket_occupancies = NULL;
- uint32_t num_buckets, i, j;
- int32_t pos;
-
- /* Initialise */
- num_buckets = params->entries / params->bucket_entries;
- key = rte_zmalloc("hash key",
- params->key_len * sizeof(uint8_t), 16);
- if (key == NULL)
- return -1;
-
- bucket_occupancies = rte_calloc("bucket occupancies",
- num_buckets, sizeof(uint32_t), 16);
- if (bucket_occupancies == NULL) {
- rte_free(key);
- return -1;
- }
+ unsigned i, j;
+ unsigned bucket_idx, incr, success = 1;
+ uint8_t k = 0;
+ int32_t ret;
+ const uint32_t bucket_bitmask = NUM_BUCKETS - 1;
- ticks = 0;
- *invalid_pos_count = 0;
+ /* Reset all arrays */
+ for (i = 0; i < MAX_ENTRIES; i++)
+ slot_taken[i] = 0;
- for (i = 0; i < params->num_iterations; i++) {
- /* Prepare inputs for the current iteration */
- for (j = 0; j < params->key_len; j++)
- key[j] = (uint8_t) rte_rand();
+ for (i = 0; i < NUM_BUCKETS; i++)
+ buckets[i] = 0;
- /* Perform operation, and measure time it takes */
- begin = rte_rdtsc();
- pos = func(h, key);
- end = rte_rdtsc();
- ticks += end - begin;
+ for (j = 0; j < hashtest_key_lens[table_index]; j++)
+ keys[0][j] = 0;
- /* Other work per iteration */
- if (pos < 0)
- *invalid_pos_count += 1;
- else
- bucket_occupancies[pos / params->bucket_entries]++;
+ /*
+ * Add only entries that are not duplicated and that fits in the table
+ * (cannot store more than BUCKET_SIZE entries in a bucket).
+ * Regardless a key has been added correctly or not (success),
+ * the next one to try will be increased by 1.
+ */
+ for (i = 0; i < KEYS_TO_ADD;) {
+ incr = 0;
+ if (i != 0) {
+ keys[i][0] = ++k;
+ /* Overflow, need to increment the next byte */
+ if (keys[i][0] == 0)
+ incr = 1;
+ for (j = 1; j < hashtest_key_lens[table_index]; j++) {
+ /* Do not increase next byte */
+ if (incr == 0)
+ if (success == 1)
+ keys[i][j] = keys[i - 1][j];
+ else
+ keys[i][j] = keys[i][j];
+ /* Increase next byte by one */
+ else {
+ if (success == 1)
+ keys[i][j] = keys[i-1][j] + 1;
+ else
+ keys[i][j] = keys[i][j] + 1;
+ if (keys[i][j] == 0)
+ incr = 1;
+ else
+ incr = 0;
+ }
+ }
+ }
+ success = 0;
+ signatures[i] = rte_hash_hash(h[table_index], keys[i]);
+ bucket_idx = signatures[i] & bucket_bitmask;
+ /*
+ * If we are not inserting keys in secondary location,
+ * when bucket is full, do not try to insert the key
+ */
+ if (with_pushes == 0)
+ if (buckets[bucket_idx] == BUCKET_SIZE)
+ continue;
+
+ /* If key can be added, leave in successful key arrays "keys" */
+ ret = rte_hash_add_key_with_hash(h[table_index], keys[i],
+ signatures[i]);
+ if (ret >= 0) {
+ /* If key is already added, ignore the entry and do not store */
+ if (slot_taken[ret])
+ continue;
+ else {
+ /* Store the returned position and mark slot as taken */
+ slot_taken[ret] = 1;
+ positions[i] = ret;
+ buckets[bucket_idx]++;
+ success = 1;
+ i++;
+ }
+ }
}
- *avg_occupancy = get_avg(bucket_occupancies, num_buckets);
- rte_free(bucket_occupancies);
- rte_free(key);
+ /* Reset the table, so we can measure the time to add all the entries */
+ rte_hash_free(h[table_index]);
+ h[table_index] = rte_hash_create(&ut_params);
- return (double)ticks / params->num_iterations;
+ return 0;
}
-/*
- * To help print out what tests are being done.
