diff --git a/build.bat b/build.bat
index 284ba6e0..82a27b43 100644
--- a/build.bat
+++ b/build.bat
@@ -123,6 +123,7 @@ if "%rdi_breakpad_from_pdb%"=="1"      set didbuild=1 && %compile% ..\src\rdi_br
 if "%tester%"=="1"                     set didbuild=1 && %compile% ..\src\tester\tester_main.c                               %compile_link% %out%tester.exe || exit /b 1
 if "%ryan_scratch%"=="1"               set didbuild=1 && %compile% ..\src\scratch\ryan_scratch.c                             %compile_link% %out%ryan_scratch.exe || exit /b 1
 if "%textperf%"=="1"                   set didbuild=1 && %compile% ..\src\scratch\textperf.c                                 %compile_link% %out%textperf.exe || exit /b 1
+if "%convertperf%"=="1"                set didbuild=1 && %compile% ..\src\scratch\convertperf.c                              %compile_link% %out%convertperf.exe || exit /b 1
 if "%parse_inline_sites%"=="1"         set didbuild=1 && %compile% ..\src\scratch\parse_inline_sites.c                       %compile_link% %out%parse_inline_sites.exe || exit /b 1
 if "%mule_main%"=="1"                  set didbuild=1 && del vc*.pdb mule*.pdb && %compile_release% %only_compile% ..\src\mule\mule_inline.cpp && %compile_release% %only_compile% ..\src\mule\mule_o2.cpp && %compile_debug% %EHsc% ..\src\mule\mule_main.cpp ..\src\mule\mule_c.c mule_inline.obj mule_o2.obj %compile_link% %no_aslr% %out%mule_main.exe || exit /b 1
 if "%mule_module%"=="1"                set didbuild=1 && %compile% ..\src\mule\mule_module.cpp                               %compile_link% %link_dll% %out%mule_module.dll || exit /b 1
diff --git a/src/async/async.c b/src/async/async.c
index fa2a046d..9e8cda09 100644
--- a/src/async/async.c
+++ b/src/async/async.c
@@ -5,7 +5,7 @@
 //~ rjf: Top-Level Layer Initialization
 
 internal void
-async_init(void)
+async_init(CmdLine *cmdline)
 {
   Arena *arena = arena_alloc();
   async_shared = push_array(arena, ASYNC_Shared, 1);
@@ -20,8 +20,12 @@ async_init(void)
   }
   async_shared->ring_mutex = os_mutex_alloc();
   async_shared->ring_cv = os_condition_variable_alloc();
-  async_shared->work_threads_count = Max(1, os_get_system_info()->logical_processor_count-1);
-  async_shared->work_threads   = push_array(arena, OS_Handle, async_shared->work_threads_count);
+  String8 work_thread_count_string = cmd_line_string(cmdline, str8_lit("work_threads_count"));
+  if(work_thread_count_string.size == 0 || !try_u64_from_str8_c_rules(work_thread_count_string, &async_shared->work_threads_count))
+  {
+    async_shared->work_threads_count = Max(1, os_get_system_info()->logical_processor_count-1);
+  }
+  async_shared->work_threads = push_array(arena, OS_Handle, async_shared->work_threads_count);
   for EachIndex(idx, async_shared->work_threads_count)
   {
     async_shared->work_threads[idx] = os_thread_launch(async_work_thread__entry_point, (void *)idx, 0);
diff --git a/src/async/async.h b/src/async/async.h
index 4da20144..f793f3d1 100644
--- a/src/async/async.h
+++ b/src/async/async.h
@@ -108,7 +108,7 @@ global ASYNC_Shared *async_shared = 0;
 ////////////////////////////////
 //~ rjf: Top-Level Layer Initialization
 
-internal void async_init(void);
+internal void async_init(CmdLine *cmdline);
 
 ////////////////////////////////
 //~ rjf: Top-Level Accessors
diff --git a/src/base/base_entry_point.c b/src/base/base_entry_point.c
index f7d37f4a..21bbc363 100644
--- a/src/base/base_entry_point.c
+++ b/src/base/base_entry_point.c
@@ -34,7 +34,7 @@ main_thread_base_entry_point(int arguments_count, char **arguments)
   
   //- rjf: initialize all included layers
 #if defined(ASYNC_H) && !defined(ASYNC_INIT_MANUAL)
-  async_init();
+  async_init(&cmdline);
 #endif
 #if defined(RDI_FROM_PDB_H) && !defined(P2R_INIT_MANUAL)
   p2r_init();
diff --git a/src/pdb/pdb_parse.c b/src/pdb/pdb_parse.c
index 1c2d6b78..e6c42699 100644
--- a/src/pdb/pdb_parse.c
+++ b/src/pdb/pdb_parse.c
@@ -166,7 +166,7 @@ pdb_strtbl_from_data(Arena *arena, String8 data){
     header = (PDB_StringTableHeader *)data.str;
   }
   
