Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,590
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     195,042
Calibration 2     192,077
Calibration 3     191,460
ssj_ops@calibrated=191,768
100% 99.9% 191,768 191,590
90% 90.1% 172,592 172,719
80% 80.5% 153,415 154,436
70% 69.6% 134,238 133,544
60% 59.9% 115,061 114,940
50% 50.1% 95,884 96,161
40% 39.7% 76,707 76,137
30% 30.1% 57,531 57,806
20% 20.4% 38,354 39,151
10% 10.1% 19,177 19,299
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 14,186,885 1,494
Payment 14,186,884
Order Status 1,418,689
Delivery 1,418,690
Stock Level 1,418,688
Customer Report 14,186,884
Calibration 2 New Order 13,970,992 1,494
Payment 13,970,993
Order Status 1,397,099
Delivery 1,397,099
Stock Level 1,397,100
Customer Report 13,970,993
Calibration 3 New Order 13,925,017 1,494
Payment 13,925,017
Order Status 1,392,502
Delivery 1,392,501
Stock Level 1,392,502
Customer Report 13,925,015
100% 99.9% New Order 13,935,043 1,494
Payment 13,935,044
Order Status 1,393,504
Delivery 1,393,505
Stock Level 1,393,504
Customer Report 13,935,045
90% 90.1% New Order 12,561,401 1,494
Payment 12,561,399
Order Status 1,256,140
Delivery 1,256,140
Stock Level 1,256,140
Customer Report 12,561,401
80% 80.5% New Order 11,232,015 1,494
Payment 11,232,018
Order Status 1,123,201
Delivery 1,123,201
Stock Level 1,123,202
Customer Report 11,232,020
70% 69.6% New Order 9,712,713 1,494
Payment 9,712,720
Order Status 971,271
Delivery 971,273
Stock Level 971,271
Customer Report 9,712,709
60% 59.9% New Order 8,360,186 1,494
Payment 8,360,184
Order Status 836,018
Delivery 836,018
Stock Level 836,019
Customer Report 8,360,183
50% 50.1% New Order 6,994,052 1,494
Payment 6,994,048
Order Status 699,406
Delivery 699,407
Stock Level 699,405
Customer Report 6,994,052
40% 39.7% New Order 5,537,232 1,494
Payment 5,537,233
Order Status 553,723
Delivery 553,723
Stock Level 553,723
Customer Report 5,537,232
30% 30.1% New Order 4,204,112 1,494
Payment 4,204,119
Order Status 420,411
Delivery 420,411
Stock Level 420,412
Customer Report 4,204,110
20% 20.4% New Order 2,847,456 1,494
Payment 2,847,450
Order Status 284,744
Delivery 284,744
Stock Level 284,744
Customer Report 2,847,452
10% 10.1% New Order 1,403,620 1,494
Payment 1,403,623
Order Status 140,363
Delivery 140,362
Stock Level 140,361
Customer Report 1,403,621
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0