- */
-static const char *
-get_tbl_perf_test_desc(enum hash_test_t type)
+static int
+timed_adds(unsigned with_hash, unsigned with_data, unsigned table_index)
{
- switch (type){
- case ADD_ON_EMPTY: return "Add on Empty";
- case DELETE_ON_EMPTY: return "Delete on Empty";
- case LOOKUP_ON_EMPTY: return "Lookup on Empty";
- case ADD_UPDATE: return "Add Update";
- case DELETE: return "Delete";
- case LOOKUP: return "Lookup";
- default: return "UNKNOWN";
+ unsigned i;
+ const uint64_t start_tsc = rte_rdtsc();
+ void *data;
+ int32_t ret;
+
+ for (i = 0; i < KEYS_TO_ADD; i++) {
+ data = (void *) ((uintptr_t) signatures[i]);
+ if (with_hash && with_data) {
+ ret = rte_hash_add_key_with_hash_data(h[table_index],
+ (const void *) keys[i],
+ signatures[i], data);
+ if (ret < 0) {
+ printf("Failed to add key number %u\n", ret);
+ return -1;
+ }
+ } else if (with_hash && !with_data) {
+ ret = rte_hash_add_key_with_hash(h[table_index],
+ (const void *) keys[i],
+ signatures[i]);
+ if (ret >= 0)
+ positions[i] = ret;
+ else {
+ printf("Failed to add key number %u\n", ret);
+ return -1;
+ }
+ } else if (!with_hash && with_data) {
+ ret = rte_hash_add_key_data(h[table_index],
+ (const void *) keys[i],
+ data);
+ if (ret < 0) {
+ printf("Failed to add key number %u\n", ret);
+ return -1;
+ }
+ } else {
+ ret = rte_hash_add_key(h[table_index], keys[i]);
+ if (ret >= 0)
+ positions[i] = ret;
+ else {
+ printf("Failed to add key number %u\n", ret);
+ return -1;
+ }
+ }
}
+
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[table_index][ADD][with_hash][with_data] = time_taken/KEYS_TO_ADD;
+
+ return 0;
}
-/*
- * Run a hash table performance test based on params.
- */
static int
-run_tbl_perf_test(struct tbl_perf_test_params *params)
+timed_lookups(unsigned with_hash, unsigned with_data, unsigned table_index)
{
- static unsigned calledCount = 5;
- struct rte_hash_parameters hash_params = {
- .entries = params->entries,
- .bucket_entries = params->bucket_entries,
- .key_len = params->key_len,
- .hash_func = params->hash_func,
- .hash_func_init_val = params->hash_func_init_val,
- .socket_id = rte_socket_id(),
- };
- struct rte_hash *handle;
- double avg_occupancy = 0, ticks = 0;
- uint32_t num_iterations, invalid_pos;
- char name[RTE_HASH_NAMESIZE];
- char hashname[RTE_HASH_NAMESIZE];
-
- snprintf(name, 32, "test%u", calledCount++);
- hash_params.name = name;
-
- handle = rte_hash_create(&hash_params);
- RETURN_IF_ERROR(handle == NULL, "hash creation failed");
-
- switch (params->test_type){
- case ADD_ON_EMPTY:
- ticks = run_single_tbl_perf_test(handle, rte_hash_add_key,
- params, &avg_occupancy, &invalid_pos);
- break;
- case DELETE_ON_EMPTY:
- ticks = run_single_tbl_perf_test(handle, rte_hash_del_key,
- params, &avg_occupancy, &invalid_pos);
- break;
- case LOOKUP_ON_EMPTY:
- ticks = run_single_tbl_perf_test(handle, rte_hash_lookup,
- params, &avg_occupancy, &invalid_pos);
- break;
- case ADD_UPDATE:
- num_iterations = params->num_iterations;
- params->num_iterations = params->entries;
- run_single_tbl_perf_test(handle, rte_hash_add_key, params,
- &avg_occupancy, &invalid_pos);
- params->num_iterations = num_iterations;
- ticks = run_single_tbl_perf_test(handle, rte_hash_add_key,
- params, &avg_occupancy, &invalid_pos);
- break;
- case DELETE:
- num_iterations = params->num_iterations;
- params->num_iterations = params->entries;
- run_single_tbl_perf_test(handle, rte_hash_add_key, params,
- &avg_occupancy, &invalid_pos);
-
- params->num_iterations = num_iterations;
- ticks = run_single_tbl_perf_test(handle, rte_hash_del_key,
- params, &avg_occupancy, &invalid_pos);
- break;
- case LOOKUP:
- num_iterations = params->num_iterations;
- params->num_iterations = params->entries;
- run_single_tbl_perf_test(handle, rte_hash_add_key, params,
- &avg_occupancy, &invalid_pos);
-
- params->num_iterations = num_iterations;
- ticks = run_single_tbl_perf_test(handle, rte_hash_lookup,
- params, &avg_occupancy, &invalid_pos);
- break;
- default: return -1;
+ unsigned i, j;
+ const uint64_t start_tsc = rte_rdtsc();
+ void *ret_data;
+ void *expected_data;
+ int32_t ret;
+
+ for (i = 0; i < NUM_LOOKUPS/KEYS_TO_ADD; i++) {
