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-/*
- * Copyright (c) 2004-2005 The Regents of The University of Michigan
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met: redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer;
- * redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution;
- * neither the name of the copyright holders nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#if defined(__APPLE__)
-#define _GLIBCPP_USE_C99 1
-#endif
-
-#include <iostream>
-#include <fstream>
-#include <string>
-
-#include "base/misc.hh"
-#include "base/statistics.hh"
-#include "base/stats/statdb.hh"
-#include "base/stats/text.hh"
-#include "base/stats/visit.hh"
-
-using namespace std;
-
-#ifndef NAN
-float __nan();
-/** Define Not a number. */
-#define NAN (__nan())
-/** Need to define __nan() */
-#define __M5_NAN
-#endif
-
-#ifdef __M5_NAN
-float
-__nan()
-{
- union {
- uint32_t ui;
- float f;
- } nan;
-
- nan.ui = 0x7fc00000;
- return nan.f;
-}
-#endif
-
-namespace Stats {
-
-Text::Text()
- : mystream(false), stream(NULL), compat(false), descriptions(false)
-{
-}
-
-Text::Text(std::ostream &stream)
- : mystream(false), stream(NULL), compat(false), descriptions(false)
-{
- open(stream);
-}
-
-Text::Text(const std::string &file)
- : mystream(false), stream(NULL), compat(false), descriptions(false)
-{
- open(file);
-}
-
-
-Text::~Text()
-{
- if (mystream) {
- assert(stream);
- delete stream;
- }
-}
-
-void
-Text::open(std::ostream &_stream)
-{
- if (stream)
- panic("stream already set!");
-
- mystream = false;
- stream = &_stream;
- assert(valid());
-}
-
-void
-Text::open(const std::string &file)
-{
- if (stream)
- panic("stream already set!");
-
- mystream = true;
- stream = new ofstream(file.c_str(), ios::trunc);
- assert(valid());
-}
-
-bool
-Text::valid() const
-{
- return stream != NULL;
-}
-
-void
-Text::output()
-{
- using namespace Database;
-
- ccprintf(*stream, "\n---------- Begin Simulation Statistics ----------\n");
- if (bins().empty() || bins().size() == 1) {
- stat_list_t::const_iterator i, end = stats().end();
- for (i = stats().begin(); i != end; ++i)
- (*i)->visit(*this);
- } else {
- ccprintf(*stream, "PRINTING BINNED STATS\n");
- bin_list_t::iterator i, end = bins().end();
- for (i = bins().begin(); i != end; ++i) {
- MainBin *bin = *i;
- bin->activate();
- ccprintf(*stream,"---%s Bin------------\n", bin->name());
- stat_list_t::const_iterator i, end = stats().end();
- for (i = stats().begin(); i != end; ++i)
- (*i)->visit(*this);
- ccprintf(*stream, "---------------------------------\n");
- }
- }
- ccprintf(*stream, "\n---------- End Simulation Statistics ----------\n");
- stream->flush();
-}
-
-bool
-Text::noOutput(const StatData &data)
-{
- if (!(data.flags & print))
- return true;
-
- if (data.prereq && data.prereq->zero())
- return true;
-
- return false;
-}
-
-string
-ValueToString(Result value, int precision, bool compat)
-{
- stringstream val;
-
- if (!isnan(value)) {
- if (precision != -1)
- val.precision(precision);
- else if (value == rint(value))
- val.precision(0);
-
- val.unsetf(ios::showpoint);
- val.setf(ios::fixed);
- val << value;
- } else {
- val << (compat ? "<err: div-0>" : "no value");
- }
-
- return val.str();
-}
-
-struct ScalarPrint
-{
- Result value;
- string name;
- string desc;
- StatFlags flags;
- bool compat;
- bool descriptions;
- int precision;
- Result pdf;
- Result cdf;
-
- void operator()(ostream &stream) const;
-};
-
-void
-ScalarPrint::operator()(ostream &stream) const
-{
- if (flags & nozero && value == 0.0 ||
- flags & nonan && isnan(value))
- return;
-
- stringstream pdfstr, cdfstr;
-
