ollama/gpu/gpu_info_darwin.m

// go:build darwin
#include "gpu_info_darwin.h"

uint64_t getRecommendedMaxVRAM() {
  id<MTLDevice> device = MTLCreateSystemDefaultDevice();
  uint64_t result = device.recommendedMaxWorkingSetSize;
  CFRelease(device);
  return result;
}

uint64_t getPhysicalMemory() {
  return [[NSProcessInfo processInfo] physicalMemory];
}