+ for (j = 0; j < KEYS_TO_ADD; j++) {
+ if (with_hash && with_data) {
+ ret = rte_hash_lookup_with_hash_data(h[table_index],
+ (const void *) keys[j],
+ signatures[j], &ret_data);
+ if (ret < 0) {
+ printf("Key number %u was not found\n", j);
+ return -1;
+ }
+ expected_data = (void *) ((uintptr_t) signatures[j]);
+ if (ret_data != expected_data) {
+ printf("Data returned for key number %u is %p,"
+ " but should be %p\n", j, ret_data,
+ expected_data);
+ return -1;
+ }
+ } else if (with_hash && !with_data) {
+ ret = rte_hash_lookup_with_hash(h[table_index],
+ (const void *) keys[j],
+ signatures[j]);
+ if (ret < 0 || ret != positions[j]) {
+ printf("Key looked up in %d, should be in %d\n",
+ ret, positions[j]);
+ return -1;
+ }
+ } else if (!with_hash && with_data) {
+ ret = rte_hash_lookup_data(h[table_index],
+ (const void *) keys[j], &ret_data);
+ if (ret < 0) {
+ printf("Key number %u was not found\n", j);
+ return -1;
+ }
+ expected_data = (void *) ((uintptr_t) signatures[j]);
+ if (ret_data != expected_data) {
+ printf("Data returned for key number %u is %p,"
+ " but should be %p\n", j, ret_data,
+ expected_data);
+ return -1;
+ }
+ } else {
+ ret = rte_hash_lookup(h[table_index], keys[j]);
+ if (ret < 0 || ret != positions[j]) {
+ printf("Key looked up in %d, should be in %d\n",
+ ret, positions[j]);
+ return -1;
+ }
+ }
+ }
}
- snprintf(hashname, RTE_HASH_NAMESIZE, "%s", get_hash_name(params->hash_func));
-
- printf("%-12s, %-15s, %-16u, %-7u, %-18u, %-8u, %-19.2f, %.2f\n",
- hashname,
- get_tbl_perf_test_desc(params->test_type),
- (unsigned) params->key_len,
- (unsigned) params->entries,
- (unsigned) params->bucket_entries,
- (unsigned) invalid_pos,
- avg_occupancy,
- ticks
- );
-
- /* Free */
- rte_hash_free(handle);
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
+
+ cycles[table_index][LOOKUP][with_hash][with_data] = time_taken/NUM_LOOKUPS;
+
return 0;
}
-/*
- * Run all hash table performance tests.
- */
-static int run_all_tbl_perf_tests(void)
+static int
+timed_lookups_multi(unsigned with_data, unsigned table_index)
{
- unsigned i;
+ unsigned i, j, k;
+ int32_t positions_burst[BURST_SIZE];
+ const void *keys_burst[BURST_SIZE];
+ void *expected_data[BURST_SIZE];
+ void *ret_data[BURST_SIZE];
+ uint64_t hit_mask;
+ int ret;
+
+ const uint64_t start_tsc = rte_rdtsc();
+
+ for (i = 0; i < NUM_LOOKUPS/KEYS_TO_ADD; i++) {
+ for (j = 0; j < KEYS_TO_ADD/BURST_SIZE; j++) {
+ for (k = 0; k < BURST_SIZE; k++)
+ keys_burst[k] = keys[j * BURST_SIZE + k];
+ if (with_data) {
+ ret = rte_hash_lookup_bulk_data(h[table_index],
+ (const void **) keys_burst,
+ BURST_SIZE,
+ &hit_mask,
+ ret_data);
+ if (ret != BURST_SIZE) {
+ printf("Expect to find %u keys,"
+ " but found %d\n", BURST_SIZE, ret);
+ return -1;
+ }
+ for (k = 0; k < BURST_SIZE; k++) {
+ if ((hit_mask & (1ULL << k)) == 0) {
+ printf("Key number %u not found\n",
+ j * BURST_SIZE + k);
+ return -1;
+ }
+ expected_data[k] = (void *) ((uintptr_t) signatures[j * BURST_SIZE + k]);
+ if (ret_data[k] != expected_data[k]) {
+ printf("Data returned for key number %u is %p,"
+ " but should be %p\n", j * BURST_SIZE + k,
+ ret_data[k], expected_data[k]);
+ return -1;
+ }
+ }
+ } else {
+ rte_hash_lookup_bulk(h[table_index],
+ (const void **) keys_burst,
+ BURST_SIZE,
+ positions_burst);
+ for (k = 0; k < BURST_SIZE; k++) {
+ if (positions_burst[k] != positions[j * BURST_SIZE + k]) {
+ printf("Key looked up in %d, should be in %d\n",
+ positions_burst[k],
+ positions[j * BURST_SIZE + k]);
+ return -1;
+ }
+ }
+ }
+ }
+ }
- printf(" *** Hash table performance test results ***\n");
- printf("Hash Func. , Operation , Key size (bytes), Entries, "
- "Entries per bucket, Errors , Avg. bucket entries, Ticks/Op.\n");
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
- /* Loop through every combination of test parameters */
- for (i = 0;
- i < sizeof(tbl_perf_params) / sizeof(struct tbl_perf_test_params);
- i++) {
+ cycles[table_index][LOOKUP_MULTI][0][with_data] = time_taken/NUM_LOOKUPS;
- /* Perform test */
- if (run_tbl_perf_test(&tbl_perf_params[i]) < 0)
- return -1;
- }
return 0;
}
-/*
- * Test a hash function.