- if (!isnan(pdf))
- ccprintf(pdfstr, "%.2f%%", pdf * 100.0);
-
- if (!isnan(cdf))
- ccprintf(cdfstr, "%.2f%%", cdf * 100.0);
-
- if (compat && flags & __substat) {
- ccprintf(stream, "%32s %12s %10s %10s", name,
- ValueToString(value, precision, compat), pdfstr, cdfstr);
- } else {
- ccprintf(stream, "%-40s %12s %10s %10s", name,
- ValueToString(value, precision, compat), pdfstr, cdfstr);
- }
-
- if (descriptions) {
- if (!desc.empty())
- ccprintf(stream, " # %s", desc);
- }
- stream << endl;
-}
-
-struct VectorPrint
-{
- string name;
- string desc;
- vector<string> subnames;
- vector<string> subdescs;
- StatFlags flags;
- bool compat;
- bool descriptions;
- int precision;
- VResult vec;
- Result total;
-
- void operator()(ostream &stream) const;
-};
-
-void
-VectorPrint::operator()(std::ostream &stream) const
-{
- int _size = vec.size();
- Result _total = 0.0;
-
- if (flags & (pdf | cdf)) {
- for (int i = 0; i < _size; ++i) {
- _total += vec[i];
- }
- }
-
- string base = name + (compat ? "_" : "::");
-
- ScalarPrint print;
- print.name = name;
- print.desc = desc;
- print.precision = precision;
- print.descriptions = descriptions;
- print.flags = flags;
- print.pdf = NAN;
- print.cdf = NAN;
-
- bool havesub = !subnames.empty();
-
- if (_size == 1) {
- print.value = vec[0];
- print(stream);
- } else if (!compat) {
- for (int i = 0; i < _size; ++i) {
- if (havesub && (i >= subnames.size() || subnames[i].empty()))
- continue;
-
- print.name = base + (havesub ? subnames[i] : to_string(i));
- print.desc = subdescs.empty() ? desc : subdescs[i];
- print.value = vec[i];
-
- if (_total && (flags & pdf)) {
- print.pdf = vec[i] / _total;
- print.cdf += print.pdf;
- }
-
- print(stream);
- }
-
- if (flags & ::Stats::total) {
- print.name = base + "total";
- print.desc = desc;
- print.value = total;
- print(stream);
- }
- } else {
- if (flags & ::Stats::total) {
- print.value = total;
- print(stream);
- }
-
- Result _pdf = 0.0;
- Result _cdf = 0.0;
- if (flags & dist) {
- ccprintf(stream, "%s.start_dist\n", name);
- for (int i = 0; i < _size; ++i) {
- print.name = havesub ? subnames[i] : to_string(i);
- print.desc = subdescs.empty() ? desc : subdescs[i];
- print.flags |= __substat;
- print.value = vec[i];
-
- if (_total) {
- _pdf = vec[i] / _total;
- _cdf += _pdf;
- }
-
- if (flags & pdf)
- print.pdf = _pdf;
- if (flags & cdf)
- print.cdf = _cdf;
-
- print(stream);
- }
- ccprintf(stream, "%s.end_dist\n", name);
- } else {
- for (int i = 0; i < _size; ++i) {
- if (havesub && subnames[i].empty())
- continue;
-
- print.name = base;
- print.name += havesub ? subnames[i] : to_string(i);
- print.desc = subdescs.empty() ? desc : subdescs[i];
- print.value = vec[i];
-
- if (_total) {
- _pdf = vec[i] / _total;
- _cdf += _pdf;
- } else {
- _pdf = _cdf = NAN;
- }
-
- if (flags & pdf) {
- print.pdf = _pdf;
- print.cdf = _cdf;
- }
-
- print(stream);
- }
- }
- }
-}
-
-struct DistPrint
-{
- string name;
- string desc;
- StatFlags flags;
- bool compat;
- bool descriptions;
- int precision;
-
- Result min_val;
- Result max_val;
- Result underflow;
- Result overflow;
- VResult vec;
- Result sum;
- Result squares;
- Result samples;
-
- Counter min;
- Counter max;
- Counter bucket_size;
- int size;
- bool fancy;
-
- void operator()(ostream &stream) const;
-};
-
-void
-DistPrint::operator()(ostream &stream) const
-{
- if (fancy) {
- ScalarPrint print;
- string base = name + (compat ? "_" : "::");
-
- print.precision = precision;
- print.flags = flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.desc = desc;
- print.pdf = NAN;
- print.cdf = NAN;
-
- print.name = base + "mean";
