From 5c2b9d9478a84598b61ce8dc0e86ff83eaef5020 Mon Sep 17 00:00:00 2001
From: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Date: Wed, 10 Jun 2015 16:25:21 +0100
Subject: [PATCH] app/test: change order of loops in hash function tests
In order to see more clearly the performance difference
between different hash functions, order of the loops
have been changed, so it iterates first through initial values,
then key sizes and then the hash functions.
Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Acked-by: Bruce Richardson <bruce.richardson@intel.com>
---
app/test/test_hash_functions.c | 16 ++++++++--------
1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/app/test/test_hash_functions.c b/app/test/test_hash_functions.c
index aff5e6dbef..5156dfc0c3 100644
--- a/app/test/test_hash_functions.c
+++ b/app/test/test_hash_functions.c
@@ -86,8 +86,8 @@ get_hash_name(rte_hash_function f)
* Test a hash function.
*/
static void
-run_hash_func_perf_test(rte_hash_function f, uint32_t init_val,
- uint32_t key_len)
+run_hash_func_perf_test(uint32_t key_len, uint32_t init_val,
+ rte_hash_function f)
{
static uint8_t key[HASHTEST_ITERATIONS][RTE_HASH_KEY_LENGTH_MAX];
uint64_t ticks, start, end;
@@ -121,12 +121,12 @@ run_hash_func_perf_tests(void)
HASHTEST_ITERATIONS);
printf("Hash Func. , Key Length (bytes), Initial value, Ticks/Op.\n");
- for (i = 0; i < RTE_DIM(hashtest_funcs); i++) {
- for (j = 0; j < RTE_DIM(hashtest_initvals); j++) {
- for (k = 0; k < RTE_DIM(hashtest_key_lens); k++) {
- run_hash_func_perf_test(hashtest_funcs[i],
- hashtest_initvals[j],
- hashtest_key_lens[k]);
+ for (i = 0; i < RTE_DIM(hashtest_initvals); i++) {
+ for (j = 0; j < RTE_DIM(hashtest_key_lens); j++) {
+ for (k = 0; k < RTE_DIM(hashtest_funcs); k++) {
+ run_hash_func_perf_test(hashtest_key_lens[j],
+ hashtest_initvals[i],
+ hashtest_funcs[k]);
}
}
}
--
2.39.5