- */
-static void run_hash_func_test(rte_hash_function f, uint32_t init_val,
- uint32_t key_len)
+static int
+timed_deletes(unsigned with_hash, unsigned with_data, unsigned table_index)
{
- static uint8_t key[RTE_HASH_KEY_LENGTH_MAX];
- uint64_t ticks = 0, start, end;
- unsigned i, j;
+ unsigned i;
+ const uint64_t start_tsc = rte_rdtsc();
+ int32_t ret;
+
+ for (i = 0; i < KEYS_TO_ADD; i++) {
+ /* There are no delete functions with data, so just call two functions */
+ if (with_hash)
+ ret = rte_hash_del_key_with_hash(h[table_index],
+ (const void *) keys[i],
+ signatures[i]);
+ else
+ ret = rte_hash_del_key(h[table_index],
+ (const void *) keys[i]);
+ if (ret >= 0)
+ positions[i] = ret;
+ else {
+ printf("Failed to add key number %u\n", ret);
+ return -1;
+ }
+ }
- for (i = 0; i < HASHTEST_ITERATIONS; i++) {
+ const uint64_t end_tsc = rte_rdtsc();
+ const uint64_t time_taken = end_tsc - start_tsc;
- for (j = 0; j < key_len; j++)
- key[j] = (uint8_t) rte_rand();
+ cycles[table_index][DELETE][with_hash][with_data] = time_taken/KEYS_TO_ADD;
- start = rte_rdtsc();
- f(key, key_len, init_val);
- end = rte_rdtsc();
- ticks += end - start;
- }
+ return 0;
+}
- printf("%-12s, %-18u, %-13u, %.02f\n", get_hash_name(f), (unsigned) key_len,
- (unsigned) init_val, (double)ticks / HASHTEST_ITERATIONS);
+static void
+free_table(unsigned table_index)
+{
+ rte_hash_free(h[table_index]);
}
-/*
- * Test all hash functions.
- */
-static void run_hash_func_tests(void)
+static void
+reset_table(unsigned table_index)
{
- unsigned i, j, k;
+ rte_hash_reset(h[table_index]);
+}
+
+static int
+run_all_tbl_perf_tests(unsigned with_pushes)
+{
+ unsigned i, j, with_data, with_hash;
+
+ printf("Measuring performance, please wait");
+ fflush(stdout);
+
+ for (with_data = 0; with_data <= 1; with_data++) {
+ for (i = 0; i < NUM_KEYSIZES; i++) {
+ if (create_table(with_data, i) < 0)
+ return -1;
+
+ if (get_input_keys(with_pushes, i) < 0)
+ return -1;
+ for (with_hash = 0; with_hash <= 1; with_hash++) {
+ if (timed_adds(with_hash, with_data, i) < 0)
+ return -1;
+
+ for (j = 0; j < NUM_SHUFFLES; j++)
+ shuffle_input_keys(i);
+
+ if (timed_lookups(with_hash, with_data, i) < 0)
+ return -1;
- printf("\n\n *** Hash function performance test results ***\n");
- printf(" Number of iterations for each test = %d\n",
- HASHTEST_ITERATIONS);
- printf("Hash Func. , Key Length (bytes), Initial value, Ticks/Op.\n");
-
- for (i = 0;
- i < sizeof(hashtest_funcs) / sizeof(rte_hash_function);
- i++) {
- for (j = 0;
- j < sizeof(hashtest_initvals) / sizeof(uint32_t);
- j++) {
- for (k = 0;
- k < sizeof(hashtest_key_lens) / sizeof(uint32_t);
- k++) {
- run_hash_func_test(hashtest_funcs[i],
- hashtest_initvals[j],
- hashtest_key_lens[k]);
+ if (timed_lookups_multi(with_data, i) < 0)
+ return -1;
+
+ if (timed_deletes(with_hash, with_data, i) < 0)
+ return -1;
+
+ /* Print a dot to show progress on operations */
+ printf(".");
+ fflush(stdout);
+
+ reset_table(i);
+ }
+ free_table(i);
+ }
+ }
+
