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Fixes to memory mangment, library is much faster now.

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This commit is contained in:
Edward R. Gonzalez
2023-07-16 18:00:07 -04:00
parent b544f24015
commit 7634aeb34c
21 changed files with 621 additions and 173 deletions
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92
test/sanity.cpp Normal file
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// Testing to make sure backend of library is operating properly.
#ifdef gen_time
#define GEN_FEATURE_PARSING
#define GEN_DEFINE_LIBRARY_CODE_CONSTANTS
#define GEN_ENFORCE_STRONG_CODE_TYPES
#define GEN_EXPOSE_BACKEND
#define GEN_BENCHMARK
#include "gen.hpp"
void check_sanity()
{
using namespace gen;
gen::init();
log_fmt("\ncheck_sanity:\n");
// Test string caching:
CodeType t_int_dupe = def_type( name(int) );
if ( t_int_dupe->Name != t_int->Name )
fatal("check_sanity: String caching failed!");
// Purposefully use an excessive amount of memory to make so the the memory backend doesn't break.
// 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
// must be adjusted to gigabytes(2), kilobytes(512), and gigabyte(1) for good performance without crashing.
/*
Typical usage (megabytes(10), kilobytes(4), megabytes(1), for 650000 (the limit of 10 meg partition buckets in global arena) )
Num Global Arenas : 2 TotalSize: 4294967296 !
Num Code Pools : 144 TotalSize: 9663676416 !
Num String Cache Arenas : 2 TotalSize: 2147483648 !
Num String Cache : 30000025
Memory usage to expect at 15 mil file:
Num Global Arenas : 2 TotalSize: 4294967296 !
Num Code Pools : 144 TotalSize: 9663676416 !
Num String Cache Arenas : 2 TotalSize: 2147483648 !
Num String Cache : 30000025
*/
constexpr
s32 num_iterations = 650000;
Array<CodeTypedef> typedefs = Array<CodeTypedef>::init_reserve( Memory::GlobalAllocator, num_iterations * 2 );
s32 idx = num_iterations;
while( --idx )
{
// Stress testing string allocation
String type_name = String::fmt_buf( Memory::GlobalAllocator, "type_%d", idx );
String typedef_name = String::fmt_buf( Memory::GlobalAllocator, "typedef_%d", idx );
CodeTypedef type_as_int = def_typedef( type_name, t_int );
CodeType type = def_type( type_name );
CodeTypedef type_def = def_typedef( typedef_name, type );
typedefs.append( type_as_int );
typedefs.append( type_def );
}
log_fmt("\nMemory before builder:\n");
log_fmt("Num Global Arenas : %llu TotalSize: %llu !\n", Memory::Global_AllocatorBuckets.num(), Memory::Global_AllocatorBuckets.num() * Memory::Global_BucketSize);
log_fmt("Num Code Pools : %llu TotalSize: %llu !\n", StaticData::CodePools.num(), StaticData::CodePools.num() * CodePool_NumBlocks * StaticData::CodePools.back().BlockSize);
log_fmt("Num String Cache Arenas : %llu TotalSize: %llu !\n", StaticData::StringArenas.num(), StaticData::StringArenas.num() * SizePer_StringArena);
log_fmt("Num String Cache : %llu\n", StaticData::StringCache.Entries.num(), StaticData::StringCache);
Builder builder;
builder.open( "sanity.gen.hpp" );
idx = num_iterations;
#ifdef GEN_BENCHMARK
u64 time_start = time_rel_ms();
#endif
while( --idx )
{
builder.print( typedefs[idx] );
}
builder.write();
#ifdef GEN_BENCHMARK
log_fmt("\n\nBuilder finished writting. Time taken: %llu ms\n", time_rel_ms() - time_start);
#endif
log_fmt("\nMemory after builder:\n");
log_fmt("Num Global Arenas : %llu TotalSize: %llu !\n", Memory::Global_AllocatorBuckets.num(), Memory::Global_AllocatorBuckets.num() * Memory::Global_BucketSize);
log_fmt("Num Code Pools : %llu TotalSize: %llu !\n", StaticData::CodePools.num(), StaticData::CodePools.num() * CodePool_NumBlocks * StaticData::CodePools.back().BlockSize);
log_fmt("Num String Cache Arenas : %llu TotalSize: %llu !\n", StaticData::StringArenas.num(), StaticData::StringArenas.num() * SizePer_StringArena);
log_fmt("Num String Cache : %llu\n", StaticData::StringCache.Entries.num(), StaticData::StringCache);
log_fmt("\nSanity passed!\n");
gen::deinit();
}
#endif