Dell Inc. PowerEdge R770 (Intel Xeon 6737P, 2.9 GHz) ssj_ops@100% = 191,958
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     196,997
Calibration 2     193,194
Calibration 3     193,069
ssj_ops@calibrated=193,131
100% 99.4% 193,131 191,958
90% 89.6% 173,818 173,042
80% 79.9% 154,505 154,333
70% 69.8% 135,192 134,826
60% 60.0% 115,879 115,814
50% 50.9% 96,566 98,251
40% 40.6% 77,253 78,365
30% 29.9% 57,939 57,769
20% 20.5% 38,626 39,540
10% 9.8% 19,313 18,939
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 14,330,015 1,494
Payment 14,330,019
Order Status 1,433,001
Delivery 1,433,001
Stock Level 1,433,002
Customer Report 14,330,015
Calibration 2 New Order 14,051,890 1,494
Payment 14,051,894
Order Status 1,405,189
Delivery 1,405,191
Stock Level 1,405,190
Customer Report 14,051,887
Calibration 3 New Order 14,041,635 1,494
Payment 14,041,629
Order Status 1,404,164
Delivery 1,404,162
Stock Level 1,404,163
Customer Report 14,041,633
100% 99.4% New Order 13,961,329 1,494
Payment 13,961,331
Order Status 1,396,133
Delivery 1,396,133
Stock Level 1,396,133
Customer Report 13,961,329
90% 89.6% New Order 12,585,914 1,494
Payment 12,585,916
Order Status 1,258,591
Delivery 1,258,591
Stock Level 1,258,591
Customer Report 12,585,911
80% 79.9% New Order 11,224,307 1,494
Payment 11,224,309
Order Status 1,122,431
Delivery 1,122,430
Stock Level 1,122,431
Customer Report 11,224,313
70% 69.8% New Order 9,805,942 1,494
Payment 9,805,942
Order Status 980,595
Delivery 980,596
Stock Level 980,595
Customer Report 9,805,947
60% 60.0% New Order 8,422,897 1,494
Payment 8,422,898
Order Status 842,289
Delivery 842,289
Stock Level 842,289
Customer Report 8,422,895
50% 50.9% New Order 7,147,081 1,494
Payment 7,147,082
Order Status 714,709
Delivery 714,708
Stock Level 714,710
Customer Report 7,147,086
40% 40.6% New Order 5,699,298 1,494
Payment 5,699,305
Order Status 569,929
Delivery 569,930
Stock Level 569,930
Customer Report 5,699,303
30% 29.9% New Order 4,201,444 1,494
Payment 4,201,444
Order Status 420,143
Delivery 420,144
Stock Level 420,145
Customer Report 4,201,447
20% 20.5% New Order 2,875,867 1,494
Payment 2,875,873
Order Status 287,587
Delivery 287,587
Stock Level 287,586
Customer Report 2,875,864
10% 9.8% New Order 1,377,431 1,494
Payment 1,377,433
Order Status 137,742
Delivery 137,744
Stock Level 137,743
Customer Report 1,377,434
Active Idle New Order 0 1,494
Payment 0
Order Status 0
Delivery 0
Stock Level 0
Customer Report 0