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https://github.com/Ed94/gencpp.git
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92 lines
3.5 KiB
C++
92 lines
3.5 KiB
C++
// Testing to make sure backend of library is operating properly.
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#define GEN_DEFINE_LIBRARY_CODE_CONSTANTS
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#define GEN_ENFORCE_STRONG_CODE_TYPES
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#define GEN_EXPOSE_BACKEND
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#define GEN_BENCHMARK
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#include "gen/gen.hpp"
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#include "gen/gen.builder.hpp"
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void check_sanity()
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{
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using namespace gen;
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gen::init();
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log_fmt("\ncheck_sanity:\n");
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// Test string caching:
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CodeType t_int_dupe = def_type( name(int) );
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if ( t_int_dupe->Name != t_int->Name )
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fatal("check_sanity: String caching failed!");
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// Purposefully use an excessive amount of memory to make so the the memory backend doesn't break.
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// This has been tested with num_iterations set to 15000000 (generates 15 million lines of code), the Global_BlockSize, along with CodePool_NumBlocks, and SizePer_StringArena
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// must be adjusted to gigabytes(2), kilobytes(512), and gigabyte(1) for good performance without crashing.
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/*
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Typical usage (megabytes(10), kilobytes(4), megabytes(1), for 650000 (the limit of 10 meg partition buckets in global arena) )
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Memory after builder:
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Num Global Arenas : 14 TotalSize: 146800640 !
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Num Code Pools : 794 TotalSize: 416284672 !
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Num String Cache Arenas : 60 TotalSize: 62914560 !
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Num String Cache : 1300007
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Memory usage to expect at 15 mil file:
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Num Global Arenas : 2 TotalSize: 4294967296 !
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Num Code Pools : 144 TotalSize: 9663676416 !
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Num String Cache Arenas : 2 TotalSize: 2147483648 !
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Num String Cache : 30000025
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*/
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constexpr
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s32 num_iterations = 325000;
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Array<CodeTypedef> typedefs = Array<CodeTypedef>::init_reserve( GlobalAllocator, num_iterations * 2 );
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s32 idx = num_iterations;
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while( --idx )
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{
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// Stress testing string allocation
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String type_name = String::fmt_buf( GlobalAllocator, "type_%ld", idx );
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String typedef_name = String::fmt_buf(GlobalAllocator, "typedef_%ld", idx );
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CodeTypedef type_as_int = def_typedef( type_name, t_int );
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CodeType type = def_type( type_name );
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CodeTypedef type_def = def_typedef( typedef_name, type );
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typedefs.append( type_as_int );
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typedefs.append( type_def );
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}
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log_fmt("\nMemory before builder:\n");
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log_fmt("Num Global Arenas : %llu TotalSize: %llu !\n", Global_AllocatorBuckets.num(), Global_AllocatorBuckets.num() * Global_BucketSize);
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log_fmt("Num Code Pools : %llu TotalSize: %llu !\n", CodePools.num(), CodePools.num() * CodePool_NumBlocks * CodePools.back().BlockSize);
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log_fmt("Num String Cache Arenas : %llu TotalSize: %llu !\n", StringArenas.num(), StringArenas.num() * SizePer_StringArena);
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log_fmt("Num String Cache : %llu\n", StringCache.Entries.num(), StringCache);
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Builder builder;
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builder.open( "sanity.gen.hpp" );
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idx = typedefs.num();
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#ifdef GEN_BENCHMARK
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u64 time_start = time_rel_ms();
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#endif
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while( --idx )
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{
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builder.print( typedefs[idx] );
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}
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builder.write();
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#ifdef GEN_BENCHMARK
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log_fmt("\n\nBuilder finished writting. Time taken: %llu ms\n", time_rel_ms() - time_start);
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#endif
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log_fmt("\nMemory after builder:\n");
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log_fmt("Num Global Arenas : %llu TotalSize: %llu !\n", Global_AllocatorBuckets.num(), Global_AllocatorBuckets.num() * Global_BucketSize);
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log_fmt("Num Code Pools : %llu TotalSize: %llu !\n", CodePools.num(), CodePools.num() * CodePool_NumBlocks * CodePools.back().BlockSize);
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log_fmt("Num String Cache Arenas : %llu TotalSize: %llu !\n", StringArenas.num(), StringArenas.num() * SizePer_StringArena);
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log_fmt("Num String Cache : %llu\n", StringCache.Entries.num(), StringCache);
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gen::deinit();
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log_fmt("\nSanity passed!\n");
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}
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