The world size is 94.6mb and after exploring for a couple hours now it seems when it's chunk loading, or something, the fps drop and my CPU usage shoots to 95% for some reason. I've tried various things to remedy the problem, but it appears there's nothing that can be done on my end.

Dxdiag:
Time of this report: 1/3/2017, 19:21:58
Machine name: DESKTOP-VRB35JD
Machine Id:

{BCA6D706-8423-4A4C-B489-BC7CAF1CCC47}

Operating System: Windows 10 Pro 64-bit (10.0, Build 14393) (14393.rs1_release_inmarket.161208-2252)
Language: English (Regional Setting: English)
System Manufacturer: To be filled by O.E.M.
System Model: To be filled by O.E.M.
BIOS: BIOS Date: 03/23/15 10:32:28 Ver: 04.06.05
Processor: AMD FX(tm)-8320 Eight-Core Processor (8 CPUs), ~3.5GHz
Memory: 8192MB RAM
Available OS Memory: 8088MB RAM
Page File: 3188MB used, 6180MB available
Windows Dir: C:\WINDOWS
DirectX Version: DirectX 12
DX Setup Parameters: Not found
User DPI Setting: Using System DPI
System DPI Setting: 96 DPI (100 percent)
DWM DPI Scaling: Disabled
Miracast: Available, with HDCP
Microsoft Graphics Hybrid: Not Supported
DxDiag Version: 10.00.14393.0000 64bit Unicode

------------
DxDiag Notes
------------
Display Tab 1: No problems found.
Sound Tab 1: No problems found.
Sound Tab 2: No problems found.
Sound Tab 3: No problems found.
Sound Tab 4: No problems found.
Sound Tab 5: No problems found.
Input Tab: No problems found.

--------------------
DirectX Debug Levels
--------------------
Direct3D: 0/4 (retail)
DirectDraw: 0/4 (retail)
DirectInput: 0/5 (retail)
DirectMusic: 0/5 (retail)
DirectPlay: 0/9 (retail)
DirectSound: 0/5 (retail)
DirectShow: 0/6 (retail)

---------------
Display Devices
---------------
Card name: AMD Radeon (TM) R9 Fury Series
Manufacturer: Advanced Micro Devices, Inc.
Chip type: AMD Radeon Graphics Processor (0x7300)
DAC type: Internal DAC(400MHz)
Device Type: Full Device
Device Key: Enum\PCI\VEN_1002&DEV_7300&SUBSYS_E331174B&REV_CB
Device Status: 0180200A [DN_DRIVER_LOADED|DN_STARTED|DN_DISABLEABLE|DN_NT_ENUMERATOR|DN_NT_DRIVER]
Device Problem Code: No Problem
Driver Problem Code: Unknown
Display Memory: 8116 MB
Dedicated Memory: 4072 MB
Shared Memory: 4044 MB
Current Mode: 1920 x 1080 (32 bit) (59Hz)
Monitor Name: Generic PnP Monitor
Monitor Model: LCDTV
Monitor Id: AAA3393
Native Mode: 1920 x 1080(p) (60.000Hz)
Output Type: HDMI
Driver Name: C:\WINDOWS\System32\DriverStore\FileRepository\c0309270.inf_amd64_47c09dd18e1ee4c5\aticfx64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\c0309270.inf_amd64_47c09dd18e1ee4c5\aticfx64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\c0309270.inf_amd64_47c09dd18e1ee4c5\aticfx64.dll,C:\WINDOWS\System32\DriverStore\FileRepository\c0309270.inf_amd64_47c09dd18e1ee4c5\amdxc64.dll
Driver File Version: 21.19.0384.0000 (English)
Driver Version: 21.19.384.0
DDI Version: 12
Feature Levels: 12_0,11_1,11_0,10_1,10_0,9_3,9_2,9_1
Driver Model: WDDM 2.1
Graphics Preemption: DMA
Compute Preemption: DMA
Miracast: Not Supported
Hybrid Graphics GPU: Not Supported
Power P-states: Not Supported
Driver Attributes: Final Retail
Driver Date/Size: 12/3/2016 7:00:00 PM, 1587320 bytes
WHQL Logo'd: Yes
WHQL Date Stamp: Unknown
Device Identifier:

{D7B71EE2-3040-11CF-FB74-B1C277C2D465}

Vendor ID: 0x1002
Device ID: 0x7300
SubSys ID: 0xE331174B
Revision ID: 0x00CB
Driver Strong Name: oem4.inf:cb0ae414a513ca4f:ati2mtag_R7000DS:21.19.384.0:pci\ven_1002&dev_7300&rev_cb
Rank Of Driver: 00D12000
Video Accel: ModeMPEG2_A ModeMPEG2_C
DXVA2 Modes: DXVA2_ModeMPEG2_VLD