mirror of
https://github.com/autc04/Retro68.git
synced 2024-10-18 06:26:39 +00:00
107 lines
2.3 KiB
C++
107 lines
2.3 KiB
C++
#include <stdlib.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <string.h>
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#include "vtv_utils.h"
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#include "vtv_rts.h"
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/* This configuration will test mostly inserting of new elements since
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the number of repeats is 1. It should also do a lot of rehashing */
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/* This test case may fail depending on the system configuration.
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Check the value of /proc/sys/vm/max_map_count and fix by doing
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Ex: sudo sh -c "echo 131060 > /proc/sys/vm/max_map_count" */
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#define NUM_MAPS 40000
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#define ELEMENTS_PER_MAP 100
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#define NUM_REPEATS 1
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#define KEY_TYPE_FIXED_SIZE 8
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void *key_buffer = malloc (17);
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typedef char * name_string;
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name_string fake_names[NUM_MAPS];
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/* This variable has to be put in rel.ro */
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void * maps[NUM_MAPS] VTV_PROTECTED_VAR;
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struct fake_vt {
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void * fake_vfp [4];
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};
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void * fake_vts [NUM_MAPS * ELEMENTS_PER_MAP];
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void
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generate_names (void)
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{
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int i;
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for (i = 0; i < NUM_MAPS; ++i)
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{
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fake_names[i] = (char *) malloc (9 * sizeof (char));
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snprintf (fake_names[i], 9, "name%d", i);
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}
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}
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static uint32_t
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vtv_string_hash(const char *in)
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{
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const char *s = in;
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uint32_t h = 0;
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for ( ; *s; ++s)
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h = 5 * h + *s;
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return h;
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}
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int main()
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{
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__VLTChangePermission(__VLTP_READ_WRITE);
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generate_names();
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for (int k = 0; k < NUM_REPEATS; k++)
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{
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int curr_fake_vt = 0;
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for (int i = 0; i < NUM_MAPS; i++)
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{
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uint32_t *value_ptr = (uint32_t *) key_buffer;
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uint32_t len1 = strlen (fake_names[i]);
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uint32_t hash_value = vtv_string_hash (fake_names[i]);
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void *temp_array[ELEMENTS_PER_MAP];
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*value_ptr = len1;
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value_ptr++;
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*value_ptr = hash_value;
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memcpy ((char *) key_buffer + KEY_TYPE_FIXED_SIZE, fake_names[i],
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len1);
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#ifdef VTV_DEBUG
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__VLTRegisterPairDebug (&maps[i], (char *) key_buffer, 128,
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&fake_vts[curr_fake_vt], "", "");
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#else
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__VLTRegisterPair (&maps[i], (char *) key_buffer, 128,
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&fake_vts[curr_fake_vt]);
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#endif
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for (int j = 0; j < ELEMENTS_PER_MAP; j++)
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{
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temp_array[j] = &fake_vts[curr_fake_vt];
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curr_fake_vt++;
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}
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#ifdef VTV_DEBUG
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__VLTRegisterSetDebug (&maps[i], (char *) key_buffer, 128, 100,
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(void **) &temp_array);
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#else
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__VLTRegisterSet (&maps[i], (char *) key_buffer, 128, 100,
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(void **) &temp_array);
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#endif
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}
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}
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__VLTChangePermission(__VLTP_READ_ONLY);
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return 0;
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}
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