author | Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
Tue, 29 Aug 2006 17:47:17 +0200 | |
changeset 12 | 917ba023c576 |
child 14 | 6dd7d31c6fc3 |
permissions | -rw-r--r-- |
12
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/* -*- Mode:C++; c-basic-offset:8; tab-width:8; indent-tabs-mode:t -*- */ |
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/* |
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* Copyright (c) 2006 INRIA |
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* All rights reserved. |
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* |
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* This program is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License version 2 as |
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* published by the Free Software Foundation; |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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* |
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr> |
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*/ |
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#include "yans/wall-clock-ms.h" |
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#include "yans/packet.h" |
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#include "yans/chunk-constant-data.h" |
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#include "yans/chunk-udp.h" |
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#include "yans/chunk-ipv4.h" |
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#include <iostream> |
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|
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using namespace yans; |
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|
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static void |
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bench_ptr_a (uint32_t n) |
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{ |
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ChunkConstantData data = ChunkConstantData (2000, 1); |
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ChunkUdp udp; |
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ChunkIpv4 ipv4; |
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|
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for (uint32_t i = 0; i < n; i++) { |
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Packet p; |
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p.add (&data); |
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p.add (&udp); |
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p.add (&ipv4); |
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Packet o = p; |
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o.peek (&ipv4); |
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o.remove (&ipv4); |
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o.peek (&udp); |
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o.remove (&udp); |
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o.peek (&data); |
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o.remove (&data); |
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} |
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} |
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|
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static void |
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bench_ptr_b (uint32_t n) |
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{ |
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ChunkConstantData data = ChunkConstantData (2000, 1); |
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ChunkUdp udp; |
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ChunkIpv4 ipv4; |
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|
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for (uint32_t i = 0; i < n; i++) { |
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Packet p; |
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p.add (&data); |
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p.add (&udp); |
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p.add (&ipv4); |
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} |
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} |
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|
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static void |
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ptr_c2 (Packet p) |
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{ |
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ChunkConstantData data = ChunkConstantData (2000, 1); |
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ChunkUdp udp; |
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|
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p.peek (&udp); |
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p.remove (&udp); |
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p.peek (&data); |
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p.remove (&data); |
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} |
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|
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static void |
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ptr_c1 (Packet p) |
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{ |
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ChunkIpv4 ipv4; |
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p.peek (&ipv4); |
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p.remove (&ipv4); |
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ptr_c2 (p); |
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} |
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|
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static void |
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bench_ptr_c (uint32_t n) |
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{ |
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ChunkConstantData data = ChunkConstantData (2000, 1); |
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ChunkUdp udp; |
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ChunkIpv4 ipv4; |
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|
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for (uint32_t i = 0; i < n; i++) { |
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Packet p; |
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p.add (&data); |
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p.add (&udp); |
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p.add (&ipv4); |
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ptr_c1 (p); |
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} |
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} |
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|
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|
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static void |
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run_bench (void (*bench) (uint32_t), uint32_t n, char const *name) |
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{ |
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WallClockMs time; |
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time.start (); |
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(*bench) (n); |
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unsigned long long delta_ms = time.end (); |
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double ps = n; |
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ps *= 1000; |
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ps /= delta_ms; |
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std::cout << name<<"=" << ps << " packets/s" << std::endl; |
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} |
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|
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int main (int argc, char *argv[]) |
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{ |
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uint32_t n = 0; |
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while (argc > 0) { |
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if (strncmp ("--n=", argv[0],strlen ("--n=")) == 0) { |
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char const *n_ascii = argv[0] + strlen ("--n="); |
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n = atoi (n_ascii); |
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} |
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argc--; |
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argv++; |
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} |
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|
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run_bench (&bench_ptr_a, n, "a"); |
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run_bench (&bench_ptr_b, n, "b"); |
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run_bench (&bench_ptr_c, n, "c"); |
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133 |
|
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return 0; |
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135 |
} |