- print.value = samples ? sum / samples : NAN;
- print(stream);
-
- print.name = base + "stdev";
- print.value = samples ? sqrt((samples * squares - sum * sum) /
- (samples * (samples - 1.0))) : NAN;
- print(stream);
-
- print.name = "**Ignore: " + base + "TOT";
- print.value = samples;
- print(stream);
- return;
- }
-
- assert(size == vec.size());
-
- Result total = 0.0;
-
- total += underflow;
- for (int i = 0; i < size; ++i)
- total += vec[i];
- total += overflow;
-
- string base = name + (compat ? "." : "::");
-
- ScalarPrint print;
- print.desc = compat ? "" : desc;
- print.flags = flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.precision = precision;
- print.pdf = NAN;
- print.cdf = NAN;
-
- if (compat) {
- ccprintf(stream, "%-42s", base + "start_dist");
- if (descriptions && !desc.empty())
- ccprintf(stream, " # %s", desc);
- stream << endl;
- }
-
- print.name = base + "samples";
- print.value = samples;
- print(stream);
-
- print.name = base + "min_value";
- print.value = min_val;
- print(stream);
-
- if (!compat || underflow > 0.0) {
- print.name = base + "underflows";
- print.value = underflow;
- if (!compat && total) {
- print.pdf = underflow / total;
- print.cdf += print.pdf;
- }
- print(stream);
- }
-
-
- if (!compat) {
- for (int i = 0; i < size; ++i) {
- stringstream namestr;
- namestr << name;
-
- Counter low = i * bucket_size + min;
- Counter high = ::min(low + bucket_size, max);
- namestr << low;
- if (low < high)
- namestr << "-" << high;
-
- print.name = namestr.str();
- print.value = vec[i];
- if (total) {
- print.pdf = vec[i] / total;
- print.cdf += print.pdf;
- }
- print(stream);
- }
-
- } else {
- Counter _min;
- Result _pdf;
- Result _cdf = 0.0;
-
- print.flags = flags | __substat;
-
- for (int i = 0; i < size; ++i) {
- if (flags & nozero && vec[i] == 0.0 ||
- flags & nonan && isnan(vec[i]))
- continue;
-
- _min = i * bucket_size + min;
- _pdf = vec[i] / total * 100.0;
- _cdf += _pdf;
-
-
- print.name = ValueToString(_min, 0, compat);
- print.value = vec[i];
- print.pdf = (flags & pdf) ? _pdf : NAN;
- print.cdf = (flags & cdf) ? _cdf : NAN;
- print(stream);
- }
-
- print.flags = flags;
- }
-
- if (!compat || overflow > 0.0) {
- print.name = base + "overflows";
- print.value = overflow;
- if (!compat && total) {
- print.pdf = overflow / total;
- print.cdf += print.pdf;
- } else {
- print.pdf = NAN;
- print.cdf = NAN;
- }
- print(stream);
- }
-
- print.pdf = NAN;
- print.cdf = NAN;
-
- if (!compat) {
- print.name = base + "total";
- print.value = total;
- print(stream);
- }
-
- print.name = base + "max_value";
- print.value = max_val;
- print(stream);
-
- if (!compat && samples != 0) {
- print.name = base + "mean";
- print.value = sum / samples;
- print(stream);
-
- print.name = base + "stdev";
- print.value = sqrt((samples * squares - sum * sum) /
- (samples * (samples - 1.0)));
- print(stream);
- }
-
- if (compat)
- ccprintf(stream, "%send_dist\n\n", base);
-}
-
-void
-Text::visit(const ScalarData &data)
-{
- if (noOutput(data))
- return;
-
- ScalarPrint print;
- print.value = data.result();
- print.name = data.name;
- print.desc = data.desc;
- print.flags = data.flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.precision = data.precision;
- print.pdf = NAN;
- print.cdf = NAN;
-
- print(*stream);
-}
-
-void
-Text::visit(const VectorData &data)
-{
- if (noOutput(data))
- return;
-
- int size = data.size();
- VectorPrint print;
-
- print.name = data.name;
- print.desc = data.desc;
- print.flags = data.flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.precision = data.precision;
- print.vec = data.result();
- print.total = data.total();
