diff options
Diffstat (limited to 'Build/source/libs/icu/icu-xetex/test/perf/utfperf/utfperf.cpp')
-rw-r--r-- | Build/source/libs/icu/icu-xetex/test/perf/utfperf/utfperf.cpp | 365 |
1 files changed, 365 insertions, 0 deletions
diff --git a/Build/source/libs/icu/icu-xetex/test/perf/utfperf/utfperf.cpp b/Build/source/libs/icu/icu-xetex/test/perf/utfperf/utfperf.cpp new file mode 100644 index 00000000000..e5e26ca49ea --- /dev/null +++ b/Build/source/libs/icu/icu-xetex/test/perf/utfperf/utfperf.cpp @@ -0,0 +1,365 @@ +/* + ********************************************************************** + * Copyright (C) 2002-2007, International Business Machines + * Corporation and others. All Rights Reserved. + ********************************************************************** + * file name: utfperf.cpp + * encoding: US-ASCII + * tab size: 8 (not used) + * indentation:4 + * + * created on: 2005Nov17 + * created by: Raymond Yang + * + * Ported from utfper.c created by Markus W. Scherer + * Performance test program for Unicode converters + */ + +#include <stdio.h> +#include <stdlib.h> +#include "unicode/uperf.h" +#include "uoptions.h" + +#define LENGTHOF(array) (int32_t)(sizeof(array)/sizeof((array)[0])) + +/* definitions and text buffers */ + +#define INPUT_CAPACITY (1024*1024) +#define INTERMEDIATE_CAPACITY 4096 +#define INTERMEDIATE_SMALL_CAPACITY 20 +#define PIVOT_CAPACITY 1024 +#define OUTPUT_CAPACITY INPUT_CAPACITY + +static char utf8[INPUT_CAPACITY]; +static UChar pivot[INTERMEDIATE_CAPACITY]; + +static UChar output[OUTPUT_CAPACITY]; +static char intermediate[OUTPUT_CAPACITY]; + +static int32_t utf8Length, encodedLength, outputLength, countInputCodePoints; + +static int32_t fromUCallbackCount; + +// Command-line options specific to utfperf. +// Options do not have abbreviations: Force readable command lines. +// (Using U+0001 for abbreviation characters.) +enum { + CHARSET, + CHUNK_LENGTH, + PIVOT_LENGTH, + UTFPERF_OPTIONS_COUNT +}; + +static UOption options[UTFPERF_OPTIONS_COUNT]={ + UOPTION_DEF("charset", '\x01', UOPT_REQUIRES_ARG), + UOPTION_DEF("chunk", '\x01', UOPT_REQUIRES_ARG), + UOPTION_DEF("pivot", '\x01', UOPT_REQUIRES_ARG) +}; + +static const char *const utfperf_usage = + "\t--charset Charset for which to test performance, e.g. windows-1251.\n" + "\t Default: UTF-8\n" + "\t--chunk Length (in bytes) of charset output chunks. [4096]\n" + "\t--pivot Length (in UChars) of the UTF-16 pivot buffer, if applicable.\n" + "\t [1024]\n"; + +// Test object. +class UtfPerformanceTest : public UPerfTest{ +public: + UtfPerformanceTest(int32_t argc, const char *argv[], UErrorCode &status) + : UPerfTest(argc, argv, options, LENGTHOF(options), utfperf_usage, status) { + if (U_SUCCESS(status)) { + charset = options[CHARSET].value; + + chunkLength = atoi(options[CHUNK_LENGTH].value); + if (chunkLength < 1 || OUTPUT_CAPACITY < chunkLength) { + fprintf(stderr, "error: chunk length must be 1..%ld\n", (long)OUTPUT_CAPACITY); + status = U_ILLEGAL_ARGUMENT_ERROR; + } + + pivotLength = atoi(options[PIVOT_LENGTH].value); + if (pivotLength < 1 || PIVOT_CAPACITY < pivotLength) { + fprintf(stderr, "error: pivot length must be 1..