-  PDB_Strtbl *result = 0;
+  PDB_Strtbl *result = push_array(arena, PDB_Strtbl, 1);
   if (header != 0 && header->magic == PDB_StringTableHeader_MAGIC && header->version == 1){
     U32 strblock_size_off = sizeof(*header);
     U32 strblock_size = 0;
@@ -185,7 +185,6 @@ pdb_strtbl_from_data(Arena *arena, String8 data){
     U32 bucket_array_size = bucket_count*sizeof(PDB_StringIndex);
     
     if (bucket_array_off + bucket_array_size <= data.size){
-      result = push_array(arena, PDB_Strtbl, 1);
       result->data = data;
       result->bucket_count = bucket_count;
       result->strblock_min = strblock_off;
diff --git a/src/scratch/convertperf.c b/src/scratch/convertperf.c
new file mode 100644
index 00000000..d15901b2
--- /dev/null
+++ b/src/scratch/convertperf.c
@@ -0,0 +1,80 @@
+// Copyright (c) 2024 Epic Games Tools
+// Licensed under the MIT license (https://opensource.org/license/mit/)
+
+////////////////////////////////
+//~ rjf: Build Options
+
+#define BUILD_TITLE "convertperf"
+
+////////////////////////////////
+//~ rjf: Includes
+
+//- rjf: [lib]
+#include "third_party/rad_lzb_simple/rad_lzb_simple.h"
+#include "third_party/rad_lzb_simple/rad_lzb_simple.c"
+
+//- rjf: [h]
+#include "base/base_inc.h"
+#include "os/os_inc.h"
+#include "path/path.h"
+#include "async/async.h"
+#include "rdi_format/rdi_format_local.h"
+#include "dbgi/dbgi.h"
+
+//- rjf: [c]
+#include "base/base_inc.c"
+#include "os/os_inc.c"
+#include "path/path.c"
+#include "async/async.c"
+#include "rdi_format/rdi_format_local.c"
+#include "dbgi/dbgi.c"
+
+////////////////////////////////
+//~ rjf: Entry Points
+
+internal void
+entry_point(CmdLine *cmdline)
+{
+  Arena *arena = arena_alloc();
+  String8 list_path = str8_list_first(&cmdline->inputs);
+  String8 list_data = os_data_from_file_path(arena, list_path);
+  U8 splits[] = {'\n'};
+  String8List lines = str8_split(arena, list_data, splits, ArrayCount(splits), 0);
+  OS_HandleList processes = {0};
+  String8Node *processes_first_path_n = 0;
+  
+  U64 limit = 32;
+  U64 idx = 0;
+  for(String8Node *n = lines.first; n != 0; n = n->next)
+  {
+    String8 dll_path = n->string;
+    ProfScope("kick off %.*s", str8_varg(dll_path))
+    {
+      String8 dll_path_no_ext = str8_chop_last_dot(dll_path);
+      String8 dll_name = str8_skip_last_slash(dll_path_no_ext);
+      String8 pdb_path = push_str8f(arena, "%S.pdb", dll_path_no_ext);
+      String8 rdi_path = push_str8f(arena, "dump/%S.rdi", dll_name);
+      OS_Handle handle = os_cmd_line_launchf("raddbg --convert --work_threads_count:1 --pdb:%S --out:%S", pdb_path, rdi_path);
+      os_handle_list_push(arena, &processes, handle);
+      if(processes_first_path_n == 0)
+      {
+        processes_first_path_n = n;
+      }
+      idx += 1;
+    }
+    if(idx >= limit)
+    {
+      String8Node *line_n = processes_first_path_n;
+      for(OS_HandleNode *n = processes.first; n != 0; n = n->next, line_n = line_n->next)
+      {
+        ProfScope("join %.*s", str8_varg(line_n->string))
+        {
+          os_process_join(n->v, max_U64);
+        }
+      }
+      idx = 0;
+      MemoryZeroStruct(&processes);
+      processes_first_path_n = 0;
+    }
+  }
+}
diff --git a/src/ui/ui_core.c b/src/ui/ui_core.c
index 851de265..532ed66f 100644
--- a/src/ui/ui_core.c
+++ b/src/ui/ui_core.c
@@ -1782,7 +1782,6 @@ ui_layout_enforce_constraints__in_place_rec(UI_Box *root, Axis2 axis)
         }
       }
     }
-    
   }
   
   //- rjf: fixup upwards-relative sizes