-
- if (!data.subnames.empty()) {
- for (int i = 0; i < size; ++i) {
- if (!data.subnames[i].empty()) {
- print.subnames = data.subnames;
- print.subnames.resize(size);
- for (int i = 0; i < size; ++i) {
- if (!data.subnames[i].empty() &&
- !data.subdescs[i].empty()) {
- print.subdescs = data.subdescs;
- print.subdescs.resize(size);
- break;
- }
- }
- break;
- }
- }
- }
-
- print(*stream);
-}
-
-void
-Text::visit(const Vector2dData &data)
-{
- if (noOutput(data))
- return;
-
- bool havesub = false;
- VectorPrint print;
-
- print.subnames = data.y_subnames;
- print.flags = data.flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.precision = data.precision;
-
- if (!data.subnames.empty()) {
- for (int i = 0; i < data.x; ++i)
- if (!data.subnames[i].empty())
- havesub = true;
- }
-
- VResult tot_vec(data.y);
- Result super_total = 0.0;
- for (int i = 0; i < data.x; ++i) {
- if (havesub && (i >= data.subnames.size() || data.subnames[i].empty()))
- continue;
-
- int iy = i * data.y;
- VResult yvec(data.y);
-
- Result total = 0.0;
- for (int j = 0; j < data.y; ++j) {
- yvec[j] = data.cvec[iy + j];
- tot_vec[j] += yvec[j];
- total += yvec[j];
- super_total += yvec[j];
- }
-
- print.name = data.name + "_" + (havesub ? data.subnames[i] : to_string(i));
- print.desc = data.desc;
- print.vec = yvec;
- print.total = total;
- print(*stream);
- }
-
- if ((data.flags & ::Stats::total) && (data.x > 1)) {
- print.name = data.name;
- print.desc = data.desc;
- print.vec = tot_vec;
- print.total = super_total;
- print(*stream);
- }
-}
-
-void
-Text::visit(const DistData &data)
-{
- if (noOutput(data))
- return;
-
- DistPrint print;
-
- print.name = data.name;
- print.desc = data.desc;
- print.flags = data.flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.precision = data.precision;
-
- print.min_val = data.data.min_val;
- print.max_val = data.data.max_val;
- print.underflow = data.data.underflow;
- print.overflow = data.data.overflow;
- print.vec.resize(data.data.cvec.size());
- for (int i = 0; i < print.vec.size(); ++i)
- print.vec[i] = (Result)data.data.cvec[i];
- print.sum = data.data.sum;
- print.squares = data.data.squares;
- print.samples = data.data.samples;
-
- print.min = data.data.min;
- print.max = data.data.max;
- print.bucket_size = data.data.bucket_size;
- print.size = data.data.size;
- print.fancy = data.data.fancy;
-
- print(*stream);
-}
-
-void
-Text::visit(const VectorDistData &data)
-{
- if (noOutput(data))
- return;
-
- for (int i = 0; i < data.size(); ++i) {
- DistPrint print;
-
- print.name = data.name +
- (data.subnames[i].empty() ? ("_" + to_string(i)) : data.subnames[i]);
- print.desc = data.subdescs[i].empty() ? data.desc : data.subdescs[i];
- print.flags = data.flags;
- print.compat = compat;
- print.descriptions = descriptions;
- print.precision = data.precision;
-
- print.min_val = data.data[i].min_val;
- print.max_val = data.data[i].max_val;
- print.underflow = data.data[i].underflow;
- print.overflow = data.data[i].overflow;
- print.vec.resize(data.data[i].cvec.size());
- for (int j = 0; j < print.vec.size(); ++j)
- print.vec[j] = (Result)data.data[i].cvec[j];
- print.sum = data.data[i].sum;
- print.squares = data.data[i].squares;
- print.samples = data.data[i].samples;
-
- print.min = data.data[i].min;
- print.max = data.data[i].max;
- print.bucket_size = data.data[i].bucket_size;
- print.size = data.data[i].size;
- print.fancy = data.data[i].fancy;
-
- print(*stream);
- }
-}
-
-void
-Text::visit(const FormulaData &data)
-{
- visit((const VectorData &)data);
-}
-
-/* namespace Stats */ }
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