Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 199,481
Test Sponsor: Dell Inc. SPEC License #: 6573 Test Method: Single Node
Tested By: Dell Inc. Test Location: Round Rock, TX, USA Test Date: Dec 22, 2025
Hardware Availability: May-2025 Software Availability: Jun-2025 Publication: Apr 22, 2026
System Source: Single Supplier System Designation: Server Power Provisioning: Line-powered
Benchmark Results Summary
Target Load Actual Load ssj_ops
Target Actual
Calibration 1     202,073
Calibration 2     199,888
Calibration 3     199,698
ssj_ops@calibrated=199,793
100% 99.8% 199,793 199,481
90% 89.8% 179,814 179,449
80% 80.6% 159,834 160,973
70% 69.9% 139,855 139,628
60% 59.9% 119,876 119,652
50% 50.4% 99,896 100,641
40% 40.2% 79,917 80,384
30% 30.0% 59,938 59,997
20% 19.8% 39,959 39,515
10% 10.0% 19,979 19,932
Active Idle   0 0
Graph of results
System Under Test
Set: 'sut'
Set Identifier: sut
Set Description: System Under Test
# of Identical Nodes: 1
Comment: PowerEdge R770
Hardware
Hardware Vendor: Dell Inc.
Model: PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz)
Form Factor: 2U
CPU Name: Intel Xeon 6737P 2.9 GHz
CPU Characteristics: 32 core, 2.9 GHz, 144 MB L3 Cache, Max Boost Clock up to 4 GHz
CPU Frequency (MHz): 2900
CPU(s) Enabled: 64 cores, 2 chips, 32 cores/chip
Hardware Threads: 128 (2 / core)
CPU(s) Orderable: 1,2 chip
Primary Cache: 64 KB I + 48 KB D on chip per core
Secondary Cache: 2 MB I+D on chip per core
Tertiary Cache: 144 MB I+D on chip per chip
Other Cache: None
Memory Amount (GB): 512
# and size of DIMM: 16 x 32 GB
Memory Details: 32 GB 2Rx4 PC5-6400-R running at 6400Hz Slots A1-8, B1-8 populated.
Power Supply Quantity and Rating (W): 2 x 1500
Power Supply Details: 1500W Platinum Efficiency
Disk Drive: 2 x 447.13 GB NVMe, 4 x 3576.98 GB PCIe SSD
Disk Controller: PCIe SSD Backplane, PCIe attached Boot Optimized Storage (BOSS) card
# and type of Network Interface Cards (NICs) Installed: 1 x Broadcom NetXtreme Gigabit Ethernet, 1 x Broadcom BCM57414 2x25G OCP Ethernet NIC
NICs Enabled in Firmware / OS / Connected: 4/4/1
Network Speed (Mbit): 1000
Keyboard: None
Mouse: None
Monitor: None
Optical Drives: No
Other Hardware: None
Software
Power Management: Balanced power plan in OS (see SUT notes)
Operating System (OS): Microsoft Windows Server 2022 Standard
OS Version: 21H2 (OS Build 20348.4405)
Filesystem: NTFS
JVM Vendor: Microsoft
JVM Version: Java HotSpot(TM) 64-Bit Server VM (build 17.0.14+8-LTS-191, mixed mode, sharing)
JVM Command-line Options: -server -Xmn1900m -Xms2048m -Xmx2048m -XX:ParallelGCThreads=2 -XX:+UseLargePages -XX:LargePageSizeInBytes=2m -XX:UseAVX=1 -XX:AutoBoxCacheMax=20000 -XX:+UseParallelGC -XX:+OptimizeFill -XX:+AggressiveHeap -XX:FreqInlineSize=2500 -XX:InlineSmallCode=3900 -XX:+UseBiasedLocking -XX:AllocatePrefetchDistance=256 -XX:AllocatePrefetchLines=8
JVM Affinity: start /NODE [0,1,2,3,4,5,6,7] /AFFINITY [0x3,0xC,0x30,0xC0,0x300,0xC00,0x3000,0xC000]
JVM Instances: 64
JVM Initial Heap (MB): 2048
JVM Maximum Heap (MB): 2048
JVM Address Bits: 64
Boot Firmware Version: 1.5.4
Management Firmware Version: 1.20.80.00 A00
Workload Version: SSJ 1.2.10
Director Location: Controller
Other Software: None
Boot Firmware Settings
Management Firmware Settings
Minimum Power (Performance per Watt Optimized)
System Under Test Notes
Notes
None
Performance Details
Target Load Actual Load Transaction Type Count Total Heap (MB)
Calibration 1 New Order 14,699,546 1,494
Payment 14,699,547
Order Status 1,469,954
Delivery 1,469,954
Stock Level 1,469,955
Customer Report 14,699,545
Calibration 2 New Order 14,537,836 1,494
Payment 14,537,839
Order Status 1,453,783
Delivery 1,453,784
Stock Level 1,453,785
Customer Report 14,537,835
Calibration 3 New Order 14,525,230 1,494
Payment 14,525,234
Order Status 1,452,525
Delivery 1,452,522
Stock Level 1,452,523
Customer Report 14,525,233
100% 99.8% New Order 14,508,745 1,494
Payment 14,508,748
Order Status 1,450,876
Delivery 1,450,874
Stock Level 1,450,875
Customer Report 14,508,750
90% 89.8% New Order 13,051,613 1,494
Payment 13,051,613
Order Status 1,305,161
Delivery 1,305,163
Stock Level 1,305,162
Customer Report 13,051,610
80% 80.6% New Order 11,708,028 1,494
Payment 11,708,024
Order Status 1,170,802
Delivery 1,170,803
Stock Level 1,170,803
Customer Report 11,708,026
70% 69.9% New Order 10,154,823 1,494
Payment 10,154,819
Order Status 1,015,482
Delivery 1,015,483
Stock Level 1,015,482
Customer Report 10,154,820
60% 59.9% New Order 8,702,217 1,494
Payment 8,702,215
Order Status 870,221
Delivery 870,223
Stock Level 870,221
Customer Report 8,702,216
50% 50.4% New Order 7,319,517 1,494
Payment 7,319,516
Order Status 731,951
Delivery 731,951
Stock Level 731,952
Customer Report 7,319,520
40% 40.2% New Order 5,846,178 1,494
Payment 5,846,179
Order Status 584,618
Delivery 584,618
Stock Level 584,617
Customer Report 5,846,180
30% 30.0% New Order 4,363,585 1,494
Payment 4,363,579
Order Status 436,357
Delivery 436,358
Stock Level 436,357
Customer Report 4,363,572
20% 19.8% New Order 2,874,134 1,494
Payment 2,874,133
Order Status 287,413
Delivery 287,415
Stock Level 287,414
Customer Report 2,874,133
10% 10.0% New Order 1,449,696 1,494
Payment 1,449,697
Order Status 144,969
Delivery 144,970
Stock Level 144,969
Customer Report 1,449,699
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0