Use only 128 threads for -m 12500, user can override using -T

src/modules/module_12500.c

@@ -87,6 +87,15 @@ u32 module_kernel_loops_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_
   return kernel_loops_max;
 }
 
+u32 module_kernel_threads_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
+{
+  // -T 128 works slightly faster but it's free for the user to change
+
+  const u32 kernel_threads_max = (user_options->kernel_threads_chgd == true) ? user_options->kernel_threads : 128;
+
+  return kernel_threads_max;
+}
+
 u32 module_pw_max (MAYBE_UNUSED const hashconfig_t *hashconfig, MAYBE_UNUSED const user_options_t *user_options, MAYBE_UNUSED const user_options_extra_t *user_options_extra)
 {
   const bool optimized_kernel = (hashconfig->opti_type & OPTI_TYPE_OPTIMIZED_KERNEL);
@@ -246,7 +255,7 @@ void module_init (module_ctx_t *module_ctx)
   module_ctx->module_kernel_accel_min         = MODULE_DEFAULT;
   module_ctx->module_kernel_loops_max         = module_kernel_loops_max;
   module_ctx->module_kernel_loops_min         = module_kernel_loops_min;
-  module_ctx->module_kernel_threads_max       = MODULE_DEFAULT;
+  module_ctx->module_kernel_threads_max       = module_kernel_threads_max;
   module_ctx->module_kernel_threads_min       = MODULE_DEFAULT;
   module_ctx->module_kern_type                = module_kern_type;
   module_ctx->module_kern_type_dynamic        = MODULE_DEFAULT;