-/* Copyright (c) 2009-2015. The SimGrid Team.
- * All rights reserved. */
+/* Copyright (c) 2017-2023. The SimGrid Team. All rights reserved. */
/* This program is free software; you can redistribute it and/or modify it
* under the terms of the license (GNU LGPL) which comes with this package. */
// Set the elements between buf[start] and buf[stop-1] to (i+value)%256
static void set(uint8_t *buf, size_t start, size_t stop, uint8_t value) {
for(size_t i = start; i < stop; i++) {
- buf[i] = (i+value)%256;
+ buf[i] = (uint8_t)((i + value) % 256);
}
}
// Return the number of times that an element is equal to (i+value)%256 between buf[start] and buf[stop-1].
-static int count_all(uint8_t *buf, size_t start, size_t stop, uint8_t value) {
+static size_t count_all(const uint8_t* buf, size_t start, size_t stop, uint8_t value)
+{
size_t occ = 0;
for(size_t i = start ; i < stop ; i++) {
if(buf[i] == (i+value)%256) {
}
// Return true iff the values from buf[start] to buf[stop-1] are all equal to (i+value)%256.
-static int check_all(uint8_t *buf, size_t start, size_t stop, uint8_t value) {
+static int check_all(const uint8_t* buf, size_t start, size_t stop, uint8_t value)
+{
size_t occ = count_all(buf, start, stop, value);
return occ == stop-start;
}
// Return true iff "enough" elements are equal to (i+value)%256 between buf[start] and buf[stop-1].
-static int check_enough(uint8_t *buf, size_t start, size_t stop, uint8_t value) {
- int page_size = 0x1000;
+static int check_enough(const uint8_t* buf, size_t start, size_t stop, uint8_t value)
+{
+ const unsigned int page_size = 0x1000;
size_t size = stop-start;
if(size <= 2*page_size) // we are not sure to have a whole page that is shared
return 1;
MPI_Init(&argc, &argv);
int rank;
int size;
- size_t mem_size = 0x10000000;
+ size_t mem_size = 0x1000000;
size_t shared_blocks[] = {
- 0, 0x1234567,
- 0x1300000, 0x1300010,
- 0x3456789, 0x3457890,
- 0x4444444, 0x5555555,
- 0x5555565, 0x5600000,
- 0x8000000, 0x10000000
+ 0, 0x123456,
+ 0x130000, 0x130001,
+ 0x345678, 0x345789,
+ 0x444444, 0x555555,
+ 0x555556, 0x560000,
+ 0x800000, 0x1000000
};
int nb_blocks = (sizeof(shared_blocks)/sizeof(size_t))/2;
MPI_Comm_rank(MPI_COMM_WORLD, &rank);