%ld\n", (long)PIVOT_CAPACITY); + status = U_ILLEGAL_ARGUMENT_ERROR; + } + + int32_t inputLength; + UPerfTest::getBuffer(inputLength, status); + countInputCodePoints = u_countChar32(buffer, bufferLen); + u_strToUTF8(utf8, (int32_t)sizeof(utf8), &utf8Length, buffer, bufferLen, &status); + } + } + + virtual UPerfFunction* runIndexedTest(int32_t index, UBool exec, const char* &name, char* par = NULL); + + const UChar *getBuffer() const { return buffer; } + int32_t getBufferLen() const { return bufferLen; } + + const char *charset; + int32_t chunkLength, pivotLength; +}; + +U_CDECL_BEGIN +// Custom callback for counting callback calls. +static void U_CALLCONV +fromUCallback(const void *context, + UConverterFromUnicodeArgs *fromUArgs, + const UChar *codeUnits, + int32_t length, + UChar32 codePoint, + UConverterCallbackReason reason, + UErrorCode *pErrorCode) { + if (reason <= UCNV_IRREGULAR) { + ++fromUCallbackCount; + } + UCNV_FROM_U_CALLBACK_SUBSTITUTE(context, fromUArgs, codeUnits, length, codePoint, reason, pErrorCode); +} +U_CDECL_END + +// Base class for Roundtrip, FromUnicode and FromUTF8 with common setup. +class Command : public UPerfFunction { +protected: + Command(const UtfPerformanceTest &testcase) + : testcase(testcase), + input(testcase.getBuffer()), inputLength(testcase.getBufferLen()), + errorCode(U_ZERO_ERROR) { + cnv=ucnv_open(testcase.charset, &errorCode); + if (U_FAILURE(errorCode)) { + fprintf(stderr, "error opening converter for \"%s\" - %s\n", testcase.charset, u_errorName(errorCode)); + } + ucnv_setFromUCallBack(cnv, fromUCallback, NULL, NULL, NULL, &errorCode); + } +public: + virtual ~Command(){ + if(U_SUCCESS(errorCode)) { + ucnv_close(cnv); + } + } + // virtual void call(UErrorCode* pErrorCode) { ... } + virtual long getOperationsPerIteration(){ + return countInputCodePoints; + } + + const UtfPerformanceTest &testcase; + const UChar *input; + int32_t inputLength; + UErrorCode errorCode; + UConverter *cnv; +}; + +// Test roundtrip UTF-16->encoding->UTF-16. +class Roundtrip : public Command { +protected: + Roundtrip(const UtfPerformanceTest &testcase) : Command(testcase) {} +public: + static UPerfFunction* get(const UtfPerformanceTest &testcase) { + Roundtrip * t = new Roundtrip(testcase); + if (U_SUCCESS(t->errorCode)){ + return t; + } else { + delete t; + return NULL; + } + } + virtual void call(UErrorCode* pErrorCode){ + const UChar *pIn, *pInLimit; + UChar *pOut, *pOutLimit; + char *pInter, *pInterLimit; + const char *p; + UBool flush; + + ucnv_reset(cnv); + fromUCallbackCount=0; + + pIn=input; + pInLimit=input+inputLength; + + pOut=output; + pOutLimit=output+OUTPUT_CAPACITY; + + pInterLimit=intermediate+testcase.chunkLength; + + encodedLength=outputLength=0; + flush=FALSE; + + do { + /* convert a block of [pIn..pInLimit[ to the encoding in intermediate[] */ + pInter=intermediate; + ucnv_fromUnicode(cnv, &pInter, pInterLimit, &pIn, pInLimit, NULL, TRUE, pErrorCode); + encodedLength+=(int32_t)(pInter-intermediate); + + if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) { + /* make sure that we convert once more to really flush */ + *pErrorCode=U_ZERO_ERROR; + } else if(U_FAILURE(*pErrorCode)) { + return; + } else if(pIn==pInLimit) { + flush=TRUE; + } + + /* convert the block [intermediate..pInter[ back to UTF-16 */ + p=intermediate; + ucnv_toUnicode(cnv, &pOut, pOutLimit,&p, pInter,NULL, flush,pErrorCode); + if(U_FAILURE(*pErrorCode)) { + return; + } + /* intermediate must have been consumed (p==pInter) because of the converter semantics */ + } while(!flush); + + outputLength=pOut-output; + if(inputLength!=outputLength) { + fprintf(stderr, "error: roundtrip failed, inputLength %d!