X-Git-Url: http://info.iut-bm.univ-fcomte.fr/pub/gitweb/simgrid.git/blobdiff_plain/01190c0d14432c57889be61739456fe4e1fcaaa8..0d1793876e776f0901bc1a3df7afcccb8ac84a35:/teshsuite/smpi/macro-partial-shared-communication/macro-partial-shared-communication.c diff --git a/teshsuite/smpi/macro-partial-shared-communication/macro-partial-shared-communication.c b/teshsuite/smpi/macro-partial-shared-communication/macro-partial-shared-communication.c index cfada13f73..3498cd5036 100644 --- a/teshsuite/smpi/macro-partial-shared-communication/macro-partial-shared-communication.c +++ b/teshsuite/smpi/macro-partial-shared-communication/macro-partial-shared-communication.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2017. The SimGrid Team. All rights reserved. */ +/* Copyright (c) 2017-2019. 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. */ @@ -17,7 +17,8 @@ static void set(uint8_t *buf, size_t start, size_t stop, uint8_t value) { } // 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 int 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) { @@ -28,21 +29,12 @@ static int count_all(uint8_t *buf, size_t start, size_t stop, uint8_t value) { } // 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; - size_t size = stop-start; - if(size <= 2*page_size) // we are not sure to have a whole page that is shared - return 1; - size_t occ = count_all(buf, start, stop, value); - return occ >= size - 2*page_size; -} - int main(int argc, char *argv[]) { MPI_Init(&argc, &argv);