+ printf("\nResults (in CPU cycles/operation)\n");
+ printf("-----------------------------------\n");
+ for (with_data = 0; with_data <= 1; with_data++) {
+ if (with_data)
+ printf("\n Operations with 8-byte data\n");
+ else
+ printf("\n Operations without data\n");
+ for (with_hash = 0; with_hash <= 1; with_hash++) {
+ if (with_hash)
+ printf("\nWith pre-computed hash values\n");
+ else
+ printf("\nWithout pre-computed hash values\n");
+
+ printf("\n%-18s%-18s%-18s%-18s%-18s\n",
+ "Keysize", "Add", "Lookup", "Lookup_bulk", "Delete");
+ for (i = 0; i < NUM_KEYSIZES; i++) {
+ printf("%-18d", hashtest_key_lens[i]);
+ for (j = 0; j < NUM_OPERATIONS; j++)
+ printf("%-18"PRIu64, cycles[i][j][with_hash][with_data]);
+ printf("\n");
}
}
}
+ return 0;
}
/* Control operation of performance testing of fbk hash. */
uint64_t lookup_time = 0;
unsigned added = 0;
unsigned value = 0;
+ uint32_t key;
+ uint16_t val;
unsigned i, j;
handle = rte_fbk_hash_create(¶ms);
- RETURN_IF_ERROR_FBK(handle == NULL, "fbk hash creation failed");
+ if (handle == NULL) {
+ printf("Error creating table\n");
+ return -1;
+ }
keys = rte_zmalloc(NULL, ENTRIES * sizeof(*keys), 0);
- RETURN_IF_ERROR_FBK(keys == NULL,
- "fbk hash: memory allocation for key store failed");
+ if (keys == NULL) {
+ printf("fbk hash: memory allocation for key store failed\n");
+ return -1;
+ }
/* Generate random keys and values. */
for (i = 0; i < ENTRIES; i++) {
- uint32_t key = (uint32_t)rte_rand();
+ key = (uint32_t)rte_rand();
key = ((uint64_t)key << 32) | (uint64_t)rte_rand();
- uint16_t val = (uint16_t)rte_rand();
+ val = (uint16_t)rte_rand();
if (rte_fbk_hash_add_key(handle, key, val) == 0) {
keys[added] = key;
added++;
}
- if (added > (LOAD_FACTOR * ENTRIES)) {
+ if (added > (LOAD_FACTOR * ENTRIES))
break;
- }
}
for (i = 0; i < TEST_ITERATIONS; i++) {
uint64_t end;
/* Generate random indexes into keys[] array. */
- for (j = 0; j < TEST_SIZE; j++) {
+ for (j = 0; j < TEST_SIZE; j++)
indexes[j] = rte_rand() % added;
- }
begin = rte_rdtsc();
/* Do lookups */
- for (j = 0; j < TEST_SIZE; j++) {
+ for (j = 0; j < TEST_SIZE; j++)
value += rte_fbk_hash_lookup(handle, keys[indexes[j]]);
- }
+
end = rte_rdtsc();
lookup_time += (double)(end - begin);
}
return 0;
}
-/*
- * Do all unit and performance tests.
- */
static int
test_hash_perf(void)
{
- if (run_all_tbl_perf_tests() < 0)
- return -1;
- run_hash_func_tests();
+ unsigned with_pushes;
+ for (with_pushes = 0; with_pushes <= 1; with_pushes++) {
+ if (with_pushes == 0)
+ printf("\nALL ELEMENTS IN PRIMARY LOCATION\n");
+ else
+ printf("\nELEMENTS IN PRIMARY OR SECONDARY LOCATION\n");
+ if (run_all_tbl_perf_tests(with_pushes) < 0)
+ return -1;
+ }
if (fbk_hash_perf_test() < 0)
return -1;
+
return 0;
}
-static struct test_command hash_perf_cmd = {
- .command = "hash_perf_autotest",
- .callback = test_hash_perf,
-};
-REGISTER_TEST_COMMAND(hash_perf_cmd);
+REGISTER_TEST_COMMAND(hash_perf_autotest, test_hash_perf);
git.droids-corp.org / dpdk.git / blobdiff