=outputLength %d\n", inputLength, outputLength); + *pErrorCode=U_INTERNAL_PROGRAM_ERROR; + } + } +}; + +// Test one-way conversion UTF-16->encoding. +class FromUnicode : public Command { +protected: + FromUnicode(const UtfPerformanceTest &testcase) : Command(testcase) {} +public: + static UPerfFunction* get(const UtfPerformanceTest &testcase) { + FromUnicode * t = new FromUnicode(testcase); + if (U_SUCCESS(t->errorCode)){ + return t; + } else { + delete t; + return NULL; + } + } + virtual void call(UErrorCode* pErrorCode){ + const UChar *pIn, *pInLimit; + char *pInter, *pInterLimit; + + ucnv_resetFromUnicode(cnv); + fromUCallbackCount=0; + + pIn=input; + pInLimit=input+inputLength; + + pInterLimit=intermediate+testcase.chunkLength; + + encodedLength=0; + + for(;;) { + pInter=intermediate; + ucnv_fromUnicode(cnv, &pInter, pInterLimit, &pIn, pInLimit, NULL, TRUE, pErrorCode); + encodedLength+=(int32_t)(pInter-intermediate); + + if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) { + /* make sure that we convert once more to really flush */ + *pErrorCode=U_ZERO_ERROR; + } else if(U_FAILURE(*pErrorCode)) { + return; + } else { + break; // all done + } + } + } +}; + +// Test one-way conversion UTF-8->encoding. +class FromUTF8 : public Command { +protected: + FromUTF8(const UtfPerformanceTest &testcase) + : Command(testcase), + utf8Cnv(NULL), + input8(utf8), input8Length(utf8Length) { + utf8Cnv=ucnv_open("UTF-8", &errorCode); + } +public: + static UPerfFunction* get(const UtfPerformanceTest &testcase) { + FromUTF8 * t = new FromUTF8(testcase); + if (U_SUCCESS(t->errorCode)){ + return t; + } else { + delete t; + return NULL; + } + } + ~FromUTF8() { + ucnv_close(utf8Cnv); + } + virtual void call(UErrorCode* pErrorCode){ + const char *pIn, *pInLimit; + char *pInter, *pInterLimit; + UChar *pivotSource, *pivotTarget, *pivotLimit; + + ucnv_resetToUnicode(utf8Cnv); + ucnv_resetFromUnicode(cnv); + fromUCallbackCount=0; + + pIn=input8; + pInLimit=input8+input8Length; + + pInterLimit=intermediate+testcase.chunkLength; + + pivotSource=pivotTarget=pivot; + pivotLimit=pivot+testcase.pivotLength; + + encodedLength=0; + + for(;;) { + pInter=intermediate; + ucnv_convertEx(cnv, utf8Cnv, + &pInter, pInterLimit, + &pIn, pInLimit, + pivot, &pivotSource, &pivotTarget, pivotLimit, + FALSE, TRUE, pErrorCode); + encodedLength+=(int32_t)(pInter-intermediate); + + if(*pErrorCode==U_BUFFER_OVERFLOW_ERROR) { + /* make sure that we convert once more to really flush */ + *pErrorCode=U_ZERO_ERROR; + } else if(U_FAILURE(*pErrorCode)) { + return; + } else { + break; // all done + } + } + } +protected: + UConverter *utf8Cnv; + const char *input8; + int32_t input8Length; +}; + +UPerfFunction* UtfPerformanceTest::runIndexedTest(int32_t index, UBool exec, const char* &name, char* par) { + switch (index) { + case 0: name = "Roundtrip"; if (exec) return Roundtrip::get(*this); break; + case 1: name = "FromUnicode"; if (exec) return FromUnicode::get(*this); break; + case 2: name = "FromUTF8"; if (exec) return FromUTF8::get(*this); break; + default: name = ""; break; + } + return NULL; +} + +int main(int argc, const char *argv[]) +{ + // Default values for command-line options. + options[CHARSET].value = "UTF-8"; + options[CHUNK_LENGTH].value = "4096"; + options[PIVOT_LENGTH].value = "1024"; + + UErrorCode status = U_ZERO_ERROR; + UtfPerformanceTest test(argc, argv, status); + + if (U_FAILURE(status)){ + printf("The error is %s\n", u_errorName(status)); + test.usage(); + return status; + } + + if (test.run() == FALSE){ + fprintf(stderr, "FAILED: Tests could not be run please check the " + "arguments.\n"); + return -1; + } + + if (fromUCallbackCount > 0) { + printf("Number of fromUnicode callback calls in the last iteration: %ld\n", (long)fromUCallbackCount); + } + + return 0; +} |